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>
diff --git a/arch/arm/mach-s3c64xx/mach-smartq.c b/arch/arm/mach-s3c64xx/mach-smartq.c
index 028d080..54309da 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 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 @@
.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 @@
&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 @@
/* leave power on */
gpio_direction_output(S3C64XX_GPK(15), 0);
-
pm_power_off = smartq_power_off;
return ret;
@@ -354,6 +381,7 @@
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());