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Diffstat (limited to 'arch/arm/mach-s3c2440/mach-rx1950.c')
-rw-r--r--arch/arm/mach-s3c2440/mach-rx1950.c95
1 files changed, 67 insertions, 28 deletions
diff --git a/arch/arm/mach-s3c2440/mach-rx1950.c b/arch/arm/mach-s3c2440/mach-rx1950.c
index eab6ae50683..27ea95096fe 100644
--- a/arch/arm/mach-s3c2440/mach-rx1950.c
+++ b/arch/arm/mach-s3c2440/mach-rx1950.c
@@ -263,27 +263,78 @@ void rx1950_disable_charger(void)
gpio_direction_output(S3C2410_GPJ(3), 0);
}
+DEFINE_SPINLOCK(rx1950_blink_spin);
+
+static int rx1950_led_blink_set(unsigned gpio, int state,
+ unsigned long *delay_on, unsigned long *delay_off)
+{
+ int blink_gpio, check_gpio;
+
+ switch (gpio) {
+ case S3C2410_GPA(6):
+ blink_gpio = S3C2410_GPA(4);
+ check_gpio = S3C2410_GPA(3);
+ break;
+ case S3C2410_GPA(7):
+ blink_gpio = S3C2410_GPA(3);
+ check_gpio = S3C2410_GPA(4);
+ break;
+ default:
+ return -EINVAL;
+ break;
+ }
+
+ if (delay_on && delay_off && !*delay_on && !*delay_off)
+ *delay_on = *delay_off = 500;
+
+ spin_lock(&rx1950_blink_spin);
+
+ switch (state) {
+ case GPIO_LED_NO_BLINK_LOW:
+ case GPIO_LED_NO_BLINK_HIGH:
+ if (!gpio_get_value(check_gpio))
+ gpio_set_value(S3C2410_GPJ(6), 0);
+ gpio_set_value(blink_gpio, 0);
+ gpio_set_value(gpio, state);
+ break;
+ case GPIO_LED_BLINK:
+ gpio_set_value(gpio, 0);
+ gpio_set_value(S3C2410_GPJ(6), 1);
+ gpio_set_value(blink_gpio, 1);
+ break;
+ }
+
+ spin_unlock(&rx1950_blink_spin);
+
+ return 0;
+}
+
static struct gpio_led rx1950_leds_desc[] = {
{
- .name = "Green",
- .default_trigger = "main-battery-charging-or-full",
- .gpio = S3C2410_GPA(6),
+ .name = "Green",
+ .default_trigger = "main-battery-full",
+ .gpio = S3C2410_GPA(6),
+ .retain_state_suspended = 1,
},
{
- .name = "Red",
- .default_trigger = "main-battery-full",
- .gpio = S3C2410_GPA(7),
+ .name = "Red",
+ .default_trigger
+ = "main-battery-charging-blink-full-solid",
+ .gpio = S3C2410_GPA(7),
+ .retain_state_suspended = 1,
},
{
- .name = "Blue",
+ .name = "Blue",
.default_trigger = "rx1950-acx-mem",
- .gpio = S3C2410_GPA(11),
+ .gpio = S3C2410_GPA(11),
+ .retain_state_suspended = 1,
},
};
static struct gpio_led_platform_data rx1950_leds_pdata = {
.num_leds = ARRAY_SIZE(rx1950_leds_desc),
.leds = rx1950_leds_desc,
+ .gpio_blink_set = rx1950_led_blink_set,
};
static struct platform_device rx1950_leds = {
@@ -566,26 +617,10 @@ static struct s3c2410_platform_nand rx1950_nand_info = {
.sets = rx1950_nand_sets,
};
-static void rx1950_udc_pullup(enum s3c2410_udc_cmd_e cmd)
-{
- switch (cmd) {
- case S3C2410_UDC_P_ENABLE:
- gpio_direction_output(S3C2410_GPJ(5), 1);
- break;
- case S3C2410_UDC_P_DISABLE:
- gpio_direction_output(S3C2410_GPJ(5), 0);
- break;
- case S3C2410_UDC_P_RESET:
- break;
- default:
- break;
- }
-}
-
static struct s3c2410_udc_mach_info rx1950_udc_cfg __initdata = {
- .udc_command = rx1950_udc_pullup,
.vbus_pin = S3C2410_GPG(5),
.vbus_pin_inverted = 1,
+ .pullup_pin = S3C2410_GPJ(5),
};
static struct s3c2410_ts_mach_info rx1950_ts_cfg __initdata = {
@@ -750,9 +785,6 @@ static void __init rx1950_init_machine(void)
S3C2410_MISCCR_USBSUSPND0 |
S3C2410_MISCCR_USBSUSPND1, 0x0);
- WARN_ON(gpio_request(S3C2410_GPJ(5), "UDC pullup"));
- gpio_direction_output(S3C2410_GPJ(5), 0);
-
/* mmc power is disabled by default */
WARN_ON(gpio_request(S3C2410_GPJ(1), "MMC power"));
gpio_direction_output(S3C2410_GPJ(1), 0);
@@ -771,6 +803,13 @@ static void __init rx1950_init_machine(void)
WARN_ON(gpio_request(S3C2410_GPB(1), "LCD power"));
+ WARN_ON(gpio_request(S3C2410_GPA(3), "Red blink"));
+ WARN_ON(gpio_request(S3C2410_GPA(4), "Green blink"));
+ WARN_ON(gpio_request(S3C2410_GPJ(6), "LED blink"));
+ gpio_direction_output(S3C2410_GPA(3), 0);
+ gpio_direction_output(S3C2410_GPA(4), 0);
+ gpio_direction_output(S3C2410_GPJ(6), 0);
+
platform_add_devices(rx1950_devices, ARRAY_SIZE(rx1950_devices));
i2c_register_board_info(0, rx1950_i2c_devices,