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mach-smdk6450.c
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1 /* linux/arch/arm/mach-s5p64x0/mach-smdk6450.c
2  *
3  * Copyright (c) 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 SMDK6450_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 SMDK6450_ULCON_DEFAULT S3C2410_LCON_CS8
68 
69 #define SMDK6450_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \
70  S3C2440_UFCON_TXTRIG16 | \
71  S3C2410_UFCON_RXTRIG8)
72 
73 static struct s3c2410_uartcfg smdk6450_uartcfgs[] __initdata = {
74  [0] = {
75  .hwport = 0,
76  .flags = 0,
77  .ucon = SMDK6450_UCON_DEFAULT,
78  .ulcon = SMDK6450_ULCON_DEFAULT,
79  .ufcon = SMDK6450_UFCON_DEFAULT,
80  },
81  [1] = {
82  .hwport = 1,
83  .flags = 0,
84  .ucon = SMDK6450_UCON_DEFAULT,
85  .ulcon = SMDK6450_ULCON_DEFAULT,
86  .ufcon = SMDK6450_UFCON_DEFAULT,
87  },
88  [2] = {
89  .hwport = 2,
90  .flags = 0,
91  .ucon = SMDK6450_UCON_DEFAULT,
92  .ulcon = SMDK6450_ULCON_DEFAULT,
93  .ufcon = SMDK6450_UFCON_DEFAULT,
94  },
95  [3] = {
96  .hwport = 3,
97  .flags = 0,
98  .ucon = SMDK6450_UCON_DEFAULT,
99  .ulcon = SMDK6450_ULCON_DEFAULT,
100  .ufcon = SMDK6450_UFCON_DEFAULT,
101  },
102 #if CONFIG_SERIAL_SAMSUNG_UARTS > 4
103  [4] = {
104  .hwport = 4,
105  .flags = 0,
106  .ucon = SMDK6450_UCON_DEFAULT,
107  .ulcon = SMDK6450_ULCON_DEFAULT,
108  .ufcon = SMDK6450_UFCON_DEFAULT,
109  },
110 #endif
111 #if CONFIG_SERIAL_SAMSUNG_UARTS > 5
112  [5] = {
113  .hwport = 5,
114  .flags = 0,
115  .ucon = SMDK6450_UCON_DEFAULT,
116  .ulcon = SMDK6450_ULCON_DEFAULT,
117  .ufcon = SMDK6450_UFCON_DEFAULT,
118  },
119 #endif
120 };
121 
122 /* Frame Buffer */
123 static struct s3c_fb_pd_win smdk6450_fb_win0 = {
124  .max_bpp = 32,
125  .default_bpp = 24,
126  .xres = 800,
127  .yres = 480,
128 };
129 
130 static struct fb_videomode smdk6450_lcd_timing = {
131  .left_margin = 8,
132  .right_margin = 13,
133  .upper_margin = 7,
134  .lower_margin = 5,
135  .hsync_len = 3,
136  .vsync_len = 1,
137  .xres = 800,
138  .yres = 480,
139 };
140 
141 static struct s3c_fb_platdata smdk6450_lcd_pdata __initdata = {
142  .win[0] = &smdk6450_fb_win0,
143  .vtiming = &smdk6450_lcd_timing,
144  .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
145  .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
146  .setup_gpio = s5p64x0_fb_gpio_setup_24bpp,
147 };
148 
149 /* LCD power controller */
150 static void smdk6450_lte480_reset_power(struct plat_lcd_data *pd,
151  unsigned int power)
152 {
153  int err;
154 
155  if (power) {
156  err = gpio_request(S5P6450_GPN(5), "GPN");
157  if (err) {
158  printk(KERN_ERR "failed to request GPN for lcd reset\n");
159  return;
160  }
161 
162  gpio_direction_output(S5P6450_GPN(5), 1);
163  gpio_set_value(S5P6450_GPN(5), 0);
164  gpio_set_value(S5P6450_GPN(5), 1);
165  gpio_free(S5P6450_GPN(5));
166  }
167 }
168 
169 static struct plat_lcd_data smdk6450_lcd_power_data = {
170  .set_power = smdk6450_lte480_reset_power,
171 };
172 
173 static struct platform_device smdk6450_lcd_lte480wv = {
174  .name = "platform-lcd",
175  .dev.parent = &s3c_device_fb.dev,
176  .dev.platform_data = &smdk6450_lcd_power_data,
177 };
178 
179 static struct platform_device *smdk6450_devices[] __initdata = {
180  &s3c_device_adc,
181  &s3c_device_rtc,
182  &s3c_device_i2c0,
183  &s3c_device_i2c1,
184  &s3c_device_ts,
185  &s3c_device_wdt,
186  &samsung_asoc_dma,
187  &s5p6450_device_iis0,
