Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
[linux-2.6.git] / arch / arm / mach-s3c6410 / mach-smdk6410.c
1 /* linux/arch/arm/mach-s3c6410/mach-smdk6410.c
2  *
3  * Copyright 2008 Openmoko, Inc.
4  * