ARM: S5PV210: Add support for S6E63M0 LCD controller on GONI board

Add required platform definitions for S6E63M0 LCD controller on Samsung
Goni board.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
[kgene.kim@samsung.com: minor title fixes]
[kgene.kim@samsung.com: fix build error]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 66 insertions, 0 deletions

diff --git a/arch/arm/mach-s5pv210/mach-goni.c b/arch/arm/mach-s5pv210/mach-goni.c
index 30ad59f6970f..435b68f07086 100644
--- a/arch/arm/mach-s5pv210/mach-goni.c
+++ b/arch/arm/mach-s5pv210/mach-goni.c
@@ -17,6 +17,9 @@
 #include <linux/i2c-gpio.h>
 #include <linux/mfd/max8998.h>
 #include <linux/regulator/fixed.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/spi_gpio.h>
+#include <linux/lcd.h>
 #include <linux/gpio_keys.h>
 #include <linux/input.h>
 #include <linux/gpio.h>
@@ -113,6 +116,65 @@ static struct s3c_fb_platdata goni_lcd_pdata __initdata = {
         .setup_gpio     = s5pv210_fb_gpio_setup_24bpp,
 };
 
+static int lcd_power_on(struct lcd_device *ld, int enable)
+{
+        return 1;
+}
+
+static int reset_lcd(struct lcd_device *ld)
+{
+        static unsigned int first = 1;
+        int reset_gpio = -1;
+
+        reset_gpio = S5PV210_MP05(5);
+
+        if (first) {
+                gpio_request(reset_gpio, "MLCD_RST");
+                first = 0;
+        }
+
+        gpio_direction_output(reset_gpio, 1);
+        return 1;
+}
+
+static struct lcd_platform_data goni_lcd_platform_data = {
+        .reset                  = reset_lcd,
+        .power_on               = lcd_power_on,
+        .lcd_enabled            = 0,
+        .reset_delay            = 120,  /* 120ms */
+        .power_on_delay         = 25,   /* 25ms */
+        .power_off_delay        = 200,  /* 200ms */
+};
+
+#define LCD_BUS_NUM     3
+static struct spi_board_info spi_board_info[] __initdata = {
+        {
+                .modalias       = "s6e63m0",
+                .platform_data  = &goni_lcd_platform_data,
+                .max_speed_hz   = 1200000,
+                .bus_num        = LCD_BUS_NUM,
+                .chip_select    = 0,
+                .mode           = SPI_MODE_3,
+                .controller_data = (void *)S5PV210_MP01(1), /* DISPLAY_CS */
+        },
+};
+
+static struct spi_gpio_platform_data lcd_spi_gpio_data = {
+        .sck    = S5PV210_MP04(1), /* DISPLAY_CLK */
+        .mosi   = S5PV210_MP04(3), /* DISPLAY_SI */
+        .miso   = SPI_GPIO_NO_MISO,
+        .num_chipselect = 1,
+};
+
+static struct platform_device goni_spi_gpio = {
+        .name   = "spi_gpio",
+        .id     = LCD_BUS_NUM,
+        .dev    = {
+                .parent         = &s3c_device_fb.dev,
+                .platform_data  = &lcd_spi_gpio_data,
+        },
+};
+
 /* KEYPAD */
 static uint32_t keymap[] __initdata = {
         /* KEY(row, col, keycode) */
@@ -513,6 +575,7 @@ static void goni_setup_sdhci(void)
 static struct platform_device *goni_devices[] __initdata = {
         &s3c_device_fb,
         &s5p_device_onenand,
+        &goni_spi_gpio,
         &goni_i2c_gpio_pmic,
         &mmc2_fixed_voltage,
         &goni_device_gpiokeys,
@@ -545,6 +608,9 @@ static void __init goni_machine_init(void)
         /* FB */
         s3c_fb_set_platdata(&goni_lcd_pdata);
 
+        /* SPI */
+        spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
+
         /* KEYPAD */
         samsung_keypad_set_platdata(&keypad_data);