b2c5557f50e42e1c39c3b0d2f7cfc8f4035a44fd
[pandora-kernel.git] / arch / arm / mach-exynos / mach-smdkv310.c
1 /* linux/arch/arm/mach-exynos4/mach-smdkv310.c
2  *
3  * Copyright (c) 2010-2011 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/serial_core.h>
12 #include <linux/delay.h>
13 #include <linux/gpio.h>
14 #include <linux/lcd.h>
15 #include <linux/mmc/host.h>
16 #include <linux/platform_device.h>
17 #include <linux/smsc911x.h>
18 #include <linux/io.h>
19 #include <linux/i2c.h>
20 #include <linux/input.h>
21 #include <linux/pwm_backlight.h>
22
23 #include <asm/mach/arch.h>
24 #include <asm/hardware/gic.h>
25 #include <asm/mach-types.h>
26
27 #include <video/platform_lcd.h>
28 #include <plat/regs-serial.h>
29 #include <plat/regs-srom.h>
30 #include <plat/regs-fb-v4.h>
31 #include <plat/cpu.h>
32 #include <plat/devs.h>
33 #include <plat/fb.h>
34 #include <plat/keypad.h>
35 #include <plat/sdhci.h>
36 #include <plat/iic.h>
37 #include <plat/pd.h>
38 #include <plat/gpio-cfg.h>
39 #include <plat/backlight.h>
40 #include <plat/mfc.h>
41 #include <plat/ehci.h>
42 #include <plat/clock.h>
43
44 #include <mach/map.h>
45 #include <mach/ohci.h>
46
47 #include "common.h"
48
49 /* Following are default values for UCON, ULCON and UFCON UART registers */
50 #define SMDKV310_UCON_DEFAULT   (S3C2410_UCON_TXILEVEL |        \
51                                  S3C2410_UCON_RXILEVEL |        \
52                                  S3C2410_UCON_TXIRQMODE |       \
53                                  S3C2410_UCON_RXIRQMODE |       \
54                                  S3C2410_UCON_RXFIFO_TOI |      \
55                                  S3C2443_UCON_RXERR_IRQEN)
56
57 #define SMDKV310_ULCON_DEFAULT  S3C2410_LCON_CS8
58
59 #define SMDKV310_UFCON_DEFAULT  (S3C2410_UFCON_FIFOMODE |       \
60                                  S5PV210_UFCON_TXTRIG4 |        \
61                                  S5PV210_UFCON_RXTRIG4)
62
63 static struct s3c2410_uartcfg smdkv310_uartcfgs[] __initdata = {
64         [0] = {
65                 .hwport         = 0,
66                 .flags          = 0,
67                 .ucon           = SMDKV310_UCON_DEFAULT,
68                 .ulcon          = SMDKV310_ULCON_DEFAULT,
69                 .ufcon          = SMDKV310_UFCON_DEFAULT,
70         },
71         [1] = {
72                 .hwport         = 1,
73                 .flags          = 0,
74                 .ucon           = SMDKV310_UCON_DEFAULT,
75                 .ulcon          = SMDKV310_ULCON_DEFAULT,
76                 .ufcon          = SMDKV310_UFCON_DEFAULT,
77         },
78         [2] = {
79                 .hwport         = 2,
80                 .flags          = 0,
81                 .ucon           = SMDKV310_UCON_DEFAULT,
82                 .ulcon          = SMDKV310_ULCON_DEFAULT,
83                 .ufcon          = SMDKV310_UFCON_DEFAULT,
84         },
85         [3] = {
86                 .hwport         = 3,
87                 .flags          = 0,
88                 .ucon           = SMDKV310_UCON_DEFAULT,
89                 .ulcon          = SMDKV310_ULCON_DEFAULT,
90                 .ufcon          = SMDKV310_UFCON_DEFAULT,
91         },
92 };
93
94 static struct s3c_sdhci_platdata smdkv310_hsmmc0_pdata __initdata = {
95         .cd_type                = S3C_SDHCI_CD_INTERNAL,
96         .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
97 #ifdef CONFIG_EXYNOS4_SDHCI_CH0_8BIT
98         .max_width              = 8,
99         .host_caps              = MMC_CAP_8_BIT_DATA,
100 #endif
101 };
102
103 static struct s3c_sdhci_platdata smdkv310_hsmmc1_pdata __initdata = {
104         .cd_type                = S3C_SDHCI_CD_GPIO,
105         .ext_cd_gpio            = EXYNOS4_GPK0(2),
