ARM: SAMSUNG: Add PWM backlight support on Samsung S5PC100
[deliverable/linux.git] / arch / arm / mach-s5pv210 / mach-smdkv210.c
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1/* linux/arch/arm/mach-s5pv210/mach-smdkv210.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>
170d7415 13#include <linux/i2c.h>
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14#include <linux/init.h>
15#include <linux/serial_core.h>
9adf262a 16#include <linux/sysdev.h>
9b580cdb 17#include <linux/dm9000.h>
8f49720d 18#include <linux/fb.h>
9b580cdb 19#include <linux/gpio.h>
8f49720d 20#include <linux/delay.h>
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21
22#include <asm/mach/arch.h>
23#include <asm/mach/map.h>
24#include <asm/setup.h>
25#include <asm/mach-types.h>
26
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27#include <video/platform_lcd.h>
28
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29#include <mach/map.h>
30#include <mach/regs-clock.h>
8f49720d 31#include <mach/regs-fb.h>
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32
33#include <plat/regs-serial.h>
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34#include <plat/regs-srom.h>
35#include <plat/gpio-cfg.h>
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36#include <plat/s5pv210.h>
37#include <plat/devs.h>
38#include <plat/cpu.h>
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39#include <plat/adc.h>
40#include <plat/ts.h>
4b9a5ad5 41#include <plat/ata.h>
170d7415 42#include <plat/iic.h>
88a1cc43 43#include <plat/keypad.h>
ea31fd43 44#include <plat/pm.h>
8f49720d 45#include <plat/fb.h>
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46
47/* Following are default values for UCON, ULCON and UFCON UART registers */
c8def085 48#define SMDKV210_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
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49 S3C2410_UCON_RXILEVEL | \
50 S3C2410_UCON_TXIRQMODE | \
51 S3C2410_UCON_RXIRQMODE | \
52 S3C2410_UCON_RXFIFO_TOI | \
53 S3C2443_UCON_RXERR_IRQEN)
54
c8def085 55#define SMDKV210_ULCON_DEFAULT S3C2410_LCON_CS8
98174416 56
c8def085 57#define SMDKV210_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \
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58 S5PV210_UFCON_TXTRIG4 | \
59 S5PV210_UFCON_RXTRIG4)
60
61static struct s3c2410_uartcfg smdkv210_uartcfgs[] __initdata = {
62 [0] = {
63 .hwport = 0,
64 .flags = 0,
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65 .ucon = SMDKV210_UCON_DEFAULT,
66 .ulcon = SMDKV210_ULCON_DEFAULT,
67 .ufcon = SMDKV210_UFCON_DEFAULT,
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68 },
69 [1] = {
70 .hwport = 1,
71 .flags = 0,
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72 .ucon = SMDKV210_UCON_DEFAULT,
73 .ulcon = SMDKV210_ULCON_DEFAULT,
74 .ufcon = SMDKV210_UFCON_DEFAULT,
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75 },
76 [2] = {
77 .hwport = 2,
78 .flags = 0,
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79 .ucon = SMDKV210_UCON_DEFAULT,
80 .ulcon = SMDKV210_ULCON_DEFAULT,
81 .ufcon = SMDKV210_UFCON_DEFAULT,
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82 },
83 [3] = {
84 .hwport = 3,
85 .flags = 0,
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86 .ucon = SMDKV210_UCON_DEFAULT,
87 .ulcon = SMDKV210_ULCON_DEFAULT,
88 .ufcon = SMDKV210_UFCON_DEFAULT,
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89 },
90};
91
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92static struct s3c_ide_platdata smdkv210_ide_pdata __initdata = {
93 .setup_gpio = s5pv210_ide_setup_gpio,
94};
95
