Re: [RFC PATCH 03/10] i2c: mmc: add nexell driver (gpio, i2c, mmc, pwm)
Hello Stefan,
Am 20.02.2020 um 18:49 schrieb Stefan B.:
Hello Heiko,
see below my feedback, please give me further advise where indicated.
Unfortunately there have been some Bugs in the i2c-driver and I learned that this driver has not
been used at all ("i2c-gpio" has been used instead). So I have done several Bugfixes and
improvements appart from your proposals.
Regards
Stefan
Am 04.02.20 um 07:58 schrieb Heiko Schocher:
Hello Stefan,
Am 03.02.2020 um 21:40 schrieb Stefan Bosch:
Changes in relation to FriendlyARM's U-Boot nanopi2-v2016.01:
- i2c/nx_i2c.c: Some adaptions mainly because of changes in
"struct udevice".
- mmc: nexell_dw_mmc.c changed to nexell_dw_mmc_dm.c (switched to DM).
Signed-off-by: Stefan Bosch
---
drivers/gpio/Kconfig | 9 +
drivers/gpio/Makefile | 1 +
drivers/gpio/nx_gpio.c | 252 +++
drivers/i2c/Kconfig | 9 +
drivers/i2c/Makefile | 1 +
drivers/i2c/nx_i2c.c | 537 +
drivers/mmc/Kconfig | 6 +
drivers/mmc/Makefile | 1 +
drivers/mmc/nexell_dw_mmc_dm.c | 350 +++
drivers/pwm/Makefile | 1 +
drivers/pwm/pwm-nexell.c | 252 +++
drivers/pwm/pwm-nexell.h | 54 +
Could you please split this patch into 4 parts (i2c, gpio, mmc and
pwm) ?
Thanks!
Ok, I will split this patch.
Thanks!
12 files changed, 1473 insertions(+)
create mode 100644 drivers/gpio/nx_gpio.c
create mode 100644 drivers/i2c/nx_i2c.c
create mode 100644 drivers/mmc/nexell_dw_mmc_dm.c
create mode 100644 drivers/pwm/pwm-nexell.c
create mode 100644 drivers/pwm/pwm-nexell.h
[...]
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 449046b..e3340de 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -65,3 +65,4 @@ obj-$(CONFIG_PM8916_GPIO) += pm8916_gpio.o
obj-$(CONFIG_MT7621_GPIO) += mt7621_gpio.o
obj-$(CONFIG_MSCC_SGPIO) += mscc_sgpio.o
obj-$(CONFIG_SIFIVE_GPIO) += sifive-gpio.o
+obj-$(CONFIG_NX_GPIO) += nx_gpio.o
Please keep lists sorted.
The list is not sorted (at least in no alphabetical order), but I can e.g. move "... += nx_gpio.o"
one line up?
Find for me.
diff --git a/drivers/gpio/nx_gpio.c b/drivers/gpio/nx_gpio.c
new file mode 100644
index 000..86472f6
--- /dev/null
+++ b/drivers/gpio/nx_gpio.c
@@ -0,0 +1,252 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2016 Nexell
+ * DeokJin, Lee
+ */
+
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct nx_gpio_regs {
+ u32 data; /* Data register */
+ u32 outputenb; /* Output Enable register */
+ u32 detmode[2]; /* Detect Mode Register */
+ u32 intenb; /* Interrupt Enable Register */
+ u32 det; /* Event Detect Register */
+ u32 pad; /* Pad Status Register */
+};
+
+struct nx_alive_gpio_regs {
+ u32 pwrgate; /* Power Gating Register */
+ u32 reserved0[28]; /* Reserved0 */
+ u32 outputenb_reset;/* Alive GPIO Output Enable Reset Register */
+ u32 outputenb; /* Alive GPIO Output Enable Register */
+ u32 outputenb_read; /* Alive GPIO Output Read Register */
+ u32 reserved1[3]; /* Reserved1 */
+ u32 pad_reset; /* Alive GPIO Output Reset Register */
+ u32 data; /* Alive GPIO Output Register */
+ u32 pad_read; /* Alive GPIO Pad Read Register */
+ u32 reserved2[33]; /* Reserved2 */