106         .ext_cd_gpio_invert     = 1,
107         .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
108 };
109
110 static struct s3c_sdhci_platdata smdkv310_hsmmc2_pdata __initdata = {
111         .cd_type                = S3C_SDHCI_CD_INTERNAL,
112         .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
113 #ifdef CONFIG_EXYNOS4_SDHCI_CH2_8BIT
114         .max_width              = 8,
115         .host_caps              = MMC_CAP_8_BIT_DATA,
116 #endif
117 };
118
119 static struct s3c_sdhci_platdata smdkv310_hsmmc3_pdata __initdata = {
120         .cd_type                = S3C_SDHCI_CD_GPIO,
121         .ext_cd_gpio            = EXYNOS4_GPK2(2),
122         .ext_cd_gpio_invert     = 1,
123         .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
124 };
125
126 static void lcd_lte480wv_set_power(struct plat_lcd_data *pd,
127                                    unsigned int power)
128 {
129         if (power) {
130 #if !defined(CONFIG_BACKLIGHT_PWM)
131                 gpio_request_one(EXYNOS4_GPD0(1), GPIOF_OUT_INIT_HIGH, "GPD0");
132                 gpio_free(EXYNOS4_GPD0(1));
133 #endif
134                 /* fire nRESET on power up */
135                 gpio_request_one(EXYNOS4_GPX0(6), GPIOF_OUT_INIT_HIGH, "GPX0");
136                 mdelay(100);
137
138                 gpio_set_value(EXYNOS4_GPX0(6), 0);
139                 mdelay(10);
140
141                 gpio_set_value(EXYNOS4_GPX0(6), 1);
142                 mdelay(10);
143
144                 gpio_free(EXYNOS4_GPX0(6));
145         } else {
146 #if !defined(CONFIG_BACKLIGHT_PWM)
147                 gpio_request_one(EXYNOS4_GPD0(1), GPIOF_OUT_INIT_LOW, "GPD0");
148                 gpio_free(EXYNOS4_GPD0(1));
149 #endif
150         }
151 }
152
153 static struct plat_lcd_data smdkv310_lcd_lte480wv_data = {
154         .set_power              = lcd_lte480wv_set_power,
155 };
156
157 static struct platform_device smdkv310_lcd_lte480wv = {
158         .name                   = "platform-lcd",
159         .dev.parent             = &s5p_device_fimd0.dev,
160         .dev.platform_data      = &smdkv310_lcd_lte480wv_data,
161 };
162
163 static struct s3c_fb_pd_win smdkv310_fb_win0 = {
164         .win_mode = {
165                 .left_margin    = 13,
166                 .right_margin   = 8,
167                 .upper_margin   = 7,
168                 .lower_margin   = 5,
169                 .hsync_len      = 3,
170                 .vsync_len      = 1,
171                 .xres           = 800,
172                 .yres           = 480,
173         },
174         .max_bpp                = 32,
175         .default_bpp            = 24,
176 };
177
178 static struct s3c_fb_platdata smdkv310_lcd0_pdata __initdata = {
179         .win[0]         = &smdkv310_fb_win0,
180         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
181         .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
182         .setup_gpio     = exynos4_fimd0_gpio_setup_24bpp,
183 };
184
185 static struct resource smdkv310_smsc911x_resources[] = {
186         [0] = {
187                 .start  = EXYNOS4_PA_SROM_BANK(1),
188                 .end    = EXYNOS4_PA_SROM_BANK(1) + SZ_64K - 1,
189                 .flags  = IORESOURCE_MEM,
190         },
191         [1] = {
192                 .start  = IRQ_EINT(5),
193                 .end    = IRQ_EINT(5),
194                 .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
195         },
196 };
197
198 static struct smsc911x_platform_config smsc9215_config = {
199         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
200         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
201         .flags          = SMSC911X_USE_16BIT | SMSC911X_FORCE_INTERNAL_PHY,
