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>

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 028d080dcd35..54309dad3e0e 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());