+ u32 pad; /* Alive GPIO Input Value Register */
+};
+
+struct nx_gpio_platdata {
+ void *regs;
+ int gpio_count;
+ const char *bank_name;
+};
+
+static int nx_alive_gpio_is_check(struct udevice *dev)
+{
+ struct nx_gpio_platdata *plat = dev_get_platdata(dev);
+ const char *bank_name = plat->bank_name;
+
+ if (!strcmp(bank_name, "gpio_alv"))
+ return 1;
+
+ return 0;
+}
+
+static int nx_alive_gpio_direction_input(struct udevice *dev, unsigned int pin)
+{
+ struct nx_gpio_platdata *plat = dev_get_platdata(dev);
+ struct nx_alive_gpio_regs *const regs = plat->regs;
+
+ setbits_le32(>outputenb_reset, 1 << pin);
+
+ return 0;
+}
+
+static int nx_alive_gpio_direction_output(struct udevice *dev, unsigned int
pin,
+ int val)
+{
+ struct nx_gpio_platdata *plat = dev_get_platdata(dev);
+ struct nx_alive_gpio_regs *const regs = plat->regs;
+
+ if (val)
+ setbits_le32(>data, 1 << pin);
+ else
+ setbits_le32(>pad_reset, 1 << pin);
+
+ setbits_le32(>outputenb, 1 << pin);
+
+ return 0;
+}
+
+static int nx_alive_gpio_get_value(struct udevice *dev, unsigned int pin)
+{
+ struct nx_gpio_platdata *plat = dev_get_platdata(dev);
+ struct nx_alive_gpio_regs *const regs = plat->regs;
+ unsigned int mask = 1UL << pin;
+ unsigned int value;
+
+ value =
Re: [RFC PATCH 03/10] i2c: mmc: add nexell driver (gpio, i2c, mmc, pwm)
Hello Heiko,
see below my feedback, please give me further advise where indicated.
Unfortunately there have been some Bugs in the i2c-driver and I learned
that this driver has not been used at all ("i2c-gpio" has been used
instead). So I have done several Bugfixes and improvements appart from
your proposals.
Regards
Stefan
Am 04.02.20 um 07:58 schrieb Heiko Schocher:
Hello Stefan,
Am 03.02.2020 um 21:40 schrieb Stefan Bosch:
Changes in relation to FriendlyARM's U-Boot nanopi2-v2016.01:
- i2c/nx_i2c.c: Some adaptions mainly because of changes in
"struct udevice".
- mmc: nexell_dw_mmc.c changed to nexell_dw_mmc_dm.c (switched to DM).
Signed-off-by: Stefan Bosch
---
drivers/gpio/Kconfig | 9 +
drivers/gpio/Makefile | 1 +
drivers/gpio/nx_gpio.c | 252 +++
drivers/i2c/Kconfig | 9 +
drivers/i2c/Makefile | 1 +
drivers/i2c/nx_i2c.c | 537
+
drivers/mmc/Kconfig | 6 +
drivers/mmc/Makefile | 1 +
drivers/mmc/nexell_dw_mmc_dm.c | 350 +++
drivers/pwm/Makefile | 1 +
drivers/pwm/pwm-nexell.c | 252 +++
drivers/pwm/pwm-nexell.h | 54 +
Could you please split this patch into 4 parts (i2c, gpio, mmc and
pwm) ?
Thanks!
Ok, I will split this patch.
12 files changed, 1473 insertions(+)
create mode 100644 drivers/gpio/nx_gpio.c
create mode 100644 drivers/i2c/nx_i2c.c
create mode 100644 drivers/mmc/nexell_dw_mmc_dm.c
create mode 100644 drivers/pwm/pwm-nexell.c
create mode 100644 drivers/pwm/pwm-nexell.h
[...]
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 449046b..e3340de 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -65,3 +65,4 @@ obj-$(CONFIG_PM8916_GPIO) += pm8916_gpio.o
obj-$(CONFIG_MT7621_GPIO) += mt7621_gpio.o
obj-$(CONFIG_MSCC_SGPIO) += mscc_sgpio.o
obj-$(CONFIG_SIFIVE_GPIO) += sifive-gpio.o
+obj-$(CONFIG_NX_GPIO) += nx_gpio.o
Please keep lists sorted.
