Linux-libre 3.10.48-gnu
[librecmc/linux-libre.git] / arch / arm / mach-exynos / mach-smdk4x12.c
1 /*
2  * linux/arch/arm/mach-exynos4/mach-smdk4x12.c
3  *
4  * Copyright (c) 2011 Samsung Electronics Co., Ltd.
5  *              http://www.samsung.com
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 as
9  * published by the Free Software Foundation.
10 */
11
12 #include <linux/gpio.h>
13 #include <linux/i2c.h>
14 #include <linux/input.h>
15 #include <linux/io.h>
16 #include <linux/lcd.h>
17 #include <linux/mfd/max8997.h>
18 #include <linux/mmc/host.h>
19 #include <linux/platform_device.h>
20 #include <linux/pwm.h>
21 #include <linux/pwm_backlight.h>
22 #include <linux/regulator/machine.h>
23 #include <linux/serial_core.h>
24 #include <linux/platform_data/i2c-s3c2410.h>
25 #include <linux/platform_data/s3c-hsotg.h>
26
27 #include <asm/mach/arch.h>
28 #include <asm/mach-types.h>
29
30 #include <video/samsung_fimd.h>
31 #include <plat/backlight.h>
32 #include <plat/clock.h>
33 #include <plat/cpu.h>
34 #include <plat/devs.h>
35 #include <plat/fb.h>
36 #include <plat/gpio-cfg.h>
37 #include <plat/keypad.h>
38 #include <plat/mfc.h>
39 #include <plat/regs-serial.h>
40 #include <plat/sdhci.h>
41
42 #include <mach/irqs.h>
43 #include <mach/map.h>
44
45 #include <drm/exynos_drm.h>
46 #include "common.h"
47
48 /* Following are default values for UCON, ULCON and UFCON UART registers */
49 #define SMDK4X12_UCON_DEFAULT   (S3C2410_UCON_TXILEVEL |        \
50                                  S3C2410_UCON_RXILEVEL |        \
51                                  S3C2410_UCON_TXIRQMODE |       \
52                                  S3C2410_UCON_RXIRQMODE |       \
53                                  S3C2410_UCON_RXFIFO_TOI |      \
54                                  S3C2443_UCON_RXERR_IRQEN)
55
56 #define SMDK4X12_ULCON_DEFAULT  S3C2410_LCON_CS8
57
58 #define SMDK4X12_UFCON_DEFAULT  (S3C2410_UFCON_FIFOMODE |       \
59                                  S5PV210_UFCON_TXTRIG4 |        \
60                                  S5PV210_UFCON_RXTRIG4)
61
62 static struct s3c2410_uartcfg smdk4x12_uartcfgs[] __initdata = {
63         [0] = {
64                 .hwport         = 0,
65                 .flags          = 0,
66                 .ucon           = SMDK4X12_UCON_DEFAULT,
67                 .ulcon          = SMDK4X12_ULCON_DEFAULT,
68                 .ufcon          = SMDK4X12_UFCON_DEFAULT,
69         },
70         [1] = {
71                 .hwport         = 1,
72                 .flags          = 0,
73                 .ucon           = SMDK4X12_UCON_DEFAULT,
74                 .ulcon          = SMDK4X12_ULCON_DEFAULT,
75                 .ufcon          = SMDK4X12_UFCON_DEFAULT,
76         },
77         [2] = {
78                 .hwport         = 2,
79                 .flags          = 0,
80                 .ucon           = SMDK4X12_UCON_DEFAULT,
81                 .ulcon          = SMDK4X12_ULCON_DEFAULT,
82                 .ufcon          = SMDK4X12_UFCON_DEFAULT,
83         },
84         [3] = {
85                 .hwport         = 3,
86                 .flags          = 0,
87                 .ucon           = SMDK4X12_UCON_DEFAULT,
88                 .ulcon          = SMDK4X12_ULCON_DEFAULT,
89                 .ufcon          = SMDK4X12_UFCON_DEFAULT,
90         },
91 };
92
93 static struct s3c_sdhci_platdata smdk4x12_hsmmc2_pdata __initdata = {
94         .cd_type                = S3C_SDHCI_CD_INTERNAL,
95 #ifdef CONFIG_EXYNOS4_SDHCI_CH2_8BIT
96         .max_width              = 8,
97         .host_caps              = MMC_CAP_8_BIT_DATA,
98 #endif
99 };
100
101 static struct s3c_sdhci_platdata smdk4x12_hsmmc3_pdata __initdata = {
102         .cd_type                = S3C_SDHCI_CD_INTERNAL,
