Add required platform definitions for S6E63M0 LCD controller on Samsung
Goni board.
Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
arch/arm/mach-s5pv210/mach-goni.c | 71 +++++++++++++++++++++++++++++++++++++
1 files changed, 71 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-s5pv210/mach-goni.c b/arch/arm/mach-s5pv210/mach-goni.c
index b0ae208..b263f3a 100644
--- a/arch/arm/mach-s5pv210/mach-goni.c
+++ b/arch/arm/mach-s5pv210/mach-goni.c
@@ -16,6 +16,9 @@
#include <linux/i2c.h>
#include <linux/i2c-gpio.h>
#include <linux/mfd/max8998.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>
@@ -111,6 +114,70 @@ 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 s6e63m0_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
+#define DISPLAY_CS S5PV210_MP01(1)
+static struct spi_board_info spi_board_info[] __initdata = {
+ {
+ .modalias = "s6e63m0",
+ .platform_data = (void *)&s6e63m0_platform_data,
+ .max_speed_hz = 1200000,
+ .bus_num = LCD_BUS_NUM,
+ .chip_select = 0,
+ .mode = SPI_MODE_3,
+ .controller_data = (void *)DISPLAY_CS,
+ },
+};
+
+#define DISPLAY_CLK S5PV210_MP04(1)
+#define DISPLAY_SI S5PV210_MP04(3)
+static struct spi_gpio_platform_data lcd_spi_gpio_data = {
+ .sck = DISPLAY_CLK,
+ .mosi = 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) */
@@ -479,6 +546,7 @@ 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,
&goni_device_gpiokeys,
&s5p_device_fimc0,
@@ -509,6 +577,9 @@ 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);
--
1.7.2.2
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