From fae9659a2cabcdaa01ea5a87568677e5cb037478 Mon Sep 17 00:00:00 2001
From: Sachin Kamat <sachin.kamat@linaro.org>
Date: Thu, 13 Sep 2012 15:54:18 +0900
Subject: [PATCH] ARM: EXYNOS: Add generic PWM lookup support for SMDKV310
Generic PWM framework requires that the board setup code
register a static mapping that can be used to match PWM
consumers to providers.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Reviewed-by: <thierry.reding@avionic-design.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
---
arch/arm/mach-exynos/Kconfig | 1 +
arch/arm/mach-exynos/mach-smdkv310.c | 7 +++++++
2 files changed, 8 insertions(+)
diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
index bd78d5d70c83b..7ec64c8c99178 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
diff --git a/arch/arm/mach-exynos/mach-smdkv310.c b/arch/arm/mach-exynos/mach-smdkv310.c
index 3cfa688d274a8..1ba87e963f5b3 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>
@@ -354,6 +355,10 @@ static struct platform_pwm_backlight_data smdkv310_bl_data = {
.pwm_period_ns = 1000,
};
+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 */
@@ -392,6 +397,8 @@ 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();
--
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