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ARM: EXYNOS: Add generic PWM lookup support for SMDK4X12

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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>
This commit is contained in:
Sachin Kamat 2012-09-13 15:52:11 +09:00 committed by Kukjin Kim
parent 4d8cc596dd
commit 20aa198f49
2 changed files with 7 additions and 0 deletions
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1
arch/arm/mach-exynos/Kconfig
View file

@ -384,6 +384,7 @@ 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

6
arch/arm/mach-exynos/mach-smdk4x12.c
View file

@ -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);