103 };
104
105 static struct regulator_consumer_supply max8997_buck1 =
106         REGULATOR_SUPPLY("vdd_arm", NULL);
107
108 static struct regulator_consumer_supply max8997_buck2 =
109         REGULATOR_SUPPLY("vdd_int", NULL);
110
111 static struct regulator_consumer_supply max8997_buck3 =
112         REGULATOR_SUPPLY("vdd_g3d", NULL);
113
114 static struct regulator_init_data max8997_buck1_data = {
115         .constraints    = {
116                 .name           = "VDD_ARM_SMDK4X12",
117                 .min_uV         = 925000,
118                 .max_uV         = 1350000,
119                 .always_on      = 1,
120                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
121                 .state_mem      = {
122                         .disabled       = 1,
123                 },
124         },
125         .num_consumer_supplies  = 1,
126         .consumer_supplies      = &max8997_buck1,
127 };
128
129 static struct regulator_init_data max8997_buck2_data = {
130         .constraints    = {
131                 .name           = "VDD_INT_SMDK4X12",
132                 .min_uV         = 950000,
133                 .max_uV         = 1150000,
134                 .always_on      = 1,
135                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
136                 .state_mem      = {
137                         .disabled       = 1,
138                 },
139         },
140         .num_consumer_supplies  = 1,
141         .consumer_supplies      = &max8997_buck2,
142 };
143
144 static struct regulator_init_data max8997_buck3_data = {
145         .constraints    = {
146                 .name           = "VDD_G3D_SMDK4X12",
147                 .min_uV         = 950000,
148                 .max_uV         = 1150000,
149                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
150                                   REGULATOR_CHANGE_STATUS,
151                 .state_mem      = {
152                         .disabled       = 1,
153                 },
154         },
155         .num_consumer_supplies  = 1,
156         .consumer_supplies      = &max8997_buck3,
157 };
158
159 static struct max8997_regulator_data smdk4x12_max8997_regulators[] = {
160         { MAX8997_BUCK1, &max8997_buck1_data },
161         { MAX8997_BUCK2, &max8997_buck2_data },
162         { MAX8997_BUCK3, &max8997_buck3_data },
163 };
164
165 static struct max8997_platform_data smdk4x12_max8997_pdata = {
166         .num_regulators = ARRAY_SIZE(smdk4x12_max8997_regulators),
167         .regulators     = smdk4x12_max8997_regulators,
168
169         .buck1_voltage[0] = 1100000,    /* 1.1V */
170         .buck1_voltage[1] = 1100000,    /* 1.1V */
171         .buck1_voltage[2] = 1100000,    /* 1.1V */
172         .buck1_voltage[3] = 1100000,    /* 1.1V */
173         .buck1_voltage[4] = 1100000,    /* 1.1V */
174         .buck1_voltage[5] = 1100000,    /* 1.1V */
175         .buck1_voltage[6] = 1000000,    /* 1.0V */
176         .buck1_voltage[7] = 950000,     /* 0.95V */
177
178         .buck2_voltage[0] = 1100000,    /* 1.1V */
179         .buck2_voltage[1] = 1000000,    /* 1.0V */
180         .buck2_voltage[2] = 950000,     /* 0.95V */
181         .buck2_voltage[3] = 900000,     /* 0.9V */
182         .buck2_voltage[4] = 1100000,    /* 1.1V */
183         .buck2_voltage[5] = 1000000,    /* 1.0V */
184         .buck2_voltage[6] = 950000,     /* 0.95V */
185         .buck2_voltage[7] = 900000,     /* 0.9V */
186
187         .buck5_voltage[0] = 1100000,    /* 1.1V */
188         .buck5_voltage[1] = 1100000,    /* 1.1V */
189         .buck5_voltage[2] = 1100000,    /* 1.1V */
190         .buck5_voltage[3] = 1100000,    /* 1.1V */
