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-rw-r--r--arch/arm/mach-exynos/Kconfig5
-rw-r--r--arch/arm/mach-exynos/common.c26
-rw-r--r--arch/arm/mach-exynos/mach-origen.c6
-rw-r--r--arch/arm/mach-exynos/mach-smdk4x12.c6
-rw-r--r--arch/arm/mach-exynos/mach-smdkv310.c7
5 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
index b5b4c8c9db11..9abdd5747c22 100644
--- a/arch/arm/mach-exynos/Kconfig
+++ b/arch/arm/mach-exynos/Kconfig
@@ -221,6 +221,7 @@ config MACH_SMDKV310
select EXYNOS4_SETUP_KEYPAD
select EXYNOS4_SETUP_SDHCI
select EXYNOS4_SETUP_USB_PHY
+ select S3C24XX_PWM
help
Machine support for Samsung SMDKV310
@@ -348,6 +349,7 @@ config MACH_ORIGEN
select EXYNOS4_SETUP_FIMD0
select EXYNOS4_SETUP_SDHCI
select EXYNOS4_SETUP_USB_PHY
+ select S3C24XX_PWM
help
Machine support for ORIGEN based on Samsung EXYNOS4210
@@ -383,6 +385,7 @@ config MACH_SMDK4212
select EXYNOS4_SETUP_KEYPAD
select EXYNOS4_SETUP_SDHCI
select EXYNOS4_SETUP_USB_PHY
+ select S3C24XX_PWM
help
Machine support for Samsung SMDK4212
@@ -405,6 +408,8 @@ config MACH_EXYNOS4_DT
select USE_OF
select ARM_AMBA
select HAVE_SAMSUNG_KEYPAD if INPUT_KEYBOARD
+ select PINCTRL
+ select PINCTRL_EXYNOS4
help
Machine support for Samsung Exynos4 machine with device tree enabled.
Select this if a fdt blob is available for the Exynos4 SoC based board.
diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c
index 4eb39cdf75ea..715b690e5009 100644
--- a/arch/arm/mach-exynos/common.c
+++ b/arch/arm/mach-exynos/common.c
@@ -980,6 +980,32 @@ static int __init exynos_init_irq_eint(void)
{
int irq;
+#ifdef CONFIG_PINCTRL_SAMSUNG
+ /*
+ * The Samsung pinctrl driver provides an integrated gpio/pinmux/pinconf
+ * functionality along with support for external gpio and wakeup
+ * interrupts. If the samsung pinctrl driver is enabled and includes
+ * the wakeup interrupt support, then the setting up external wakeup
+ * interrupts here can be skipped. This check here is temporary to
+ * allow exynos4 platforms that do not use Samsung pinctrl driver to
+ * co-exist with platforms that do. When all of the Samsung Exynos4
+ * platforms switch over to using the pinctrl driver, the wakeup
+ * interrupt support code here can be completely removed.
+ */
+ struct device_node *pctrl_np, *wkup_np;
+ const char *pctrl_compat = "samsung,pinctrl-exynos4210";
+ const char *wkup_compat = "samsung,exynos4210-wakeup-eint";
+
+ for_each_compatible_node(pctrl_np, NULL, pctrl_compat) {
+ if (of_device_is_available(pctrl_np)) {
+ wkup_np = of_find_compatible_node(pctrl_np, NULL,
+ wkup_compat);
+ if (wkup_np)
+ return -ENODEV;
+ }
+ }
+#endif
+
if (soc_is_exynos5250())
exynos_eint_base = ioremap(EXYNOS5_PA_GPIO1, SZ_4K);
else
diff --git a/arch/arm/mach-exynos/mach-origen.c b/arch/arm/mach-exynos/mach-origen.c
index 4e574c24581c..b45600fcf73e 100644
--- a/arch/arm/mach-exynos/mach-origen.c
+++ b/arch/arm/mach-exynos/mach-origen.c
@@ -15,6 +15,7 @@
