[PATCH] extcon: max77843: Clear IRQ bits state before request IRQ

[Jaewon Kim]

IRQ signal before driver probe is needless because driver sends
current state after platform booting done.
So, this patch clears MUIC IRQ bits before request IRQ.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
---
 drivers/extcon/extcon-max77843.c |9 +
 1 file changed, 9 insertions(+)

diff --git a/drivers/extcon/extcon-max77843.c b/drivers/extcon/extcon-max77843.c
index d78a64d..11e09d1 100644
--- a/drivers/extcon/extcon-max77843.c
+++ b/drivers/extcon/extcon-max77843.c
@@ -781,6 +781,15 @@ static int max77843_muic_probe(struct platform_device 
*pdev)
/* Support virtual irq domain for max77843 MUIC device */
INIT_WORK(info-irq_work, max77843_muic_irq_work);
 
+   /* Clear IRQ bits before request IRQs */
+   ret = regmap_bulk_read(max77843-regmap_muic,
+   MAX77843_MUIC_REG_INT1, info-status,
+   MAX77843_MUIC_IRQ_NUM);
+   if (ret) {
+   dev_err(pdev-dev, Failed to Clear IRQ bits\n);
+   goto err_muic_irq;
+   }
+
for (i = 0; i  ARRAY_SIZE(max77843_muic_irqs); i++) {
struct max77843_muic_irq *muic_irq = max77843_muic_irqs[i];
unsigned int virq = 0;
-- 
1.7.9.5

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Re: [PATCH RESEND] phy: exynos5-usbdrd: Add to support for Exynos5433 SoC

[Jaewon Kim]

Hi Kishon.

Could you check my patch??

On 26/03/2015 14:16, Vivek Gautam wrote:

On Thu, Mar 26, 2015 at 7:48 AM, Jaewon Kim jaewon02@samsung.com wrote:

This patch adds driver data to support for Exynos5433 SoC.
The Exynos5433 has one USB3.0 Host and USB3.0 DRD(Dual Role Device).
Exynos5433 is simplar to Eyxnos7 but Exynos5433 have
one more USB3.0 Host controller.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
Tested-by: Chanwoo Choi cw00.c...@samsung.com
---

Patch looks good to me.

Reviewed-by: Vivek Gautam gautam.vi...@samsung.com


  .../devicetree/bindings/phy/samsung-phy.txt|3 ++-
  drivers/phy/phy-exynos5-usbdrd.c   |   10 ++
  include/linux/mfd/syscon/exynos5-pmu.h |3 +++
  3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/phy/samsung-phy.txt 
b/Documentation/devicetree/bindings/phy/samsung-phy.txt
index 91e38cf..60c6f2a 100644
--- a/Documentation/devicetree/bindings/phy/samsung-phy.txt
+++ b/Documentation/devicetree/bindings/phy/samsung-phy.txt
@@ -128,6 +128,7 @@ Required properties:
  - compatible : Should be set to one of the following supported values:
 - samsung,exynos5250-usbdrd-phy - for exynos5250 SoC,
 - samsung,exynos5420-usbdrd-phy - for exynos5420 SoC.
+   - samsung,exynos5433-usbdrd-phy - for exynos5433 SoC.
 - samsung,exynos7-usbdrd-phy - for exynos7 SoC.
  - reg : Register offset and length of USB DRD PHY register set;
  - clocks: Clock IDs array as required by the controller
@@ -139,7 +140,7 @@ Required properties:
PHY operations, associated by phy name. It is used to
determine bit values for clock settings register.
For Exynos5420 this is given as 'sclk_usbphy30' in CMU.
-   - optional clocks: Exynos7 SoC has now following additional
+   - optional clocks: Exynos5433  Exynos7 SoC has now following additional
gate clocks available:
- phy_pipe: for PIPE3 phy
- phy_utmi: for UTMI+ phy
diff --git a/drivers/phy/phy-exynos5-usbdrd.c b/drivers/phy/phy-exynos5-usbdrd.c
index e2a0be7..d72ef15 100644
--- a/drivers/phy/phy-exynos5-usbdrd.c
+++ b/drivers/phy/phy-exynos5-usbdrd.c
@@ -624,6 +624,13 @@ static const struct exynos5_usbdrd_phy_drvdata 
exynos5250_usbdrd_phy = {
 .has_common_clk_gate= true,
  };

+static const struct exynos5_usbdrd_phy_drvdata exynos5433_usbdrd_phy = {
+   .phy_cfg= phy_cfg_exynos5,
+   .pmu_offset_usbdrd0_phy = EXYNOS5_USBDRD_PHY_CONTROL,
+   .pmu_offset_usbdrd1_phy = EXYNOS5433_USBHOST30_PHY_CONTROL,
+   .has_common_clk_gate= false,
+};
+
  static const struct exynos5_usbdrd_phy_drvdata exynos7_usbdrd_phy = {
 .phy_cfg= phy_cfg_exynos5,
 .pmu_offset_usbdrd0_phy = EXYNOS5_USBDRD_PHY_CONTROL,
@@ -638,6 +645,9 @@ static const struct of_device_id 
exynos5_usbdrd_phy_of_match[] = {
 .compatible = samsung,exynos5420-usbdrd-phy,
 .data = exynos5420_usbdrd_phy
 }, {
+   .compatible = samsung,exynos5433-usbdrd-phy,
+   .data = exynos5433_usbdrd_phy
+   }, {
 .compatible = samsung,exynos7-usbdrd-phy,
 .data = exynos7_usbdrd_phy
 },
diff --git a/include/linux/mfd/syscon/exynos5-pmu.h 
b/include/linux/mfd/syscon/exynos5-pmu.h
index 00ef24b..9352adc 100644
--- a/include/linux/mfd/syscon/exynos5-pmu.h
+++ b/include/linux/mfd/syscon/exynos5-pmu.h
@@ -36,6 +36,9 @@
  #define EXYNOS5420_MTCADC_PHY_CONTROL  (0x724)
  #define EXYNOS5420_DPTX_PHY_CONTROL(0x728)

+/* Exynos5433 specific register definitions */
+#define EXYNOS5433_USBHOST30_PHY_CONTROL   (0x728)
+
  #define EXYNOS5_PHY_ENABLE BIT(0)

  #define EXYNOS5_MIPI_PHY_S_RESETN  BIT(1)
--
1.7.9.5

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Thanks,
Jaewon Kim.
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[PATCH RESEND] phy: exynos5-usbdrd: Add to support for Exynos5433 SoC

[Jaewon Kim]

This patch adds driver data to support for Exynos5433 SoC.
The Exynos5433 has one USB3.0 Host and USB3.0 DRD(Dual Role Device).
Exynos5433 is simplar to Eyxnos7 but Exynos5433 have
one more USB3.0 Host controller.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
Tested-by: Chanwoo Choi cw00.c...@samsung.com
---
 .../devicetree/bindings/phy/samsung-phy.txt|3 ++-
 drivers/phy/phy-exynos5-usbdrd.c   |   10 ++
 include/linux/mfd/syscon/exynos5-pmu.h |3 +++
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/phy/samsung-phy.txt 
b/Documentation/devicetree/bindings/phy/samsung-phy.txt
index 91e38cf..60c6f2a 100644
--- a/Documentation/devicetree/bindings/phy/samsung-phy.txt
+++ b/Documentation/devicetree/bindings/phy/samsung-phy.txt
@@ -128,6 +128,7 @@ Required properties:
 - compatible : Should be set to one of the following supported values:
- samsung,exynos5250-usbdrd-phy - for exynos5250 SoC,
- samsung,exynos5420-usbdrd-phy - for exynos5420 SoC.
+   - samsung,exynos5433-usbdrd-phy - for exynos5433 SoC.
- samsung,exynos7-usbdrd-phy - for exynos7 SoC.
 - reg : Register offset and length of USB DRD PHY register set;
 - clocks: Clock IDs array as required by the controller
@@ -139,7 +140,7 @@ Required properties:
   PHY operations, associated by phy name. It is used to
   determine bit values for clock settings register.
   For Exynos5420 this is given as 'sclk_usbphy30' in CMU.
-   - optional clocks: Exynos7 SoC has now following additional
+   - optional clocks: Exynos5433  Exynos7 SoC has now following additional
   gate clocks available:
   - phy_pipe: for PIPE3 phy
   - phy_utmi: for UTMI+ phy
diff --git a/drivers/phy/phy-exynos5-usbdrd.c b/drivers/phy/phy-exynos5-usbdrd.c
index e2a0be7..d72ef15 100644
--- a/drivers/phy/phy-exynos5-usbdrd.c
+++ b/drivers/phy/phy-exynos5-usbdrd.c
@@ -624,6 +624,13 @@ static const struct exynos5_usbdrd_phy_drvdata 
exynos5250_usbdrd_phy = {
.has_common_clk_gate= true,
 };
 
+static const struct exynos5_usbdrd_phy_drvdata exynos5433_usbdrd_phy = {
+   .phy_cfg= phy_cfg_exynos5,
+   .pmu_offset_usbdrd0_phy = EXYNOS5_USBDRD_PHY_CONTROL,
+   .pmu_offset_usbdrd1_phy = EXYNOS5433_USBHOST30_PHY_CONTROL,
+   .has_common_clk_gate= false,
+};
+
 static const struct exynos5_usbdrd_phy_drvdata exynos7_usbdrd_phy = {
.phy_cfg= phy_cfg_exynos5,
.pmu_offset_usbdrd0_phy = EXYNOS5_USBDRD_PHY_CONTROL,
@@ -638,6 +645,9 @@ static const struct of_device_id 
exynos5_usbdrd_phy_of_match[] = {
.compatible = samsung,exynos5420-usbdrd-phy,
.data = exynos5420_usbdrd_phy
}, {
+   .compatible = samsung,exynos5433-usbdrd-phy,
+   .data = exynos5433_usbdrd_phy
+   }, {
.compatible = samsung,exynos7-usbdrd-phy,
.data = exynos7_usbdrd_phy
},
diff --git a/include/linux/mfd/syscon/exynos5-pmu.h 
b/include/linux/mfd/syscon/exynos5-pmu.h
index 00ef24b..9352adc 100644
--- a/include/linux/mfd/syscon/exynos5-pmu.h
+++ b/include/linux/mfd/syscon/exynos5-pmu.h
@@ -36,6 +36,9 @@
 #define EXYNOS5420_MTCADC_PHY_CONTROL  (0x724)
 #define EXYNOS5420_DPTX_PHY_CONTROL(0x728)
 
+/* Exynos5433 specific register definitions */
+#define EXYNOS5433_USBHOST30_PHY_CONTROL   (0x728)
+
 #define EXYNOS5_PHY_ENABLE BIT(0)
 
 #define EXYNOS5_MIPI_PHY_S_RESETN  BIT(1)
-- 
1.7.9.5

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[PATCH] phy: exynos5-usbdrd: Add to support for Exynos5433 SoC

[Jaewon Kim]

This patch adds driver data to support for Exynos5433 SoC.
The Exynos5433 has one USB3.0 Host and USB3.0 DRD(Dual Role Device).
Exynos5433 is simplar to Eyxnos7 but Exynos5433 have
one more USB3.0 Host controller.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
---
 .../devicetree/bindings/phy/samsung-phy.txt|3 ++-
 drivers/phy/phy-exynos5-usbdrd.c   |   10 ++
 include/linux/mfd/syscon/exynos5-pmu.h |3 +++
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/phy/samsung-phy.txt 
b/Documentation/devicetree/bindings/phy/samsung-phy.txt
index 91e38cf..60c6f2a 100644
--- a/Documentation/devicetree/bindings/phy/samsung-phy.txt
+++ b/Documentation/devicetree/bindings/phy/samsung-phy.txt
@@ -128,6 +128,7 @@ Required properties:
 - compatible : Should be set to one of the following supported values:
- samsung,exynos5250-usbdrd-phy - for exynos5250 SoC,
- samsung,exynos5420-usbdrd-phy - for exynos5420 SoC.
+   - samsung,exynos5433-usbdrd-phy - for exynos5433 SoC.
- samsung,exynos7-usbdrd-phy - for exynos7 SoC.
 - reg : Register offset and length of USB DRD PHY register set;
 - clocks: Clock IDs array as required by the controller
@@ -139,7 +140,7 @@ Required properties:
   PHY operations, associated by phy name. It is used to
   determine bit values for clock settings register.
   For Exynos5420 this is given as 'sclk_usbphy30' in CMU.
-   - optional clocks: Exynos7 SoC has now following additional
+   - optional clocks: Exynos5433  Exynos7 SoC has now following additional
   gate clocks available:
   - phy_pipe: for PIPE3 phy
   - phy_utmi: for UTMI+ phy
diff --git a/drivers/phy/phy-exynos5-usbdrd.c b/drivers/phy/phy-exynos5-usbdrd.c
index 0437401..597e7dd 100644
--- a/drivers/phy/phy-exynos5-usbdrd.c
+++ b/drivers/phy/phy-exynos5-usbdrd.c
@@ -624,6 +624,13 @@ static const struct exynos5_usbdrd_phy_drvdata 
exynos5250_usbdrd_phy = {
.has_common_clk_gate= true,
 };
 
+static const struct exynos5_usbdrd_phy_drvdata exynos5433_usbdrd_phy = {
+   .phy_cfg= phy_cfg_exynos5,
+   .pmu_offset_usbdrd0_phy = EXYNOS5_USBDRD_PHY_CONTROL,
+   .pmu_offset_usbdrd1_phy = EXYNOS5433_USBHOST30_PHY_CONTROL,
+   .has_common_clk_gate= false,
+};
+
 static const struct exynos5_usbdrd_phy_drvdata exynos7_usbdrd_phy = {
.phy_cfg= phy_cfg_exynos5,
.pmu_offset_usbdrd0_phy = EXYNOS5_USBDRD_PHY_CONTROL,
@@ -638,6 +645,9 @@ static const struct of_device_id 
exynos5_usbdrd_phy_of_match[] = {
.compatible = samsung,exynos5420-usbdrd-phy,
.data = exynos5420_usbdrd_phy
}, {
+   .compatible = samsung,exynos5433-usbdrd-phy,
+   .data = exynos5433_usbdrd_phy
+   }, {
.compatible = samsung,exynos7-usbdrd-phy,
.data = exynos7_usbdrd_phy
},
diff --git a/include/linux/mfd/syscon/exynos5-pmu.h 
b/include/linux/mfd/syscon/exynos5-pmu.h
index 00ef24b..9352adc 100644
--- a/include/linux/mfd/syscon/exynos5-pmu.h
+++ b/include/linux/mfd/syscon/exynos5-pmu.h
@@ -36,6 +36,9 @@
 #define EXYNOS5420_MTCADC_PHY_CONTROL  (0x724)
 #define EXYNOS5420_DPTX_PHY_CONTROL(0x728)
 
