From: Jason Chen <redacted>

Signed-off-by: Jason Chen <redacted>
Signed-off-by: Jason Chen <redacted>
---
?arch/arm/mach-mx5/Kconfig ? ? ? ? ? | ? ?1 +
?arch/arm/mach-mx5/board-mx53_loco.c | ? 11 +++++++++++
?arch/arm/mach-mx5/devices-imx53.h ? | ? ?4 ++++
?3 files changed, 16 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
index b4e7c58..1463cd3 100644
--- a/arch/arm/mach-mx5/Kconfig
+++ b/arch/arm/mach-mx5/Kconfig

@@ -202,6 +202,7 @@ config MACH_MX53_LOCO

? ? ? ?select IMX_HAVE_PLATFORM_IMX2_WDT
? ? ? ?select IMX_HAVE_PLATFORM_IMX_I2C
? ? ? ?select IMX_HAVE_PLATFORM_IMX_UART
+ ? ? ? select IMX_HAVE_PLATFORM_MXC_PWM
? ? ? ?select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX
? ? ? ?select IMX_HAVE_PLATFORM_GPIO_KEYS
? ? ? ?select LEDS_GPIO_REGISTER

diff --git a/arch/arm/mach-mx5/board-mx53_loco.c b/arch/arm/mach-mx5/board-mx53_loco.c
index 4e1d51d..e2d916d 100644
--- a/arch/arm/mach-mx5/board-mx53_loco.c
+++ b/arch/arm/mach-mx5/board-mx53_loco.c

@@ -22,6 +22,7 @@

?#include <linux/clk.h>
?#include <linux/delay.h>
?#include <linux/gpio.h>
+#include <linux/pwm_backlight.h>

?#include <mach/common.h>
?#include <mach/hardware.h>

@@ -257,6 +258,13 @@ static const struct gpio_led_platform_data mx53loco_leds_data __initconst = {

? ? ? ?.num_leds ? ? ? = ARRAY_SIZE(mx53loco_leds),
?};

+static struct platform_pwm_backlight_data loco_pwm_backlight_data = {
+ ? ? ? .pwm_id = 1,
+ ? ? ? .max_brightness = 255,
+ ? ? ? .dft_brightness = 128,
+ ? ? ? .pwm_period_ns = 50000,
+};
+
?static void __init mx53_loco_board_init(void)
?{
? ? ? ?imx53_soc_init();

@@ -273,6 +281,9 @@ static void __init mx53_loco_board_init(void)

? ? ? ?imx53_add_sdhci_esdhc_imx(2, &mx53_loco_sd3_data);
? ? ? ?imx_add_gpio_keys(&loco_button_data);
? ? ? ?gpio_led_register_device(-1, &mx53loco_leds_data);
+
+ ? ? ? imx53_add_mxc_pwm(1);
+ ? ? ? imx53_add_mxc_pwm_backlight(0, &loco_pwm_backlight_data);
?}

?static void __init mx53_loco_timer_init(void)

diff --git a/arch/arm/mach-mx5/devices-imx53.h b/arch/arm/mach-mx5/devices-imx53.h
index 258e68f..2aa8ef8 100644
--- a/arch/arm/mach-mx5/devices-imx53.h
+++ b/arch/arm/mach-mx5/devices-imx53.h

@@ -44,3 +44,7 @@ extern const struct imx_imx_keypad_data imx53_imx_keypad_data;

?extern const struct imx_mxc_pwm_data imx53_mxc_pwm_data[] __initconst;
?#define imx53_add_mxc_pwm(id) ?\
? ? ? ?imx_add_mxc_pwm(&imx53_mxc_pwm_data[id])
+
+#define imx53_add_mxc_pwm_backlight(id, pdata) ? ? ? ? ? ? ? ? \
+ ? ? ? platform_device_register_resndata(NULL, "pwm-backlight",\
+ ? ? ? ? ? ? ? ? ? ? ? id, NULL, 0, pdata, sizeof(*pdata));