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authorMarek Szyprowski <m.szyprowski@samsung.com>2010-10-04 03:39:20 -0400
committerKukjin Kim <kgene.kim@samsung.com>2010-10-20 18:54:57 -0400
commit8415d5c41564a9b7c802f26d5a4795ddb823d6ed (patch)
tree34c9a67d09fa814fee82e3f21457f2ea0b4c6a33 /arch/arm/mach-s5pv210/mach-goni.c
parentea31fd4330c823bd156d6484e32a0777c35f200f (diff)
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>
Diffstat (limited to 'arch/arm/mach-s5pv210/mach-goni.c')
-rw-r--r--arch/arm/mach-s5pv210/mach-goni.c66
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 @@
17#include <linux/i2c-gpio.h> 17#include <linux/i2c-gpio.h>
18#include <linux/mfd/max8998.h> 18#include <linux/mfd/max8998.h>
19#include <linux/regulator/fixed.h> 19#include <linux/regulator/fixed.h>
20#include <linux/spi/spi.h>
21#include <linux/spi/spi_gpio.h>
22#include <linux/lcd.h>
20#include <linux/gpio_keys.h> 23#include <linux/gpio_keys.h>
21#include <linux/input.h> 24#include <linux/input.h>
22#include <linux/gpio.h> 25#include <linux/gpio.h>
@@ -113,6 +116,65 @@ static struct s3c_fb_platdata goni_lcd_pdata __initdata = {
113 .setup_gpio = s5pv210_fb_gpio_setup_24bpp, 116 .setup_gpio = s5pv210_fb_gpio_setup_24bpp,
114}; 117};
115 118
119static int lcd_power_on(struct lcd_device *ld, int enable)
120{
121 return 1;
122}
123
124static int reset_lcd(struct lcd_device *ld)
125{
126 static unsigned int first = 1;
127 int reset_gpio = -1;
128
129 reset_gpio = S5PV210_MP05(5);
130
131 if (first) {
132 gpio_request(reset_gpio, "MLCD_RST");
133 first = 0;
134 }
135
136 gpio_direction_output(reset_gpio, 1);
137 return 1;
138}
139
140static struct lcd_platform_data goni_lcd_platform_data = {
141 .reset = reset_lcd,
142 .power_on = lcd_power_on,
143 .lcd_enabled = 0,
144 .reset_delay = 120, /* 120ms */
145 .power_on_delay = 25, /* 25ms */
146 .power_off_delay = 200, /* 200ms */
147};
148
149#define LCD_BUS_NUM 3
150static struct spi_board_info spi_board_info[] __initdata = {
151 {
152 .modalias = "s6e63m0",
153 .platform_data = &goni_lcd_platform_data,
154 .max_speed_hz = 1200000,
155 .bus_num = LCD_BUS_NUM,
156 .chip_select = 0,
157 .mode = SPI_MODE_3,
158 .controller_data = (void *)S5PV210_MP01(1), /* DISPLAY_CS */
159 },
160};
161
162static struct spi_gpio_platform_data lcd_spi_gpio_data = {
163 .sck = S5PV210_MP04(1), /* DISPLAY_CLK */
164 .mosi = S5PV210_MP04(3), /* DISPLAY_SI */
165 .miso = SPI_GPIO_NO_MISO,
166 .num_chipselect = 1,
167};
168
169static struct platform_device goni_spi_gpio = {
170 .name = "spi_gpio",
171 .id = LCD_BUS_NUM,
172 .dev = {
173 .parent = &s3c_device_fb.dev,
174 .platform_data = &lcd_spi_gpio_data,
175 },
176};
177
116/* KEYPAD */ 178/* KEYPAD */
117static uint32_t keymap[] __initdata = { 179static uint32_t keymap[] __initdata = {
118 /* KEY(row, col, keycode) */ 180 /* KEY(row, col, keycode) */
@@ -513,6 +575,7 @@ static void goni_setup_sdhci(void)
513static struct platform_device *goni_devices[] __initdata = { 575static struct platform_device *goni_devices[] __initdata = {
514 &s3c_device_fb, 576 &s3c_device_fb,
515 &s5p_device_onenand, 577 &s5p_device_onenand,
578 &goni_spi_gpio,
516 &goni_i2c_gpio_pmic, 579 &goni_i2c_gpio_pmic,
517 &mmc2_fixed_voltage, 580 &mmc2_fixed_voltage,
518 &goni_device_gpiokeys, 581 &goni_device_gpiokeys,
@@ -545,6 +608,9 @@ static void __init goni_machine_init(void)
545 /* FB */ 608 /* FB */
546 s3c_fb_set_platdata(&goni_lcd_pdata); 609 s3c_fb_set_platdata(&goni_lcd_pdata);
547 610
611 /* SPI */
612 spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
613
548 /* KEYPAD */ 614 /* KEYPAD */
549 samsung_keypad_set_platdata(&keypad_data); 615 samsung_keypad_set_platdata(&keypad_data);
550 616