Loading arch/arm/mach-s3c2410/h1940-bluetooth.c +10 −3 Original line number Diff line number Diff line Loading @@ -30,7 +30,7 @@ static void h1940bt_enable(int on) { if (on) { /* Power on the chip */ h1940_latch_control(0, H1940_LATCH_BLUETOOTH_POWER); gpio_set_value(H1940_LATCH_BLUETOOTH_POWER, 1); /* Reset the chip */ mdelay(10); Loading @@ -43,7 +43,7 @@ static void h1940bt_enable(int on) mdelay(10); gpio_set_value(S3C2410_GPH(1), 0); mdelay(10); h1940_latch_control(H1940_LATCH_BLUETOOTH_POWER, 0); gpio_set_value(H1940_LATCH_BLUETOOTH_POWER, 0); } } Loading @@ -64,7 +64,14 @@ static int __devinit h1940bt_probe(struct platform_device *pdev) ret = gpio_request(S3C2410_GPH(1), dev_name(&pdev->dev)); if (ret) { dev_err(&pdev->dev, "could not get GPH1\n");\ dev_err(&pdev->dev, "could not get GPH1\n"); return ret; } ret = gpio_request(H1940_LATCH_BLUETOOTH_POWER, dev_name(&pdev->dev)); if (ret) { gpio_free(S3C2410_GPH(1)); dev_err(&pdev->dev, "could not get BT_POWER\n"); return ret; } Loading arch/arm/mach-s3c2410/include/mach/h1940-latch.h +18 −39 Original line number Diff line number Diff line Loading @@ -14,51 +14,30 @@ #ifndef __ASM_ARCH_H1940_LATCH_H #define __ASM_ARCH_H1940_LATCH_H #include <mach/gpio.h> #ifndef __ASSEMBLY__ #define H1940_LATCH ((void __force __iomem *)0xF8000000) #else #define H1940_LATCH 0xF8000000 #endif #define H1940_PA_LATCH (S3C2410_CS2) #define H1940_LATCH_GPIO(x) (S3C_GPIO_END + (x)) /* SD layer latch */ #define H1940_LATCH_SDQ1 (1<<16) #define H1940_LATCH_LCD_P1 (1<<17) #define H1940_LATCH_LCD_P2 (1<<18) #define H1940_LATCH_LCD_P3 (1<<19) #define H1940_LATCH_MAX1698_nSHUTDOWN (1<<20) /* LCD backlight */ #define H1940_LATCH_LED_RED (1<<21) #define H1940_LATCH_SDQ7 (1<<22) #define H1940_LATCH_USB_DP (1<<23) #define H1940_LATCH_LCD_P0 H1940_LATCH_GPIO(0) #define H1940_LATCH_LCD_P1 H1940_LATCH_GPIO(1) #define H1940_LATCH_LCD_P2 H1940_LATCH_GPIO(2) #define H1940_LATCH_LCD_P3 H1940_LATCH_GPIO(3) #define H1940_LATCH_MAX1698_nSHUTDOWN H1940_LATCH_GPIO(4) #define H1940_LATCH_LED_RED H1940_LATCH_GPIO(5) #define H1940_LATCH_SDQ7 H1940_LATCH_GPIO(6) #define H1940_LATCH_USB_DP H1940_LATCH_GPIO(7) /* CPU layer latch */ #define H1940_LATCH_UDA_POWER (1<<24) #define H1940_LATCH_AUDIO_POWER (1<<25) #define H1940_LATCH_SM803_ENABLE (1<<26) #define H1940_LATCH_LCD_P4 (1<<27) #define H1940_LATCH_CPUQ5 (1<<28) /* untraced */ #define H1940_LATCH_BLUETOOTH_POWER (1<<29) /* active high */ #define H1940_LATCH_LED_GREEN (1<<30) #define H1940_LATCH_LED_FLASH (1<<31) /* default settings */ #define H1940_LATCH_DEFAULT \ H1940_LATCH_LCD_P4 | \ H1940_LATCH_SM803_ENABLE | \ H1940_LATCH_SDQ1 | \ H1940_LATCH_LCD_P1 | \ H1940_LATCH_LCD_P2 | \ H1940_LATCH_LCD_P3 | \ H1940_LATCH_MAX1698_nSHUTDOWN | \ H1940_LATCH_CPUQ5 /* control functions */ extern void h1940_latch_control(unsigned int clear, unsigned int set); #define