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 30ad59f..435b68f 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);