The list is not sorted (at least in no alphabetical order), but I can
e.g. move "... += nx_gpio.o" one line up?
diff --git a/drivers/gpio/nx_gpio.c b/drivers/gpio/nx_gpio.c
new file mode 100644
index 000..86472f6
--- /dev/null
+++ b/drivers/gpio/nx_gpio.c
@@ -0,0 +1,252 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2016 Nexell
+ * DeokJin, Lee
+ */
+
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct nx_gpio_regs {
+ u32 data; /* Data register */
+ u32 outputenb; /* Output Enable register */
+ u32 detmode[2]; /* Detect Mode Register */
+ u32 intenb; /* Interrupt Enable Register */
+ u32 det; /* Event Detect Register */
+ u32 pad; /* Pad Status Register */
+};
+
+struct nx_alive_gpio_regs {
+ u32 pwrgate; /* Power Gating Register */
+ u32 reserved0[28]; /* Reserved0 */
+ u32 outputenb_reset;/* Alive GPIO Output Enable Reset Register */
+ u32 outputenb; /* Alive GPIO Output Enable Register */
+ u32 outputenb_read; /* Alive GPIO Output Read Register */
+ u32 reserved1[3]; /* Reserved1 */
+ u32 pad_reset; /* Alive GPIO Output Reset Register */
+ u32 data; /* Alive GPIO Output Register */
+ u32 pad_read; /* Alive GPIO Pad Read Register */
+ u32 reserved2[33]; /* Reserved2 */
+ u32 pad; /* Alive GPIO Input Value Register */
+};
+
+struct nx_gpio_platdata {
+ void *regs;
+ int gpio_count;
+ const char *bank_name;
+};
+
+static int nx_alive_gpio_is_check(struct udevice *dev)
+{
+ struct nx_gpio_platdata *plat = dev_get_platdata(dev);
+ const char *bank_name = plat->bank_name;
+
+ if (!strcmp(bank_name, "gpio_alv"))
+ return 1;
+
+ return 0;
+}
+
+static int nx_alive_gpio_direction_input(struct udevice *dev,
unsigned int pin)
+{
+ struct nx_gpio_platdata *plat = dev_get_platdata(dev);
+ struct nx_alive_gpio_regs *const regs = plat->regs;
+
+ setbits_le32(>outputenb_reset, 1 << pin);
+
+ return 0;
+}
+
+static int nx_alive_gpio_direction_output(struct udevice *dev,
unsigned int pin,
+ int val)
+{
+ struct nx_gpio_platdata *plat = dev_get_platdata(dev);
+ struct nx_alive_gpio_regs *const regs = plat->regs;
+
+ if (val)
+ setbits_le32(>data, 1 << pin);
+ else
+ setbits_le32(>pad_reset, 1 << pin);
+
+ setbits_le32(>outputenb, 1 << pin);
+
+ return 0;
+}
+
+static int nx_alive_gpio_get_value(struct udevice *dev, unsigned int
pin)
+{
+ struct nx_gpio_platdata *plat = dev_get_platdata(dev);
+ struct nx_alive_gpio_regs *const regs = plat->regs;
+ unsigned int mask = 1UL << pin;
+ unsigned int value;
+
+ value = (readl(>pad_read) & mask) >> pin;
+
+ return value;
+}
+
+static int
Re: [RFC PATCH 03/10] i2c: mmc: add nexell driver (gpio, i2c, mmc, pwm)
Hello Heiko,
thanks a lot for your annotations and suggestions. I will have a look at
them and give you feedback ASAP.
Regards
Stefan
Am 04.02.20 um 07:58 schrieb Heiko Schocher:
Hello Stefan,
Am 03.02.2020 um 21:40 schrieb Stefan Bosch:
Changes in relation to FriendlyARM's U-Boot nanopi2-v2016.01:
- i2c/nx_i2c.c: Some adaptions mainly because of changes in
"struct udevice".