H1940_LATCH_UDA_POWER H1940_LATCH_GPIO(8) #define H1940_LATCH_AUDIO_POWER H1940_LATCH_GPIO(9) #define H1940_LATCH_SM803_ENABLE H1940_LATCH_GPIO(10) #define H1940_LATCH_LCD_P4 H1940_LATCH_GPIO(11) #define H1940_LATCH_SD_POWER H1940_LATCH_GPIO(12) #define H1940_LATCH_BLUETOOTH_POWER H1940_LATCH_GPIO(13) #define H1940_LATCH_LED_GREEN H1940_LATCH_GPIO(14) #define H1940_LATCH_LED_FLASH H1940_LATCH_GPIO(15) #endif /* __ASM_ARCH_H1940_LATCH_H */ arch/arm/mach-s3c2410/mach-h1940.c +154 −15 Original line number Diff line number Diff line Loading @@ -24,6 +24,7 @@ #include <linux/io.h> #include <linux/gpio.h> #include <linux/pwm_backlight.h> #include <linux/i2c.h> #include <video/platform_lcd.h> #include <linux/mmc/host.h> Loading Loading @@ -59,6 +60,14 @@ #include <plat/mci.h> #include <plat/ts.h> #include <sound/uda1380.h> #define H1940_LATCH ((void __force __iomem *)0xF8000000) #define H1940_PA_LATCH S3C2410_CS2 #define H1940_LATCH_BIT(x) (1 << ((x) + 16 - S3C_GPIO_END)) static struct map_desc h1940_iodesc[] __initdata = { [0] = { .virtual = (unsigned long)H1940_LATCH, Loading Loading @@ -100,9 +109,9 @@ static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = { /* Board control latch control */ static unsigned int latch_state = H1940_LATCH_DEFAULT; static unsigned int latch_state; void h1940_latch_control(unsigned int clear, unsigned int set) static void h1940_latch_control(unsigned int clear, unsigned int set) { unsigned long flags; Loading @@ -116,7 +125,42 @@ void h1940_latch_control(unsigned int clear, unsigned int set) local_irq_restore(flags); } EXPORT_SYMBOL_GPL(h1940_latch_control); static inline int h1940_gpiolib_to_latch(int offset) { return 1 << (offset + 16); } static void h1940_gpiolib_latch_set(struct gpio_chip *chip, unsigned offset, int value) { int latch_bit = h1940_gpiolib_to_latch(offset); h1940_latch_control(value ? 0 : latch_bit, value ? latch_bit : 0); } static int h1940_gpiolib_latch_output(struct gpio_chip *chip, unsigned offset, int value) { h1940_gpiolib_latch_set(chip, offset, value); return 0; } static int h1940_gpiolib_latch_get(struct gpio_chip *chip, unsigned offset) { return (latch_state >> (offset + 16)) & 1; } struct gpio_chip h1940_latch_gpiochip = { .base = H1940_LATCH_GPIO(0), .owner = THIS_MODULE, .label = "H1940_LATCH", .ngpio = 16, .direction_output = h1940_gpiolib_latch_output, .set = h1940_gpiolib_latch_set, .get = h1940_gpiolib_latch_get, }; static void h1940_udc_pullup(enum s3c2410_udc_cmd_e cmd) { Loading @@ -125,10 +169,10 @@ static void h1940_udc_pullup(enum s3c2410_udc_cmd_e cmd) switch (cmd) { case S3C2410_UDC_P_ENABLE : h1940_latch_control(0, H1940_LATCH_USB_DP); gpio_set_value(H1940_LATCH_USB_DP, 1); break; case S3C2410_UDC_P_DISABLE : h1940_latch_control(H1940_LATCH_USB_DP, 0); gpio_set_value(H1940_LATCH_USB_DP, 0); break; case S3C2410_UDC_P_RESET : break; Loading