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96static uint32_t smdkv210_keymap[] __initdata = {
97 /* KEY(row, col, keycode) */
98 KEY(0, 3, KEY_1), KEY(0, 4, KEY_2), KEY(0, 5, KEY_3),
99 KEY(0, 6, KEY_4), KEY(0, 7, KEY_5),
100 KEY(1, 3, KEY_A), KEY(1, 4, KEY_B), KEY(1, 5, KEY_C),
101 KEY(1, 6, KEY_D), KEY(1, 7, KEY_E)
102};
103
104static struct matrix_keymap_data smdkv210_keymap_data __initdata = {
105 .keymap = smdkv210_keymap,
106 .keymap_size = ARRAY_SIZE(smdkv210_keymap),
107};
108
109static struct samsung_keypad_platdata smdkv210_keypad_data __initdata = {
110 .keymap_data = &smdkv210_keymap_data,
111 .rows = 8,
112 .cols = 8,
113};
114
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115static struct resource smdkv210_dm9000_resources[] = {
116 [0] = {
117 .start = S5PV210_PA_SROM_BANK5,
118 .end = S5PV210_PA_SROM_BANK5,
119 .flags = IORESOURCE_MEM,
120 },
121 [1] = {
122 .start = S5PV210_PA_SROM_BANK5 + 2,
123 .end = S5PV210_PA_SROM_BANK5 + 2,
124 .flags = IORESOURCE_MEM,
125 },
126 [2] = {
127 .start = IRQ_EINT(9),
128 .end = IRQ_EINT(9),
129 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
130 },
131};
132
133static struct dm9000_plat_data smdkv210_dm9000_platdata = {
134 .flags = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
135 .dev_addr = { 0x00, 0x09, 0xc0, 0xff, 0xec, 0x48 },
136};
137
138struct platform_device smdkv210_dm9000 = {
139 .name = "dm9000",
140 .id = -1,
141 .num_resources = ARRAY_SIZE(smdkv210_dm9000_resources),
142 .resource = smdkv210_dm9000_resources,
143 .dev = {
144 .platform_data = &smdkv210_dm9000_platdata,
145 },
146};
147
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148static void smdkv210_lte480wv_set_power(struct plat_lcd_data *pd,
149 unsigned int power)
150{
151 if (power) {
152#if !defined(CONFIG_BACKLIGHT_PWM)
153 gpio_request(S5PV210_GPD0(3), "GPD0");
154 gpio_direction_output(S5PV210_GPD0(3), 1);
155 gpio_free(S5PV210_GPD0(3));
156#endif
157
158 /* fire nRESET on power up */
159 gpio_request(S5PV210_GPH0(6), "GPH0");
160
161 gpio_direction_output(S5PV210_GPH0(6), 1);
162
163 gpio_set_value(S5PV210_GPH0(6), 0);
164 mdelay(10);
165
166 gpio_set_value(S5PV210_GPH0(6), 1);
167 mdelay(10);
168
169 gpio_free(S5PV210_GPH0(6));
170 } else {
171#if !defined(CONFIG_BACKLIGHT_PWM)
172 gpio_request(S5PV210_GPD0(3), "GPD0");
173 gpio_direction_output(S5PV210_GPD0(3), 0);
174 gpio_free(S5PV210_GPD0(3));
175#endif
176 }
177}
178
179static struct plat_lcd_data smdkv210_lcd_lte480wv_data = {
180 .set_power = smdkv210_lte480wv_set_power,
181};
182
183static struct platform_device smdkv210_lcd_lte480wv = {
184 .name = "platform-lcd",
185 .dev.parent = &s3c_device_fb.dev,
186 .dev.platform_data = &smdkv210_lcd_lte480wv_data,
187};
188
189static struct s3c_fb_pd_win smdkv210_fb_win0 = {
190 .win_mode = {
191 .left_margin = 13,
192 .right_margin = 8,
193 .upper_margin = 7,
194 .lower_margin = 5,
195 .hsync_len = 3,
196 .vsync_len = 1,
197 .xres = 800,
198 .yres = 480,
199 },
200 .max_bpp = 32,
201 .default_bpp = 24,
202};
203
204static struct s3c_fb_platdata smdkv210_lcd0_pdata __initdata = {
205 .win[0] = &smdkv210_fb_win0,
206 .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
207 .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
208 .setup_gpio = s5pv210_fb_gpio_setup_24bpp,
209};
210
98174416 211static struct platform_device *smdkv210_devices[] __initdata = {
41d8289d 212 &s3c_device_adc,
4b9a5ad5 213 &s3c_device_cfcon,
8f49720d 214 &s3c_device_fb,
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215 &s3c_device_hsmmc0,
216 &s3c_device_hsmmc1,