- mmc: nexell_dw_mmc.c changed to nexell_dw_mmc_dm.c (switched to DM).
Signed-off-by: Stefan Bosch
---
drivers/gpio/Kconfig | 9 +
drivers/gpio/Makefile | 1 +
drivers/gpio/nx_gpio.c | 252 +++
drivers/i2c/Kconfig | 9 +
drivers/i2c/Makefile | 1 +
drivers/i2c/nx_i2c.c | 537
+
drivers/mmc/Kconfig | 6 +
drivers/mmc/Makefile | 1 +
drivers/mmc/nexell_dw_mmc_dm.c | 350 +++
drivers/pwm/Makefile | 1 +
drivers/pwm/pwm-nexell.c | 252 +++
drivers/pwm/pwm-nexell.h | 54 +
Could you please split this patch into 4 parts (i2c, gpio, mmc and
pwm) ?
Thanks!
12 files changed, 1473 insertions(+)
create mode 100644 drivers/gpio/nx_gpio.c
create mode 100644 drivers/i2c/nx_i2c.c
create mode 100644 drivers/mmc/nexell_dw_mmc_dm.c
create mode 100644 drivers/pwm/pwm-nexell.c
create mode 100644 drivers/pwm/pwm-nexell.h
[...]
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 449046b..e3340de 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -65,3 +65,4 @@ obj-$(CONFIG_PM8916_GPIO) += pm8916_gpio.o
obj-$(CONFIG_MT7621_GPIO) += mt7621_gpio.o
obj-$(CONFIG_MSCC_SGPIO) += mscc_sgpio.o
obj-$(CONFIG_SIFIVE_GPIO) += sifive-gpio.o
+obj-$(CONFIG_NX_GPIO) += nx_gpio.o
Please keep lists sorted.
diff --git a/drivers/gpio/nx_gpio.c b/drivers/gpio/nx_gpio.c
new file mode 100644
index 000..86472f6
--- /dev/null
+++ b/drivers/gpio/nx_gpio.c
@@ -0,0 +1,252 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2016 Nexell
+ * DeokJin, Lee
+ */
+
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct nx_gpio_regs {
+ u32 data; /* Data register */
+ u32 outputenb; /* Output Enable register */
+ u32 detmode[2]; /* Detect Mode Register */
+ u32 intenb; /* Interrupt Enable Register */
+ u32 det; /* Event Detect Register */
+ u32 pad; /* Pad Status Register */
+};
+
+struct nx_alive_gpio_regs {
+ u32 pwrgate; /* Power Gating Register */
+ u32 reserved0[28]; /* Reserved0 */
+ u32 outputenb_reset;/* Alive GPIO Output Enable Reset Register */
+ u32 outputenb; /* Alive GPIO Output Enable Register */
+ u32 outputenb_read; /* Alive GPIO Output Read Register */
+ u32 reserved1[3]; /* Reserved1 */
+ u32 pad_reset; /* Alive GPIO Output Reset Register */
+ u32 data; /* Alive GPIO Output Register */
+ u32 pad_read; /* Alive GPIO Pad Read Register */
+ u32 reserved2[33]; /* Reserved2 */
+ u32 pad; /* Alive GPIO Input Value Register */
+};
+
+struct nx_gpio_platdata {
+ void *regs;
+ int gpio_count;
+ const char *bank_name;
+};
+
+static int nx_alive_gpio_is_check(struct udevice *dev)
+{
+ struct nx_gpio_platdata *plat = dev_get_platdata(dev);
+ const char *bank_name = plat->bank_name;
+
+ if (!strcmp(bank_name, "gpio_alv"))
+ return 1;
+
+ return 0;
+}
+
