Re: [PATCH V3 1/2] ARM: dts: Add DT changes for display on snow

2014-09-13 Thread Kukjin Kim 

On 09/01/14 19:36, Ajay Kumar wrote:

Add DT nodes for ptn3460 bridge chip and panel.
Add backlight enable pin and backlight power supply for pwm-backlight.
Also add bridge phandle needed by dp to enable display on snow.

Signed-off-by: Ajay Kumarajaykumar...@samsung.com
---
Changes since V1:
-- Remove simple-panel compatible string.
-- Use GPIO_ACTIVE_HIGH instead of 0.
-- Change panel node naming from panel-simple to panel.

Changes since V2:
-- Use proper compatible string: auo,b116xw03

  arch/arm/boot/dts/exynos5250-snow.dts |   41 ++---
  1 file changed, 22 insertions(+), 19 deletions(-)


Applied this and 2nd one.

BTW, I resolved conflict when I applied. Please check my tree and then 
if any problems, please let me know.


Thanks,
Kukjin
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Re: [PATCH V3 1/2] ARM: dts: Add DT changes for display on snow

2014-09-13 Thread Ajay kumar 
Hi Kukjin,


On Sat, Sep 13, 2014 at 10:52 PM, Kukjin Kim kgene@samsung.com wrote:
 On 09/01/14 19:36, Ajay Kumar wrote:

 Add DT nodes for ptn3460 bridge chip and panel.
 Add backlight enable pin and backlight power supply for pwm-backlight.
 Also add bridge phandle needed by dp to enable display on snow.

 Signed-off-by: Ajay Kumarajaykumar...@samsung.com
 ---
 Changes since V1:
 -- Remove simple-panel compatible string.
 -- Use GPIO_ACTIVE_HIGH instead of 0.
 -- Change panel node naming from panel-simple to panel.

 Changes since V2:
 -- Use proper compatible string: auo,b116xw03

   arch/arm/boot/dts/exynos5250-snow.dts |   41
 ++---
   1 file changed, 22 insertions(+), 19 deletions(-)

 Applied this and 2nd one.

 BTW, I resolved conflict when I applied. Please check my tree and then if
 any problems, please let me know.

This patchset has dependency on driver patches.
But, no harm merging it since DT bindings are almost agreed.

The below patch should be merged ASAP. Because, driver changes are already in
for this patch:
https://www.mail-archive.com/linux-samsung-soc@vger.kernel.org/msg35182.html

Ajay
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[PATCH V3 1/2] ARM: dts: Add DT changes for display on snow

2014-09-01 Thread Ajay Kumar 
Add DT nodes for ptn3460 bridge chip and panel.
Add backlight enable pin and backlight power supply for pwm-backlight.
Also add bridge phandle needed by dp to enable display on snow.

Signed-off-by: Ajay Kumar ajaykumar...@samsung.com
---
Changes since V1:
-- Remove simple-panel compatible string.
-- Use GPIO_ACTIVE_HIGH instead of 0.
-- Change panel node naming from panel-simple to panel.

Changes since V2:
-- Use proper compatible string: auo,b116xw03

 arch/arm/boot/dts/exynos5250-snow.dts |   41 ++---
 1 file changed, 22 insertions(+), 19 deletions(-)

diff --git a/arch/arm/boot/dts/exynos5250-snow.dts 
b/arch/arm/boot/dts/exynos5250-snow.dts
index f2b8c41..1ac9709 100644
--- a/arch/arm/boot/dts/exynos5250-snow.dts
+++ b/arch/arm/boot/dts/exynos5250-snow.dts
@@ -9,6 +9,7 @@
 */
 
 /dts-v1/;
+#include dt-bindings/gpio/gpio.h
 #include exynos5250.dtsi
 #include exynos5250-cros-common.dtsi
 
@@ -181,7 +182,7 @@
dcdc3 {
ti,enable-ext-control;
};
-   fet1 {
+   fet1: fet1 {
regulator-name = vcd_led;
ti,overcurrent-wait = 3;
};
@@ -204,7 +205,7 @@
regulator-always-on;
ti,overcurrent-wait = 3;
};
-   fet6 {
+   fet6: fet6 {
regulator-name = lcd_vdd;
ti,overcurrent-wait = 3;
};
@@ -253,6 +254,15 @@
pinctrl-0 = max98095_en;
pinctrl-names = default;
};
+
+   ptn3460: lvds-bridge@20 {
+   compatible = nxp,ptn3460;
+   reg = 0x20;
+   powerdown-gpios = gpy2 5 GPIO_ACTIVE_HIGH;
+   reset-gpios = gpx1 5 GPIO_ACTIVE_HIGH;
+   edid-emulation = 5;
+   panel = panel;
+   };
};
 
i2s0: i2s@0383 {
@@ -300,11 +310,13 @@
vdd_pll-supply = ldo8_reg;
};
 
-   backlight {
+   backlight: backlight {
compatible = pwm-backlight;
pwms = pwm 0 100 0;
brightness-levels = 0 100 500 1000 1500 2000 2500 2800;
default-brightness-level = 7;
+   enable-gpios = gpx3 0 GPIO_ACTIVE_HIGH;
+   power-supply = fet1;
pinctrl-0 = pwm0_out;
pinctrl-names = default;
};
@@ -314,6 +326,12 @@
samsung,invert-vclk;
};
 
+   panel: panel {
+   compatible = auo,b116xw03;
+   power-supply = fet6;
+   backlight = backlight;
+   };
+
dp-controller@145B {
status = okay;
pinctrl-names = default;
@@ -325,22 +343,7 @@
samsung,link-rate = 0x0a;
samsung,lane-count = 2;
samsung,hpd-gpio = gpx0 7 0;
-
-   display-timings {
-   native-mode = timing1;
-
-   timing1: timing@1 {
-   clock-frequency = 70589280;
-   hactive = 1366;
-   vactive = 768;
-   hfront-porch = 40;
-   hback-porch = 40;
-   hsync-len = 32;
-   vback-porch = 10;
-   vfront-porch = 12;
-   vsync-len = 6;
-   };
-   };
+   bridge = ptn3460;
};
 };
 
-- 
1.7.9.5

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