Loading @@ -199,10 +243,25 @@ static struct platform_device h1940_device_bluetooth = { .id = -1, }; static void h1940_set_mmc_power(unsigned char power_mode, unsigned short vdd) { switch (power_mode) { case MMC_POWER_OFF: gpio_set_value(H1940_LATCH_SD_POWER, 0); break; case MMC_POWER_UP: case MMC_POWER_ON: gpio_set_value(H1940_LATCH_SD_POWER, 1); break; default: break; }; } static struct s3c24xx_mci_pdata h1940_mmc_cfg __initdata = { .gpio_detect = S3C2410_GPF(5), .gpio_wprotect = S3C2410_GPH(8), .set_power = NULL, .set_power = h1940_set_mmc_power, .ocr_avail = MMC_VDD_32_33, }; Loading @@ -213,15 +272,32 @@ static int h1940_backlight_init(struct device *dev) gpio_direction_output(S3C2410_GPB(0), 0); s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE); s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0); gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1); return 0; } static int h1940_backlight_notify(struct device *dev, int brightness) { if (!brightness) { gpio_direction_output(S3C2410_GPB(0), 1); gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0); } else { gpio_direction_output(S3C2410_GPB(0), 0); s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE); s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0); gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1); } return brightness; } static void h1940_backlight_exit(struct device *dev) { gpio_direction_output(S3C2410_GPB(0), 1); gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0); } static struct platform_pwm_backlight_data backlight_data = { .pwm_id = 0, .max_brightness = 100, Loading @@ -229,6 +305,7 @@ static struct platform_pwm_backlight_data backlight_data = { /* tcnt = 0x31 */ .pwm_period_ns = 36296, .init = h1940_backlight_init, .notify = h1940_backlight_notify, .exit = h1940_backlight_exit, }; Loading @@ -247,19 +324,37 @@ static void h1940_lcd_power_set(struct plat_lcd_data *pd, int value; if (!power) { /* set to 3ec */ gpio_direction_output(S3C2410_GPC(0), 0); gpio_set_value(S3C2410_GPC(0), 0); /* wait for 3ac */ do { value = gpio_get_value(S3C2410_GPC(6)); } while (value); /* set to 38c */ gpio_direction_output(S3C2410_GPC(5), 0); gpio_set_value(H1940_LATCH_LCD_P2, 0); gpio_set_value(H1940_LATCH_LCD_P3, 0); gpio_set_value(H1940_LATCH_LCD_P4, 0); gpio_direction_output(S3C2410_GPC(1), 0); gpio_direction_output(S3C2410_GPC(4), 0); gpio_set_value(H1940_LATCH_LCD_P1, 0); gpio_set_value(H1940_LATCH_LCD_P0, 0); gpio_set_value(S3C2410_GPC(5), 0); } else { /* Set to 3ac */ gpio_direction_output(S3C2410_GPC(5), 1); /* Set to 3ad */ gpio_direction_output(S3C2410_GPC(0), 1); gpio_set_value(H1940_LATCH_LCD_P0, 1); gpio_set_value(H1940_LATCH_LCD_P1, 1); s3c_gpio_cfgpin(S3C2410_GPC(1), S3C_GPIO_SFN(2)); s3c_gpio_cfgpin(S3C2410_GPC(4), S3C_GPIO_SFN(2)); gpio_set_value(S3C2410_GPC(5), 1); gpio_set_value(S3C2410_GPC(0), 