+static int nx_alive_gpio_direction_input(struct udevice *dev,
unsigned int pin)
+{
+ struct nx_gpio_platdata *plat = dev_get_platdata(dev);
+ struct nx_alive_gpio_regs *const regs = plat->regs;
+
+ setbits_le32(>outputenb_reset, 1 << pin);
+
+ return 0;
+}
+
+static int nx_alive_gpio_direction_output(struct udevice *dev,
unsigned int pin,
+ int val)
+{
+ struct nx_gpio_platdata *plat = dev_get_platdata(dev);
+ struct nx_alive_gpio_regs *const regs = plat->regs;
+
+ if (val)
+ setbits_le32(>data, 1 << pin);
+ else
+ setbits_le32(>pad_reset, 1 << pin);
+
+ setbits_le32(>outputenb, 1 << pin);
+
+ return 0;
+}
+
+static int nx_alive_gpio_get_value(struct udevice *dev, unsigned int
pin)
+{
+ struct nx_gpio_platdata *plat = dev_get_platdata(dev);
+ struct nx_alive_gpio_regs *const regs = plat->regs;
+ unsigned int mask = 1UL << pin;
+ unsigned int value;
+
+ value = (readl(>pad_read) & mask) >> pin;
+
+ return value;
+}
+
+static int nx_alive_gpio_set_value(struct udevice *dev, unsigned int
pin,
+ int val)
+{
+ struct nx_gpio_platdata *plat = dev_get_platdata(dev);
+ struct nx_alive_gpio_regs *const regs = plat->regs;
+
+ if (val)
+ setbits_le32(>data, 1 << pin);
+ else
+ clrbits_le32(>pad_reset, 1 << pin);
+
+ return 0;
Re: [RFC PATCH 03/10] i2c: mmc: add nexell driver (gpio, i2c, mmc, pwm)
Hello Stefan,
Am 03.02.2020 um 21:40 schrieb Stefan Bosch:
Changes in relation to FriendlyARM's U-Boot nanopi2-v2016.01:
- i2c/nx_i2c.c: Some adaptions mainly because of changes in
"struct udevice".
- mmc: nexell_dw_mmc.c changed to nexell_dw_mmc_dm.c (switched to DM).
Signed-off-by: Stefan Bosch
---
drivers/gpio/Kconfig | 9 +
drivers/gpio/Makefile | 1 +
drivers/gpio/nx_gpio.c | 252 +++
drivers/i2c/Kconfig| 9 +
drivers/i2c/Makefile | 1 +
drivers/i2c/nx_i2c.c | 537 +
drivers/mmc/Kconfig| 6 +
drivers/mmc/Makefile | 1 +
drivers/mmc/nexell_dw_mmc_dm.c | 350 +++
drivers/pwm/Makefile | 1 +
drivers/pwm/pwm-nexell.c | 252 +++
drivers/pwm/pwm-nexell.h | 54 +
Could you please split this patch into 4 parts (i2c, gpio, mmc and
pwm) ?
Thanks!
12 files changed, 1473 insertions(+)
create mode 100644 drivers/gpio/nx_gpio.c
create mode 100644 drivers/i2c/nx_i2c.c
create mode 100644 drivers/mmc/nexell_dw_mmc_dm.c
create mode 100644 drivers/pwm/pwm-nexell.c
create mode 100644 drivers/pwm/pwm-nexell.h
[...]
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 449046b..e3340de 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -65,3 +65,4 @@ obj-$(CONFIG_PM8916_GPIO) += pm8916_gpio.o
obj-$(CONFIG_MT7621_GPIO) += mt7621_gpio.o
obj-$(CONFIG_MSCC_SGPIO) += mscc_sgpio.o
obj-$(CONFIG_SIFIVE_GPIO) += sifive-gpio.o
+obj-$(CONFIG_NX_GPIO) += nx_gpio.o
Please keep lists sorted.