+/* Exynos5433 specific register definitions */
+#define EXYNOS5433_USBHOST30_PHY_CONTROL   (0x728)
+
 #define EXYNOS5_PHY_ENABLE BIT(0)
 
 #define EXYNOS5_MIPI_PHY_S_RESETN  BIT(1)
-- 
1.7.9.5

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[PATCH] ARM: dts: remove usb2-phy on Exynos5 series SoC

[Jaewon Kim]

Exynos5 series SoC does not have usb2-phy on USB3.0 Controller.
It is controlled by only usb3-phy. So, this patch remove usb2-phy
property.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
---
 arch/arm/boot/dts/exynos5250.dtsi |4 ++--
 arch/arm/boot/dts/exynos5420.dtsi |8 
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/arm/boot/dts/exynos5250.dtsi 
b/arch/arm/boot/dts/exynos5250.dtsi
index 9bb1b0b..b58b169 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -565,8 +565,8 @@
compatible = synopsys,dwc3;
reg = 0x1200 0x1;
interrupts = 0 72 0;
-   phys = usbdrd_phy 0, usbdrd_phy 1;
-   phy-names = usb2-phy, usb3-phy;
+   phys = usbdrd_phy 0;
+   phy-names = usb3-phy;
};
};
 
diff --git a/arch/arm/boot/dts/exynos5420.dtsi 
b/arch/arm/boot/dts/exynos5420.dtsi
index 9dc2e97..0df14bb 100644
--- a/arch/arm/boot/dts/exynos5420.dtsi
+++ b/arch/arm/boot/dts/exynos5420.dtsi
@@ -845,8 +845,8 @@
compatible = snps,dwc3;
reg = 0x1200 0x1;
interrupts = 0 72 0;
-   phys = usbdrd_phy0 0, usbdrd_phy0 1;
-   phy-names = usb2-phy, usb3-phy;
+   phys = usbdrd_phy0 0;
+   phy-names = usb3-phy;
};
};
 
@@ -871,8 +871,8 @@
compatible = snps,dwc3;
reg = 0x1240 0x1;
interrupts = 0 73 0;
-   phys = usbdrd_phy1 0, usbdrd_phy1 1;
-   phy-names = usb2-phy, usb3-phy;
+   phys = usbdrd_phy1 1;
+   phy-names = usb3-phy;
};
};
 
-- 
1.7.9.5

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[PATCH RESEND 0/2] Add regulator-haptic device tree

[Jaewon Kim]

This patch series adds regulator-haptic device tree in rinato and monk boards.

The regulator-haptic has haptic motor and it is controlled by
voltage of regulator via force feedback framework.

regualtor-haptic driver merged at linux-next
ref : https://lkml.org/lkml/2014/12/17/477

Jaewon Kim (2):
  ARM: dts: exynos3250-rinato: Add regulator-haptic node for haptics
  ARM: dts: exynos3250-monk: Add regulator-haptic node for haptics

 arch/arm/boot/dts/exynos3250-monk.dts   |7 +++
 arch/arm/boot/dts/exynos3250-rinato.dts |7 +++
 2 files changed, 14 insertions(+)

-- 
1.7.9.5

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[PATCH RESEND 2/2] ARM: dts: exynos3250-monk: Add regulator-haptic node for haptics

[Jaewon Kim]

This patch adds regulator-haptic device node controlled by regulator.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
Reviewed-by: Chanwoo Choi cw00.c...@samsung.com
---
 arch/arm/boot/dts/exynos3250-monk.dts |7 +++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/exynos3250-monk.dts 
b/arch/arm/boot/dts/exynos3250-monk.dts
index 24822aa..7102d88 100644
--- a/arch/arm/boot/dts/exynos3250-monk.dts
+++ b/arch/arm/boot/dts/exynos3250-monk.dts
@@ -109,6 +109,13 @@
};
};
};
+
+   haptics {
+   compatible = regulator-haptic;
+   haptic-supply = motor_reg;
+   min-microvolt = 110;
+   max-microvolt = 270;
+   };
 };
 
 adc {
-- 
1.7.9.5

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[PATCH RESEND 1/2] ARM: dts: exynos3250-rinato: Add regulator-haptic node for haptics

[Jaewon Kim]

This patch adds regulator-haptic device node controlled by regulator.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
Reviewed-by: Chanwoo Choi cw00.c...@samsung.com
---
 arch/arm/boot/dts/exynos3250-rinato.dts |7 +++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts 
b/arch/arm/boot/dts/exynos3250-rinato.dts
index 80aa8b4..0e3d499 100644
--- a/arch/arm/boot/dts/exynos3250-rinato.dts
+++ b/arch/arm/boot/dts/exynos3250-rinato.dts
@@ -100,6 +100,13 @@
};
};
};
+
+   haptics {
+   compatible = regulator-haptic;
+   haptic-supply = motor_reg;
+   min-microvolt = 110;
+   max-microvolt = 270;
+   };
 };
 
 adc {
-- 
1.7.9.5

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[PATCH RESEND v2 4/4] ARM: dts: Enable USB node for exynos3250-monk

[Jaewon Kim]

This patch adds device tree node for hsotg to control USB 2.0 Device.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
---
 arch/arm/boot/dts/exynos3250-monk.dts |   10 ++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/exynos3250-monk.dts 
b/arch/arm/boot/dts/exynos3250-monk.dts
index 7102d88..3f18b21 100644
--- a/arch/arm/boot/dts/exynos3250-monk.dts
+++ b/arch/arm/boot/dts/exynos3250-monk.dts
@@ -141,6 +141,16 @@
};
 };
 
+exynos_usbphy {
+   status = okay;
+};
+
+hsotg {
+   vusb_d-supply = ldo15_reg;
+   vusb_a-supply = ldo12_reg;
+   status = okay;
+};
+
 i2c_0 {
#address-cells = 1;
#size-cells = 0;
-- 
1.7.9.5

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[PATCH RESEND v2 0/4] ARM: dts: Add USB node for exynos3250 SoC boards

[Jaewon Kim]

This patch series adds USB device node and phy for exynos3250 SoC.
And enables for rinato and monk boards.

Changes in v2:
 - remove unnessasary property samsung,sysreg-phandle
 - change xusbxti clock to CLK_SCLK_UPLL

Jaewon Kim (4):
  ARM: dts: Add exynos_usbphy node for exynos3250
  ARM: dts: Add hsotg node for exynos3250
  ARM: dts: Enable USB node for exynos3250-rinato
  ARM: dts: Enable USB node for exynos3250-monk

 arch/arm/boot/dts/exynos3250-monk.dts   |   10 ++
 arch/arm/boot/dts/exynos3250-rinato.dts |   10 ++
 arch/arm/boot/dts/exynos3250.dtsi   |   21 +
 3 files changed, 41 insertions(+)

-- 
1.7.9.5

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[PATCH RESEND v2 3/4] ARM: dts: Enable USB node for exynos3250-rinato

[Jaewon Kim]

This patch enables hsotg and usbphy node to use USB 2.0 Device.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
---
 arch/arm/boot/dts/exynos3250-rinato.dts |   10 ++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts 
b/arch/arm/boot/dts/exynos3250-rinato.dts
index 0e3d499..b3f217c 100644
--- a/arch/arm/boot/dts/exynos3250-rinato.dts
+++ b/arch/arm/boot/dts/exynos3250-rinato.dts
@@ -132,6 +132,16 @@
};
 };
 
+exynos_usbphy {
+   status = okay;
+};
+
+hsotg {
+   vusb_d-supply = ldo15_reg;
+   vusb_a-supply = ldo12_reg;
+   status = okay;
+};
+
 i2c_0 {
#address-cells = 1;
#size-cells = 0;
-- 
1.7.9.5

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[PATCH RESEND 1/2] ARM: dts: exynos3250-rinato: Add regulator-haptic node for haptics

[Jaewon Kim]

This patch adds regulator-haptic device node controlled by regulator.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
Reviewed-by: Chanwoo Choi cw00.c...@samsung.com
---
 arch/arm/boot/dts/exynos3250-rinato.dts |7 +++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts 
b/arch/arm/boot/dts/exynos3250-rinato.dts
index 80aa8b4..0e3d499 100644
--- a/arch/arm/boot/dts/exynos3250-rinato.dts
+++ b/arch/arm/boot/dts/exynos3250-rinato.dts
@@ -100,6 +100,13 @@
};
};
};
+
+   haptics {
+   compatible = regulator-haptic;
+   haptic-supply = motor_reg;
+   min-microvolt = 110;
+   max-microvolt = 270;
+   };
 };
 
 adc {
-- 
1.7.9.5

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[PATCH RESEND 0/2] Add regulator-haptic device tree

[Jaewon Kim]

This patch series adds regulator-haptic device tree in rinato and monk boards.

The regulator-haptic has haptic motor and it is controlled by
voltage of regulator via force feedback framework.

Jaewon Kim (2):
  ARM: dts: exynos3250-rinato: Add regulator-haptic node for haptics
  ARM: dts: exynos3250-monk: Add regulator-haptic node for haptics

 arch/arm/boot/dts/exynos3250-monk.dts   |7 +++
 arch/arm/boot/dts/exynos3250-rinato.dts |7 +++
 2 files changed, 14 insertions(+)

-- 
1.7.9.5

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[PATCH RESEND v2 2/4] ARM: dts: Add hsotg node for exynos3250

[Jaewon Kim]

This patch adds device tree node for hsotg to control USB 2.0 Device.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
---
 arch/arm/boot/dts/exynos3250.dtsi |   11 +++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm/boot/dts/exynos3250.dtsi 
b/arch/arm/boot/dts/exynos3250.dtsi
index 27d385f..204a84b 100644
--- a/arch/arm/boot/dts/exynos3250.dtsi
+++ b/arch/arm/boot/dts/exynos3250.dtsi
@@ -255,6 +255,17 @@
status = disabled;
};
 
+   hsotg: hsotg@1248 {
+   compatible = snps,dwc2;
+   reg = 0x1248 0x2;
+   interrupts = 0 141 0;
+   clocks = cmu CLK_USBOTG;
+   clock-names = otg;
+   phys = exynos_usbphy 0;
+   phy-names = usb2-phy;
+   status = disabled;
+   };
+
mshc_0: mshc@1251 {
compatible = samsung,exynos5250-dw-mshc;
reg = 0x1251 0x1000;
-- 
1.7.9.5

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[PATCH RESEND v2 1/4] ARM: dts: Add exynos_usbphy node for exynos3250

[Jaewon Kim]

This patch adds device tree node for exynos_usbphy to use USB 2.0 Device.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
---
 arch/arm/boot/dts/exynos3250.dtsi |   10 ++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/exynos3250.dtsi 
b/arch/arm/boot/dts/exynos3250.dtsi
index 2246549..27d385f 100644
--- a/arch/arm/boot/dts/exynos3250.dtsi
+++ b/arch/arm/boot/dts/exynos3250.dtsi
@@ -279,6 +279,16 @@
status = disabled;
};
 
+   exynos_usbphy: exynos-usbphy@125B {
+   compatible = samsung,exynos3250-usb2-phy;
+   reg = 0x125B 0x100;
+   samsung,pmureg-phandle = pmu_system_controller;
+   clocks = cmu CLK_USBOTG, cmu CLK_SCLK_UPLL;
+   clock-names = phy, ref;
+   #phy-cells = 1;
+   status = disabled;
+   };
+
amba {
compatible = arm,amba-bus;
#address-cells = 1;
-- 
1.7.9.5

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[PATCH 4/4] ARM: dts: Enable USB node for exynos3250-monk

[Jaewon Kim]

This patch adds device tree node for hsotg to control USB 2.0 Device.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
---
 arch/arm/boot/dts/exynos3250-monk.dts |   10 ++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/exynos3250-monk.dts 
b/arch/arm/boot/dts/exynos3250-monk.dts
index 24822aa..0c1d85d 100644
--- a/arch/arm/boot/dts/exynos3250-monk.dts
+++ b/arch/arm/boot/dts/exynos3250-monk.dts
@@ -134,6 +134,16 @@
};
 };
 
+exynos_usbphy {
+   status = okay;
+};
+
+hsotg {
+   vusb_d-supply = ldo15_reg;
+   vusb_a-supply = ldo12_reg;
+   status = okay;
+};
+
 i2c_0 {
#address-cells = 1;
#size-cells = 0;
-- 
1.7.9.5

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[PATCH 2/4] ARM: dts: Add hsotg node for exynos3250

[Jaewon Kim]

This patch adds device tree node for hsotg to control USB 2.0 Device.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
---
 arch/arm/boot/dts/exynos3250.dtsi |   11 +++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm/boot/dts/exynos3250.dtsi 
b/arch/arm/boot/dts/exynos3250.dtsi
index d976007..e5c891a 100644
--- a/arch/arm/boot/dts/exynos3250.dtsi
+++ b/arch/arm/boot/dts/exynos3250.dtsi
@@ -255,6 +255,17 @@
status = disabled;
};
 
+   hsotg: hsotg@1248 {
+   compatible = snps,dwc2;
+   reg = 0x1248 0x2;
+   interrupts = 0 141 0;
+   clocks = cmu CLK_USBOTG;
+   clock-names = otg;
+   phys = exynos_usbphy 0;
+   phy-names = usb2-phy;
+   status = disabled;
+   };
+
mshc_0: mshc@1251 {
compatible = samsung,exynos5250-dw-mshc;
reg = 0x1251 0x1000;
-- 
1.7.9.5

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[PATCH 3/4] ARM: dts: Enable USB node for exynos3250-rinato

[Jaewon Kim]

This patch enables hsotg and usbphy node to use USB 2.0 Device.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
---
 arch/arm/boot/dts/exynos3250-rinato.dts |   10 ++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts 
b/arch/arm/boot/dts/exynos3250-rinato.dts
index 80aa8b4..bf4c17b 100644
--- a/arch/arm/boot/dts/exynos3250-rinato.dts
+++ b/arch/arm/boot/dts/exynos3250-rinato.dts
@@ -125,6 +125,16 @@
};
 };
 
+exynos_usbphy {
+   status = okay;
+};
+
+hsotg {
+   vusb_d-supply = ldo15_reg;
+   vusb_a-supply = ldo12_reg;
+   status = okay;
+};
+
 i2c_0 {
#address-cells = 1;
#size-cells = 0;
-- 
1.7.9.5

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[PATCH 0/4] ARM: dts: Add USB node for exynos3250 SoC boards

[Jaewon Kim]

This patch series adds USB device node and phy for exynos3250 SoC.
And enables for rinato and monk boards.

