1 /* linux/arch/arm/mach-s5p64x0/mach-smdk6450.c
3 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
11 #include <linux/kernel.h>
12 #include <linux/types.h>
13 #include <linux/interrupt.h>
14 #include <linux/list.h>
15 #include <linux/timer.h>
16 #include <linux/delay.h>
17 #include <linux/init.h>
18 #include <linux/i2c.h>
19 #include <linux/serial_core.h>
20 #include <linux/platform_device.h>
22 #include <linux/module.h>
23 #include <linux/clk.h>
24 #include <linux/gpio.h>
25 #include <linux/pwm_backlight.h>
27 #include <linux/mmc/host.h>
29 #include <video/platform_lcd.h>
31 #include <asm/mach/arch.h>
32 #include <asm/mach/map.h>
34 #include <asm/mach-types.h>
36 #include <mach/hardware.h>
38 #include <mach/regs-clock.h>
40 #include <mach/regs-gpio.h>
42 #include <plat/regs-serial.h>
43 #include <plat/gpio-cfg.h>
44 #include <plat/s5p6450.h>
45 #include <plat/clock.h>
46 #include <plat/devs.h>
52 #include <plat/s5p-time.h>
53 #include <plat/backlight.h>
55 #include <plat/regs-fb.h>
56 #include <plat/sdhci.h>
58 #define SMDK6450_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
59 S3C2410_UCON_RXILEVEL | \
60 S3C2410_UCON_TXIRQMODE | \
61 S3C2410_UCON_RXIRQMODE | \
62 S3C2410_UCON_RXFIFO_TOI | \
63 S3C2443_UCON_RXERR_IRQEN)
65 #define SMDK6450_ULCON_DEFAULT S3C2410_LCON_CS8
67 #define SMDK6450_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \
68 S3C2440_UFCON_TXTRIG16 | \
69 S3C2410_UFCON_RXTRIG8)
71 static struct s3c2410_uartcfg smdk6450_uartcfgs[] __initdata = {
75 .ucon = SMDK6450_UCON_DEFAULT,
76 .ulcon = SMDK6450_ULCON_DEFAULT,
77 .ufcon = SMDK6450_UFCON_DEFAULT,
82 .ucon = SMDK6450_UCON_DEFAULT,
83 .ulcon = SMDK6450_ULCON_DEFAULT,
84 .ufcon = SMDK6450_UFCON_DEFAULT,
89 .ucon = SMDK6450_UCON_DEFAULT,
90 .ulcon = SMDK6450_ULCON_DEFAULT,
91 .ufcon = SMDK6450_UFCON_DEFAULT,
96 .ucon = SMDK6450_UCON_DEFAULT,
97 .ulcon = SMDK6450_ULCON_DEFAULT,
98 .ufcon = SMDK6450_UFCON_DEFAULT,
100 #if CONFIG_SERIAL_SAMSUNG_UARTS > 4
104 .ucon = SMDK6450_UCON_DEFAULT,
105 .ulcon = SMDK6450_ULCON_DEFAULT,
106 .ufcon = SMDK6450_UFCON_DEFAULT,
109 #if CONFIG_SERIAL_SAMSUNG_UARTS > 5
113 .ucon = SMDK6450_UCON_DEFAULT,
114 .ulcon = SMDK6450_ULCON_DEFAULT,
115 .ufcon = SMDK6450_UFCON_DEFAULT,
121 static struct s3c_fb_pd_win smdk6450_fb_win0 = {
136 static struct s3c_fb_platdata smdk6450_lcd_pdata __initdata = {
137 .win[0] = &smdk6450_fb_win0,
138 .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
139 .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
140 .setup_gpio = s5p64x0_fb_gpio_setup_24bpp,
143 /* LCD power controller */
144 static void smdk6450_lte480_reset_power(struct plat_lcd_data *pd,
150 err = gpio_request(S5P6450_GPN(5), "GPN");
152 printk(KERN_ERR "failed to request GPN for lcd reset\n");
156 gpio_direction_output(S5P6450_GPN(5), 1);
157 gpio_set_value(S5P6450_GPN(5), 0);
158 gpio_set_value(S5P6450_GPN(5), 1);
159 gpio_free(S5P6450_GPN(5));
163 static struct plat_lcd_data smdk6450_lcd_power_data = {
164 .set_power = smdk6450_lte480_reset_power,