diff --git a/drivers/gpio/nx_gpio.c b/drivers/gpio/nx_gpio.c
new file mode 100644
index 000..86472f6
--- /dev/null
+++ b/drivers/gpio/nx_gpio.c
@@ -0,0 +1,252 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2016 Nexell
+ * DeokJin, Lee
+ */
+
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct nx_gpio_regs {
+ u32 data; /* Data register */
+ u32 outputenb; /* Output Enable register */
+ u32 detmode[2]; /* Detect Mode Register */
+ u32 intenb; /* Interrupt Enable Register */
+ u32 det;/* Event Detect Register */
+ u32 pad;/* Pad Status Register */
+};
+
+struct nx_alive_gpio_regs {
+ u32 pwrgate;/* Power Gating Register */
+ u32 reserved0[28]; /* Reserved0 */
+ u32 outputenb_reset;/* Alive GPIO Output Enable Reset Register */
+ u32 outputenb; /* Alive GPIO Output Enable Register */
+ u32 outputenb_read; /* Alive GPIO Output Read Register */
+ u32 reserved1[3]; /* Reserved1 */
+ u32 pad_reset; /* Alive GPIO Output Reset Register */
+ u32 data; /* Alive GPIO Output Register */
+ u32 pad_read; /* Alive GPIO Pad Read Register */
+ u32 reserved2[33]; /* Reserved2 */
+ u32 pad;/* Alive GPIO Input Value Register */
+};
+
+struct nx_gpio_platdata {
+ void *regs;
+ int gpio_count;
+ const char *bank_name;
+};
+
+static int nx_alive_gpio_is_check(struct udevice *dev)
+{
+ struct nx_gpio_platdata *plat = dev_get_platdata(dev);
+ const char *bank_name = plat->bank_name;
+
+ if (!strcmp(bank_name, "gpio_alv"))
+ return 1;
+
+ return 0;
+}
+
+static int nx_alive_gpio_direction_input(struct udevice *dev, unsigned int pin)
+{
+ struct nx_gpio_platdata *plat = dev_get_platdata(dev);
+ struct nx_alive_gpio_regs *const regs = plat->regs;
+
+ setbits_le32(>outputenb_reset, 1 << pin);
+
+ return 0;
+}
+
+static int nx_alive_gpio_direction_output(struct udevice *dev, unsigned int
pin,
+ int val)
+{
+ struct nx_gpio_platdata *plat = dev_get_platdata(dev);
+ struct nx_alive_gpio_regs *const regs = plat->regs;
+
+ if (val)
+ setbits_le32(>data, 1 << pin);
+ else
+ setbits_le32(>pad_reset, 1 << pin);
+
+ setbits_le32(>outputenb, 1 << pin);
+
+ return 0;
+}
+
+static int nx_alive_gpio_get_value(struct udevice *dev, unsigned int pin)
+{
+ struct nx_gpio_platdata *plat = dev_get_platdata(dev);
+ struct nx_alive_gpio_regs *const regs = plat->regs;
+ unsigned int mask = 1UL << pin;
+ unsigned int value;
+
+ value = (readl(>pad_read) & mask) >> pin;
+
+ return value;
+}
+
+static int nx_alive_gpio_set_value(struct udevice *dev, unsigned int pin,
+ int val)
+{
+ struct nx_gpio_platdata *plat = dev_get_platdata(dev);
+ struct nx_alive_gpio_regs *const regs = plat->regs;
+
+ if (val)
+ setbits_le32(>data, 1 << pin);
+ else
+
[RFC PATCH 03/10] i2c: mmc: add nexell driver (gpio, i2c, mmc, pwm)
Changes in relation to FriendlyARM's U-Boot nanopi2-v2016.01:
- i2c/nx_i2c.c: Some adaptions mainly because of changes in
"struct udevice".
- mmc: nexell_dw_mmc.c changed to nexell_dw_mmc_dm.c (switched to DM).
Signed-off-by: Stefan Bosch
---
drivers/gpio/Kconfig | 9 +
drivers/gpio/Makefile | 1 +
drivers/gpio/nx_gpio.c | 252 +++
drivers/i2c/Kconfig| 9 +
drivers/i2c/Makefile | 1 +
drivers/i2c/nx_i2c.c | 537 +
drivers/mmc/Kconfig| 6 +
drivers/mmc/Makefile | 1 +
drivers/mmc/nexell_dw_mmc_dm.c | 350 +++
drivers/pwm/Makefile | 1 +
drivers/pwm/pwm-nexell.c | 252 +++
drivers/pwm/pwm-nexell.h | 54 +
12 files changed, 1473 insertions(+)
create mode 100644 drivers/gpio/nx_gpio.c
create mode 100644 drivers/i2c/nx_i2c.c
create mode 100644 drivers/mmc/nexell_dw_mmc_dm.c
create mode 100644 drivers/pwm/pwm-nexell.c
create mode 100644 drivers/pwm/pwm-nexell.h
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 1de6f52..febda89 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -421,4 +421,13 @@ config MT7621_GPIO
help
Say yes here to support MediaTek MT7621 compatible GPIOs.
