1 /* linux/arch/arm/mach-s5p64x0/mach-smdk6440.c
3 * Copyright (c) 2009-2010 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>
28 #include <video/platform_lcd.h>
30 #include <asm/mach/arch.h>
31 #include <asm/mach/map.h>
33 #include <asm/mach-types.h>
35 #include <mach/hardware.h>
37 #include <mach/regs-clock.h>
39 #include <mach/regs-gpio.h>
41 #include <plat/regs-serial.h>
42 #include <plat/gpio-cfg.h>
43 #include <plat/clock.h>
44 #include <plat/devs.h>
50 #include <plat/s5p-time.h>
51 #include <plat/backlight.h>
53 #include <plat/regs-fb.h>
57 #define SMDK6440_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
58 S3C2410_UCON_RXILEVEL | \
59 S3C2410_UCON_TXIRQMODE | \
60 S3C2410_UCON_RXIRQMODE | \
61 S3C2410_UCON_RXFIFO_TOI | \
62 S3C2443_UCON_RXERR_IRQEN)
64 #define SMDK6440_ULCON_DEFAULT S3C2410_LCON_CS8
66 #define SMDK6440_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \
67 S3C2440_UFCON_TXTRIG16 | \
68 S3C2410_UFCON_RXTRIG8)
70 static struct s3c2410_uartcfg smdk6440_uartcfgs[] __initdata = {
74 .ucon = SMDK6440_UCON_DEFAULT,
75 .ulcon = SMDK6440_ULCON_DEFAULT,
76 .ufcon = SMDK6440_UFCON_DEFAULT,
81 .ucon = SMDK6440_UCON_DEFAULT,
82 .ulcon = SMDK6440_ULCON_DEFAULT,
83 .ufcon = SMDK6440_UFCON_DEFAULT,
88 .ucon = SMDK6440_UCON_DEFAULT,
89 .ulcon = SMDK6440_ULCON_DEFAULT,
90 .ufcon = SMDK6440_UFCON_DEFAULT,
95 .ucon = SMDK6440_UCON_DEFAULT,
96 .ulcon = SMDK6440_ULCON_DEFAULT,
97 .ufcon = SMDK6440_UFCON_DEFAULT,
102 static struct s3c_fb_pd_win smdk6440_fb_win0 = {
117 static struct s3c_fb_platdata smdk6440_lcd_pdata __initdata = {
118 .win[0] = &smdk6440_fb_win0,
119 .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
120 .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
121 .setup_gpio = s5p64x0_fb_gpio_setup_24bpp,
124 /* LCD power controller */
125 static void smdk6440_lte480_reset_power(struct plat_lcd_data *pd,
131 err = gpio_request(S5P6440_GPN(5), "GPN");
133 printk(KERN_ERR "failed to request GPN for lcd reset\n");
137 gpio_direction_output(S5P6440_GPN(5), 1);
138 gpio_set_value(S5P6440_GPN(5), 0);
139 gpio_set_value(S5P6440_GPN(5), 1);
140 gpio_free(S5P6440_GPN(5));
144 static struct plat_lcd_data smdk6440_lcd_power_data = {
145 .set_power = smdk6440_lte480_reset_power,
148 static struct platform_device smdk6440_lcd_lte480wv = {
149 .name = "platform-lcd",
150 .dev.parent = &s3c_device_fb.dev,
151 .dev.platform_data = &smdk6440_lcd_power_data,
154 static struct platform_device *smdk6440_devices[] __initdata = {
164 &smdk6440_lcd_lte480wv,
167 static struct s3c2410_platform_i2c s5p6440_i2c0_data __initdata = {
170 .frequency = 100*1000,
172 .cfg_gpio = s5p6440_i2c0_cfg_gpio,
175 static struct s3c2410_platform_i2c s5p6440_i2c1_data __initdata = {
179 .frequency = 100*1000,
181 .cfg_gpio = s5p6440_i2c1_cfg_gpio,
184 static struct i2c_board_info smdk6440_i2c_devs0[] __initdata = {
185 { I2C_BOARD_INFO("24c08", 0x50), },
186 { I2C_BOARD_INFO("wm8580", 0x1b), },
189 static struct i2c_board_info smdk6440_i2c_devs1[] __initdata = {
190 /* To be populated */
193 /* LCD Backlight data */
194 static struct samsung_bl_gpio_info smdk6440_bl_gpio_info = {
195 .no = S5P6440_GPF(15),
196 .func = S3C_GPIO_SFN(2),
199 static struct platform_pwm_backlight_data smdk6440_bl_data = {
203 static void __init smdk6440_map_io(void)
205 s5p64x0_init_io(NULL, 0);
206 s3c24xx_init_clocks(12000000);
207 s3c24xx_init_uarts(smdk6440_uartcfgs, ARRAY_SIZE(smdk6440_uartcfgs));
208 s5p_set_timer_source(S5P_PWM3, S5P_PWM4);
211 static void s5p6440_set_lcd_interface(void)
215 /* select TFT LCD type (RGB I/F) */
216 cfg = __raw_readl(S5P64X0_SPCON0);
217 cfg &= ~S5P64X0_SPCON0_LCD_SEL_MASK;
218 cfg |= S5P64X0_SPCON0_LCD_SEL_RGB;
219 __raw_writel(cfg, S5P64X0_SPCON0);
222 static void __init smdk6440_machine_init(void)
224 s3c24xx_ts_set_platdata(NULL);
226 s3c_i2c0_set_platdata(&s5p6440_i2c0_data);
227 s3c_i2c1_set_platdata(&s5p6440_i2c1_data);
228 i2c_register_board_info(0, smdk6440_i2c_devs0,
229 ARRAY_SIZE(smdk6440_i2c_devs0));
230 i2c_register_board_info(1, smdk6440_i2c_devs1,
231 ARRAY_SIZE(smdk6440_i2c_devs1));
233 samsung_bl_set(&smdk6440_bl_gpio_info, &smdk6440_bl_data);
235 s5p6440_set_lcd_interface();
236 s3c_fb_set_platdata(&smdk6440_lcd_pdata);
238 platform_add_devices(smdk6440_devices, ARRAY_SIZE(smdk6440_devices));
241 MACHINE_START(SMDK6440, "SMDK6440")
242 /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
243 .atag_offset = 0x100,
245 .init_irq = s5p6440_init_irq,
246 .map_io = smdk6440_map_io,
247 .init_machine = smdk6440_machine_init,