Jaewon Kim (4):
  ARM: dts: Add exynos_usbphy node for exynos3250
  ARM: dts: Add hsotg node for exynos3250
  ARM: dts: Enable USB node for exynos3250-rinato
  ARM: dts: Enable USB node for exynos3250-monk

 arch/arm/boot/dts/exynos3250-monk.dts   |   10 ++
 arch/arm/boot/dts/exynos3250-rinato.dts |   10 ++
 arch/arm/boot/dts/exynos3250.dtsi   |   22 ++
 3 files changed, 42 insertions(+)

-- 
1.7.9.5

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[PATCH 1/4] ARM: dts: Add exynos_usbphy node for exynos3250

[Jaewon Kim]

This patch adds device tree node for exynos_usbphy to use USB 2.0 Device.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
---
 arch/arm/boot/dts/exynos3250.dtsi |   11 +++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm/boot/dts/exynos3250.dtsi 
b/arch/arm/boot/dts/exynos3250.dtsi
index 2246549..d976007 100644
--- a/arch/arm/boot/dts/exynos3250.dtsi
+++ b/arch/arm/boot/dts/exynos3250.dtsi
@@ -279,6 +279,17 @@
status = disabled;
};
 
+   exynos_usbphy: exynos-usbphy@125B {
+   compatible = samsung,exynos3250-usb2-phy;
+   reg = 0x125B 0x100;
+   samsung,pmureg-phandle = pmu_system_controller;
+   samsung,sysreg-phandle = sys_reg;
+   clocks = cmu CLK_USBOTG, xusbxti;
+   clock-names = phy, ref;
+   #phy-cells = 1;
+   status = disabled;
+   };
+
amba {
compatible = arm,amba-bus;
#address-cells = 1;
-- 
1.7.9.5

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[PATCH v2 0/4] ARM: dts: Add USB node for exynos3250 SoC boards

[Jaewon Kim]

This patch series adds USB device node and phy for exynos3250 SoC.
And enables for rinato and monk boards.

Changes in v2:
 - remove unnessasary property samsung,sysreg-phandle
 - change xusbxti clock to CLK_SCLK_UPLL

Jaewon Kim (4):
  ARM: dts: Add exynos_usbphy node for exynos3250
  ARM: dts: Add hsotg node for exynos3250
  ARM: dts: Enable USB node for exynos3250-rinato
  ARM: dts: Enable USB node for exynos3250-monk

 arch/arm/boot/dts/exynos3250-monk.dts   |   10 ++
 arch/arm/boot/dts/exynos3250-rinato.dts |   10 ++
 arch/arm/boot/dts/exynos3250.dtsi   |   21 +
 3 files changed, 41 insertions(+)

-- 
1.7.9.5

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[PATCH v2 2/4] ARM: dts: Add hsotg node for exynos3250

[Jaewon Kim]

This patch adds device tree node for hsotg to control USB 2.0 Device.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
---
 arch/arm/boot/dts/exynos3250.dtsi |   11 +++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm/boot/dts/exynos3250.dtsi 
b/arch/arm/boot/dts/exynos3250.dtsi
index 27d385f..204a84b 100644
--- a/arch/arm/boot/dts/exynos3250.dtsi
+++ b/arch/arm/boot/dts/exynos3250.dtsi
@@ -255,6 +255,17 @@
status = disabled;
};
 
+   hsotg: hsotg@1248 {
+   compatible = snps,dwc2;
+   reg = 0x1248 0x2;
+   interrupts = 0 141 0;
+   clocks = cmu CLK_USBOTG;
+   clock-names = otg;
+   phys = exynos_usbphy 0;
+   phy-names = usb2-phy;
+   status = disabled;
+   };
+
mshc_0: mshc@1251 {
compatible = samsung,exynos5250-dw-mshc;
reg = 0x1251 0x1000;
-- 
1.7.9.5

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[PATCH v2 3/4] ARM: dts: Enable USB node for exynos3250-rinato

[Jaewon Kim]

This patch enables hsotg and usbphy node to use USB 2.0 Device.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
---
 arch/arm/boot/dts/exynos3250-rinato.dts |   10 ++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts 
b/arch/arm/boot/dts/exynos3250-rinato.dts
index 80aa8b4..bf4c17b 100644
--- a/arch/arm/boot/dts/exynos3250-rinato.dts
+++ b/arch/arm/boot/dts/exynos3250-rinato.dts
@@ -125,6 +125,16 @@
};
 };
 
+exynos_usbphy {
+   status = okay;
+};
+
+hsotg {
+   vusb_d-supply = ldo15_reg;
+   vusb_a-supply = ldo12_reg;
+   status = okay;
+};
+
 i2c_0 {
#address-cells = 1;
#size-cells = 0;
-- 
1.7.9.5

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[PATCH v2 4/4] ARM: dts: Enable USB node for exynos3250-monk

[Jaewon Kim]

This patch adds device tree node for hsotg to control USB 2.0 Device.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
---
 arch/arm/boot/dts/exynos3250-monk.dts |   10 ++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/exynos3250-monk.dts 
b/arch/arm/boot/dts/exynos3250-monk.dts
index 24822aa..0c1d85d 100644
--- a/arch/arm/boot/dts/exynos3250-monk.dts
+++ b/arch/arm/boot/dts/exynos3250-monk.dts
@@ -134,6 +134,16 @@
};
 };
 
+exynos_usbphy {
+   status = okay;
+};
+
+hsotg {
+   vusb_d-supply = ldo15_reg;
+   vusb_a-supply = ldo12_reg;
+   status = okay;
+};
+
 i2c_0 {
#address-cells = 1;
#size-cells = 0;
-- 
1.7.9.5

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[PATCH v2 1/4] ARM: dts: Add exynos_usbphy node for exynos3250

[Jaewon Kim]

This patch adds device tree node for exynos_usbphy to use USB 2.0 Device.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
---
 arch/arm/boot/dts/exynos3250.dtsi |   10 ++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/exynos3250.dtsi 
b/arch/arm/boot/dts/exynos3250.dtsi
index 2246549..27d385f 100644
--- a/arch/arm/boot/dts/exynos3250.dtsi
+++ b/arch/arm/boot/dts/exynos3250.dtsi
@@ -279,6 +279,16 @@
status = disabled;
};
 
+   exynos_usbphy: exynos-usbphy@125B {
+   compatible = samsung,exynos3250-usb2-phy;
+   reg = 0x125B 0x100;
+   samsung,pmureg-phandle = pmu_system_controller;
+   clocks = cmu CLK_USBOTG, cmu CLK_SCLK_UPLL;
+   clock-names = phy, ref;
+   #phy-cells = 1;
+   status = disabled;
+   };
+
amba {
compatible = arm,amba-bus;
#address-cells = 1;
-- 
1.7.9.5

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Re: [PATCH v7 1/3] Input: add regulator haptic driver

[Jaewon Kim]

Hi Dmity,

2014년 12월 18일 07:06에 Dmitry Torokhov 이(가) 쓴 글:

HI Jaewon,

On Wed, Dec 17, 2014 at 12:35:06PM +0900, Jaewon Kim wrote:

This patch adds support for haptic driver controlled by
voltage of regulator. And this driver support for
Force Feedback interface from input framework

Signed-off-by: Jaewon Kim jaewon02@samsung.com
Signed-off-by: Hyunhee Kim hyunhee@samsung.com
Acked-by: Kyungmin Park kyungmin.p...@samsung.com
Tested-by: Chanwoo Choi cw00.c...@samsung.com
Reviewed-by: Chanwoo Choi cw00.c...@samsung.com
Reviewed-by: Pankaj Dubey pankaj.du...@samsung.com

Does the driver still work if you apply the patch below on top of yours?

Thanks.



Yes, there is no problem to apply this one first.

Thanks to review my patches.

Thanks
Jaewon Kim
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[PATCH v7 0/3] Add regulator-haptic driver

[Jaewon Kim]

This patch series adds regulator-haptic driver.
The regulator-haptic has haptic motor and it is controlled by
voltage of regulator via force feedback framework.

Changes in v7:
 - move platform_data or of_node check.
 - prevent to start playing effect when kernel entering suspend state.

Changes in v6:
 - prevent racing condition

Changes in v5:
 - give preference to platform data

Changes in v4:
 - _regulator_get() - _regulator_get_exclusive()

Changes in v3:
 - fix typo in Documentation
 - add define in header file

Changes in v2:
 - remove driver owner
 - merge enable/disable function
 - support platform data
 - fix wrong suspends_state check in regulator_haptic_resume()

Jaewon Kim (3):
  Input: add regulator haptic driver
  ARM: dts: exynos3250-rinato: Add regulator-haptic node for haptics
  ARM: dts: exynos3250-monk: Add regulator-haptic node for haptics

 .../devicetree/bindings/input/regulator-haptic.txt |   21 ++
 arch/arm/boot/dts/exynos3250-monk.dts  |7 +
 arch/arm/boot/dts/exynos3250-rinato.dts|7 +
 drivers/input/misc/Kconfig |   11 +
 drivers/input/misc/Makefile|1 +
 drivers/input/misc/regulator-haptic.c  |  247 
 include/linux/platform_data/regulator-haptic.h |   29 +++
 7 files changed, 323 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/regulator-haptic.txt
 create mode 100644 drivers/input/misc/regulator-haptic.c
 create mode 100644 include/linux/platform_data/regulator-haptic.h

-- 
1.7.9.5

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[PATCH v7 1/3] Input: add regulator haptic driver

[Jaewon Kim]

This patch adds support for haptic driver controlled by
voltage of regulator. And this driver support for
Force Feedback interface from input framework

Signed-off-by: Jaewon Kim jaewon02@samsung.com
Signed-off-by: Hyunhee Kim hyunhee@samsung.com
Acked-by: Kyungmin Park kyungmin.p...@samsung.com
Tested-by: Chanwoo Choi cw00.c...@samsung.com
Reviewed-by: Chanwoo Choi cw00.c...@samsung.com
Reviewed-by: Pankaj Dubey pankaj.du...@samsung.com
---
 .../devicetree/bindings/input/regulator-haptic.txt |   21 ++
 drivers/input/misc/Kconfig |   11 +
 drivers/input/misc/Makefile|1 +
 drivers/input/misc/regulator-haptic.c  |  247 
 include/linux/platform_data/regulator-haptic.h |   29 +++
 5 files changed, 309 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/regulator-haptic.txt
 create mode 100644 drivers/input/misc/regulator-haptic.c
 create mode 100644 include/linux/platform_data/regulator-haptic.h

diff --git a/Documentation/devicetree/bindings/input/regulator-haptic.txt 
b/Documentation/devicetree/bindings/input/regulator-haptic.txt
new file mode 100644
index 000..3ed1c7e
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/regulator-haptic.txt
@@ -0,0 +1,21 @@
+* Regulator Haptic Device Tree Bindings
+
+Required Properties:
+ - compatible : Should be regulator-haptic
+ - haptic-supply : Power supply to the haptic motor.
+   [*] refer Documentation/devicetree/bindings/regulator/regulator.txt
+
+ - max-microvolt : The maximum voltage value supplied to the haptic motor.
+   [The unit of the voltage is a micro]
+
+ - min-microvolt : The minimum voltage value supplied to the haptic motor.
+   [The unit of the voltage is a micro]
+
+Example:
+
+   haptics {
+   compatible = regulator-haptic;
+   haptic-supply = motor_regulator;
+   max-microvolt = 270;
+   min-microvolt = 110;
+   };
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 23297ab..e5e556d 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -394,6 +394,17 @@ config INPUT_CM109
  To compile this driver as a module, choose M here: the module will be
  called cm109.
 
+config INPUT_REGULATOR_HAPTIC
+   tristate regulator haptics support
+   select INPUT_FF_MEMLESS
+   help
+ This option enables device driver support for the haptic controlled
+ by regulator. This driver supports ff-memless interface
+ from input framework.
+
+ To compile this driver as a module, choose M here: the
+ module will be called regulator-haptic.
+
 config INPUT_RETU_PWRBUTTON
tristate Retu Power button Driver
depends on MFD_RETU
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 19c7603..1f135af 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -53,6 +53,7 @@ obj-$(CONFIG_INPUT_PMIC8XXX_PWRKEY)   += pmic8xxx-pwrkey.o
 obj-$(CONFIG_INPUT_POWERMATE)  += powermate.o
 obj-$(CONFIG_INPUT_PWM_BEEPER) += pwm-beeper.o
 obj-$(CONFIG_INPUT_RB532_BUTTON)   += rb532_button.o
+obj-$(CONFIG_INPUT_REGULATOR_HAPTIC)   += regulator-haptic.o
 obj-$(CONFIG_INPUT_RETU_PWRBUTTON) += retu-pwrbutton.o
 obj-$(CONFIG_INPUT_GPIO_ROTARY_ENCODER)+= rotary_encoder.o
 obj-$(CONFIG_INPUT_SGI_BTNS)   += sgi_btns.o
diff --git a/drivers/input/misc/regulator-haptic.c 
b/drivers/input/misc/regulator-haptic.c
new file mode 100644
index 000..16f5ec8
--- /dev/null
+++ b/drivers/input/misc/regulator-haptic.c
@@ -0,0 +1,247 @@
+/*
+ * Regulator haptic driver
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Author: Jaewon Kim jaewon02@samsung.com
+ * Author: Hyunhee Kim hyunhee@samsung.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include linux/input.h
+#include linux/module.h
+#include linux/of.h
+#include linux/platform_data/regulator-haptic.h
+#include linux/platform_device.h
+#include linux/regulator/consumer.h
+#include linux/slab.h
+
+#define MAX_MAGNITUDE_SHIFT16
+
+struct regulator_haptic {
+   struct device *dev;
+   struct input_dev *input_dev;
+   struct regulator *regulator;
+
+   struct work_struct work;
+   struct mutex mutex;
+
+   bool enabled;
+   bool suspend_state;
+   unsigned int max_volt;
+   unsigned int min_volt;
+   unsigned int intensity;
+   unsigned int magnitude;
+};
+
+static void regulator_haptic_enable(struct regulator_haptic *haptic, bool 
state)
+{
+   int error;
+
+   if (haptic-enabled == state)
+   return;
+
+   error = state ? regulator_enable(haptic-regulator