167 static struct platform_device smdk6450_lcd_lte480wv = {
168 .name = "platform-lcd",
169 .dev.parent = &s3c_device_fb.dev,
170 .dev.platform_data = &smdk6450_lcd_power_data,
173 static struct platform_device *smdk6450_devices[] __initdata = {
181 &s5p6450_device_iis0,
183 &smdk6450_lcd_lte480wv,
187 /* s5p6450_device_spi0 will be added */
190 static struct s3c_sdhci_platdata smdk6450_hsmmc0_pdata __initdata = {
191 .cd_type = S3C_SDHCI_CD_NONE,
194 static struct s3c_sdhci_platdata smdk6450_hsmmc1_pdata __initdata = {
195 .cd_type = S3C_SDHCI_CD_NONE,
196 #if defined(CONFIG_S5P64X0_SD_CH1_8BIT)
198 .host_caps = MMC_CAP_8_BIT_DATA,
202 static struct s3c_sdhci_platdata smdk6450_hsmmc2_pdata __initdata = {
203 .cd_type = S3C_SDHCI_CD_NONE,
206 static struct s3c2410_platform_i2c s5p6450_i2c0_data __initdata = {
209 .frequency = 100*1000,
211 .cfg_gpio = s5p6450_i2c0_cfg_gpio,
214 static struct s3c2410_platform_i2c s5p6450_i2c1_data __initdata = {
218 .frequency = 100*1000,
220 .cfg_gpio = s5p6450_i2c1_cfg_gpio,
223 static struct i2c_board_info smdk6450_i2c_devs0[] __initdata = {
224 { I2C_BOARD_INFO("wm8580", 0x1b), },
225 { I2C_BOARD_INFO("24c08", 0x50), }, /* Samsung KS24C080C EEPROM */
228 static struct i2c_board_info smdk6450_i2c_devs1[] __initdata = {
229 { I2C_BOARD_INFO("24c128", 0x57), },/* Samsung S524AD0XD1 EEPROM */
232 /* LCD Backlight data */
233 static struct samsung_bl_gpio_info smdk6450_bl_gpio_info = {
234 .no = S5P6450_GPF(15),
235 .func = S3C_GPIO_SFN(2),
238 static struct platform_pwm_backlight_data smdk6450_bl_data = {
242 static void __init smdk6450_map_io(void)
244 s5p_init_io(NULL, 0, S5P64X0_SYS_ID);
245 s3c24xx_init_clocks(19200000);
246 s3c24xx_init_uarts(smdk6450_uartcfgs, ARRAY_SIZE(smdk6450_uartcfgs));
247 s5p_set_timer_source(S5P_PWM3, S5P_PWM4);
250 static void s5p6450_set_lcd_interface(void)
254 /* select TFT LCD type (RGB I/F) */
255 cfg = __raw_readl(S5P64X0_SPCON0);
256 cfg &= ~S5P64X0_SPCON0_LCD_SEL_MASK;
257 cfg |= S5P64X0_SPCON0_LCD_SEL_RGB;
258 __raw_writel(cfg, S5P64X0_SPCON0);
261 static void __init smdk6450_machine_init(void)
263 s3c24xx_ts_set_platdata(NULL);
265 s3c_i2c0_set_platdata(&s5p6450_i2c0_data);
266 s3c_i2c1_set_platdata(&s5p6450_i2c1_data);
267 i2c_register_board_info(0, smdk6450_i2c_devs0,
268 ARRAY_SIZE(smdk6450_i2c_devs0));
269 i2c_register_board_info(1, smdk6450_i2c_devs1,
270 ARRAY_SIZE(smdk6450_i2c_devs1));
272 samsung_bl_set(&smdk6450_bl_gpio_info, &smdk6450_bl_data);
274 s5p6450_set_lcd_interface();
275 s3c_fb_set_platdata(&smdk6450_lcd_pdata);
277 s3c_sdhci0_set_platdata(&smdk6450_hsmmc0_pdata);
278 s3c_sdhci1_set_platdata(&smdk6450_hsmmc1_pdata);
279 s3c_sdhci2_set_platdata(&smdk6450_hsmmc2_pdata);
281 platform_add_devices(smdk6450_devices, ARRAY_SIZE(smdk6450_devices));
284 MACHINE_START(SMDK6450, "SMDK6450")
285 /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
286 .atag_offset = 0x100,
288 .init_irq = s5p6450_init_irq,
289 .map_io = smdk6450_map_io,
290 .init_machine = smdk6450_machine_init,