select S3C_DEV_USB_HSOTG
select S3C_DEV_WDT
select SAMSUNG_DEV_KEYPAD
+ select SAMSUNG_DEV_PWM
select HAVE_S3C2410_WATCHDOG if WATCHDOG
select S3C64XX_SETUP_SDHCI
select S3C64XX_SETUP_I2C1
select S3C_DEV_NAND
select S3C_DEV_USB_HOST
select S3C64XX_SETUP_FB_24BPP
- select HAVE_PWM
+ select SAMSUNG_DEV_PWM
help
Machine support for the Airgoo HMT
select S3C64XX_SETUP_SDHCI
select S3C64XX_SETUP_FB_24BPP
select SAMSUNG_DEV_ADC
+ select SAMSUNG_DEV_PWM
select SAMSUNG_DEV_TS
- select HAVE_PWM
help
Shared machine support for SmartQ 5/7
#include <linux/smsc911x.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
+#include <linux/pwm_backlight.h>
#ifdef CONFIG_SMDK6410_WM1190_EV1
#include <linux/mfd/wm8350/core.h>
#include <mach/hardware.h>
#include <mach/regs-fb.h>
#include <mach/map.h>
+#include <mach/gpio-bank-f.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
{
if (power) {
gpio_direction_output(S3C64XX_GPF(13), 1);
- gpio_direction_output(S3C64XX_GPF(15), 1);
/* fire nRESET on power up */
gpio_direction_output(S3C64XX_GPN(5), 0);
gpio_direction_output(S3C64XX_GPN(5), 1);
msleep(1);
} else {
- gpio_direction_output(S3C64XX_GPF(15), 0);
gpio_direction_output(S3C64XX_GPF(13), 0);
}
}
.cols = 8,
};
+static int smdk6410_backlight_init(struct device *dev)
+{
+ int ret;
+
+ ret = gpio_request(S3C64XX_GPF(15), "Backlight");
+ if (ret) {
+ printk(KERN_ERR "failed to request GPF for PWM-OUT1\n");
+ return ret;
+ }
+
+ /* Configure GPIO pin with S3C64XX_GPF15_PWM_TOUT1 */
+ s3c_gpio_cfgpin(S3C64XX_GPF(15), S3C_GPIO_SFN(2));
+
+ return 0;
+}
+
+static void smdk6410_backlight_exit(struct device *dev)
+{
+ s3c_gpio_cfgpin(S3C64XX_GPF(15), S3C_GPIO_OUTPUT);
+ gpio_free(S3C64XX_GPF(15));
+}
+
+static struct platform_pwm_backlight_data smdk6410_backlight_data = {
+ .pwm_id = 1,
+ .max_brightness = 255,
+ .dft_brightness = 255,
+ .pwm_period_ns = 78770,
+ .init = smdk6410_backlight_init,
+ .exit = smdk6410_backlight_exit,
+};
+
+static struct platform_device smdk6410_backlight_device = {
+ .name = "pwm-backlight",
+ .dev = {
+ .parent = &s3c_device_timer[1].dev,
+ .platform_data = &smdk6410_backlight_data,
+ },
+};
+
static struct map_desc smdk6410_iodesc[] = {};
static struct platform_device *smdk6410_devices[] __initdata = {
&s3c_device_rtc,
&s3c_device_ts,
&s3c_device_wdt,
+ &s3c_device_timer[1],
+ &smdk6410_backlight_device,
};
#ifdef CONFIG_REGULATOR
gpio_request(S3C64XX_GPN(5), "LCD power");
gpio_request(S3C64XX_GPF(13), "LCD power");
- gpio_request(S3C64XX_GPF(15), "LCD power");
i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));
i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
select S3C_DEV_WDT
select S3C64XX_DEV_SPI
select SAMSUNG_DEV_ADC
+ select SAMSUNG_DEV_PWM
select SAMSUNG_DEV_TS
select S5P64X0_SETUP_I2C1
help
select S3C_DEV_WDT
select S3C64XX_DEV_SPI
select SAMSUNG_DEV_ADC
+ select SAMSUNG_DEV_PWM
select SAMSUNG_DEV_TS
select S5P64X0_SETUP_I2C1