217 &s3c_device_hsmmc2,
218 &s3c_device_hsmmc3,
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219 &s3c_device_i2c0,
220 &s3c_device_i2c1,
221 &s3c_device_i2c2,
f5807269 222 &s3c_device_rtc,
41d8289d 223 &s3c_device_ts,
5b7d7b22 224 &s3c_device_wdt,
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225 &s5pv210_device_ac97,
226 &s5pv210_device_iis0,
227 &s5pv210_device_spdif,
b9368f32 228 &samsung_asoc_dma,
0ae9a22b 229 &samsung_device_keypad,
9b580cdb 230 &smdkv210_dm9000,
8f49720d 231 &smdkv210_lcd_lte480wv,
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232};
233
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234static void __init smdkv210_dm9000_init(void)
235{
236 unsigned int tmp;
237
238 gpio_request(S5PV210_MP01(5), "nCS5");
239 s3c_gpio_cfgpin(S5PV210_MP01(5), S3C_GPIO_SFN(2));
240 gpio_free(S5PV210_MP01(5));
241
242 tmp = (5 << S5P_SROM_BCX__TACC__SHIFT);
243 __raw_writel(tmp, S5P_SROM_BC5);
244
245 tmp = __raw_readl(S5P_SROM_BW);
246 tmp &= (S5P_SROM_BW__CS_MASK << S5P_SROM_BW__NCS5__SHIFT);
247 tmp |= (1 << S5P_SROM_BW__NCS5__SHIFT);
248 __raw_writel(tmp, S5P_SROM_BW);
249}
250
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251static struct i2c_board_info smdkv210_i2c_devs0[] __initdata = {
252 { I2C_BOARD_INFO("24c08", 0x50), }, /* Samsung S524AD0XD1 */
d8710bc8 253 { I2C_BOARD_INFO("wm8580", 0x1b), },
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254};
255
256static struct i2c_board_info smdkv210_i2c_devs1[] __initdata = {
257 /* To Be Updated */
258};
259
260static struct i2c_board_info smdkv210_i2c_devs2[] __initdata = {
261 /* To Be Updated */
262};
263
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264static struct s3c2410_ts_mach_info s3c_ts_platform __initdata = {
265 .delay = 10000,
266 .presc = 49,
267 .oversampling_shift = 2,
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268};
269
270static void __init smdkv210_map_io(void)
271{
272 s5p_init_io(NULL, 0, S5P_VA_CHIPID);
273 s3c24xx_init_clocks(24000000);
274 s3c24xx_init_uarts(smdkv210_uartcfgs, ARRAY_SIZE(smdkv210_uartcfgs));
275}
276
277static void __init smdkv210_machine_init(void)
278{
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279 s3c_pm_init();
280
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281 smdkv210_dm9000_init();
282
88a1cc43 283 samsung_keypad_set_platdata(&smdkv210_keypad_data);
41d8289d 284 s3c24xx_ts_set_platdata(&s3c_ts_platform);
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285
286 s3c_i2c0_set_platdata(NULL);
287 s3c_i2c1_set_platdata(NULL);
288 s3c_i2c2_set_platdata(NULL);
289 i2c_register_board_info(0, smdkv210_i2c_devs0,
290 ARRAY_SIZE(smdkv210_i2c_devs0));
291 i2c_register_board_info(1, smdkv210_i2c_devs1,
292 ARRAY_SIZE(smdkv210_i2c_devs1));
293 i2c_register_board_info(2, smdkv210_i2c_devs2,
294 ARRAY_SIZE(smdkv210_i2c_devs2));
295
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296 s3c_ide_set_platdata(&smdkv210_ide_pdata);
297
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298 s3c_fb_set_platdata(&smdkv210_lcd0_pdata);
299
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300 platform_add_devices(smdkv210_devices, ARRAY_SIZE(smdkv210_devices));
301}
302
303MACHINE_START(SMDKV210, "SMDKV210")
304 /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
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305 .boot_params = S5P_PA_SDRAM + 0x100,
306 .init_irq = s5pv210_init_irq,
307 .map_io = smdkv210_map_io,
308 .init_machine = smdkv210_machine_init,
309 .timer = &s3c24xx_timer,
310MACHINE_END
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