1); gpio_set_value(H1940_LATCH_LCD_P3, 1); gpio_set_value(H1940_LATCH_LCD_P2, 1); gpio_set_value(H1940_LATCH_LCD_P4, 1); } } Loading @@ -273,12 +368,26 @@ static struct platform_device h1940_lcd_powerdev = { .dev.platform_data = &h1940_lcd_power_data, }; static struct uda1380_platform_data uda1380_info = { .gpio_power = H1940_LATCH_UDA_POWER, .gpio_reset = S3C2410_GPA(12), .dac_clk = UDA1380_DAC_CLK_SYSCLK, }; static struct i2c_board_info h1940_i2c_devices[] = { { I2C_BOARD_INFO("uda1380", 0x1a), .platform_data = &uda1380_info, }, }; static struct platform_device *h1940_devices[] __initdata = { &s3c_device_ohci, &s3c_device_lcd, &s3c_device_wdt, &s3c_device_i2c0, &s3c_device_iis, &s3c_device_pcm, &s3c_device_usbgadget, &h1940_device_leds, &h1940_device_bluetooth, Loading @@ -303,6 +412,10 @@ static void __init h1940_map_io(void) memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024); #endif s3c_pm_init(); /* Add latch gpio chip, set latch initial value */ h1940_latch_control(0, 0); WARN_ON(gpiochip_add(&h1940_latch_gpiochip)); } /* H1940 and RX3715 need to reserve this for suspend */ Loading Loading @@ -340,12 +453,38 @@ static void __init h1940_init(void) writel(tmp, S3C2410_UPLLCON); gpio_request(S3C2410_GPC(0), "LCD power"); gpio_request(S3C2410_GPC(1), "LCD power"); gpio_request(S3C2410_GPC(4), "LCD power"); gpio_request(S3C2410_GPC(5), "LCD power"); gpio_request(S3C2410_GPC(6), "LCD power"); gpio_request(H1940_LATCH_LCD_P0, "LCD power"); gpio_request(H1940_LATCH_LCD_P1, "LCD power"); gpio_request(H1940_LATCH_LCD_P2, "LCD power"); gpio_request(H1940_LATCH_LCD_P3, "LCD power"); gpio_request(H1940_LATCH_LCD_P4, "LCD power"); gpio_request(H1940_LATCH_MAX1698_nSHUTDOWN, "LCD power"); gpio_direction_output(S3C2410_GPC(0), 0); gpio_direction_output(S3C2410_GPC(1), 0); gpio_direction_output(S3C2410_GPC(4), 0); gpio_direction_output(S3C2410_GPC(5), 0); gpio_direction_input(S3C2410_GPC(6)); gpio_direction_output(H1940_LATCH_LCD_P0, 0); gpio_direction_output(H1940_LATCH_LCD_P1, 0); gpio_direction_output(H1940_LATCH_LCD_P2, 0); gpio_direction_output(H1940_LATCH_LCD_P3, 0); gpio_direction_output(H1940_LATCH_LCD_P4, 0); gpio_direction_output(H1940_LATCH_MAX1698_nSHUTDOWN, 0); gpio_request(H1940_LATCH_USB_DP, "USB pullup"); gpio_direction_output(H1940_LATCH_USB_DP, 0); gpio_request(H1940_LATCH_SD_POWER, "SD power"); gpio_direction_output(H1940_LATCH_SD_POWER, 0); platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices)); i2c_register_board_info(0, h1940_i2c_devices, ARRAY_SIZE(h1940_i2c_devices)); } MACHINE_START(H1940, "IPAQ-H1940") Loading arch/arm/plat-s3c24xx/Kconfig +1 −0 Original line number Diff line number Diff line Loading @@ -69,6 +69,7 @@ config S3C24XX_GPIO_EXTRA int default 128 if S3C24XX_GPIO_EXTRA128 default 64 if S3C24XX_GPIO_EXTRA64 default 16 if ARCH_H1940 default 0 config S3C24XX_GPIO_EXTRA64 Loading Loading