[PATCH v7 3/3] ARM: dts: exynos3250-monk: Add regulator-haptic node for haptics

[Jaewon Kim]

This patch adds regulator-haptic device node controlled by regulator.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
---
 arch/arm/boot/dts/exynos3250-monk.dts |7 +++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/exynos3250-monk.dts 
b/arch/arm/boot/dts/exynos3250-monk.dts
index 24822aa..7102d88 100644
--- a/arch/arm/boot/dts/exynos3250-monk.dts
+++ b/arch/arm/boot/dts/exynos3250-monk.dts
@@ -109,6 +109,13 @@
};
};
};
+
+   haptics {
+   compatible = regulator-haptic;
+   haptic-supply = motor_reg;
+   min-microvolt = 110;
+   max-microvolt = 270;
+   };
 };
 
 adc {
-- 
1.7.9.5

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[PATCH v7 2/3] ARM: dts: exynos3250-rinato: Add regulator-haptic node for haptics

[Jaewon Kim]

This patch adds regulator-haptic device node controlled by regulator.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
Reviewed-by: Chanwoo Choi cw00.c...@samsung.com
---
 arch/arm/boot/dts/exynos3250-rinato.dts |7 +++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts 
b/arch/arm/boot/dts/exynos3250-rinato.dts
index 80aa8b4..0e3d499 100644
--- a/arch/arm/boot/dts/exynos3250-rinato.dts
+++ b/arch/arm/boot/dts/exynos3250-rinato.dts
@@ -100,6 +100,13 @@
};
};
};
+
+   haptics {
+   compatible = regulator-haptic;
+   haptic-supply = motor_reg;
+   min-microvolt = 110;
+   max-microvolt = 270;
+   };
 };
 
 adc {
-- 
1.7.9.5

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Re: [PATCH v6 1/2] Input: add regulator haptic driver

[Jaewon Kim]

Hi Dmitry,

2014년 12월 14일 04:56에 Dmitry Torokhov 이(가) 쓴 글:

Hi Jaewon,

On Fri, Dec 12, 2014 at 07:32:28PM +0900, Jaewon Kim wrote:

This patch adds support for haptic driver controlled by
voltage of regulator. And this driver support for
Force Feedback interface from input framework

Signed-off-by: Jaewon Kim jaewon02@samsung.com
Signed-off-by: Hyunhee Kim hyunhee@samsung.com
Acked-by: Kyungmin Park kyungmin.p...@samsung.com
Tested-by: Chanwoo Choi cw00.c...@samsung.com
Reviewed-by: Chanwoo Choi cw00.c...@samsung.com
Reviewed-by: Pankaj Dubey pankaj.du...@samsung.com
---
  .../devicetree/bindings/input/regulator-haptic.txt |   21 ++
  drivers/input/misc/Kconfig |   11 +
  drivers/input/misc/Makefile|1 +
  drivers/input/misc/regulator-haptic.c  |  259 
  include/linux/input/regulator-haptic.h |   31 +++
  5 files changed, 323 insertions(+)
  create mode 100644 
Documentation/devicetree/bindings/input/regulator-haptic.txt
  create mode 100644 drivers/input/misc/regulator-haptic.c
  create mode 100644 include/linux/input/regulator-haptic.h

diff --git a/Documentation/devicetree/bindings/input/regulator-haptic.txt 
b/Documentation/devicetree/bindings/input/regulator-haptic.txt
new file mode 100644
index 000..3ed1c7e
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/regulator-haptic.txt
@@ -0,0 +1,21 @@
+* Regulator Haptic Device Tree Bindings
+
+Required Properties:
+ - compatible : Should be regulator-haptic
+ - haptic-supply : Power supply to the haptic motor.
+   [*] refer Documentation/devicetree/bindings/regulator/regulator.txt
+
+ - max-microvolt : The maximum voltage value supplied to the haptic motor.
+   [The unit of the voltage is a micro]
+
+ - min-microvolt : The minimum voltage value supplied to the haptic motor.
+   [The unit of the voltage is a micro]
+
+Example:
+
+   haptics {
+   compatible = regulator-haptic;
+   haptic-supply = motor_regulator;
+   max-microvolt = 270;
+   min-microvolt = 110;
+   };
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 23297ab..e5e556d 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -394,6 +394,17 @@ config INPUT_CM109
  To compile this driver as a module, choose M here: the module will be
  called cm109.
  
+config INPUT_REGULATOR_HAPTIC

+   tristate regulator haptics support
+   select INPUT_FF_MEMLESS
+   help
+ This option enables device driver support for the haptic controlled
+ by regulator. This driver supports ff-memless interface
+ from input framework.
+
+ To compile this driver as a module, choose M here: the
+ module will be called regulator-haptic.
+
  config INPUT_RETU_PWRBUTTON
tristate Retu Power button Driver
depends on MFD_RETU
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 19c7603..1f135af 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -53,6 +53,7 @@ obj-$(CONFIG_INPUT_PMIC8XXX_PWRKEY)   += pmic8xxx-pwrkey.o
  obj-$(CONFIG_INPUT_POWERMATE) += powermate.o
  obj-$(CONFIG_INPUT_PWM_BEEPER)+= pwm-beeper.o
  obj-$(CONFIG_INPUT_RB532_BUTTON)  += rb532_button.o
+obj-$(CONFIG_INPUT_REGULATOR_HAPTIC)   += regulator-haptic.o
  obj-$(CONFIG_INPUT_RETU_PWRBUTTON)+= retu-pwrbutton.o
  obj-$(CONFIG_INPUT_GPIO_ROTARY_ENCODER)   += rotary_encoder.o
  obj-$(CONFIG_INPUT_SGI_BTNS)  += sgi_btns.o
diff --git a/drivers/input/misc/regulator-haptic.c 
b/drivers/input/misc/regulator-haptic.c
new file mode 100644
index 000..2fa94bc
--- /dev/null
+++ b/drivers/input/misc/regulator-haptic.c
@@ -0,0 +1,259 @@
+/*
+ * Regulator haptic driver
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Author: Jaewon Kim jaewon02@samsung.com
+ * Author: Hyunhee Kim hyunhee@samsung.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include linux/input.h
+#include linux/input/regulator-haptic.h
+#include linux/module.h
+#include linux/of.h
+#include linux/platform_device.h
+#include linux/regulator/consumer.h
+#include linux/slab.h
+
+#define MAX_MAGNITUDE_SHIFT16
+
+struct regulator_haptic {
+   struct device *dev;
+   struct input_dev *input_dev;
+   struct regulator *regulator;
+
+   struct work_struct work;
+   struct mutex mutex;
+
+   bool enabled;
+   bool suspend_state;
+   unsigned int max_volt;
+   unsigned int min_volt;
+   unsigned int intensity;
+   unsigned int magnitude;
+};
+
+static void regulator_haptic_enable(struct regulator_haptic *haptic, bool 
state)
+{
+   int error

[PATCH v6 0/2] Add regulator-haptic driver

[Jaewon Kim]

This patch series adds regulator-haptic driver.
The regulator-haptic has haptic motor and it is controlled by
voltage of regulator via force feedback framework.

Changes in v6:
 - prevent racing condition

Changes in v5:
 - give preference to platform data

Changes in v4:
 - _regulator_get() - _regulator_get_exclusive()

Changes in v3:
 - fix typo in Documentation
 - add define in header file

Changes in v2:
 - remove driver owner
 - merge enable/disable function
 - support platform data
 - fix wrong suspends_state check in regulator_haptic_resume()


Jaewon Kim (2):
  Input: add regulator haptic driver
  ARM: dts: Add regulator-haptic device node for exynos3250-rinato

 .../devicetree/bindings/input/regulator-haptic.txt |   21 ++
 arch/arm/boot/dts/exynos3250-rinato.dts|7 +
 drivers/input/misc/Kconfig |   11 +
 drivers/input/misc/Makefile|1 +
 drivers/input/misc/regulator-haptic.c  |  259 
 include/linux/input/regulator-haptic.h |   31 +++
 6 files changed, 330 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/regulator-haptic.txt
 create mode 100644 drivers/input/misc/regulator-haptic.c
 create mode 100644 include/linux/input/regulator-haptic.h

-- 
1.7.9.5

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[PATCH v6 1/2] Input: add regulator haptic driver

[Jaewon Kim]

This patch adds support for haptic driver controlled by
voltage of regulator. And this driver support for
Force Feedback interface from input framework

Signed-off-by: Jaewon Kim jaewon02@samsung.com
Signed-off-by: Hyunhee Kim hyunhee@samsung.com
Acked-by: Kyungmin Park kyungmin.p...@samsung.com
Tested-by: Chanwoo Choi cw00.c...@samsung.com
Reviewed-by: Chanwoo Choi cw00.c...@samsung.com
Reviewed-by: Pankaj Dubey pankaj.du...@samsung.com
---
 .../devicetree/bindings/input/regulator-haptic.txt |   21 ++
 drivers/input/misc/Kconfig |   11 +
 drivers/input/misc/Makefile|1 +
 drivers/input/misc/regulator-haptic.c  |  259 
 include/linux/input/regulator-haptic.h |   31 +++
 5 files changed, 323 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/regulator-haptic.txt
 create mode 100644 drivers/input/misc/regulator-haptic.c
 create mode 100644 include/linux/input/regulator-haptic.h

diff --git a/Documentation/devicetree/bindings/input/regulator-haptic.txt 
b/Documentation/devicetree/bindings/input/regulator-haptic.txt
new file mode 100644
index 000..3ed1c7e
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/regulator-haptic.txt
@@ -0,0 +1,21 @@
+* Regulator Haptic Device Tree Bindings
+
+Required Properties:
+ - compatible : Should be regulator-haptic
+ - haptic-supply : Power supply to the haptic motor.
+   [*] refer Documentation/devicetree/bindings/regulator/regulator.txt
+
+ - max-microvolt : The maximum voltage value supplied to the haptic motor.
+   [The unit of the voltage is a micro]
+
+ - min-microvolt : The minimum voltage value supplied to the haptic motor.
+   [The unit of the voltage is a micro]
+
+Example:
+
+   haptics {
+   compatible = regulator-haptic;
+   haptic-supply = motor_regulator;
+   max-microvolt = 270;
+   min-microvolt = 110;
+   };
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 23297ab..e5e556d 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -394,6 +394,17 @@ config INPUT_CM109
  To compile this driver as a module, choose M here: the module will be
  called cm109.
 
+config INPUT_REGULATOR_HAPTIC
+   tristate regulator haptics support
+   select INPUT_FF_MEMLESS
+   help
+ This option enables device driver support for the haptic controlled
+ by regulator. This driver supports ff-memless interface
+ from input framework.
+
+ To compile this driver as a module, choose M here: the
+ module will be called regulator-haptic.
+
 config INPUT_RETU_PWRBUTTON
tristate Retu Power button Driver
depends on MFD_RETU
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 19c7603..1f135af 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -53,6 +53,7 @@ obj-$(CONFIG_INPUT_PMIC8XXX_PWRKEY)   += pmic8xxx-pwrkey.o
 obj-$(CONFIG_INPUT_POWERMATE)  += powermate.o
 obj-$(CONFIG_INPUT_PWM_BEEPER) += pwm-beeper.o
 obj-$(CONFIG_INPUT_RB532_BUTTON)   += rb532_button.o
+obj-$(CONFIG_INPUT_REGULATOR_HAPTIC)   += regulator-haptic.o
 obj-$(CONFIG_INPUT_RETU_PWRBUTTON) += retu-pwrbutton.o
 obj-$(CONFIG_INPUT_GPIO_ROTARY_ENCODER)+= rotary_encoder.o
 obj-$(CONFIG_INPUT_SGI_BTNS)   += sgi_btns.o
diff --git a/drivers/input/misc/regulator-haptic.c 
b/drivers/input/misc/regulator-haptic.c
new file mode 100644
index 000..2fa94bc
--- /dev/null
+++ b/drivers/input/misc/regulator-haptic.c
@@ -0,0 +1,259 @@
+/*
+ * Regulator haptic driver
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Author: Jaewon Kim jaewon02@samsung.com
+ * Author: Hyunhee Kim hyunhee@samsung.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include linux/input.h
+#include linux/input/regulator-haptic.h
+#include linux/module.h
+#include linux/of.h
+#include linux/platform_device.h
+#include linux/regulator/consumer.h
+#include linux/slab.h
+
+#define MAX_MAGNITUDE_SHIFT16
+
+struct regulator_haptic {
+   struct device *dev;
+   struct input_dev *input_dev;
+   struct regulator *regulator;
+
+   struct work_struct work;
+   struct mutex mutex;
+
+   bool enabled;
+   bool suspend_state;
+   unsigned int max_volt;
+   unsigned int min_volt;
+   unsigned int intensity;
+   unsigned int magnitude;
+};
+
+static void regulator_haptic_enable(struct regulator_haptic *haptic, bool 
state)
+{
+   int error;
+
+   if (haptic-enabled == state)
+   return;
+
+   if (state)
+   error = regulator_enable(haptic-regulator);
+   else

[PATCH v6 2/2] ARM: dts: Add haptic node for exynos3250-rinato

[Jaewon Kim]

This patch adds regulator-haptic device node controlled by regulator.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
Reviewed-by: Chanwoo Choi cw00.c...@samsung.com
---
 arch/arm/boot/dts/exynos3250-rinato.dts |7 +++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts 
b/arch/arm/boot/dts/exynos3250-rinato.dts
index 84380fa..da03005 100644
--- a/arch/arm/boot/dts/exynos3250-rinato.dts
+++ b/arch/arm/boot/dts/exynos3250-rinato.dts
@@ -104,6 +104,13 @@
};
};
};
+
+   haptics {
+   compatible = regulator-haptic;
+   haptic-supply = motor_reg;
+   min-microvolt = 110;
+   max-microvolt = 270;
+   };
 };
 
 adc {
-- 
1.7.9.5

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Re: [PATCH v4 1/2] Input: add regulator haptic driver

[Jaewon Kim]

Hi Dmity,

2014년 12월 03일 15:29에 Jaewon Kim 이(가) 쓴 글:

Hi Dmitry,

2014년 12월 03일 15:02에 Dmitry Torokhov 이(가) 쓴 글:

Hi Jaewon,

On Mon, Dec 01, 2014 at 11:11:12AM +0900, Jaewon Kim wrote:

This patch adds support for haptic driver controlled by
voltage of regulator. And this driver support for
Force Feedback interface from input framework

Signed-off-by: Jaewon Kim jaewon02@samsung.com
Signed-off-by: Hyunhee Kim hyunhee@samsung.com
Acked-by: Kyungmin Park kyungmin.p...@samsung.com
Tested-by: Chanwoo Choi cw00.c...@samsung.com
Reviewed-by: Chanwoo Choi cw00.c...@samsung.com
Reviewed-by: Pankaj Dubey pankaj.du...@samsung.com
---
  .../devicetree/bindings/input/regulator-haptic.txt |   21 ++
  drivers/input/misc/Kconfig |   11 +
  drivers/input/misc/Makefile|1 +
  drivers/input/misc/regulator-haptic.c  |  247 


  include/linux/input/regulator-haptic.h |   31 +++
  5 files changed, 311 insertions(+)
  create mode 100644 
Documentation/devicetree/bindings/input/regulator-haptic.txt

  create mode 100644 drivers/input/misc/regulator-haptic.c
  create mode 100644 include/linux/input/regulator-haptic.h

diff --git 
a/Documentation/devicetree/bindings/input/regulator-haptic.txt 
b/Documentation/devicetree/bindings/input/regulator-haptic.txt

new file mode 100644
index 000..3ed1c7e
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/regulator-haptic.txt
@@ -0,0 +1,21 @@
+* Regulator Haptic Device Tree Bindings
+
+Required Properties:
+ - compatible : Should be regulator-haptic
+ - haptic-supply : Power supply to the haptic motor.
+[*] refer 
Documentation/devicetree/bindings/regulator/regulator.txt

+
+ - max-microvolt : The maximum voltage value supplied to the haptic 
motor.

