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mach-smdk6440.c
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1 /* linux/arch/arm/mach-s5p64x0/mach-smdk6440.c
2  *
3  * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
4  * http://www.samsung.com
5  *
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.
9 */
10 
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>
21 #include <linux/io.h>
22 #include <linux/module.h>
23 #include <linux/clk.h>
24 #include <linux/gpio.h>
25 #include <linux/pwm_backlight.h>
26 #include <linux/fb.h>
27 #include <linux/mmc/host.h>
28 
29 #include <video/platform_lcd.h>
30 #include <video/samsung_fimd.h>
31 
32 #include <asm/hardware/vic.h>
33 #include <asm/mach/arch.h>
34 #include <asm/mach/map.h>
35 #include <asm/irq.h>
36 #include <asm/mach-types.h>
37 
38 #include <mach/hardware.h>
39 #include <mach/map.h>
40 #include <mach/regs-clock.h>
41 #include <mach/i2c.h>
42 #include <mach/regs-gpio.h>
43 
44 #include <plat/regs-serial.h>
45 #include <plat/gpio-cfg.h>
46 #include <plat/clock.h>
47 #include <plat/devs.h>
48 #include <plat/cpu.h>
49 #include <linux/platform_data/i2c-s3c2410.h>
50 #include <plat/pll.h>
51 #include <plat/adc.h>
52 #include <linux/platform_data/touchscreen-s3c2410.h>
53 #include <plat/s5p-time.h>
54 #include <plat/backlight.h>
55 #include <plat/fb.h>
56 #include <plat/sdhci.h>
57 
58 #include "common.h"
59 
60 #define SMDK6440_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
61  S3C2410_UCON_RXILEVEL | \
62  S3C2410_UCON_TXIRQMODE | \
63  S3C2410_UCON_RXIRQMODE | \
64  S3C2410_UCON_RXFIFO_TOI | \
65  S3C2443_UCON_RXERR_IRQEN)
66 
67 #define SMDK6440_ULCON_DEFAULT S3C2410_LCON_CS8
68 
69 #define SMDK6440_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \
70  S3C2440_UFCON_TXTRIG16 | \
71  S3C2410_UFCON_RXTRIG8)
72 
73 static struct s3c2410_uartcfg smdk6440_uartcfgs[] __initdata = {
74  [0] = {
75  .hwport = 0,
76  .flags = 0,
77  .ucon = SMDK6440_UCON_DEFAULT,
78  .ulcon = SMDK6440_ULCON_DEFAULT,
79  .ufcon = SMDK6440_UFCON_DEFAULT,
80  },
81  [1] = {
82  .hwport = 1,
83  .flags = 0,
84  .ucon = SMDK6440_UCON_DEFAULT,
85  .ulcon = SMDK6440_ULCON_DEFAULT,
86  .ufcon = SMDK6440_UFCON_DEFAULT,
87  },
88  [2] = {
89  .hwport = 2,
90  .flags = 0,
91  .ucon = SMDK6440_UCON_DEFAULT,
92  .ulcon = SMDK6440_ULCON_DEFAULT,
93  .ufcon = SMDK6440_UFCON_DEFAULT,
94  },
95  [3] = {
96  .hwport = 3,
97  .flags = 0,
98  .ucon = SMDK6440_UCON_DEFAULT,
99  .ulcon = SMDK6440_ULCON_DEFAULT,
100  .ufcon = SMDK6440_UFCON_DEFAULT,
101  },
102 };
103 
104 /* Frame Buffer */
105 static struct s3c_fb_pd_win smdk6440_fb_win0 = {
106  .max_bpp = 32,
107  .default_bpp = 24,
108  .xres = 800,
109  .yres = 480,
110 };
111 
112 static struct fb_videomode smdk6440_lcd_timing = {
113  .left_margin = 8,
114  .right_margin = 13,
115  .upper_margin = 7,
116  .lower_margin = 5,
117  .hsync_len = 3,
118  .vsync_len = 1,
119  .xres = 800,
120  .yres = 480,
121 };
122 
123 static struct s3c_fb_platdata smdk6440_lcd_pdata __initdata = {
124  .win[0] = &smdk6440_fb_win0,
125  .vtiming = &smdk6440_lcd_timing,
126  .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
127  .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
128  .setup_gpio = s5p64x0_fb_gpio_setup_24bpp,
129 };
130 
131 /* LCD power controller */
132 static void smdk6440_lte480_reset_power(struct plat_lcd_data *pd,
133  unsigned int power)
134 {
135  int err;
136 
137  if (power) {
138  err = gpio_request(S5P6440_GPN(5), "GPN");
139  if (err) {
140  printk(KERN_ERR "failed to request GPN for lcd reset\n");
141  return;
142  }
143 
144  gpio_direction_output(S5P6440_GPN(5), 1);
145  gpio_set_value(S5P6440_GPN(5), 0);
146  gpio_set_value(S5P6440_GPN(5), 1);
147  gpio_free(S5P6440_GPN(5));
148  }
149 }
150 
151 static struct plat_lcd_data smdk6440_lcd_power_data = {