arch/arm/mach-s3c2410/h1940-bluetooth.c +10 −3 Original line number Diff line number Diff line Loading @@ -30,7 +30,7 @@ static void h1940bt_enable(int on) { if (on) { /* Power on the chip */ h1940_latch_control(0, H1940_LATCH_BLUETOOTH_POWER); gpio_set_value(H1940_LATCH_BLUETOOTH_POWER, 1); /* Reset the chip */ mdelay(10); Loading @@ -43,7 +43,7 @@ static void h1940bt_enable(int on) mdelay(10); gpio_set_value(S3C2410_GPH(1), 0); mdelay(10); h1940_latch_control(H1940_LATCH_BLUETOOTH_POWER, 0); gpio_set_value(H1940_LATCH_BLUETOOTH_POWER, 0); } } Loading @@ -64,7 +64,14 @@ static int __devinit h1940bt_probe(struct platform_device *pdev) ret = gpio_request(S3C2410_GPH(1), dev_name(&pdev->dev)); if (ret) { dev_err(&pdev->dev, "could not get GPH1\n");\ dev_err(&pdev->dev, "could not get GPH1\n"); return ret; } ret = gpio_request(H1940_LATCH_BLUETOOTH_POWER, dev_name(&pdev->dev)); if (ret) { gpio_free(S3C2410_GPH(1)); dev_err(&pdev->dev, "could not get BT_POWER\n"); return ret; } Loading
arch/arm/mach-s3c2410/include/mach/h1940-latch.h +18 −39 Original line number Diff line number Diff line Loading @@ -14,51 +14,30 @@ #ifndef __ASM_ARCH_H1940_LATCH_H #define __ASM_ARCH_H1940_LATCH_H #include <mach/gpio.h> #ifndef __ASSEMBLY__ #define H1940_LATCH ((void __force __iomem *)0xF8000000) #else #define H1940_LATCH 0xF8000000 #endif #define H1940_PA_LATCH (S3C2410_CS2) #define H1940_LATCH_GPIO(x) (S3C_GPIO_END + (x)) /* SD layer latch */ #define H1940_LATCH_SDQ1 (1<<16) #define H1940_LATCH_LCD_P1 (1<<17) #define H1940_LATCH_LCD_P2 (1<<18) #define H1940_LATCH_LCD_P3 (1<<19) #define H1940_LATCH_MAX1698_nSHUTDOWN (1<<20) /* LCD backlight */ #define H1940_LATCH_LED_RED (1<<21) #define H1940_LATCH_SDQ7 (1<<22) #define H1940_LATCH_USB_DP (1<<23) #define H1940_LATCH_LCD_P0 H1940_LATCH_GPIO(0) #define H1940_LATCH_LCD_P1 H1940_LATCH_GPIO(1) #define H1940_LATCH_LCD_P2 H1940_LATCH_GPIO(2) #define H1940_LATCH_LCD_P3 H1940_LATCH_GPIO(3) #define H1940_LATCH_MAX1698_nSHUTDOWN H1940_LATCH_GPIO(4) #define H1940_LATCH_LED_RED H1940_LATCH_GPIO(5) #define H1940_LATCH_SDQ7 H1940_LATCH_GPIO(6) #define H1940_LATCH_USB_DP H1940_LATCH_GPIO(7) /* CPU layer latch */ #define H1940_LATCH_UDA_POWER (1<<24) #define H1940_LATCH_AUDIO_POWER (1<<25) #define H1940_LATCH_SM803_ENABLE (1<<26) #define H1940_LATCH_LCD_P4 (1<<27) #define H1940_LATCH_CPUQ5 (1<<28) /* untraced */ #define H1940_LATCH_BLUETOOTH_POWER (1<<29) /* active high */ #define H1940_LATCH_LED_GREEN (1<<30) #define H1940_LATCH_LED_FLASH (1<<31) /* default settings */ #define H1940_LATCH_DEFAULT \ H1940_LATCH_LCD_P4 | \ H1940_LATCH_SM803_ENABLE | \ H1940_LATCH_SDQ1 | \ H1940_LATCH_LCD_P1 | \ H1940_LATCH_LCD_P2 | \ H1940_LATCH_LCD_P3 | \ H1940_LATCH_MAX1698_nSHUTDOWN | \ H1940_LATCH_CPUQ5 /* control functions */ extern void h1940_latch_control(unsigned int clear, unsigned int