+[The unit of the voltage is a micro]
+
+ - min-microvolt : The minimum voltage value supplied to the haptic 
motor.

+[The unit of the voltage is a micro]
+
+Example:
+
+haptics {
+compatible = regulator-haptic;
+haptic-supply = motor_regulator;
+max-microvolt = 270;
+min-microvolt = 110;
+};
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 23297ab..e5e556d 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -394,6 +394,17 @@ config INPUT_CM109
To compile this driver as a module, choose M here: the 
module will be

called cm109.
  +config INPUT_REGULATOR_HAPTIC
+tristate regulator haptics support
+select INPUT_FF_MEMLESS
+help
+  This option enables device driver support for the haptic 
controlled

+  by regulator. This driver supports ff-memless interface
+  from input framework.
+
+  To compile this driver as a module, choose M here: the
+  module will be called regulator-haptic.
+
  config INPUT_RETU_PWRBUTTON
  tristate Retu Power button Driver
  depends on MFD_RETU
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 19c7603..1f135af 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -53,6 +53,7 @@ obj-$(CONFIG_INPUT_PMIC8XXX_PWRKEY)+= 
pmic8xxx-pwrkey.o

  obj-$(CONFIG_INPUT_POWERMATE)+= powermate.o
  obj-$(CONFIG_INPUT_PWM_BEEPER)+= pwm-beeper.o
  obj-$(CONFIG_INPUT_RB532_BUTTON)+= rb532_button.o
+obj-$(CONFIG_INPUT_REGULATOR_HAPTIC)+= regulator-haptic.o
  obj-$(CONFIG_INPUT_RETU_PWRBUTTON)+= retu-pwrbutton.o
  obj-$(CONFIG_INPUT_GPIO_ROTARY_ENCODER)+= rotary_encoder.o
  obj-$(CONFIG_INPUT_SGI_BTNS)+= sgi_btns.o
diff --git a/drivers/input/misc/regulator-haptic.c 
b/drivers/input/misc/regulator-haptic.c

new file mode 100644
index 000..6bc8e45
--- /dev/null
+++ b/drivers/input/misc/regulator-haptic.c
@@ -0,0 +1,247 @@
+/*
+ * Regulator haptic driver
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Author: Jaewon Kim jaewon02@samsung.com
+ * Author: Hyunhee Kim hyunhee@samsung.com
+ *
+ * This program is free software; you can redistribute it and/or 
modify

+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include linux/input.h
+#include linux/input/regulator-haptic.h
+#include linux/module.h
+#include linux/of.h
+#include linux/platform_device.h
+#include linux/regulator/consumer.h
+#include linux/slab.h
+
+#define MAX_MAGNITUDE_SHIFT16
+
+struct regulator_haptic {
+struct device *dev;
+struct input_dev *input_dev;
+struct regulator *regulator;
+struct work_struct work;
+
+bool enabled;
+bool suspend_state;
+unsigned int max_volt;
+unsigned int min_volt;
+unsigned int intensity;
+unsigned int magnitude;
+};
+
+static void regulator_haptic_enable(struct regulator_haptic 
*haptic, bool state)

+{
+int error;
+
+if (haptic-enabled == state)
+return;
+
+if (state)
+error = regulator_enable

Re: [PATCH v4 1/2] Input: add regulator haptic driver

[Jaewon Kim]

Hi Dmitry,

2014년 12월 03일 15:02에 Dmitry Torokhov 이(가) 쓴 글:

Hi Jaewon,

On Mon, Dec 01, 2014 at 11:11:12AM +0900, Jaewon Kim wrote:

This patch adds support for haptic driver controlled by
voltage of regulator. And this driver support for
Force Feedback interface from input framework

Signed-off-by: Jaewon Kim jaewon02@samsung.com
Signed-off-by: Hyunhee Kim hyunhee@samsung.com
Acked-by: Kyungmin Park kyungmin.p...@samsung.com
Tested-by: Chanwoo Choi cw00.c...@samsung.com
Reviewed-by: Chanwoo Choi cw00.c...@samsung.com
Reviewed-by: Pankaj Dubey pankaj.du...@samsung.com
---
  .../devicetree/bindings/input/regulator-haptic.txt |   21 ++
  drivers/input/misc/Kconfig |   11 +
  drivers/input/misc/Makefile|1 +
  drivers/input/misc/regulator-haptic.c  |  247 
  include/linux/input/regulator-haptic.h |   31 +++
  5 files changed, 311 insertions(+)
  create mode 100644 
Documentation/devicetree/bindings/input/regulator-haptic.txt
  create mode 100644 drivers/input/misc/regulator-haptic.c
  create mode 100644 include/linux/input/regulator-haptic.h

diff --git a/Documentation/devicetree/bindings/input/regulator-haptic.txt 
b/Documentation/devicetree/bindings/input/regulator-haptic.txt
new file mode 100644
index 000..3ed1c7e
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/regulator-haptic.txt
@@ -0,0 +1,21 @@
+* Regulator Haptic Device Tree Bindings
+
+Required Properties:
+ - compatible : Should be regulator-haptic
+ - haptic-supply : Power supply to the haptic motor.
+   [*] refer Documentation/devicetree/bindings/regulator/regulator.txt
+
+ - max-microvolt : The maximum voltage value supplied to the haptic motor.
+   [The unit of the voltage is a micro]
+
+ - min-microvolt : The minimum voltage value supplied to the haptic motor.
+   [The unit of the voltage is a micro]
+
+Example:
+
+   haptics {
+   compatible = regulator-haptic;
+   haptic-supply = motor_regulator;
+   max-microvolt = 270;
+   min-microvolt = 110;
+   };
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 23297ab..e5e556d 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -394,6 +394,17 @@ config INPUT_CM109
  To compile this driver as a module, choose M here: the module will be
  called cm109.
  
+config INPUT_REGULATOR_HAPTIC

+   tristate regulator haptics support
+   select INPUT_FF_MEMLESS
+   help
+ This option enables device driver support for the haptic controlled
+ by regulator. This driver supports ff-memless interface
+ from input framework.
+
+ To compile this driver as a module, choose M here: the
+ module will be called regulator-haptic.
+
  config INPUT_RETU_PWRBUTTON
tristate Retu Power button Driver
depends on MFD_RETU
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 19c7603..1f135af 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -53,6 +53,7 @@ obj-$(CONFIG_INPUT_PMIC8XXX_PWRKEY)   += pmic8xxx-pwrkey.o
  obj-$(CONFIG_INPUT_POWERMATE) += powermate.o
  obj-$(CONFIG_INPUT_PWM_BEEPER)+= pwm-beeper.o
  obj-$(CONFIG_INPUT_RB532_BUTTON)  += rb532_button.o
+obj-$(CONFIG_INPUT_REGULATOR_HAPTIC)   += regulator-haptic.o
  obj-$(CONFIG_INPUT_RETU_PWRBUTTON)+= retu-pwrbutton.o
  obj-$(CONFIG_INPUT_GPIO_ROTARY_ENCODER)   += rotary_encoder.o
  obj-$(CONFIG_INPUT_SGI_BTNS)  += sgi_btns.o
diff --git a/drivers/input/misc/regulator-haptic.c 
b/drivers/input/misc/regulator-haptic.c
new file mode 100644
index 000..6bc8e45
--- /dev/null
+++ b/drivers/input/misc/regulator-haptic.c
@@ -0,0 +1,247 @@
+/*
+ * Regulator haptic driver
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Author: Jaewon Kim jaewon02@samsung.com
+ * Author: Hyunhee Kim hyunhee@samsung.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include linux/input.h
+#include linux/input/regulator-haptic.h
+#include linux/module.h
+#include linux/of.h
+#include linux/platform_device.h
+#include linux/regulator/consumer.h
+#include linux/slab.h
+
+#define MAX_MAGNITUDE_SHIFT16
+
+struct regulator_haptic {
+   struct device *dev;
+   struct input_dev *input_dev;
+   struct regulator *regulator;
+   struct work_struct work;
+
+   bool enabled;
+   bool suspend_state;
+   unsigned int max_volt;
+   unsigned int min_volt;
+   unsigned int intensity;
+   unsigned int magnitude;
+};
+
+static void regulator_haptic_enable(struct regulator_haptic *haptic, bool 
state)
+{
+   int error;
+
+   if (haptic-enabled == state

[PATCH v5 2/2] ARM: dts: Add haptics node for exynos3250-rinato

[Jaewon Kim]

This patch adds regulator-haptic device node controlled by regulator.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
Reviewed-by: Chanwoo Choi cw00.c...@samsung.com
---
 arch/arm/boot/dts/exynos3250-rinato.dts |7 +++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts 
b/arch/arm/boot/dts/exynos3250-rinato.dts
index 84380fa..da03005 100644
--- a/arch/arm/boot/dts/exynos3250-rinato.dts
+++ b/arch/arm/boot/dts/exynos3250-rinato.dts
@@ -104,6 +104,13 @@
};
};
};
+
+   haptics {
+   compatible = regulator-haptic;
+   haptic-supply = motor_reg;
+   min-microvolt = 110;
+   max-microvolt = 270;
+   };
 };
 
 adc {
-- 
1.7.9.5

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[PATCH v5 1/2] Input: add regulator haptic driver

[Jaewon Kim]

This patch adds support for haptic driver controlled by
voltage of regulator. And this driver support for
Force Feedback interface from input framework

Signed-off-by: Jaewon Kim jaewon02@samsung.com
Signed-off-by: Hyunhee Kim hyunhee@samsung.com
Acked-by: Kyungmin Park kyungmin.p...@samsung.com
Tested-by: Chanwoo Choi cw00.c...@samsung.com
Reviewed-by: Chanwoo Choi cw00.c...@samsung.com
Reviewed-by: Pankaj Dubey pankaj.du...@samsung.com
---
 .../devicetree/bindings/input/regulator-haptic.txt |   21 ++
 drivers/input/misc/Kconfig |   11 +
 drivers/input/misc/Makefile|1 +
 drivers/input/misc/regulator-haptic.c  |  246 
 include/linux/input/regulator-haptic.h |   31 +++
 5 files changed, 310 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/regulator-haptic.txt
 create mode 100644 drivers/input/misc/regulator-haptic.c
 create mode 100644 include/linux/input/regulator-haptic.h

diff --git a/Documentation/devicetree/bindings/input/regulator-haptic.txt 
b/Documentation/devicetree/bindings/input/regulator-haptic.txt
new file mode 100644
index 000..3ed1c7e
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/regulator-haptic.txt
@@ -0,0 +1,21 @@
+* Regulator Haptic Device Tree Bindings
+
+Required Properties:
+ - compatible : Should be regulator-haptic
+ - haptic-supply : Power supply to the haptic motor.
+   [*] refer Documentation/devicetree/bindings/regulator/regulator.txt
+
+ - max-microvolt : The maximum voltage value supplied to the haptic motor.
+   [The unit of the voltage is a micro]
+
+ - min-microvolt : The minimum voltage value supplied to the haptic motor.
+   [The unit of the voltage is a micro]
+
+Example:
+
+   haptics {
+   compatible = regulator-haptic;
+   haptic-supply = motor_regulator;
+   max-microvolt = 270;
+   min-microvolt = 110;
+   };
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 23297ab..e5e556d 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -394,6 +394,17 @@ config INPUT_CM109
  To compile this driver as a module, choose M here: the module will be
  called cm109.
 
