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authorMaurus Cuelenaere <mcuelenaere@gmail.com>2010-08-13 21:17:52 +0200
committerBen Dooks <ben-linux@fluff.org>2010-08-14 16:13:06 +0100
commit49f91b9ed14f6c2dd90d99c65a2ab47bd93652b1 (patch)
tree645b41420616623f4113de7a5ad40074d0eccf47 /arch/arm/mach-s3c64xx/mach-smartq.c
parentce611d7b98eec03b2b1036ac55b7604b268154d8 (diff)
ARM: S3C64XX: Move SmartQ LCD control platform definition to shared file
This shares the common LCD control platform definition used in the SmartQ 5 and 7. This also corrects it as a GPIO bitbanged SPI device instead of an I²C one, which was wrong. Signed-off-by: Maurus Cuelenaere <mcuelenaere@gmail.com> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/mach-s3c64xx/mach-smartq.c')
-rw-r--r--arch/arm/mach-s3c64xx/mach-smartq.c32
1 files changed, 30 insertions, 2 deletions
diff --git a/arch/arm/mach-s3c64xx/mach-smartq.c b/arch/arm/mach-s3c64xx/mach-smartq.c
index 028d080dcd3..54309dad3e0 100644
--- a/arch/arm/mach-s3c64xx/mach-smartq.c
+++ b/arch/arm/mach-s3c64xx/mach-smartq.c
@@ -16,6 +16,7 @@
#include <linux/platform_device.h>
#include <linux/pwm_backlight.h>
#include <linux/serial_core.h>
+#include <linux/spi/spi_gpio.h>
#include <linux/usb/gpio_vbus.h>
#include <asm/mach-types.h>
@@ -184,6 +185,33 @@ static struct s3c_hwmon_pdata smartq_hwmon_pdata __initdata = {
},
};
+static int __init smartq_lcd_setup_gpio(void)
+{
+ int ret;
+
+ ret = gpio_request(S3C64XX_GPM(3), "LCD power");
+ if (ret < 0)
+ return ret;
+
+ /* turn power off */
+ gpio_direction_output(S3C64XX_GPM(3), 0);
+
+ return 0;
+}
+
+/* GPM0 -> CS */
+static struct spi_gpio_platform_data smartq_lcd_control = {
+ .sck = S3C64XX_GPM(1),
+ .mosi = S3C64XX_GPM(2),
+ .miso = S3C64XX_GPM(2),
+};
+
+static struct platform_device smartq_lcd_control_device = {
+ .name = "spi-gpio",
+ .id = 1,
+ .dev.platform_data = &smartq_lcd_control,
+};
+
static void smartq_lcd_power_set(struct plat_lcd_data *pd, unsigned int power)
{
gpio_direction_output(S3C64XX_GPM(3), power);
@@ -199,7 +227,6 @@ static struct platform_device smartq_lcd_power_device = {
.dev.platform_data = &smartq_lcd_power_data,
};
-
static struct platform_device *smartq_devices[] __initdata = {
&s3c_device_hsmmc1, /* Init iNAND first, ... */
&s3c_device_hsmmc0, /* ... then the external SD card */
@@ -214,6 +241,7 @@ static struct platform_device *smartq_devices[] __initdata = {
&s3c_device_ts,
&s3c_device_usb_hsotg,
&smartq_backlight_device,
+ &smartq_lcd_control_device,
&smartq_lcd_power_device,
&smartq_usb_otg_vbus_dev,
};
@@ -252,7 +280,6 @@ static int __init smartq_power_off_init(void)
/* leave power on */
gpio_direction_output(S3C64XX_GPK(15), 0);
-
pm_power_off = smartq_power_off;
return ret;
@@ -354,6 +381,7 @@ void __init smartq_machine_init(void)
s3c_sdhci2_set_platdata(&smartq_internal_hsmmc_pdata);
s3c24xx_ts_set_platdata(&smartq_touchscreen_pdata);
+ WARN_ON(smartq_lcd_setup_gpio());
WARN_ON(smartq_power_off_init());
WARN_ON(smartq_usb_host_init());
WARN_ON(smartq_usb_otg_init());