set); #define H1940_LATCH_UDA_POWER H1940_LATCH_GPIO(8) #define H1940_LATCH_AUDIO_POWER H1940_LATCH_GPIO(9) #define H1940_LATCH_SM803_ENABLE H1940_LATCH_GPIO(10) #define H1940_LATCH_LCD_P4 H1940_LATCH_GPIO(11) #define H1940_LATCH_SD_POWER H1940_LATCH_GPIO(12) #define H1940_LATCH_BLUETOOTH_POWER H1940_LATCH_GPIO(13) #define H1940_LATCH_LED_GREEN H1940_LATCH_GPIO(14) #define H1940_LATCH_LED_FLASH H1940_LATCH_GPIO(15) #endif /* __ASM_ARCH_H1940_LATCH_H */
arch/arm/mach-s3c2410/mach-h1940.c +154 −15 Original line number Diff line number Diff line Loading @@ -24,6 +24,7 @@ #include <linux/io.h> #include <linux/gpio.h> #include <linux/pwm_backlight.h> #include <linux/i2c.h> #include <video/platform_lcd.h> #include <linux/mmc/host.h> Loading Loading @@ -59,6 +60,14 @@ #include <plat/mci.h> #include <plat/ts.h> #include <sound/uda1380.h> #define H1940_LATCH ((void __force __iomem *)0xF8000000) #define H1940_PA_LATCH S3C2410_CS2 #define H1940_LATCH_BIT(x) (1 << ((x) + 16 - S3C_GPIO_END)) static struct map_desc h1940_iodesc[] __initdata = { [0] = { .virtual = (unsigned long)H1940_LATCH, Loading Loading @@ -100,9 +109,9 @@ static struct s3c2410_uartcfg h1940_uartcfgs[] __initdata = { /* Board control latch control */ static unsigned int latch_state = H1940_LATCH_DEFAULT; static unsigned int latch_state; void h1940_latch_control(unsigned int clear, unsigned int set) static void h1940_latch_control(unsigned int clear, unsigned int set) { unsigned long flags; Loading @@ -116,7 +125,42 @@ void h1940_latch_control(unsigned int clear, unsigned int set) local_irq_restore(flags); } EXPORT_SYMBOL_GPL(h1940_latch_control); static inline int h1940_gpiolib_to_latch(int offset) { return 1 << (offset + 16); } static void h1940_gpiolib_latch_set(struct gpio_chip *chip, unsigned offset, int value) { int latch_bit = h1940_gpiolib_to_latch(offset); h1940_latch_control(value ? 0 : latch_bit, value ? latch_bit : 0); } static int h1940_gpiolib_latch_output(struct gpio_chip *chip, unsigned offset, int value) { h1940_gpiolib_latch_set(chip, offset, value); return 0; } static int h1940_gpiolib_latch_get(struct gpio_chip *chip, unsigned offset) { return (latch_state >> (offset + 16)) & 1; } struct gpio_chip h1940_latch_gpiochip = { .base = H1940_LATCH_GPIO(0), .owner = THIS_MODULE, .label = "H1940_LATCH", .ngpio = 16, .direction_output = h1940_gpiolib_latch_output, .set = h1940_gpiolib_latch_set, .get = h1940_gpiolib_latch_get, }; static void h1940_udc_pullup(enum s3c2410_udc_cmd_e cmd) { Loading @@ -125,10 +169,10 @@ static void h1940_udc_pullup(enum s3c2410_udc_cmd_e cmd) switch (cmd) { case S3C2410_UDC_P_ENABLE : h1940_latch_control(0, H1940_LATCH_USB_DP); gpio_set_value(H1940_LATCH_USB_DP, 1); break; case S3C2410_UDC_P_DISABLE : h1940_latch_control(H1940_LATCH_USB_DP, 0); gpio_set_value(H1940_LATCH_USB_DP, 0); break; case S3C2410_UDC_P_RESET : break; Loading Loading @@ -199,10 +243,25 @@ static struct platform_device h1940_device_bluetooth = { .id = -1, }; static void h1940_set_mmc_power(unsigned char power_mode, unsigned short vdd) { switch (power_mode) { case MMC_POWER_OFF: gpio_set_value(H1940_LATCH_SD_POWER, 0); break; case MMC_POWER_UP: case MMC_POWER_ON: gpio_set_value(H1940_LATCH_SD_POWER, 1); break; default: break; }; } static struct s3c24xx_mci_pdata h1940_mmc_cfg __initdata = { .gpio_detect = S3C2410_GPF(5), .gpio_wprotect = S3C2410_GPH(8), .set_power = NULL, .set_power = h1940_set_mmc_power, .ocr_avail = MMC_VDD_32_33, }; Loading @@ -213,15 +272,32 @@ static int h1940_backlight_init(struct device *dev) gpio_direction_output(S3C2410_GPB(0), 0); s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE); s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0); gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1); return 0; } static int h1940_backlight_notify(struct device *dev, int brightness) { if (!brightness) { gpio_direction_output(S3C2410_GPB(0), 1); gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0); } else { gpio_direction_output(S3C2410_GPB(0), 0); s3c_gpio_setpull(S3C2410_GPB(0), S3C_GPIO_PULL_NONE); s3c_gpio_cfgpin(S3C2410_GPB(0), S3C2410_GPB0_TOUT0); gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 1); } return brightness; } static void h1940_backlight_exit(struct device *dev) { gpio_direction_output(S3C2410_GPB(0), 1); gpio_set_value(H1940_LATCH_MAX1698_nSHUTDOWN, 0); } static struct platform_pwm_backlight_data backlight_data = { .pwm_id = 0, .max_brightness = 100, Loading @@ -229,6 +305,7 @@ static struct platform_pwm_backlight_data backlight_data = { /* tcnt = 0x31 */ .pwm_period_ns = 36296, .init = h1940_backlight_init, .notify = h1940_backlight_notify, .exit = h1940_backlight_exit, }; Loading @@ -247,19 +324,37 @@ static void h1940_lcd_power_set(struct plat_lcd_data *pd, int value; if (!power) { /* set to 3ec */ gpio_direction_output(S3C2410_GPC(0), 0); gpio_set_value(S3C2410_GPC(0), 0); /* wait for 3ac */ do { value = gpio_get_value(S3C2410_GPC(6)); } while (value); /* set to 38c */ gpio_direction_output(S3C2410_GPC(5), 0); gpio_set_value(H1940_LATCH_LCD_P2, 0); gpio_set_value(H1940_LATCH_LCD_P3, 0); gpio_set_value(H1940_LATCH_LCD_P4, 0); gpio_direction_output(S3C2410_GPC(1), 0); gpio_direction_output(S3C2410_GPC(4), 0); gpio_set_value(H1940_LATCH_LCD_P1, 0); gpio_set_value(H1940_LATCH_LCD_P0, 0); gpio_set_value(S3C2410_GPC(5), 0); } else { /* Set to 3ac */ gpio_direction_output(S3C2410_GPC(5), 1); /* Set to 3ad */ gpio_direction_output(S3C2410_GPC(0), 1); gpio_set_value(H1940_LATCH_LCD_P0, 1); gpio_set_value(H1940_LATCH_LCD_P1, 1); s3c_gpio_cfgpin(S3C2410_GPC(1), S3C_GPIO_SFN(2)); s3c_gpio_cfgpin(S3C2410_GPC(4), S3C_GPIO_SFN(2)); gpio_set_value(S3C2410_GPC(5), 1); gpio_set_value(S3C2410_GPC(0), 