+config INPUT_REGULATOR_HAPTIC
+   tristate regulator haptics support
+   select INPUT_FF_MEMLESS
+   help
+ This option enables device driver support for the haptic controlled
+ by regulator. This driver supports ff-memless interface
+ from input framework.
+
+ To compile this driver as a module, choose M here: the
+ module will be called regulator-haptic.
+
 config INPUT_RETU_PWRBUTTON
tristate Retu Power button Driver
depends on MFD_RETU
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 19c7603..1f135af 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -53,6 +53,7 @@ obj-$(CONFIG_INPUT_PMIC8XXX_PWRKEY)   += pmic8xxx-pwrkey.o
 obj-$(CONFIG_INPUT_POWERMATE)  += powermate.o
 obj-$(CONFIG_INPUT_PWM_BEEPER) += pwm-beeper.o
 obj-$(CONFIG_INPUT_RB532_BUTTON)   += rb532_button.o
+obj-$(CONFIG_INPUT_REGULATOR_HAPTIC)   += regulator-haptic.o
 obj-$(CONFIG_INPUT_RETU_PWRBUTTON) += retu-pwrbutton.o
 obj-$(CONFIG_INPUT_GPIO_ROTARY_ENCODER)+= rotary_encoder.o
 obj-$(CONFIG_INPUT_SGI_BTNS)   += sgi_btns.o
diff --git a/drivers/input/misc/regulator-haptic.c 
b/drivers/input/misc/regulator-haptic.c
new file mode 100644
index 000..c355942
--- /dev/null
+++ b/drivers/input/misc/regulator-haptic.c
@@ -0,0 +1,246 @@
+/*
+ * Regulator haptic driver
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Author: Jaewon Kim jaewon02@samsung.com
+ * Author: Hyunhee Kim hyunhee@samsung.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include linux/input.h
+#include linux/input/regulator-haptic.h
+#include linux/module.h
+#include linux/of.h
+#include linux/platform_device.h
+#include linux/regulator/consumer.h
+#include linux/slab.h
+
+#define MAX_MAGNITUDE_SHIFT16
+
+struct regulator_haptic {
+   struct device *dev;
+   struct input_dev *input_dev;
+   struct regulator *regulator;
+   struct work_struct work;
+
+   bool enabled;
+   bool suspend_state;
+   unsigned int max_volt;
+   unsigned int min_volt;
+   unsigned int intensity;
+   unsigned int magnitude;
+};
+
+static void regulator_haptic_enable(struct regulator_haptic *haptic, bool 
state)
+{
+   int error;
+
+   if (haptic-enabled == state)
+   return;
+
+   if (state)
+   error = regulator_enable(haptic-regulator);
+   else
+   error = regulator_disable

Re: [PATCH 1/2] Input: add regulator haptic driver

[Jaewon Kim]

Hi Mark,

2014년 11월 28일 21:50에 Mark Brown 이(가) 쓴 글:

On Thu, Nov 20, 2014 at 10:31:39PM +0900, Jaewon Kim wrote:


+   haptic-regulator = devm_regulator_get(pdev-dev, haptic);
+   if (IS_ERR(haptic-regulator)) {
+   dev_err(pdev-dev, failed to get regulator\n);
+   return PTR_ERR(haptic-regulator);
+   }

This needs to be _get_exclusive() - the driver will be broken if
something else shares the regualtor since it relies on both enabling and
disabling the regulator and on setting the voltage for effects.  It's
not like a power supply where leaving the device powered when it could
be off is going to have no effect, if the power is left on then the
haptic motor will continue to operate.


Thanks to review my patch.

Haptic regulator has to only be used in this driver.
So, it is right to change like your advice.
I will fix next version.

Thanks
Jaewon Kim.
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[PATCH v4 0/2] Add regulator-haptic driver

[Jaewon Kim]

This patch series adds regulator-haptic driver.
The regulator-haptic has haptic motor and it is controlled by
voltage of regulator via force feedback framework.

Changes in v4:
 - _regulator_get() - _regulator_get_exclusive()

Changes in v3:
 - fix typo in Documentation
 - add define in header file

Changes in v2:
 - remove driver owner
 - merge enable/disable function
 - support platform data
 - fix wrong suspends_state check in regulator_haptic_resume()


Jaewon Kim (2):
  Input: add regulator haptic driver
  ARM: dts: Add regulator-haptic device node for exynos3250-rinato

 .../devicetree/bindings/input/regulator-haptic.txt |   21 ++
 arch/arm/boot/dts/exynos3250-rinato.dts|7 +
 drivers/input/misc/Kconfig |   11 +
 drivers/input/misc/Makefile|1 +
 drivers/input/misc/regulator-haptic.c  |  247 
 include/linux/input/regulator-haptic.h |   31 +++
 6 files changed, 318 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/regulator-haptic.txt
 create mode 100644 drivers/input/misc/regulator-haptic.c
 create mode 100644 include/linux/input/regulator-haptic.h

-- 
1.7.9.5

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[PATCH v4 2/2] ARM: dts: Add regulator-haptic device node for exynos3250-rinato

[Jaewon Kim]

This patch adds regulator-haptic device node controlled by regulator.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
Reviewed-by: Chanwoo Choi cw00.c...@samsung.com
---
 arch/arm/boot/dts/exynos3250-rinato.dts |7 +++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts 
b/arch/arm/boot/dts/exynos3250-rinato.dts
index 84380fa..da03005 100644
--- a/arch/arm/boot/dts/exynos3250-rinato.dts
+++ b/arch/arm/boot/dts/exynos3250-rinato.dts
@@ -104,6 +104,13 @@
};
};
};
+
+   haptics {
+   compatible = regulator-haptic;
+   haptic-supply = motor_reg;
+   min-microvolt = 110;
+   max-microvolt = 270;
+   };
 };
 
 adc {
-- 
1.7.9.5

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[PATCH v4 1/2] Input: add regulator haptic driver

[Jaewon Kim]

This patch adds support for haptic driver controlled by
voltage of regulator. And this driver support for
Force Feedback interface from input framework

Signed-off-by: Jaewon Kim jaewon02@samsung.com
Signed-off-by: Hyunhee Kim hyunhee@samsung.com
Acked-by: Kyungmin Park kyungmin.p...@samsung.com
Tested-by: Chanwoo Choi cw00.c...@samsung.com
Reviewed-by: Chanwoo Choi cw00.c...@samsung.com
Reviewed-by: Pankaj Dubey pankaj.du...@samsung.com
---
 .../devicetree/bindings/input/regulator-haptic.txt |   21 ++
 drivers/input/misc/Kconfig |   11 +
 drivers/input/misc/Makefile|1 +
 drivers/input/misc/regulator-haptic.c  |  247 
 include/linux/input/regulator-haptic.h |   31 +++
 5 files changed, 311 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/regulator-haptic.txt
 create mode 100644 drivers/input/misc/regulator-haptic.c
 create mode 100644 include/linux/input/regulator-haptic.h

diff --git a/Documentation/devicetree/bindings/input/regulator-haptic.txt 
b/Documentation/devicetree/bindings/input/regulator-haptic.txt
new file mode 100644
index 000..3ed1c7e
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/regulator-haptic.txt
@@ -0,0 +1,21 @@
+* Regulator Haptic Device Tree Bindings
+
+Required Properties:
+ - compatible : Should be regulator-haptic
+ - haptic-supply : Power supply to the haptic motor.
+   [*] refer Documentation/devicetree/bindings/regulator/regulator.txt
+
+ - max-microvolt : The maximum voltage value supplied to the haptic motor.
+   [The unit of the voltage is a micro]
+
+ - min-microvolt : The minimum voltage value supplied to the haptic motor.
+   [The unit of the voltage is a micro]
+
+Example:
+
+   haptics {
+   compatible = regulator-haptic;
+   haptic-supply = motor_regulator;
+   max-microvolt = 270;
+   min-microvolt = 110;
+   };
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 23297ab..e5e556d 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -394,6 +394,17 @@ config INPUT_CM109
  To compile this driver as a module, choose M here: the module will be
  called cm109.
 
+config INPUT_REGULATOR_HAPTIC
+   tristate regulator haptics support
+   select INPUT_FF_MEMLESS
+   help
+ This option enables device driver support for the haptic controlled
+ by regulator. This driver supports ff-memless interface
+ from input framework.
+
+ To compile this driver as a module, choose M here: the
+ module will be called regulator-haptic.
+
 config INPUT_RETU_PWRBUTTON
tristate Retu Power button Driver
depends on MFD_RETU
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 19c7603..1f135af 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -53,6 +53,7 @@ obj-$(CONFIG_INPUT_PMIC8XXX_PWRKEY)   += pmic8xxx-pwrkey.o
 obj-$(CONFIG_INPUT_POWERMATE)  += powermate.o
 obj-$(CONFIG_INPUT_PWM_BEEPER) += pwm-beeper.o
 obj-$(CONFIG_INPUT_RB532_BUTTON)   += rb532_button.o
+obj-$(CONFIG_INPUT_REGULATOR_HAPTIC)   += regulator-haptic.o
 obj-$(CONFIG_INPUT_RETU_PWRBUTTON) += retu-pwrbutton.o
 obj-$(CONFIG_INPUT_GPIO_ROTARY_ENCODER)+= rotary_encoder.o
 obj-$(CONFIG_INPUT_SGI_BTNS)   += sgi_btns.o
diff --git a/drivers/input/misc/regulator-haptic.c 
b/drivers/input/misc/regulator-haptic.c
new file mode 100644
index 000..6bc8e45
--- /dev/null
+++ b/drivers/input/misc/regulator-haptic.c
@@ -0,0 +1,247 @@
+/*
+ * Regulator haptic driver
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Author: Jaewon Kim jaewon02@samsung.com
+ * Author: Hyunhee Kim hyunhee@samsung.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include linux/input.h
+#include linux/input/regulator-haptic.h
+#include linux/module.h
+#include linux/of.h
+#include linux/platform_device.h
+#include linux/regulator/consumer.h
+#include linux/slab.h
+
+#define MAX_MAGNITUDE_SHIFT16
+
+struct regulator_haptic {
+   struct device *dev;
+   struct input_dev *input_dev;
+   struct regulator *regulator;
+   struct work_struct work;
+
+   bool enabled;
+   bool suspend_state;
+   unsigned int max_volt;
+   unsigned int min_volt;
+   unsigned int intensity;
+   unsigned int magnitude;
+};
+
+static void regulator_haptic_enable(struct regulator_haptic *haptic, bool 
state)
+{
+   int error;
+
+   if (haptic-enabled == state)
+   return;
+
+   if (state)
+   error = regulator_enable(haptic-regulator);
+   else
+   error = regulator_disable

[PATCH v3 0/2] Add regulator-haptic driver

[Jaewon Kim]

This patch series adds regulator-haptic driver.
The regulator-haptic has haptic motor and it is controlled by
voltage of regulator via force feedback framework.

Changes in v3:
  - fix typo in Documentation
  - add define in header file

Changes in v2:
  - remove driver owner
  - merge enable/disable function
  - support platform data
 - fix wrong suspends_state check in regulator_haptic_resume()

Jaewon Kim (2):
  Input: add regulator haptic driver
  ARM: dts: Add regulator-haptic device node for exynos3250-rinato

 .../devicetree/bindings/input/regulator-haptic.txt |   21 ++
 arch/arm/boot/dts/exynos3250-rinato.dts|7 +
 drivers/input/misc/Kconfig |   11 +
 drivers/input/misc/Makefile|1 +
 drivers/input/misc/regulator-haptic.c  |  247 
 include/linux/input/regulator-haptic.h |   31 +++
 6 files changed, 318 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/regulator-haptic.txt
 create mode 100644 drivers/input/misc/regulator-haptic.c
 create mode 100644 include/linux/input/regulator-haptic.h

-- 
1.7.9.5

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[PATCH v3 2/2] ARM: dts: Add regulator-haptic device node for exynos3250-rinato

[Jaewon Kim]

This patch adds regulator-haptic device node controlled by regulator.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
Reviewed-by: Chanwoo Choi cw00.c...@samsung.com
---
 arch/arm/boot/dts/exynos3250-rinato.dts |7 +++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts 
b/arch/arm/boot/dts/exynos3250-rinato.dts
index 84380fa..da03005 100644
--- a/arch/arm/boot/dts/exynos3250-rinato.dts
+++ b/arch/arm/boot/dts/exynos3250-rinato.dts
@@ -104,6 +104,13 @@
};
};
};
+
+   haptics {
+   compatible = regulator-haptic;
+   haptic-supply = motor_reg;
+   min-microvolt = 110;
+   max-microvolt = 270;
+   };
 };
 
 adc {
-- 
1.7.9.5

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[PATCH v3 1/2] Input: add regulator haptic driver

[Jaewon Kim]

This patch adds support for haptic driver controlled by
voltage of regulator. And this driver support for
Force Feedback interface from input framework

Signed-off-by: Jaewon Kim jaewon02@samsung.com
Signed-off-by: Hyunhee Kim hyunhee@samsung.com
Acked-by: Kyungmin Park kyungmin.p...@samsung.com
Tested-by: Chanwoo Choi cw00.c...@samsung.com
Reviewed-by: Chanwoo Choi cw00.c...@samsung.com
Reviewed-by: Pankaj Dubey pankaj.du...@samsung.com
---
 .../devicetree/bindings/input/regulator-haptic.txt |   21 ++
 drivers/input/misc/Kconfig |   11 +
 drivers/input/misc/Makefile|1 +
 drivers/input/misc/regulator-haptic.c  |  247 
 include/linux/input/regulator-haptic.h |   31 +++
 5 files changed, 311 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/regulator-haptic.txt
 create mode 100644 drivers/input/misc/regulator-haptic.c
 create mode 100644 include/linux/input/regulator-haptic.h

diff --git a/Documentation/devicetree/bindings/input/regulator-haptic.txt 
b/Documentation/devicetree/bindings/input/regulator-haptic.txt
new file mode 100644
index 000..3ed1c7e
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/regulator-haptic.txt
@@ -0,0 +1,21 @@
+* Regulator Haptic Device Tree Bindings
+
+Required Properties:
+ - compatible : Should be regulator-haptic
+ - haptic-supply : Power supply to the haptic motor.
+   [*] refer Documentation/devicetree/bindings/regulator/regulator.txt
+
+ - max-microvolt : The maximum voltage value supplied to the haptic motor.
+   [The unit of the voltage is a micro]
+
+ - min-microvolt : The minimum voltage value supplied to the haptic motor.
+   [The unit of the voltage is a micro]
+
+Example:
+
+   haptics {
+   compatible = regulator-haptic;
+   haptic-supply = motor_regulator;
+   max-microvolt = 270;
+   min-microvolt = 110;
+   };
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 23297ab..e5e556d 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -394,6 +394,17 @@ config INPUT_CM109
  To compile this driver as a module, choose M here: the module will be
  called cm109.
 
