diff options
Diffstat (limited to 'arch/arm/mach-s3c2442/mach-gta02.c')
| -rw-r--r-- | arch/arm/mach-s3c2442/mach-gta02.c | 309 |
1 files changed, 260 insertions, 49 deletions
diff --git a/arch/arm/mach-s3c2442/mach-gta02.c b/arch/arm/mach-s3c2442/mach-gta02.c index dc0aaeefc88..1480881268c 100644 --- a/arch/arm/mach-s3c2442/mach-gta02.c +++ b/arch/arm/mach-s3c2442/mach-gta02.c @@ -59,6 +59,12 @@ #include <linux/mfd/pcf50633/pmic.h> #include <linux/mfd/pcf50633/backlight.h> +#include <linux/input.h> +#include <linux/gpio_keys.h> + +#include <linux/leds.h> +#include <linux/leds_pwm.h> + #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <asm/mach/irq.h> @@ -86,8 +92,12 @@ #include <plat/pm.h> #include <plat/udc.h> #include <plat/gpio-cfg.h> +#include <plat/gpio-core.h> #include <plat/iic.h> +#include <mach/gta02-pm-gps.h> +#include <mach/gta02-pm-wlan.h> + #include <linux/jbt6k74.h> #include <linux/glamofb.h> #include <linux/mfd/glamo.h> @@ -482,6 +492,7 @@ struct pcf50633_platform_data gta02_pcf_pdata = { .min_uV = 3300000, .max_uV = 3300000, .valid_modes_mask = REGULATOR_MODE_NORMAL, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, .always_on = 1, .apply_uV = 1, .state_mem = { @@ -494,6 +505,7 @@ struct pcf50633_platform_data gta02_pcf_pdata = { .min_uV = 1300000, .max_uV = 1600000, .valid_modes_mask = REGULATOR_MODE_NORMAL, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, .always_on = 1, .apply_uV = 1, }, @@ -515,7 +527,8 @@ struct pcf50633_platform_data gta02_pcf_pdata = { .min_uV = 2000000, .max_uV = 3300000, .valid_modes_mask = REGULATOR_MODE_NORMAL, - .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | + REGULATOR_CHANGE_VOLTAGE, .always_on = 1, }, .num_consumer_supplies = ARRAY_SIZE(hcldo_consumers), @@ -526,6 +539,7 @@ struct pcf50633_platform_data gta02_pcf_pdata = { .min_uV = 3300000, .max_uV = 3300000, .valid_modes_mask = REGULATOR_MODE_NORMAL, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, .apply_uV = 1, .state_mem = { .enabled = 0, @@ -537,6 +551,7 @@ struct pcf50633_platform_data gta02_pcf_pdata = { .min_uV = 3300000, .max_uV = 3300000, .valid_modes_mask = REGULATOR_MODE_NORMAL, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, .apply_uV = 1, }, }, @@ -545,6 +560,7 @@ struct pcf50633_platform_data gta02_pcf_pdata = { .min_uV = 3000000, .max_uV = 3000000, .valid_modes_mask = REGULATOR_MODE_NORMAL, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, .apply_uV = 1, }, }, @@ -553,6 +569,7 @@ struct pcf50633_platform_data gta02_pcf_pdata = { .min_uV = 3200000, .max_uV = 3200000, .valid_modes_mask = REGULATOR_MODE_NORMAL, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, .apply_uV = 1, }, .num_consumer_supplies = ARRAY_SIZE(ldo4_consumers), @@ -563,6 +580,7 @@ struct pcf50633_platform_data gta02_pcf_pdata = { .min_uV = 3000000, .max_uV = 3000000, .valid_modes_mask = REGULATOR_MODE_NORMAL, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, .apply_uV = 1, .state_mem = { .enabled = 1, @@ -576,6 +594,7 @@ struct pcf50633_platform_data gta02_pcf_pdata = { .min_uV = 3000000, .max_uV = 3000000, .valid_modes_mask = REGULATOR_MODE_NORMAL, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, }, .num_consumer_supplies = ARRAY_SIZE(ldo6_consumers), .consumer_supplies = ldo6_consumers, @@ -585,6 +604,7 @@ struct pcf50633_platform_data gta02_pcf_pdata = { .min_uV = 1800000, .max_uV = 1800000, .valid_modes_mask = REGULATOR_MODE_NORMAL, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, .state_mem = { .enabled = 1, }, @@ -658,6 +678,7 @@ static struct s3c2410_platform_nand gta02_nand_info = { .twrph1 = 15, .nr_sets = ARRAY_SIZE(gta02_nand_sets), .sets = gta02_nand_sets, + .software_ecc = 1, }; @@ -666,11 +687,11 @@ static void gta02_udc_command(enum s3c2410_udc_cmd_e cmd) switch (cmd) { case S3C2410_UDC_P_ENABLE: pr_debug("%s S3C2410_UDC_P_ENABLE\n", __func__); - gpio_direction_output(GTA02_GPIO_USB_PULLUP, 1); + gpio_set_value(GTA02_GPIO_USB_PULLUP, 1); break; case S3C2410_UDC_P_DISABLE: pr_debug("%s S3C2410_UDC_P_DISABLE\n", __func__); - gpio_direction_output(GTA02_GPIO_USB_PULLUP, 0); + gpio_set_value(GTA02_GPIO_USB_PULLUP, 0); break; case S3C2410_UDC_P_RESET: pr_debug("%s S3C2410_UDC_P_RESET\n", __func__); @@ -685,52 +706,6 @@ static struct s3c2410_udc_mach_info gta02_udc_cfg = { }; -/* Touchscreen configuration. */ - -#ifdef CONFIG_TOUCHSCREEN_FILTER -const static struct ts_filter_group_configuration gta02_ts_group = { - .length = 12, - .close_enough = 10, - .threshold = 6, /* At least half of the points in a group. */ - .attempts = 10, -}; - -const static struct ts_filter_median_configuration gta02_ts_median = { - .extent = 20, - .decimation_below = 3, - .decimation_threshold = 8 * 3, - .decimation_above = 4, -}; - -const static struct ts_filter_mean_configuration gta02_ts_mean = { - .length = 4, -}; - -const static struct ts_filter_linear_configuration gta02_ts_linear = { - .constants = {1, 0, 0, 0, 1, 0, 1}, /* Don't modify coords. */ - .coord0 = 0, - .coord1 = 1, -}; -#endif - -const static struct ts_filter_chain_configuration gta02_filter_configuration[] = -{ -#ifdef CONFIG_TOUCHSCREEN_FILTER - {&ts_filter_group_api, >a02_ts_group.config}, - {&ts_filter_median_api, >a02_ts_median.config}, - {&ts_filter_mean_api, >a02_ts_mean.config}, - {&ts_filter_linear_api, >a02_ts_linear.config}, -#endif - {NULL, NULL}, -}; - -const static struct s3c2410_ts_mach_info gta02_ts_cfg = { - .delay = 10000, - .presc = 0xff, /* slow as we can go */ - .filter_config = gta02_filter_configuration, -}; - - /* USB */ static struct s3c2410_hcd_info gta02_usb_info = { .port[0] = { @@ -930,6 +905,137 @@ static struct resource gta02_hdq_resources[] = { }, }; +/* Buttons */ +static struct gpio_keys_button gta02_buttons[] = { + { + .gpio = GTA02_GPIO_AUX_KEY, + .code = KEY_PHONE, + .desc = "Aux", + .type = EV_KEY, + .debounce_interval = 100, + }, + { + .gpio = GTA02_GPIO_HOLD_KEY, + .code = KEY_PAUSE, + .desc = "Hold", + .type = EV_KEY, + .debounce_interval = 