202         .phy_interface  = PHY_INTERFACE_MODE_MII,
203         .mac            = {0x00, 0x80, 0x00, 0x23, 0x45, 0x67},
204 };
205
206 static struct platform_device smdkv310_smsc911x = {
207         .name           = "smsc911x",
208         .id             = -1,
209         .num_resources  = ARRAY_SIZE(smdkv310_smsc911x_resources),
210         .resource       = smdkv310_smsc911x_resources,
211         .dev            = {
212                 .platform_data  = &smsc9215_config,
213         },
214 };
215
216 static uint32_t smdkv310_keymap[] __initdata = {
217         /* KEY(row, col, keycode) */
218         KEY(0, 3, KEY_1), KEY(0, 4, KEY_2), KEY(0, 5, KEY_3),
219         KEY(0, 6, KEY_4), KEY(0, 7, KEY_5),
220         KEY(1, 3, KEY_A), KEY(1, 4, KEY_B), KEY(1, 5, KEY_C),
221         KEY(1, 6, KEY_D), KEY(1, 7, KEY_E)
222 };
223
224 static struct matrix_keymap_data smdkv310_keymap_data __initdata = {
225         .keymap         = smdkv310_keymap,
226         .keymap_size    = ARRAY_SIZE(smdkv310_keymap),
227 };
228
229 static struct samsung_keypad_platdata smdkv310_keypad_data __initdata = {
230         .keymap_data    = &smdkv310_keymap_data,
231         .rows           = 2,
232         .cols           = 8,
233 };
234
235 static struct i2c_board_info i2c_devs1[] __initdata = {
236         {I2C_BOARD_INFO("wm8994", 0x1a),},
237 };
238
239 /* USB EHCI */
240 static struct s5p_ehci_platdata smdkv310_ehci_pdata;
241
242 static void __init smdkv310_ehci_init(void)
243 {
244         struct s5p_ehci_platdata *pdata = &smdkv310_ehci_pdata;
245
246         s5p_ehci_set_platdata(pdata);
247 }
248
249 /* USB OHCI */
250 static struct exynos4_ohci_platdata smdkv310_ohci_pdata;
251
252 static void __init smdkv310_ohci_init(void)
253 {
254         struct exynos4_ohci_platdata *pdata = &smdkv310_ohci_pdata;
255
256         exynos4_ohci_set_platdata(pdata);
257 }
258
259 static struct platform_device *smdkv310_devices[] __initdata = {
260         &s3c_device_hsmmc0,
261         &s3c_device_hsmmc1,
262         &s3c_device_hsmmc2,
263         &s3c_device_hsmmc3,
264         &s3c_device_i2c1,
265         &s5p_device_i2c_hdmiphy,
266         &s3c_device_rtc,
267         &s3c_device_wdt,
268         &s5p_device_ehci,
269         &s5p_device_fimc0,
270         &s5p_device_fimc1,
271         &s5p_device_fimc2,
272         &s5p_device_fimc3,
273         &exynos4_device_ac97,
274         &exynos4_device_i2s0,
275         &exynos4_device_ohci,
276         &samsung_device_keypad,
277         &s5p_device_mfc,
278         &s5p_device_mfc_l,
279         &s5p_device_mfc_r,
280         &exynos4_device_pd[PD_MFC],
281         &exynos4_device_pd[PD_G3D],
282         &exynos4_device_pd[PD_LCD0],
283         &exynos4_device_pd[PD_LCD1],
284         &exynos4_device_pd[PD_CAM],
285         &exynos4_device_pd[PD_TV],
286         &exynos4_device_pd[PD_GPS],
287         &exynos4_device_spdif,
288         &exynos4_device_sysmmu,
289         &samsung_asoc_dma,
290         &samsung_asoc_idma,
291         &s5p_device_fimd0,
292         &smdkv310_lcd_lte480wv,
293         &smdkv310_smsc911x,
294         &exynos4_device_ahci,
295         &s5p_device_hdmi,
296         &s5p_device_mixer,
297 };
298
299 static void __init smdkv310_smsc911x_init(void)
300 {
301         u32 cs1;
302
303         /* configure nCS1 width to 16 bits */
304         cs1 = __raw_readl(S5P_SROM_BW) &
305                 ~(S5P_SROM_BW__CS_MASK << S5P_SROM_BW__NCS1__SHIFT);
306         cs1 |= ((1 << S5P_SROM_BW__DATAWIDTH__SHIFT) |
307                 (1 << S5P_SROM_BW__WAITENABLE__SHIFT) |
308                 (1 << S5P_SROM_BW__BYTEENABLE__SHIFT)) <<
309                 S5P_SROM_BW__NCS1__SHIFT;
310         __raw_writel(cs1, S5P_SROM_BW);
311