188  &s3c_device_fb,
189  &smdk6450_lcd_lte480wv,
190  &s3c_device_hsmmc0,
191  &s3c_device_hsmmc1,
192  &s3c_device_hsmmc2,
193  /* s5p6450_device_spi0 will be added */
194 };
195 
196 static struct s3c_sdhci_platdata smdk6450_hsmmc0_pdata __initdata = {
197  .cd_type = S3C_SDHCI_CD_NONE,
198 };
199 
200 static struct s3c_sdhci_platdata smdk6450_hsmmc1_pdata __initdata = {
201  .cd_type = S3C_SDHCI_CD_NONE,
202 #if defined(CONFIG_S5P64X0_SD_CH1_8BIT)
203  .max_width = 8,
204  .host_caps = MMC_CAP_8_BIT_DATA,
205 #endif
206 };
207 
208 static struct s3c_sdhci_platdata smdk6450_hsmmc2_pdata __initdata = {
209  .cd_type = S3C_SDHCI_CD_NONE,
210 };
211 
212 static struct s3c2410_platform_i2c s5p6450_i2c0_data __initdata = {
213  .flags = 0,
214  .slave_addr = 0x10,
215  .frequency = 100*1000,
216  .sda_delay = 100,
217  .cfg_gpio = s5p6450_i2c0_cfg_gpio,
218 };
219 
220 static struct s3c2410_platform_i2c s5p6450_i2c1_data __initdata = {
221  .flags = 0,
222  .bus_num = 1,
223  .slave_addr = 0x10,
224  .frequency = 100*1000,
225  .sda_delay = 100,
226  .cfg_gpio = s5p6450_i2c1_cfg_gpio,
227 };
228 
229 static struct i2c_board_info smdk6450_i2c_devs0[] __initdata = {
230  { I2C_BOARD_INFO("wm8580", 0x1b), },
231  { I2C_BOARD_INFO("24c08", 0x50), }, /* Samsung KS24C080C EEPROM */
232 };
233 
234 static struct i2c_board_info smdk6450_i2c_devs1[] __initdata = {
235  { I2C_BOARD_INFO("24c128", 0x57), },/* Samsung S524AD0XD1 EEPROM */
236 };
237 
238 /* LCD Backlight data */
239 static struct samsung_bl_gpio_info smdk6450_bl_gpio_info = {
240  .no = S5P6450_GPF(15),
241  .func = S3C_GPIO_SFN(2),
242 };
243 
244 static struct platform_pwm_backlight_data smdk6450_bl_data = {
245  .pwm_id = 1,
246 };
247 
248 static void __init smdk6450_map_io(void)
249 {
250  s5p64x0_init_io(NULL, 0);
251  s3c24xx_init_clocks(19200000);
252  s3c24xx_init_uarts(smdk6450_uartcfgs, ARRAY_SIZE(smdk6450_uartcfgs));
253  s5p_set_timer_source(S5P_PWM3, S5P_PWM4);
254 }
255 
256 static void s5p6450_set_lcd_interface(void)
257 {
258  unsigned int cfg;
259 
260  /* select TFT LCD type (RGB I/F) */
261  cfg = __raw_readl(S5P64X0_SPCON0);
262  cfg &= ~S5P64X0_SPCON0_LCD_SEL_MASK;
263  cfg |= S5P64X0_SPCON0_LCD_SEL_RGB;
264  __raw_writel(cfg, S5P64X0_SPCON0);
265 }
266 
267 static void __init smdk6450_machine_init(void)
268 {
269  s3c24xx_ts_set_platdata(NULL);
270 
271  s3c_i2c0_set_platdata(&s5p6450_i2c0_data);
272  s3c_i2c1_set_platdata(&s5p6450_i2c1_data);
273  i2c_register_board_info(0, smdk6450_i2c_devs0,
274  ARRAY_SIZE(smdk6450_i2c_devs0));
275  i2c_register_board_info(1, smdk6450_i2c_devs1,
276  ARRAY_SIZE(smdk6450_i2c_devs1));
277 
278  samsung_bl_set(&smdk6450_bl_gpio_info, &smdk6450_bl_data);
279 
280  s5p6450_set_lcd_interface();
281  s3c_fb_set_platdata(&smdk6450_lcd_pdata);
282 
283  s3c_sdhci0_set_platdata(&smdk6450_hsmmc0_pdata);
284  s3c_sdhci1_set_platdata(&smdk6450_hsmmc1_pdata);
285  s3c_sdhci2_set_platdata(&smdk6450_hsmmc2_pdata);
286 
287  platform_add_devices(smdk6450_devices, ARRAY_SIZE(smdk6450_devices));
288 }
289 
290 MACHINE_START(SMDK6450, "SMDK6450")
291  /* Maintainer: Kukjin Kim <[email protected]> */
292  .atag_offset = 0x100,
293 
294  .init_irq = s5p6450_init_irq,
295  .handle_irq = vic_handle_irq,
296  .map_io = smdk6450_map_io,
297  .init_machine = smdk6450_machine_init,
298  .timer = &s5p_timer,
299  .restart = s5p64x0_restart,
300 MACHINE_END
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