191         .buck5_voltage[4] = 1100000,    /* 1.1V */
192         .buck5_voltage[5] = 1100000,    /* 1.1V */
193         .buck5_voltage[6] = 1100000,    /* 1.1V */
194         .buck5_voltage[7] = 1100000,    /* 1.1V */
195 };
196
197 static struct i2c_board_info smdk4x12_i2c_devs0[] __initdata = {
198         {
199                 I2C_BOARD_INFO("max8997", 0x66),
200                 .platform_data  = &smdk4x12_max8997_pdata,
201         }
202 };
203
204 static struct i2c_board_info smdk4x12_i2c_devs1[] __initdata = {
205         { I2C_BOARD_INFO("wm8994", 0x1a), }
206 };
207
208 static struct i2c_board_info smdk4x12_i2c_devs3[] __initdata = {
209         /* nothing here yet */
210 };
211
212 static struct i2c_board_info smdk4x12_i2c_devs7[] __initdata = {
213         /* nothing here yet */
214 };
215
216 static struct samsung_bl_gpio_info smdk4x12_bl_gpio_info = {
217         .no = EXYNOS4_GPD0(1),
218         .func = S3C_GPIO_SFN(2),
219 };
220
221 static struct platform_pwm_backlight_data smdk4x12_bl_data = {
222         .pwm_id = 1,
223         .pwm_period_ns  = 1000,
224 };
225
226 static struct pwm_lookup smdk4x12_pwm_lookup[] = {
227         PWM_LOOKUP("s3c24xx-pwm.1", 0, "pwm-backlight.0", NULL),
228 };
229
230 static uint32_t smdk4x12_keymap[] __initdata = {
231         /* KEY(row, col, keycode) */
232         KEY(1, 3, KEY_1), KEY(1, 4, KEY_2), KEY(1, 5, KEY_3),
233         KEY(1, 6, KEY_4), KEY(1, 7, KEY_5),
234         KEY(2, 5, KEY_D), KEY(2, 6, KEY_A), KEY(2, 7, KEY_B),
235         KEY(0, 7, KEY_E), KEY(0, 5, KEY_C)
236 };
237
238 static struct matrix_keymap_data smdk4x12_keymap_data __initdata = {
239         .keymap         = smdk4x12_keymap,
240         .keymap_size    = ARRAY_SIZE(smdk4x12_keymap),
241 };
242
243 static struct samsung_keypad_platdata smdk4x12_keypad_data __initdata = {
244         .keymap_data    = &smdk4x12_keymap_data,
245         .rows           = 3,
246         .cols           = 8,
247 };
248
249 #ifdef CONFIG_DRM_EXYNOS_FIMD
250 static struct exynos_drm_fimd_pdata drm_fimd_pdata = {
251         .panel  = {
252                 .timing = {
253                         .left_margin    = 8,
254                         .right_margin   = 8,
255                         .upper_margin   = 6,
256                         .lower_margin   = 6,
257                         .hsync_len      = 6,
258                         .vsync_len      = 4,
259                         .xres           = 480,
260                         .yres           = 800,
261                 },
262         },
263         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
264         .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
265         .default_win    = 0,
266         .bpp            = 32,
267 };
268 #else
269 static struct s3c_fb_pd_win smdk4x12_fb_win0 = {
270         .xres           = 480,
271         .yres           = 800,
272         .virtual_x      = 480,
273         .virtual_y      = 800 * 2,
274         .max_bpp        = 32,
275         .default_bpp    = 24,
276 };
277
278 static struct fb_videomode smdk4x12_lcd_timing = {
279         .left_margin    = 8,
280         .right_margin   = 8,
281         .upper_margin   = 6,
282         .lower_margin   = 6,
283         .hsync_len      = 6,
284         .vsync_len      = 4,
285         .xres           = 480,
286         .yres           = 800,
287 };
288
289 static struct s3c_fb_platdata smdk4x12_lcd_pdata __initdata = {
290         .win[0]         = &smdk4x12_fb_win0,
291         .vtiming        = &smdk4x12_lcd_timing,
292         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
293         .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
294         .setup_gpio     = exynos4_fimd0_gpio_setup_24bpp,