1); gpio_set_value(H1940_LATCH_LCD_P3, 1); gpio_set_value(H1940_LATCH_LCD_P2, 1); gpio_set_value(H1940_LATCH_LCD_P4, 1); } } Loading @@ -273,12 +368,26 @@ static struct platform_device h1940_lcd_powerdev = { .dev.platform_data = &h1940_lcd_power_data, }; static struct uda1380_platform_data uda1380_info = { .gpio_power = H1940_LATCH_UDA_POWER, .gpio_reset = S3C2410_GPA(12), .dac_clk = UDA1380_DAC_CLK_SYSCLK, }; static struct i2c_board_info h1940_i2c_devices[] = { { I2C_BOARD_INFO("uda1380", 0x1a), .platform_data = &uda1380_info, }, }; static struct platform_device *h1940_devices[] __initdata = { &s3c_device_ohci, &s3c_device_lcd, &s3c_device_wdt, &s3c_device_i2c0, &s3c_device_iis, &s3c_device_pcm, &s3c_device_usbgadget, &h1940_device_leds, &h1940_device_bluetooth, Loading @@ -303,6 +412,10 @@ static void __init h1940_map_io(void) memcpy(phys_to_virt(H1940_SUSPEND_RESUMEAT), h1940_pm_return, 1024); #endif s3c_pm_init(); /* Add latch gpio chip, set latch initial value */ h1940_latch_control(0, 0); WARN_ON(gpiochip_add(&h1940_latch_gpiochip)); } /* H1940 and RX3715 need to reserve this for suspend */ Loading Loading @@ -340,12 +453,38 @@ static void __init h1940_init(void) writel(tmp, S3C2410_UPLLCON); gpio_request(S3C2410_GPC(0), "LCD power"); gpio_request(S3C2410_GPC(1), "LCD power"); gpio_request(S3C2410_GPC(4), "LCD power"); gpio_request(S3C2410_GPC(5), "LCD power"); gpio_request(S3C2410_GPC(6), "LCD power"); gpio_request(H1940_LATCH_LCD_P0, "LCD power"); gpio_request(H1940_LATCH_LCD_P1, "LCD power"); gpio_request(H1940_LATCH_LCD_P2, "LCD power"); gpio_request(H1940_LATCH_LCD_P3, "LCD power"); gpio_request(H1940_LATCH_LCD_P4, "LCD power"); gpio_request(H1940_LATCH_MAX1698_nSHUTDOWN, "LCD power"); gpio_direction_output(S3C2410_GPC(0), 0); gpio_direction_output(S3C2410_GPC(1), 0); gpio_direction_output(S3C2410_GPC(4), 0); gpio_direction_output(S3C2410_GPC(5), 0); gpio_direction_input(S3C2410_GPC(6)); gpio_direction_output(H1940_LATCH_LCD_P0, 0); gpio_direction_output(H1940_LATCH_LCD_P1, 0); gpio_direction_output(H1940_LATCH_LCD_P2, 0); gpio_direction_output(H1940_LATCH_LCD_P3, 0); gpio_direction_output(H1940_LATCH_LCD_P4, 0); gpio_direction_output(H1940_LATCH_MAX1698_nSHUTDOWN, 0); gpio_request(H1940_LATCH_USB_DP, "USB pullup"); gpio_direction_output(H1940_LATCH_USB_DP, 0); gpio_request(H1940_LATCH_SD_POWER, "SD power"); gpio_direction_output(H1940_LATCH_SD_POWER, 0); platform_add_devices(h1940_devices, ARRAY_SIZE(h1940_devices)); i2c_register_board_info(0, h1940_i2c_devices, ARRAY_SIZE(h1940_i2c_devices)); } MACHINE_START(H1940, "IPAQ-H1940") Loading
arch/arm/plat-s3c24xx/Kconfig +1 −0 Original line number Diff line number Diff line Loading @@ -69,6 +69,7 @@ config S3C24XX_GPIO_EXTRA int default 128 if S3C24XX_GPIO_EXTRA128 default 64 if S3C24XX_GPIO_EXTRA64 default 16 if ARCH_H1940 default 0 config S3C24XX_GPIO_EXTRA64 Loading