help
#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>
#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>
},
};
+static int smdk6440_backlight_init(struct device *dev)
+{
+ int ret;
+
+ ret = gpio_request(S5P6440_GPF(15), "Backlight");
+ if (ret) {
+ printk(KERN_ERR "failed to request GPF for PWM-OUT1\n");
+ return ret;
+ }
+
+ /* Configure GPIO pin with S5P6440_GPF15_PWM_TOUT1 */
+ s3c_gpio_cfgpin(S5P6440_GPF(15), S3C_GPIO_SFN(2));
+
+ return 0;
+}
+
+static void smdk6440_backlight_exit(struct device *dev)
+{
+ s3c_gpio_cfgpin(S5P6440_GPF(15), S3C_GPIO_OUTPUT);
+ gpio_free(S5P6440_GPF(15));
+}
+
+static struct platform_pwm_backlight_data smdk6440_backlight_data = {
+ .pwm_id = 1,
+ .max_brightness = 255,
+ .dft_brightness = 255,
+ .pwm_period_ns = 78770,
+ .init = smdk6440_backlight_init,
+ .exit = smdk6440_backlight_exit,
+};
+
+static struct platform_device smdk6440_backlight_device = {
+ .name = "pwm-backlight",
+ .dev = {
+ .parent = &s3c_device_timer[1].dev,
+ .platform_data = &smdk6440_backlight_data,
+ },
+};
+
static struct platform_device *smdk6440_devices[] __initdata = {
&s3c_device_adc,
&s3c_device_rtc,
&s3c_device_wdt,
&samsung_asoc_dma,
&s5p6440_device_iis,
+ &s3c_device_timer[1],
+ &smdk6440_backlight_device,
};
static struct s3c2410_platform_i2c s5p6440_i2c0_data __initdata = {
#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>
#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>
#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,
&s3c_device_wdt,
&samsung_asoc_dma,
&s5p6450_device_iis0,
+ &s3c_device_timer[1],
+ &smdk6450_backlight_device,
/* s5p6450_device_spi0 will be added */
};
select SAMSUNG_DEV_ADC
select SAMSUNG_DEV_IDE
select SAMSUNG_DEV_KEYPAD
+ select SAMSUNG_DEV_PWM
select SAMSUNG_DEV_TS
select S5PC100_SETUP_FB_24BPP
select S5PC100_SETUP_I2C1
#include <linux/fb.h>
#include <linux/delay.h>
#include <linux/input.h>
+#include <linux/pwm_backlight.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <mach/map.h>
#include <mach/regs-fb.h>
+#include <mach/regs-gpio.h>
+
#include <video/platform_lcd.h>
#include <asm/irq.h>
static void smdkc100_lcd_power_set(struct plat_lcd_data *pd,
unsigned int power)
{
- /* backlight */
- gpio_direction_output(S5PC100_GPD(0), power);
-
if (power) {
/* module reset */
gpio_direction_output(S5PC100_GPH0(6), 1);
.cols = 8,
};
+static int smdkc100_backlight_init(struct device *dev)
+{
+ int ret;
+
+ ret = gpio_request(S5PC100_GPD(0), "Backlight");
+ if (ret) {
+ printk(KERN_ERR "failed to request GPF for PWM-OUT0\n");
+ return ret;
+ }
+
+ /* Configure GPIO pin with S5PC100_GPD_TOUT_0 */
+ s3c_gpio_cfgpin(S5PC100_GPD(0), S3C_GPIO_SFN(2));
+
+ return 0;
+}
+
+static void smdkc100_backlight_exit(struct device *dev)
+{
+ s3c_gpio_cfgpin(S5PC100_GPD(0), S3C_GPIO_OUTPUT);
+ gpio_free(S5PC100_GPD(0));
+}
+
+static struct platform_pwm_backlight_data smdkc100_backlight_data = {
+ .pwm_id = 0,