312         /* set timing for nCS1 suitable for ethernet chip */
313         __raw_writel((0x1 << S5P_SROM_BCX__PMC__SHIFT) |
314                      (0x9 << S5P_SROM_BCX__TACP__SHIFT) |
315                      (0xc << S5P_SROM_BCX__TCAH__SHIFT) |
316                      (0x1 << S5P_SROM_BCX__TCOH__SHIFT) |
317                      (0x6 << S5P_SROM_BCX__TACC__SHIFT) |
318                      (0x1 << S5P_SROM_BCX__TCOS__SHIFT) |
319                      (0x1 << S5P_SROM_BCX__TACS__SHIFT), S5P_SROM_BC1);
320 }
321
322 /* LCD Backlight data */
323 static struct samsung_bl_gpio_info smdkv310_bl_gpio_info = {
324         .no = EXYNOS4_GPD0(1),
325         .func = S3C_GPIO_SFN(2),
326 };
327
328 static struct platform_pwm_backlight_data smdkv310_bl_data = {
329         .pwm_id = 1,
330         .pwm_period_ns  = 1000,
331 };
332
333 static void s5p_tv_setup(void)
334 {
335         /* direct HPD to HDMI chip */
336         WARN_ON(gpio_request_one(EXYNOS4_GPX3(7), GPIOF_IN, "hpd-plug"));
337         s3c_gpio_cfgpin(EXYNOS4_GPX3(7), S3C_GPIO_SFN(0x3));
338         s3c_gpio_setpull(EXYNOS4_GPX3(7), S3C_GPIO_PULL_NONE);
339
340         /* setup dependencies between TV devices */
341         s5p_device_hdmi.dev.parent = &exynos4_device_pd[PD_TV].dev;
342         s5p_device_mixer.dev.parent = &exynos4_device_pd[PD_TV].dev;
343 }
344
345 static void __init smdkv310_map_io(void)
346 {
347         exynos_init_io(NULL, 0);
348         s3c24xx_init_clocks(24000000);
349         s3c24xx_init_uarts(smdkv310_uartcfgs, ARRAY_SIZE(smdkv310_uartcfgs));
350 }
351
352 static void __init smdkv310_reserve(void)
353 {
354         s5p_mfc_reserve_mem(0x43000000, 8 << 20, 0x51000000, 8 << 20);
355 }
356
357 static void __init smdkv310_machine_init(void)
358 {
359         s3c_i2c1_set_platdata(NULL);
360         i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
361
362         smdkv310_smsc911x_init();
363
364         s3c_sdhci0_set_platdata(&smdkv310_hsmmc0_pdata);
365         s3c_sdhci1_set_platdata(&smdkv310_hsmmc1_pdata);
366         s3c_sdhci2_set_platdata(&smdkv310_hsmmc2_pdata);
367         s3c_sdhci3_set_platdata(&smdkv310_hsmmc3_pdata);
368
369         s5p_tv_setup();
370         s5p_i2c_hdmiphy_set_platdata(NULL);
371
372         samsung_keypad_set_platdata(&smdkv310_keypad_data);
373
374         samsung_bl_set(&smdkv310_bl_gpio_info, &smdkv310_bl_data);
375         s5p_fimd0_set_platdata(&smdkv310_lcd0_pdata);
376
377         smdkv310_ehci_init();
378         smdkv310_ohci_init();
379         clk_xusbxti.rate = 24000000;
380
381         platform_add_devices(smdkv310_devices, ARRAY_SIZE(smdkv310_devices));
382         s5p_device_mfc.dev.parent = &exynos4_device_pd[PD_MFC].dev;
383 }
384
385 MACHINE_START(SMDKV310, "SMDKV310")
386         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
387         /* Maintainer: Changhwan Youn <chaos.youn@samsung.com> */
388         .atag_offset    = 0x100,
389         .init_irq       = exynos4_init_irq,
390         .map_io         = smdkv310_map_io,
391         .handle_irq     = gic_handle_irq,
392         .init_machine   = smdkv310_machine_init,
393         .timer          = &exynos4_timer,
394         .reserve        = &smdkv310_reserve,
395         .restart        = exynos4_restart,
396 MACHINE_END
397
398 MACHINE_START(SMDKC210, "SMDKC210")
399         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
400         .atag_offset    = 0x100,
401         .init_irq       = exynos4_init_irq,
402         .map_io         = smdkv310_map_io,
403         .handle_irq     = gic_handle_irq,
404         .init_machine   = smdkv310_machine_init,
405         .timer          = &exynos4_timer,
406         .restart        = exynos4_restart,
407 MACHINE_END