+config NX_GPIO
+ bool "Nexell GPIO driver"
+ depends on DM_GPIO
+ help
+ Support GPIO access on Nexell SoCs. The GPIOs are arranged into
+ a number of banks (different for each SoC type) each with 32 GPIOs.
+ The GPIOs for a device are defined in the device tree with one node
+ for each bank.
+
endmenu
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 449046b..e3340de 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -65,3 +65,4 @@ obj-$(CONFIG_PM8916_GPIO) += pm8916_gpio.o
obj-$(CONFIG_MT7621_GPIO) += mt7621_gpio.o
obj-$(CONFIG_MSCC_SGPIO) += mscc_sgpio.o
obj-$(CONFIG_SIFIVE_GPIO) += sifive-gpio.o
+obj-$(CONFIG_NX_GPIO) += nx_gpio.o
diff --git a/drivers/gpio/nx_gpio.c b/drivers/gpio/nx_gpio.c
new file mode 100644
index 000..86472f6
--- /dev/null
+++ b/drivers/gpio/nx_gpio.c
@@ -0,0 +1,252 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2016 Nexell
+ * DeokJin, Lee
+ */
+
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct nx_gpio_regs {
+ u32 data; /* Data register */
+ u32 outputenb; /* Output Enable register */
+ u32 detmode[2]; /* Detect Mode Register */
+ u32 intenb; /* Interrupt Enable Register */
+ u32 det;/* Event Detect Register */
+ u32 pad;/* Pad Status Register */
+};
+
+struct nx_alive_gpio_regs {
+ u32 pwrgate;/* Power Gating Register */
+ u32 reserved0[28]; /* Reserved0 */
+ u32 outputenb_reset;/* Alive GPIO Output Enable Reset Register */
+ u32 outputenb; /* Alive GPIO Output Enable Register */
+ u32 outputenb_read; /* Alive GPIO Output Read Register */
+ u32 reserved1[3]; /* Reserved1 */
+ u32 pad_reset; /* Alive GPIO Output Reset Register */
+ u32 data; /* Alive GPIO Output Register */
+ u32 pad_read; /* Alive GPIO Pad Read Register */
+ u32 reserved2[33]; /* Reserved2 */
+ u32 pad;/* Alive GPIO Input Value Register */
+};
+
+struct nx_gpio_platdata {
+ void *regs;
+ int gpio_count;
+ const char *bank_name;
+};
+
+static int nx_alive_gpio_is_check(struct udevice *dev)
+{
+ struct nx_gpio_platdata *plat = dev_get_platdata(dev);
+ const char *bank_name = plat->bank_name;
+
+ if (!strcmp(bank_name, "gpio_alv"))
+ return 1;
+
+ return 0;
+}
+
+static int nx_alive_gpio_direction_input(struct udevice *dev, unsigned int pin)
+{
+ struct nx_gpio_platdata *plat = dev_get_platdata(dev);
+ struct nx_alive_gpio_regs *const regs = plat->regs;
+
+ setbits_le32(>outputenb_reset, 1 << pin);
+
+ return 0;
+}
+
+static int nx_alive_gpio_direction_output(struct udevice *dev, unsigned int
pin,
+ int val)
+{
+ struct nx_gpio_platdata *plat = dev_get_platdata(dev);
+ struct nx_alive_gpio_regs *const regs = plat->regs;
+
+ if (val)
+ setbits_le32(>data, 1 << pin);
+ else
+ setbits_le32(>pad_reset, 1 << pin);
+
+ setbits_le32(>outputenb, 1 << pin);
+
+ return 0;
+}
+
+static int nx_alive_gpio_get_value(struct udevice *dev, unsigned int pin)
+{
+ struct nx_gpio_platdata *plat = dev_get_platdata(dev);
+ struct nx_alive_gpio_regs *const regs = plat->regs;
+ unsigned int mask = 1UL << pin;
+ unsigned int value;
+
+