100, + }, +}; + +static struct gpio_keys_platform_data gta02_buttons_pdata = { + .buttons = gta02_buttons, + .nbuttons = ARRAY_SIZE(gta02_buttons), +}; + +static struct platform_device gta02_buttons_device = { + .name = "gpio-keys", + .id = -1, + .dev = { + .platform_data = >a02_buttons_pdata, + }, +}; + +/* LEDs */ +static struct gpio_led gta02_gpio_leds[] = { + { + .name = "gta02:red:aux", + .gpio = GTA02_GPIO_AUX_LED, + }, +}; + +static struct gpio_led_platform_data gta02_gpio_leds_pdata = { + .leds = gta02_gpio_leds, + .num_leds = ARRAY_SIZE(gta02_gpio_leds), +}; + +static struct platform_device gta02_leds_device = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = >a02_gpio_leds_pdata, + }, +}; + +static struct led_pwm gta02_pwm_leds[] = { + { + .name = "gta02:orange:power", + .max_brightness = 0xff, + .pwm_period_ns = 1000000, + .pwm_id = 0, + }, + { + .name = "gta02:blue:power", + .max_brightness = 0xff, + .pwm_period_ns = 1000000, + .pwm_id = 1, + }, + { + .name = "gta02::vibrator", + .max_brightness = 0x3f, + .pwm_period_ns = 60000000, + .pwm_id = 3, + } +}; + +static struct led_pwm_platform_data gta02_pwm_leds_pdata = { + .num_leds = ARRAY_SIZE(gta02_pwm_leds), + .leds = gta02_pwm_leds, +}; + +static struct platform_device gta02_pwm_leds_device = { + .name = "leds_pwm", + .id = -1, + .dev = { + .platform_data = >a02_pwm_leds_pdata, + } +}; + +/* Touchscreen configuration. */ + +#ifdef CONFIG_TOUCHSCREEN_FILTER +const static struct ts_filter_group_configuration gta02_ts_group = { + .length = 12, + .close_enough = 10, + .threshold = 6, /* At least half of the points in a group. */ + .attempts = 10, +}; + +const static struct ts_filter_median_configuration gta02_ts_median = { + .extent = 20, + .decimation_below = 3, + .decimation_threshold = 8 * 3, + .decimation_above = 4, +}; + +const static struct ts_filter_mean_configuration gta02_ts_mean = { + .length = 4, +}; + +const static struct ts_filter_linear_configuration gta02_ts_linear = { + .constants = {1, 0, 0, 0, 1, 0, 1}, /* Don't modify coords. */ + .coord0 = 0, + .coord1 = 1, +}; +#endif + +const static struct ts_filter_chain_configuration gta02_filter_configuration[] = +{ +#ifdef CONFIG_TOUCHSCREEN_FILTER + {&ts_filter_group_api, >a02_ts_group.config}, + {&ts_filter_median_api, >a02_ts_median.config}, + {&ts_filter_mean_api, >a02_ts_mean.config}, + {&ts_filter_linear_api, >a02_ts_linear.config}, +#endif + {NULL, NULL}, +}; + +const static struct s3c2410_ts_mach_info gta02_ts_cfg = { + .delay = 10000, + .presc = 0xff, /* slow as we can go */ + .filter_config = gta02_filter_configuration, +}; + struct hdq_platform_data gta02_hdq_platform_data = { .attach_child_devices = gta02_hdq_attach_child_devices, .gpio_dir_out = gta02_hdq_gpio_direction_out, @@ -970,8 +1076,18 @@ static struct platform_device *gta02_devices[] __initdata = { &s3c_device_usbgadget, &s3c_device_nand, >a02_nor_flash, + &s3c_device_timer[0], + &s3c_device_timer[1], + &s3c_device_timer[3], &s3c_device_iis, &s3c_device_i2c0, + >a02_buttons_device, + >a02_leds_device, + >a02_pwm_leds_device, + >a02_pm_gps_dev, + >a02_pm_bt_dev, + >a02_pm_gsm_dev, + >a02_pm_wlan_dev, &s3c_device_adc, }; @@ -1014,6 +1130,95 @@ static void gta02_poweroff(void) pcf50633_reg_set_bit_mask(gta02_pcf, PCF50633_REG_OOCSHDWN, 1, 1); } +/* On hardware rev 5 and earlier the leds are missing a resistor and reading + * from their gpio pins will always return 0, so we have to shadow the + * led states software */ +static unsigned long gpb_shadow; +extern struct s3c_gpio_chip s3c24xx_gpios[]; + +static void gta02_gpb_set(struct gpio_chip *chip, + unsigned offset, int value) +{ + void __iomem *base = S3C24XX_GPIO_BASE(S3C2410_GPB(0)); + unsigned long flags; + unsigned long dat; + + local_irq_save(flags); + + dat = __raw_readl(base + 0x04) | gpb_shadow; + dat &= ~(1 << offset); + gpb_shadow &= ~(1 << offset); + if (value) { + dat |= 1 << offset; + switch (offset) { + case 0 ... 2: + gpb_shadow |= 1 << offset; + break; + default: + break; + } + } + __raw_writel(dat, base + 0x04); + + local_irq_restore(flags); +} + +static int gta02_gpb_get(struct gpio_chip *chip, unsigned offset) +{ + void __iomem *base = S3C24XX_GPIO_BASE(S3C2410_GPB(0)); + unsigned long val; + + val = __raw_readl(base + 0x04) | gpb_shadow; + val >>= offset; + val &= 1; + + return val; +} + +static void gta02_hijack_gpb(void) +{ +/* Uncomment this, once support for S3C_SYSTEM_REV_ATAG has been merged + * upstream. + if (S3C_SYSTEM_REV_ATAG > GTA02v5_SYSTEM_REV) + return; +*/ + + s3c24xx_gpios[1].chip.set = gta02_gpb_set; + s3c24xx_gpios[1].chip.get = gta02_gpb_get; +} + +/* + * Allow the bootloader to enable hw ecc + * hardware_ecc=1|0 + */ +static int __init hardware_ecc_setup(char *str) +{ + if (str && str[0] == '1') + gta02_nand_info.software_ecc = 0; + return 1; +} +__setup("hardware_ecc=", hardware_ecc_setup); + +static void gta02_request_gpios(void) +{ + int ret; + ret = gpio_request(GTA02_GPIO_USB_PULLUP, "USB pullup"); + if (ret) { + printk(KERN_ERR "Failed to request USB pullup gpio pin: %d\n", ret); + } else { + ret = gpio_direction_output(GTA02_GPIO_USB_PULLUP, 0); + if (ret) + printk(KERN_ERR "Failed to set USB pullup gpio direction: %d\n", ret); + } +} + +static void gta02_enable_pwm_pins(void) +{ + s3c2410_gpio_cfgpin(GTA02_GPIO_PWR_LED1, S3C2410_GPB0_TOUT0); + s3c2410_gpio_cfgpin(GTA02_GPIO_PWR_LED2, S3C2410_GPB1_TOUT1); + s3c2410_gpio_cfgpin(GTA02_GPIO_VIBRATOR_ON, S3C2410_GPB3_TOUT3); +} + static void __init gta02_machine_init(void) { /* Set the panic callback to make AUX LED blink at ~5Hz. */ @@ -1021,6 +1226,10 @@ static void __init gta02_machine_init(void) s3c_device_ts.name = "s3c2440-ts"; + gta02_hijack_gpb(); + + gta02_request_gpios(); + s3c_pm_init(); #ifdef CONFIG_CHARGER_PCF50633 @@ -1039,6 +1248,8 @@ static void __init gta02_machine_init(void) ARRAY_SIZE(gta02_spi_board_info)); platform_add_devices(gta02_devices, ARRAY_SIZE(gta02_devices)); + gta02_enable_pwm_pins(); + pm_power_off = gta02_poweroff; } |