+config INPUT_REGULATOR_HAPTIC
+   tristate regulator haptics support
+   select INPUT_FF_MEMLESS
+   help
+ This option enables device driver support for the haptic controlled
+ by regulator. This driver supports ff-memless interface
+ from input framework.
+
+ To compile this driver as a module, choose M here: the
+ module will be called regulator-haptic.
+
 config INPUT_RETU_PWRBUTTON
tristate Retu Power button Driver
depends on MFD_RETU
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 19c7603..1f135af 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -53,6 +53,7 @@ obj-$(CONFIG_INPUT_PMIC8XXX_PWRKEY)   += pmic8xxx-pwrkey.o
 obj-$(CONFIG_INPUT_POWERMATE)  += powermate.o
 obj-$(CONFIG_INPUT_PWM_BEEPER) += pwm-beeper.o
 obj-$(CONFIG_INPUT_RB532_BUTTON)   += rb532_button.o
+obj-$(CONFIG_INPUT_REGULATOR_HAPTIC)   += regulator-haptic.o
 obj-$(CONFIG_INPUT_RETU_PWRBUTTON) += retu-pwrbutton.o
 obj-$(CONFIG_INPUT_GPIO_ROTARY_ENCODER)+= rotary_encoder.o
 obj-$(CONFIG_INPUT_SGI_BTNS)   += sgi_btns.o
diff --git a/drivers/input/misc/regulator-haptic.c 
b/drivers/input/misc/regulator-haptic.c
new file mode 100644
index 000..c61dd99
--- /dev/null
+++ b/drivers/input/misc/regulator-haptic.c
@@ -0,0 +1,247 @@
+/*
+ * Regulator haptic driver
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Author: Jaewon Kim jaewon02@samsung.com
+ * Author: Hyunhee Kim hyunhee@samsung.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include linux/input.h
+#include linux/input/regulator-haptic.h
+#include linux/module.h
+#include linux/of.h
+#include linux/platform_device.h
+#include linux/regulator/consumer.h
+#include linux/slab.h
+
+#define MAX_MAGNITUDE_SHIFT16
+
+struct regulator_haptic {
+   struct device *dev;
+   struct input_dev *input_dev;
+   struct regulator *regulator;
+   struct work_struct work;
+
+   bool enabled;
+   bool suspend_state;
+   unsigned int max_volt;
+   unsigned int min_volt;
+   unsigned int intensity;
+   unsigned int magnitude;
+};
+
+static void regulator_haptic_enable(struct regulator_haptic *haptic, bool 
state)
+{
+   int error;
+
+   if (haptic-enabled == state)
+   return;
+
+   if (state)
+   error = regulator_enable(haptic-regulator);
+   else
+   error = regulator_disable

[PATCH v2 2/2] ARM: dts: Add regulator-haptic device node for exynos3250-rinato

[Jaewon Kim]

This patch adds regulator-haptic device node controlled by regulator.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
---
 arch/arm/boot/dts/exynos3250-rinato.dts |7 +++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts 
b/arch/arm/boot/dts/exynos3250-rinato.dts
index 84380fa..da03005 100644
--- a/arch/arm/boot/dts/exynos3250-rinato.dts
+++ b/arch/arm/boot/dts/exynos3250-rinato.dts
@@ -104,6 +104,13 @@
};
};
};
+
+   haptics {
+   compatible = regulator-haptic;
+   haptic-supply = motor_reg;
+   min-microvolt = 110;
+   max-microvolt = 270;
+   };
 };
 
 adc {
-- 
1.7.9.5

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[PATCH v2 1/2] Input: add regulator haptic driver

[Jaewon Kim]

This patch adds support for haptic driver controlled by
voltage of regulator. And this driver support for
Force Feedback interface from input framework

Signed-off-by: Jaewon Kim jaewon02@samsung.com
Signed-off-by: Hyunhee Kim hyunhee@samsung.com
Acked-by: Kyungmin Park kyungmin.p...@samsung.com
---
 .../devicetree/bindings/input/regulator-haptic.txt |   24 ++
 drivers/input/misc/Kconfig |   11 +
 drivers/input/misc/Makefile|1 +
 drivers/input/misc/regulator-haptic.c  |  247 
 include/linux/input/regulator-haptic.h |   30 +++
 5 files changed, 313 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/regulator-haptic.txt
 create mode 100644 drivers/input/misc/regulator-haptic.c
 create mode 100644 include/linux/input/regulator-haptic.h

diff --git a/Documentation/devicetree/bindings/input/regulator-haptic.txt 
b/Documentation/devicetree/bindings/input/regulator-haptic.txt
new file mode 100644
index 000..5a44e8f
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/regulator-haptic.txt
@@ -0,0 +1,24 @@
+* Requlator Haptic Device Tree Bindings
+
+The regulator haptic driver controlled by voltage of regulator.
+This driver implemented via Force Feedback interface.
+
+Required Properties:
+ - compatible : Should be regulator-haptic
+ - haptic-supply : Power supply to the haptic motor.
+   [*] refer Documentation/devicetree/bindings/regulator/regulator.txt
+
+ - max-microvolt : The maximum voltage value supplied to the haptic motor.
+   [The unit of the voltage is a micro]
+
+ - min-microvolt : The minimum voltage value supplied to the haptic motor.
+   [The unit of the voltage is a micro]
+
+Example:
+
+   haptics {
+   compatible = regulator-haptic;
+   haptic-supply = motor_regulator;
+   max-microvolt = 270;
+   min-microvolt = 110;
+   };
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 23297ab..e5e556d 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -394,6 +394,17 @@ config INPUT_CM109
  To compile this driver as a module, choose M here: the module will be
  called cm109.
 
+config INPUT_REGULATOR_HAPTIC
+   tristate regulator haptics support
+   select INPUT_FF_MEMLESS
+   help
+ This option enables device driver support for the haptic controlled
+ by regulator. This driver supports ff-memless interface
+ from input framework.
+
+ To compile this driver as a module, choose M here: the
+ module will be called regulator-haptic.
+
 config INPUT_RETU_PWRBUTTON
tristate Retu Power button Driver
depends on MFD_RETU
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 19c7603..1f135af 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -53,6 +53,7 @@ obj-$(CONFIG_INPUT_PMIC8XXX_PWRKEY)   += pmic8xxx-pwrkey.o
 obj-$(CONFIG_INPUT_POWERMATE)  += powermate.o
 obj-$(CONFIG_INPUT_PWM_BEEPER) += pwm-beeper.o
 obj-$(CONFIG_INPUT_RB532_BUTTON)   += rb532_button.o
+obj-$(CONFIG_INPUT_REGULATOR_HAPTIC)   += regulator-haptic.o
 obj-$(CONFIG_INPUT_RETU_PWRBUTTON) += retu-pwrbutton.o
 obj-$(CONFIG_INPUT_GPIO_ROTARY_ENCODER)+= rotary_encoder.o
 obj-$(CONFIG_INPUT_SGI_BTNS)   += sgi_btns.o
diff --git a/drivers/input/misc/regulator-haptic.c 
b/drivers/input/misc/regulator-haptic.c
new file mode 100644
index 000..c61dd99
--- /dev/null
+++ b/drivers/input/misc/regulator-haptic.c
@@ -0,0 +1,247 @@
+/*
+ * Regulator haptic driver
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Author: Jaewon Kim jaewon02@samsung.com
+ * Author: Hyunhee Kim hyunhee@samsung.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include linux/input.h
+#include linux/input/regulator-haptic.h
+#include linux/module.h
+#include linux/of.h
+#include linux/platform_device.h
+#include linux/regulator/consumer.h
+#include linux/slab.h
+
+#define MAX_MAGNITUDE_SHIFT16
+
+struct regulator_haptic {
+   struct device *dev;
+   struct input_dev *input_dev;
+   struct regulator *regulator;
+   struct work_struct work;
+
+   bool enabled;
+   bool suspend_state;
+   unsigned int max_volt;
+   unsigned int min_volt;
+   unsigned int intensity;
+   unsigned int magnitude;
+};
+
+static void regulator_haptic_enable(struct regulator_haptic *haptic, bool 
state)
+{
+   int error;
+
+   if (haptic-enabled == state)
+   return;
+
+   if (state)
+   error = regulator_enable(haptic-regulator);
+   else
+   error = regulator_disable(haptic-regulator

[PATCH v2 0/2] Add regulator-haptic driver

[Jaewon Kim]

This patch series adds regulator-haptic driver.
The regulator-haptic has haptic motor and it is controlled by
voltage of regulator via force feedback framework.

Changes in v2:
  - remove driver owner
  - merge enable/disable function
  - support platform data
  - fix wrong suspends_state check in regulator_haptic_resume()

Jaewon Kim (2):
  Input: add regulator haptic driver
  ARM: dts: Add regulator-haptic device node for exynos3250-rinato

 .../devicetree/bindings/input/regulator-haptic.txt |   24 ++
 arch/arm/boot/dts/exynos3250-rinato.dts|7 +
 drivers/input/misc/Kconfig |   11 +
 drivers/input/misc/Makefile|1 +
 drivers/input/misc/regulator-haptic.c  |  247 
 include/linux/input/regulator-haptic.h |   30 +++
 6 files changed, 320 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/regulator-haptic.txt
 create mode 100644 drivers/input/misc/regulator-haptic.c
 create mode 100644 include/linux/input/regulator-haptic.h

-- 
1.7.9.5

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[PATCH 0/2] Add regulator-haptic driver

[Jaewon Kim]

This patch series adds regulator-haptic driver.
The regulator-haptic has haptic motor and it is controlled by
voltage of regulator via force feedback framework.

Jaewon Kim (2):
  Input: add regulator haptic driver
  ARM: dts: Add regulator-haptic device node for exynos3250-rinato

 .../devicetree/bindings/input/regulator-haptic.txt |   24 ++
 arch/arm/boot/dts/exynos3250-rinato.dts|7 +
 drivers/input/misc/Kconfig |   11 +
 drivers/input/misc/Makefile|1 +
 drivers/input/misc/regulator-haptic.c  |  241 
 5 files changed, 284 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/regulator-haptic.txt
 create mode 100644 drivers/input/misc/regulator-haptic.c

-- 
1.7.9.5

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[PATCH 2/2] ARM: dts: Add regulator-haptic device node for exynos3250-rinato

[Jaewon Kim]

This patch adds regulator-haptic device node controlled by regulator.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
---
 arch/arm/boot/dts/exynos3250-rinato.dts |7 +++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts 
b/arch/arm/boot/dts/exynos3250-rinato.dts
index 84380fa..8172815 100644
--- a/arch/arm/boot/dts/exynos3250-rinato.dts
+++ b/arch/arm/boot/dts/exynos3250-rinato.dts
@@ -104,6 +104,13 @@
};
};
};
+
+   regulator-haptic {
+   compatible = regulator-haptic;
+   haptic-supply = motor_reg;
+   min-microvolt = 110;
+   max-microvolt = 270;
+   };
 };
 
 adc {
-- 
1.7.9.5

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[PATCH 1/2] Input: add regulator haptic driver

[Jaewon Kim]

This patch adds support for haptic driver controlled by
voltage of regulator. And this driver support for
Force Feedback interface from input framework

Signed-off-by: Jaewon Kim jaewon02@samsung.com
Signed-off-by: Hyunhee Kim hyunhee@samsung.com
Acked-by: Kyungmin Park kyungmin.p...@samsung.com
---
 .../devicetree/bindings/input/regulator-haptic.txt |   24 ++
 drivers/input/misc/Kconfig |   11 +
 drivers/input/misc/Makefile|1 +
 drivers/input/misc/regulator-haptic.c  |  241 
 4 files changed, 277 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/regulator-haptic.txt
 create mode 100644 drivers/input/misc/regulator-haptic.c

diff --git a/Documentation/devicetree/bindings/input/regulator-haptic.txt 
b/Documentation/devicetree/bindings/input/regulator-haptic.txt
new file mode 100644
index 000..9f60e17
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/regulator-haptic.txt
@@ -0,0 +1,24 @@
+* Requlator Haptic Device Tree Bindings
+
+The regulator haptic driver controlled by voltage of regulator.
+This driver implemented via Force Feedback interface.
+
+Required Properties:
+ - compatible : Should be regulator-haptic
+ - haptic-supply : Power supply for the haptic motor.
+   [*] refer Documentation/devicetree/bindings/regulator/regulator.txt
+
+ - max-microvolt : The maximum voltage value supplied to haptic motor.
+   [The unit of the voltage is a micro]
+
+ - min-microvolt : The minimum voltage value in which haptic motor reacts.
+   [The unit of the voltage is a micro]
+
+Example:
+
+   regulator-haptic {
+   compatible = regulator-haptic;
+   haptic-supply = motor_regulator;
+   max-microvolt = 270;
+   min-microvolt = 110;
+   };
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 23297ab..e5e556d 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -394,6 +394,17 @@ config INPUT_CM109
  To compile this driver as a module, choose M here: the module will be
  called cm109.
 
+config INPUT_REGULATOR_HAPTIC
+   tristate regulator haptics support
+   select INPUT_FF_MEMLESS
+   help
+ This option enables device driver support for the haptic controlled
+ by regulator. This driver supports ff-memless interface
+ from input framework.
+
+ To compile this driver as a module, choose M here: the
+ module will be called regulator-haptic.
+
 config INPUT_RETU_PWRBUTTON
tristate Retu Power button Driver
depends on MFD_RETU
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 19c7603..1f135af 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -53,6 +53,7 @@ obj-$(CONFIG_INPUT_PMIC8XXX_PWRKEY)   += pmic8xxx-pwrkey.o
 obj-$(CONFIG_INPUT_POWERMATE)  += powermate.o
 obj-$(CONFIG_INPUT_PWM_BEEPER) += pwm-beeper.o
 obj-$(CONFIG_INPUT_RB532_BUTTON)   += rb532_button.o
+obj-$(CONFIG_INPUT_REGULATOR_HAPTIC)   += regulator-haptic.o
 obj-$(CONFIG_INPUT_RETU_PWRBUTTON) += retu-pwrbutton.o
 obj-$(CONFIG_INPUT_GPIO_ROTARY_ENCODER)+= rotary_encoder.o
 obj-$(CONFIG_INPUT_SGI_BTNS)   += sgi_btns.o
diff --git a/drivers/input/misc/regulator-haptic.c 
b/drivers/input/misc/regulator-haptic.c
new file mode 100644
index 000..1a83ecb
--- /dev/null
+++ b/drivers/input/misc/regulator-haptic.c
@@ -0,0 +1,241 @@
+/*
+ * Regulator haptic driver
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Author: Jaewon Kim jaewon02@samsung.com
+ * Author: Hyunhee Kim hyunhee@samsung.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include linux/module.h
+#include linux/platform_device.h
+#include linux/input.h
+#include linux/slab.h
+#include linux/regulator/consumer.h
+#include linux/of.h
+
+#define MAX_MAGNITUDE_SHIFT16
+
+struct regulator_haptic {
+   struct device *dev;
+   struct input_dev *input_dev;
+   struct regulator *regulator;
+   struct work_struct work;
+
+   bool enabled;
+   bool suspend_state;
+   unsigned int max_volt;
+   unsigned int min_volt;
+   unsigned int intensity;
+   unsigned int magnitude;
+};
+
+static void regulator_haptic_enable(struct regulator_haptic *haptic)
+{
+   int error;
+
+   if (haptic-enabled)
+   return;
+
+   error = regulator_enable(haptic-regulator);
+   if (error) {
+   dev_err(haptic-dev, cannot enable regulator\n);
+   return;
+   }
+
+   haptic-enabled = true;
+}
+
+static void regulator_haptic_disable(struct regulator_haptic *haptic)
+{
+   int error;
+
+   if (!haptic-enabled