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/input.h>
+#include <linux/pwm.h>
#include <linux/pwm_backlight.h>
#include <linux/gpio_keys.h>
#include <linux/i2c.h>
@@ -614,6 +615,10 @@ static struct platform_device origen_lcd_hv070wsa = {
.dev.platform_data = &origen_lcd_hv070wsa_data,
};
+static struct pwm_lookup origen_pwm_lookup[] = {
+ PWM_LOOKUP("s3c24xx-pwm.0", 0, "pwm-backlight.0", NULL),
+};
+
#ifdef CONFIG_DRM_EXYNOS
static struct exynos_drm_fimd_pdata drm_fimd_pdata = {
.panel = {
@@ -798,6 +803,7 @@ static void __init origen_machine_init(void)
platform_add_devices(origen_devices, ARRAY_SIZE(origen_devices));
+ pwm_add_table(origen_pwm_lookup, ARRAY_SIZE(origen_pwm_lookup));
samsung_bl_set(&origen_bl_gpio_info, &origen_bl_data);
origen_bt_setup();
diff --git a/arch/arm/mach-exynos/mach-smdk4x12.c b/arch/arm/mach-exynos/mach-smdk4x12.c
index b26beb13ebef..81bf59c6f4bf 100644
--- a/arch/arm/mach-exynos/mach-smdk4x12.c
+++ b/arch/arm/mach-exynos/mach-smdk4x12.c
@@ -17,6 +17,7 @@
#include <linux/mfd/max8997.h>
#include <linux/mmc/host.h>
#include <linux/platform_device.h>
+#include <linux/pwm.h>
#include <linux/pwm_backlight.h>
#include <linux/regulator/machine.h>
#include <linux/serial_core.h>
@@ -222,6 +223,10 @@ static struct platform_pwm_backlight_data smdk4x12_bl_data = {
.pwm_period_ns = 1000,
};
+static struct pwm_lookup smdk4x12_pwm_lookup[] = {
+ PWM_LOOKUP("s3c24xx-pwm.1", 0, "pwm-backlight.0", NULL),
+};
+
static uint32_t smdk4x12_keymap[] __initdata = {
/* KEY(row, col, keycode) */
KEY(1, 3, KEY_1), KEY(1, 4, KEY_2), KEY(1, 5, KEY_3),
@@ -349,6 +354,7 @@ static void __init smdk4x12_machine_init(void)
ARRAY_SIZE(smdk4x12_i2c_devs7));
samsung_bl_set(&smdk4x12_bl_gpio_info, &smdk4x12_bl_data);
+ pwm_add_table(smdk4x12_pwm_lookup, ARRAY_SIZE(smdk4x12_pwm_lookup));
samsung_keypad_set_platdata(&smdk4x12_keypad_data);
diff --git a/arch/arm/mach-exynos/mach-smdkv310.c b/arch/arm/mach-exynos/mach-smdkv310.c
index 73f2bce097e1..12a1db29e1a1 100644
--- a/arch/arm/mach-exynos/mach-smdkv310.c
+++ b/arch/arm/mach-exynos/mach-smdkv310.c
@@ -18,6 +18,7 @@
#include <linux/io.h>
#include <linux/i2c.h>
#include <linux/input.h>
+#include <linux/pwm.h>
#include <linux/pwm_backlight.h>
#include <linux/platform_data/s3c-hsotg.h>
@@ -360,6 +361,10 @@ static struct i2c_board_info hdmiphy_info = {
I2C_BOARD_INFO("hdmiphy-exynos4210", 0x38),
};
+static struct pwm_lookup smdkv310_pwm_lookup[] = {
+ PWM_LOOKUP("s3c24xx-pwm.1", 0, "pwm-backlight.0", NULL),
+};
+
static void s5p_tv_setup(void)
{
/* direct HPD to HDMI chip */
@@ -399,6 +404,8 @@ static void __init smdkv310_machine_init(void)
samsung_keypad_set_platdata(&smdkv310_keypad_data);
samsung_bl_set(&smdkv310_bl_gpio_info, &smdkv310_bl_data);
+ pwm_add_table(smdkv310_pwm_lookup, ARRAY_SIZE(smdkv310_pwm_lookup));
+
#ifdef CONFIG_DRM_EXYNOS
s5p_device_fimd0.dev.platform_data = &drm_fimd_pdata;
exynos4_fimd0_gpio_setup_24bpp();