+ .max_brightness = 255,
+ .dft_brightness = 255,
+ .pwm_period_ns = 78770,
+ .init = smdkc100_backlight_init,
+ .exit = smdkc100_backlight_exit,
+};
+
+static struct platform_device smdkc100_backlight_device = {
+ .name = "pwm-backlight",
+ .dev = {
+ .parent = &s3c_device_timer[0].dev,
+ .platform_data = &smdkc100_backlight_data,
+ },
+};
+
static struct platform_device *smdkc100_devices[] __initdata = {
&s3c_device_adc,
&s3c_device_cfcon,
&s5p_device_fimc1,
&s5p_device_fimc2,
&s5pc100_device_spdif,
+ &s3c_device_timer[0],
+ &smdkc100_backlight_device,
};
static struct s3c2410_ts_mach_info s3c_ts_platform __initdata = {
s5pc100_spdif_setup_gpio(S5PC100_SPDIF_GPD);
/* LCD init */
- gpio_request(S5PC100_GPD(0), "GPD");
gpio_request(S5PC100_GPH0(6), "GPH0");
smdkc100_lcd_power_set(&smdkc100_lcd_power_data, 0);
platform_add_devices(smdkc100_devices, ARRAY_SIZE(smdkc100_devices));
select SAMSUNG_DEV_ADC
select SAMSUNG_DEV_IDE
select SAMSUNG_DEV_KEYPAD
+ select SAMSUNG_DEV_PWM
select SAMSUNG_DEV_TS
select S5PV210_SETUP_FB_24BPP
select S5PV210_SETUP_I2C1
#include <linux/fb.h>
#include <linux/gpio.h>
#include <linux/delay.h>
+#include <linux/pwm_backlight.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <plat/keypad.h>
#include <plat/pm.h>
#include <plat/fb.h>
+#include <plat/gpio-cfg.h>
/* Following are default values for UCON, ULCON and UFCON UART registers */
#define SMDKV210_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
.setup_gpio = s5pv210_fb_gpio_setup_24bpp,
};
+static int smdkv210_backlight_init(struct device *dev)
+{
+ int ret;
+
+ ret = gpio_request(S5PV210_GPD0(3), "Backlight");
+ if (ret) {
+ printk(KERN_ERR "failed to request GPD for PWM-OUT 3\n");
+ return ret;
+ }
+
+ /* Configure GPIO pin with S5PV210_GPD_0_3_TOUT_3 */
+ s3c_gpio_cfgpin(S5PV210_GPD0(3), S3C_GPIO_SFN(2));
+
+ return 0;
+}
+
+static void smdkv210_backlight_exit(struct device *dev)
+{
+ s3c_gpio_cfgpin(S5PV210_GPD0(3), S3C_GPIO_OUTPUT);
+ gpio_free(S5PV210_GPD0(3));
+}
+
+static struct platform_pwm_backlight_data smdkv210_backlight_data = {
+ .pwm_id = 3,
+ .max_brightness = 255,
+ .dft_brightness = 255,
+ .pwm_period_ns = 78770,
+ .init = smdkv210_backlight_init,
+ .exit = smdkv210_backlight_exit,
+};
+
+static struct platform_device smdkv210_backlight_device = {
+ .name = "pwm-backlight",
+ .dev = {
+ .parent = &s3c_device_timer[3].dev,
+ .platform_data = &smdkv210_backlight_data,
+ },
+};
+
static struct platform_device *smdkv210_devices[] __initdata = {
&s3c_device_adc,
&s3c_device_cfcon,
&samsung_device_keypad,
&smdkv210_dm9000,
&smdkv210_lcd_lte480wv,
+ &s3c_device_timer[3],
+ &smdkv210_backlight_device,
};
static void __init smdkv210_dm9000_init(void)
help
Clock code for supporting DCLK/CLKOUT on S3C24XX architectures
-config S3C24XX_PWM
- bool "PWM device support"
- select HAVE_PWM
- help
- Support for exporting the PWM timer blocks via the pwm device
- system.
