X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=arch%2Farm%2Fmach-s5p64x0%2Fmach-smdk6450.c;h=d19c4690ee97cf2740c9a9aee8c4fd083868e25b;hb=6e50e9f9f4a8277b4d76de417ca77cf3921bd524;hp=3a20de0a9264c16b5509eb4d9861592c4c07e405;hpb=4897313a62cf0b106e9e861bf7350a9cfc0715d0;p=pandora-kernel.git

diff --git a/arch/arm/mach-s5p64x0/mach-smdk6450.c b/arch/arm/mach-s5p64x0/mach-smdk6450.c
index 3a20de0a9264..d19c4690ee97 100644
--- a/arch/arm/mach-s5p64x0/mach-smdk6450.c
+++ b/arch/arm/mach-s5p64x0/mach-smdk6450.c
@@ -22,6 +22,7 @@
 #include <linux/module.h>
 #include <linux/clk.h>
 #include <linux/gpio.h>
+#include <linux/pwm_backlight.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
@@ -32,6 +33,7 @@
 #include <mach/map.h>
 #include <mach/regs-clock.h>
 #include <mach/i2c.h>
+#include <mach/regs-gpio.h>
 
 #include <plat/regs-serial.h>
 #include <plat/gpio-cfg.h>
@@ -43,6 +45,7 @@
 #include <plat/pll.h>
 #include <plat/adc.h>
 #include <plat/ts.h>
+#include <plat/s5p-time.h>
 
 #define SMDK6450_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
 				S3C2410_UCON_RXILEVEL |		\
@@ -106,6 +109,45 @@ static struct s3c2410_uartcfg smdk6450_uartcfgs[] __initdata = {
 #endif
 };
 
+static int smdk6450_backlight_init(struct device *dev)
+{
+	int ret;
+
+	ret = gpio_request(S5P6450_GPF(15), "Backlight");
+	if (ret) {
+		printk(KERN_ERR "failed to request GPF for PWM-OUT1\n");
+		return ret;
+	}
+
+	/* Configure GPIO pin with S5P6450_GPF15_PWM_TOUT1 */
+	s3c_gpio_cfgpin(S5P6450_GPF(15), S3C_GPIO_SFN(2));
+
+	return 0;
+}
+
+static void smdk6450_backlight_exit(struct device *dev)
+{
+	s3c_gpio_cfgpin(S5P6450_GPF(15), S3C_GPIO_OUTPUT);
+	gpio_free(S5P6450_GPF(15));
+}
+
+static struct platform_pwm_backlight_data smdk6450_backlight_data = {
+	.pwm_id		= 1,
+	.max_brightness	= 255,
+	.dft_brightness	= 255,
+	.pwm_period_ns	= 78770,
+	.init		= smdk6450_backlight_init,
+	.exit		= smdk6450_backlight_exit,
+};
+
+static struct platform_device smdk6450_backlight_device = {
+	.name		= "pwm-backlight",
+	.dev		= {
+		.parent		= &s3c_device_timer[1].dev,
+		.platform_data	= &smdk6450_backlight_data,
+	},
+};
+
 static struct platform_device *smdk6450_devices[] __initdata = {
 	&s3c_device_adc,
 	&s3c_device_rtc,
@@ -115,6 +157,8 @@ static struct platform_device *smdk6450_devices[] __initdata = {
 	&s3c_device_wdt,
 	&samsung_asoc_dma,
 	&s5p6450_device_iis0,
+	&s3c_device_timer[1],
+	&smdk6450_backlight_device,
 	/* s5p6450_device_spi0 will be added */
 };
 
@@ -155,6 +199,7 @@ static void __init smdk6450_map_io(void)
 	s5p_init_io(NULL, 0, S5P64X0_SYS_ID);
 	s3c24xx_init_clocks(19200000);
 	s3c24xx_init_uarts(smdk6450_uartcfgs, ARRAY_SIZE(smdk6450_uartcfgs));
+	s5p_set_timer_source(S5P_PWM3, S5P_PWM4);
 }
 
 static void __init smdk6450_machine_init(void)
@@ -178,5 +223,5 @@ MACHINE_START(SMDK6450, "SMDK6450")
 	.init_irq	= s5p6450_init_irq,
 	.map_io		= smdk6450_map_io,
 	.init_machine	= smdk6450_machine_init,
-	.timer		= &s3c24xx_timer,
+	.timer		= &s5p_timer,
 MACHINE_END