[PATCH 2/2] ARM: dts: Add max77693-haptic node for exynos4412-trats2

[Jaewon Kim]

This patch adds max77693-haptic node to support for haptic motor driver.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
---
 arch/arm/boot/dts/exynos4412-trats2.dts |6 ++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts 
b/arch/arm/boot/dts/exynos4412-trats2.dts
index 72462e8..8ddebbc 100644
--- a/arch/arm/boot/dts/exynos4412-trats2.dts
+++ b/arch/arm/boot/dts/exynos4412-trats2.dts
@@ -543,6 +543,12 @@
regulator-max-microamp = 258;
};
};
+
+   max77693_haptic {
+   compatible = maxim,max77693-haptic;
+   haptic-supply = ldo26_reg;
+   pwms = pwm 0 38022 0;
+   };
};
};
 
-- 
1.7.9.5

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[PATCH 1/2] ARM: dts: add pwm node for exynos4412-trats2

[Jaewon Kim]

This patch add PWM(Pulse Width Modulation) node and
handle to use pwm property.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
---
 arch/arm/boot/dts/exynos4412-trats2.dts |7 +++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts 
b/arch/arm/boot/dts/exynos4412-trats2.dts
index 8ee20bd..72462e8 100644
--- a/arch/arm/boot/dts/exynos4412-trats2.dts
+++ b/arch/arm/boot/dts/exynos4412-trats2.dts
@@ -636,6 +636,13 @@
};
};
 
+   pwm: pwm@139D {
+   pinctrl-0 = pwm0_out;
+   pinctrl-names = default;
+   samsung,pwm-outputs = 0;
+   status = okay;
+   };
+
dsi_0: dsi@11C8 {
vddcore-supply = ldo8_reg;
vddio-supply = ldo10_reg;
-- 
1.7.9.5

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Re: [PATCH 1/2] Input: add regulator haptic driver

[Jaewon Kim]

Hi Pankaj,

2014년 11월 20일 23:33에 Pankaj Dubey 이(가) 쓴 글:

Hi Jaewon,

On 20 November 2014 19:01, Jaewon Kim jaewon02@samsung.com wrote:

This patch adds support for haptic driver controlled by
voltage of regulator. And this driver support for
Force Feedback interface from input framework

Signed-off-by: Jaewon Kim jaewon02@samsung.com
Signed-off-by: Hyunhee Kim hyunhee@samsung.com
Acked-by: Kyungmin Park kyungmin.p...@samsung.com
---
  .../devicetree/bindings/input/regulator-haptic.txt |   24 ++
  drivers/input/misc/Kconfig |   11 +
  drivers/input/misc/Makefile|1 +
  drivers/input/misc/regulator-haptic.c  |  241 
  4 files changed, 277 insertions(+)
  create mode 100644 
Documentation/devicetree/bindings/input/regulator-haptic.txt
  create mode 100644 drivers/input/misc/regulator-haptic.c

diff --git a/Documentation/devicetree/bindings/input/regulator-haptic.txt 
b/Documentation/devicetree/bindings/input/regulator-haptic.txt
new file mode 100644
index 000..9f60e17
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/regulator-haptic.txt
@@ -0,0 +1,24 @@
+* Requlator Haptic Device Tree Bindings
+
+The regulator haptic driver controlled by voltage of regulator.
+This driver implemented via Force Feedback interface.
+
+Required Properties:
+ - compatible : Should be regulator-haptic
+ - haptic-supply : Power supply for the haptic motor.
+   [*] refer Documentation/devicetree/bindings/regulator/regulator.txt
+
+ - max-microvolt : The maximum voltage value supplied to haptic motor.
+   [The unit of the voltage is a micro]
+
+ - min-microvolt : The minimum voltage value in which haptic motor reacts.
+   [The unit of the voltage is a micro]
+
+Example:
+
+   regulator-haptic {
+   compatible = regulator-haptic;
+   haptic-supply = motor_regulator;
+   max-microvolt = 270;
+   min-microvolt = 110;
+   };
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 23297ab..e5e556d 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -394,6 +394,17 @@ config INPUT_CM109
   To compile this driver as a module, choose M here: the module will be
   called cm109.

+config INPUT_REGULATOR_HAPTIC
+   tristate regulator haptics support
+   select INPUT_FF_MEMLESS
+   help
+ This option enables device driver support for the haptic controlled
+ by regulator. This driver supports ff-memless interface
+ from input framework.
+
+ To compile this driver as a module, choose M here: the
+ module will be called regulator-haptic.
+
  config INPUT_RETU_PWRBUTTON
 tristate Retu Power button Driver
 depends on MFD_RETU
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 19c7603..1f135af 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -53,6 +53,7 @@ obj-$(CONFIG_INPUT_PMIC8XXX_PWRKEY)   += pmic8xxx-pwrkey.o
  obj-$(CONFIG_INPUT_POWERMATE)  += powermate.o
  obj-$(CONFIG_INPUT_PWM_BEEPER) += pwm-beeper.o
  obj-$(CONFIG_INPUT_RB532_BUTTON)   += rb532_button.o
+obj-$(CONFIG_INPUT_REGULATOR_HAPTIC)   += regulator-haptic.o
  obj-$(CONFIG_INPUT_RETU_PWRBUTTON) += retu-pwrbutton.o
  obj-$(CONFIG_INPUT_GPIO_ROTARY_ENCODER)+= rotary_encoder.o
  obj-$(CONFIG_INPUT_SGI_BTNS)   += sgi_btns.o
diff --git a/drivers/input/misc/regulator-haptic.c 
b/drivers/input/misc/regulator-haptic.c
new file mode 100644
index 000..1a83ecb
--- /dev/null
+++ b/drivers/input/misc/regulator-haptic.c
@@ -0,0 +1,241 @@
+/*
+ * Regulator haptic driver
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Author: Jaewon Kim jaewon02@samsung.com
+ * Author: Hyunhee Kim hyunhee@samsung.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include linux/module.h
+#include linux/platform_device.h
+#include linux/input.h
+#include linux/slab.h
+#include linux/regulator/consumer.h
+#include linux/of.h
+
+#define MAX_MAGNITUDE_SHIFT16
+
+struct regulator_haptic {
+   struct device *dev;
+   struct input_dev *input_dev;
+   struct regulator *regulator;
+   struct work_struct work;
+
+   bool enabled;
+   bool suspend_state;
+   unsigned int max_volt;
+   unsigned int min_volt;
+   unsigned int intensity;
+   unsigned int magnitude;
+};
+
+static void regulator_haptic_enable(struct regulator_haptic *haptic)
+{
+   int error;
+
+   if (haptic-enabled)
+   return;
+
+   error = regulator_enable(haptic-regulator);
+   if (error) {
+   dev_err(haptic-dev, cannot enable regulator\n);
+   return

Re: [PATCH 1/2] Input: add regulator haptic driver

[Jaewon Kim]

Hi Dan,

2014년 11월 21일 00:09에 Dan Murphy 이(가) 쓴 글:

Hi

On 11/20/2014 08:33 AM, Pankaj Dubey wrote:

Hi Jaewon,

On 20 November 2014 19:01, Jaewon Kim jaewon02@samsung.com wrote:

This patch adds support for haptic driver controlled by
voltage of regulator. And this driver support for
Force Feedback interface from input framework

Signed-off-by: Jaewon Kim jaewon02@samsung.com
Signed-off-by: Hyunhee Kim hyunhee@samsung.com
Acked-by: Kyungmin Park kyungmin.p...@samsung.com
---
  .../devicetree/bindings/input/regulator-haptic.txt |   24 ++
  drivers/input/misc/Kconfig |   11 +
  drivers/input/misc/Makefile|1 +
  drivers/input/misc/regulator-haptic.c  |  241 
  4 files changed, 277 insertions(+)
  create mode 100644 
Documentation/devicetree/bindings/input/regulator-haptic.txt
  create mode 100644 drivers/input/misc/regulator-haptic.c

diff --git a/Documentation/devicetree/bindings/input/regulator-haptic.txt 
b/Documentation/devicetree/bindings/input/regulator-haptic.txt
new file mode 100644
index 000..9f60e17
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/regulator-haptic.txt
@@ -0,0 +1,24 @@
+* Requlator Haptic Device Tree Bindings
+
+The regulator haptic driver controlled by voltage of regulator.
+This driver implemented via Force Feedback interface.
+
+Required Properties:
+ - compatible : Should be regulator-haptic
+ - haptic-supply : Power supply for the haptic motor.
+   [*] refer Documentation/devicetree/bindings/regulator/regulator.txt
+
+ - max-microvolt : The maximum voltage value supplied to haptic motor.
+   [The unit of the voltage is a micro]
+
+ - min-microvolt : The minimum voltage value in which haptic motor reacts.
+   [The unit of the voltage is a micro]
+
+Example:
+
+   regulator-haptic {

Should this be more about the function and not the driver name?
Somehting like

haptics {

Yes, haptics is better than driver name.




+   compatible = regulator-haptic;
+   haptic-supply = motor_regulator;
+   max-microvolt = 270;
+   min-microvolt = 110;
+   };
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 23297ab..e5e556d 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -394,6 +394,17 @@ config INPUT_CM109
   To compile this driver as a module, choose M here: the module will be
   called cm109.

+config INPUT_REGULATOR_HAPTIC
+   tristate regulator haptics support
+   select INPUT_FF_MEMLESS
+   help
+ This option enables device driver support for the haptic controlled
+ by regulator. This driver supports ff-memless interface
+ from input framework.
+
+ To compile this driver as a module, choose M here: the
+ module will be called regulator-haptic.
+
  config INPUT_RETU_PWRBUTTON
 tristate Retu Power button Driver
 depends on MFD_RETU
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index 19c7603..1f135af 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -53,6 +53,7 @@ obj-$(CONFIG_INPUT_PMIC8XXX_PWRKEY)   += pmic8xxx-pwrkey.o
  obj-$(CONFIG_INPUT_POWERMATE)  += powermate.o
  obj-$(CONFIG_INPUT_PWM_BEEPER) += pwm-beeper.o
  obj-$(CONFIG_INPUT_RB532_BUTTON)   += rb532_button.o
+obj-$(CONFIG_INPUT_REGULATOR_HAPTIC)   += regulator-haptic.o
  obj-$(CONFIG_INPUT_RETU_PWRBUTTON) += retu-pwrbutton.o
  obj-$(CONFIG_INPUT_GPIO_ROTARY_ENCODER)+= rotary_encoder.o
  obj-$(CONFIG_INPUT_SGI_BTNS)   += sgi_btns.o
diff --git a/drivers/input/misc/regulator-haptic.c 
b/drivers/input/misc/regulator-haptic.c
new file mode 100644
index 000..1a83ecb
--- /dev/null
+++ b/drivers/input/misc/regulator-haptic.c
@@ -0,0 +1,241 @@
+/*
+ * Regulator haptic driver
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Author: Jaewon Kim jaewon02@samsung.com
+ * Author: Hyunhee Kim hyunhee@samsung.com
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include linux/module.h
+#include linux/platform_device.h
+#include linux/input.h
+#include linux/slab.h
+#include linux/regulator/consumer.h
+#include linux/of.h
+
+#define MAX_MAGNITUDE_SHIFT16
+
+struct regulator_haptic {
+   struct device *dev;
+   struct input_dev *input_dev;
+   struct regulator *regulator;
+   struct work_struct work;
+
+   bool enabled;
+   bool suspend_state;

I don't understand what you are tracking here.  You only set it and unset
this value but never do any checking


+   unsigned int max_volt;
+   unsigned int min_volt;
+   unsigned int intensity;
+   unsigned int magnitude;
+};
+
+static void

Re: [PATCH] drivers: phy: exynos-usb2: add support for Exynos 3250

[Jaewon Kim]

 exynos4210_usb2_phy_config;
  extern const struct samsung_usb2_phy_config exynos4x12_usb2_phy_config;
  extern const struct samsung_usb2_phy_config exynos5250_usb2_phy_config;

It works fine in rinato 3250 boards.
but, some property is not right, in my thought.

thanks,
Jaewon Kim.
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[PATCH v2] ARM: dts: exynos4: fix pwm-cells in pwm node

[Jaewon Kim]

pwm-cells should be 3. Third cell is optional PWM flags. And This flag
supported by this binding is PWM_POLARITY_INVERTED.

Signed-off-by: Jaewon Kim jaewon02@samsung.com
---

Changes in v2:
 - Remove unnecessary handle.

 arch/arm/boot/dts/exynos4.dtsi |2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/exynos4.dtsi b/arch/arm/boot/dts/exynos4.dtsi
index b8ece4b..e118356 100644
--- a/arch/arm/boot/dts/exynos4.dtsi
+++ b/arch/arm/boot/dts/exynos4.dtsi
@@ -554,7 +554,7 @@
interrupts = 0 37 0, 0 38 0, 0 39 0, 0 40 0, 0 41 0;
clocks = clock CLK_PWM;
clock-names = timers;
-   #pwm-cells = 2;
+   #pwm-cells = 3;
status = disabled;
};
 
-- 
1.7.9.5

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[PATCH] ARM: dts: exynos4: fix pwm-cells in pwm node

[Jaewon Kim]

pwm-cells should be 3. Third cell is optional PWM flags.
And This flag supported by this binding is PWM_POLARITY_INVERTED

Signed-off-by: Jaewon Kim jaewon02@samsung.com
---
 arch/arm/boot/dts/exynos4.dtsi |4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/exynos4.dtsi b/arch/arm/boot/dts/exynos4.dtsi
index b8ece4b..b687e53 100644
--- a/arch/arm/boot/dts/exynos4.dtsi
+++ b/arch/arm/boot/dts/exynos4.dtsi
@@ -548,13 +548,13 @@
status = disabled;
};
 
-   pwm@139D {
+   pwm: pwm@139D {
compatible = samsung,exynos4210-pwm;
reg = 0x139D 0x1000;
interrupts = 0 37 0, 0 38 0, 0 39 0, 0 40 0, 0 41 0;
clocks = clock CLK_PWM;
clock-names = timers;
-   #pwm-cells = 2;
+   #pwm-cells = 3;
status = disabled;
};
 
-- 
1.7.9.5

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