152  .set_power = smdk6440_lte480_reset_power,
153 };
154 
155 static struct platform_device smdk6440_lcd_lte480wv = {
156  .name = "platform-lcd",
157  .dev.parent = &s3c_device_fb.dev,
158  .dev.platform_data = &smdk6440_lcd_power_data,
159 };
160 
161 static struct platform_device *smdk6440_devices[] __initdata = {
162  &s3c_device_adc,
163  &s3c_device_rtc,
164  &s3c_device_i2c0,
165  &s3c_device_i2c1,
166  &s3c_device_ts,
167  &s3c_device_wdt,
168  &samsung_asoc_dma,
169  &s5p6440_device_iis,
170  &s3c_device_fb,
171  &smdk6440_lcd_lte480wv,
172  &s3c_device_hsmmc0,
173  &s3c_device_hsmmc1,
174  &s3c_device_hsmmc2,
175 };
176 
177 static struct s3c_sdhci_platdata smdk6440_hsmmc0_pdata __initdata = {
178  .cd_type = S3C_SDHCI_CD_NONE,
179 };
180 
181 static struct s3c_sdhci_platdata smdk6440_hsmmc1_pdata __initdata = {
182  .cd_type = S3C_SDHCI_CD_INTERNAL,
183 #if defined(CONFIG_S5P64X0_SD_CH1_8BIT)
184  .max_width = 8,
185  .host_caps = MMC_CAP_8_BIT_DATA,
186 #endif
187 };
188 
189 static struct s3c_sdhci_platdata smdk6440_hsmmc2_pdata __initdata = {
190  .cd_type = S3C_SDHCI_CD_NONE,
191 };
192 
193 static struct s3c2410_platform_i2c s5p6440_i2c0_data __initdata = {
194  .flags = 0,
195  .slave_addr = 0x10,
196  .frequency = 100*1000,
197  .sda_delay = 100,
198  .cfg_gpio = s5p6440_i2c0_cfg_gpio,
199 };
200 
201 static struct s3c2410_platform_i2c s5p6440_i2c1_data __initdata = {
202  .flags = 0,
203  .bus_num = 1,
204  .slave_addr = 0x10,
205  .frequency = 100*1000,
206  .sda_delay = 100,
207  .cfg_gpio = s5p6440_i2c1_cfg_gpio,
208 };
209 
210 static struct i2c_board_info smdk6440_i2c_devs0[] __initdata = {
211  { I2C_BOARD_INFO("24c08", 0x50), },
212  { I2C_BOARD_INFO("wm8580", 0x1b), },
213 };
214 
215 static struct i2c_board_info smdk6440_i2c_devs1[] __initdata = {
216  /* To be populated */
217 };
218 
219 /* LCD Backlight data */
220 static struct samsung_bl_gpio_info smdk6440_bl_gpio_info = {
221  .no = S5P6440_GPF(15),
222  .func = S3C_GPIO_SFN(2),
223 };
224 
225 static struct platform_pwm_backlight_data smdk6440_bl_data = {
226  .pwm_id = 1,
227 };
228 
229 static void __init smdk6440_map_io(void)
230 {
231  s5p64x0_init_io(NULL, 0);
232  s3c24xx_init_clocks(12000000);
233  s3c24xx_init_uarts(smdk6440_uartcfgs, ARRAY_SIZE(smdk6440_uartcfgs));
234  s5p_set_timer_source(S5P_PWM3, S5P_PWM4);
235 }
236 
237 static void s5p6440_set_lcd_interface(void)
238 {
239  unsigned int cfg;
240 
241  /* select TFT LCD type (RGB I/F) */
242  cfg = __raw_readl(S5P64X0_SPCON0);
243  cfg &= ~S5P64X0_SPCON0_LCD_SEL_MASK;
244  cfg |= S5P64X0_SPCON0_LCD_SEL_RGB;
245  __raw_writel(cfg, S5P64X0_SPCON0);
246 }
247 
248 static void __init smdk6440_machine_init(void)
249 {
250  s3c24xx_ts_set_platdata(NULL);
251 
252  s3c_i2c0_set_platdata(&s5p6440_i2c0_data);
253  s3c_i2c1_set_platdata(&s5p6440_i2c1_data);
254  i2c_register_board_info(0, smdk6440_i2c_devs0,
255  ARRAY_SIZE(smdk6440_i2c_devs0));
256  i2c_register_board_info(1, smdk6440_i2c_devs1,
257  ARRAY_SIZE(smdk6440_i2c_devs1));
258 
259  samsung_bl_set(&smdk6440_bl_gpio_info, &smdk6440_bl_data);
260 
261  s5p6440_set_lcd_interface();
262  s3c_fb_set_platdata(&smdk6440_lcd_pdata);
263 
264  s3c_sdhci0_set_platdata(&smdk6440_hsmmc0_pdata);
265  s3c_sdhci1_set_platdata(&smdk6440_hsmmc1_pdata);
266  s3c_sdhci2_set_platdata(&smdk6440_hsmmc2_pdata);
267 
268  platform_add_devices(smdk6440_devices, ARRAY_SIZE(smdk6440_devices));
269 }
270 
271 MACHINE_START(SMDK6440, "SMDK6440")
272  /* Maintainer: Kukjin Kim <[email protected]> */
273  .atag_offset = 0x100,
274 
275  .init_irq = s5p6440_init_irq,
276  .handle_irq = vic_handle_irq,
277  .map_io = smdk6440_map_io,
278  .init_machine = smdk6440_machine_init,
279  .timer = &s5p_timer,
280  .restart = s5p64x0_restart,
281 MACHINE_END
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