-
# gpio configurations
config S3C24XX_GPIO_EXTRA
help
Compile in platform device definitions for keypad
+config SAMSUNG_DEV_PWM
+ bool
+ default y if ARCH_S3C2410
+ help
+ Compile in platform device definition for PWM Timer
+
+config S3C24XX_PWM
+ bool "PWM device support"
+ select HAVE_PWM
+ help
+ Support for exporting the PWM timer blocks via the pwm device
+ system
+
# DMA
config S3C_DMA
obj-$(CONFIG_SAMSUNG_DEV_IDE) += dev-ide.o
obj-$(CONFIG_SAMSUNG_DEV_TS) += dev-ts.o
obj-$(CONFIG_SAMSUNG_DEV_KEYPAD) += dev-keypad.o
+obj-$(CONFIG_SAMSUNG_DEV_PWM) += dev-pwm.o
# DMA support
--- /dev/null
+/* linux/arch/arm/plat-samsung/dev-pwm.c
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * Copyright (c) 2007 Ben Dooks
+ * Copyright (c) 2008 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>, <ben-linux@fluff.org>
+ *
+ * S3C series device definition for the PWM timer
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+
+#include <mach/irqs.h>
+
+#include <plat/devs.h>
+
+#define TIMER_RESOURCE_SIZE (1)
+
+#define TIMER_RESOURCE(_tmr, _irq) \
+ (struct resource [TIMER_RESOURCE_SIZE]) { \
+ [0] = { \
+ .start = _irq, \
+ .end = _irq, \
+ .flags = IORESOURCE_IRQ \
+ } \
+ }
+
+#define DEFINE_S3C_TIMER(_tmr_no, _irq) \
+ .name = "s3c24xx-pwm", \
+ .id = _tmr_no, \
+ .num_resources = TIMER_RESOURCE_SIZE, \
+ .resource = TIMER_RESOURCE(_tmr_no, _irq), \
+
+/*
+ * since we already have an static mapping for the timer,
+ * we do not bother setting any IO resource for the base.
+ */
+
+struct platform_device s3c_device_timer[] = {
+ [0] = { DEFINE_S3C_TIMER(0, IRQ_TIMER0) },
+ [1] = { DEFINE_S3C_TIMER(1, IRQ_TIMER1) },
+ [2] = { DEFINE_S3C_TIMER(2, IRQ_TIMER2) },
+ [3] = { DEFINE_S3C_TIMER(3, IRQ_TIMER3) },
+ [4] = { DEFINE_S3C_TIMER(4, IRQ_TIMER4) },
+};
+EXPORT_SYMBOL(s3c_device_timer);
#include <linux/io.h>
#include <linux/pwm.h>
-#include <mach/irqs.h>
#include <mach/map.h>
-#include <plat/devs.h>
#include <plat/regs-timer.h>
struct pwm_device {
static struct clk *clk_scaler[2];
-/* Standard setup for a timer block. */
-
-#define TIMER_RESOURCE_SIZE (1)
-
-#define TIMER_RESOURCE(_tmr, _irq) \
- (struct resource [TIMER_RESOURCE_SIZE]) { \
- [0] = { \
- .start = _irq, \
- .end = _irq, \
- .flags = IORESOURCE_IRQ \
- } \
- }
-
-#define DEFINE_S3C_TIMER(_tmr_no, _irq) \
- .name = "s3c24xx-pwm", \
- .id = _tmr_no, \
- .num_resources = TIMER_RESOURCE_SIZE, \
- .resource = TIMER_RESOURCE(_tmr_no, _irq), \
-
-/* since we already have an static mapping for the timer, we do not
- * bother setting any IO resource for the base.
- */
-
-struct platform_device s3c_device_timer[] = {
- [0] = { DEFINE_S3C_TIMER(0, IRQ_TIMER0) },
- [1] = { DEFINE_S3C_TIMER(1, IRQ_TIMER1) },
- [2] = { DEFINE_S3C_TIMER(2, IRQ_TIMER2) },
- [3] = { DEFINE_S3C_TIMER(3, IRQ_TIMER3) },
- [4] = { DEFINE_S3C_TIMER(4, IRQ_TIMER4) },
-};
-
static inline int pwm_is_tdiv(struct pwm_device *pwm)
{
return clk_get_parent(pwm->clk) == pwm->clk_div;