295 };
296 #endif
297
298 /* USB OTG */
299 static struct s3c_hsotg_plat smdk4x12_hsotg_pdata;
300
301 static struct platform_device *smdk4x12_devices[] __initdata = {
302         &s3c_device_hsmmc2,
303         &s3c_device_hsmmc3,
304         &s3c_device_i2c0,
305         &s3c_device_i2c1,
306         &s3c_device_i2c3,
307         &s3c_device_i2c7,
308         &s3c_device_rtc,
309         &s3c_device_usb_hsotg,
310         &s3c_device_wdt,
311         &s5p_device_fimc0,
312         &s5p_device_fimc1,
313         &s5p_device_fimc2,
314         &s5p_device_fimc3,
315         &s5p_device_fimc_md,
316         &s5p_device_fimd0,
317         &s5p_device_mfc,
318         &s5p_device_mfc_l,
319         &s5p_device_mfc_r,
320         &samsung_device_keypad,
321 };
322
323 static void __init smdk4x12_map_io(void)
324 {
325         exynos_init_io(NULL, 0);
326         s3c24xx_init_uarts(smdk4x12_uartcfgs, ARRAY_SIZE(smdk4x12_uartcfgs));
327 }
328
329 static void __init smdk4x12_reserve(void)
330 {
331         s5p_mfc_reserve_mem(0x43000000, 8 << 20, 0x51000000, 8 << 20);
332 }
333
334 static void __init smdk4x12_machine_init(void)
335 {
336         s3c_i2c0_set_platdata(NULL);
337         i2c_register_board_info(0, smdk4x12_i2c_devs0,
338                                 ARRAY_SIZE(smdk4x12_i2c_devs0));
339
340         s3c_i2c1_set_platdata(NULL);
341         i2c_register_board_info(1, smdk4x12_i2c_devs1,
342                                 ARRAY_SIZE(smdk4x12_i2c_devs1));
343
344         s3c_i2c3_set_platdata(NULL);
345         i2c_register_board_info(3, smdk4x12_i2c_devs3,
346                                 ARRAY_SIZE(smdk4x12_i2c_devs3));
347
348         s3c_i2c7_set_platdata(NULL);
349         i2c_register_board_info(7, smdk4x12_i2c_devs7,
350                                 ARRAY_SIZE(smdk4x12_i2c_devs7));
351
352         samsung_bl_set(&smdk4x12_bl_gpio_info, &smdk4x12_bl_data);
353         pwm_add_table(smdk4x12_pwm_lookup, ARRAY_SIZE(smdk4x12_pwm_lookup));
354
355         samsung_keypad_set_platdata(&smdk4x12_keypad_data);
356
357         s3c_sdhci2_set_platdata(&smdk4x12_hsmmc2_pdata);
358         s3c_sdhci3_set_platdata(&smdk4x12_hsmmc3_pdata);
359
360         s3c_hsotg_set_platdata(&smdk4x12_hsotg_pdata);
361
362 #ifdef CONFIG_DRM_EXYNOS_FIMD
363         s5p_device_fimd0.dev.platform_data = &drm_fimd_pdata;
364         exynos4_fimd0_gpio_setup_24bpp();
365 #else
366         s5p_fimd0_set_platdata(&smdk4x12_lcd_pdata);
367 #endif
368
369         platform_add_devices(smdk4x12_devices, ARRAY_SIZE(smdk4x12_devices));
370 }
371
372 MACHINE_START(SMDK4212, "SMDK4212")
373         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
374         .atag_offset    = 0x100,
375         .smp            = smp_ops(exynos_smp_ops),
376         .init_irq       = exynos4_init_irq,
377         .map_io         = smdk4x12_map_io,
378         .init_machine   = smdk4x12_machine_init,
379         .init_time      = exynos_init_time,
380         .restart        = exynos4_restart,
381         .reserve        = &smdk4x12_reserve,
382 MACHINE_END
383
384 MACHINE_START(SMDK4412, "SMDK4412")
385         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
386         /* Maintainer: Changhwan Youn <chaos.youn@samsung.com> */
387         .atag_offset    = 0x100,
388         .smp            = smp_ops(exynos_smp_ops),
389         .init_irq       = exynos4_init_irq,
390         .map_io         = smdk4x12_map_io,
391         .init_machine   = smdk4x12_machine_init,
392         .init_late      = exynos_init_late,
393         .init_time      = exynos_init_time,
394         .restart        = exynos4_restart,
395         .reserve        = &smdk4x12_reserve,
396 MACHINE_END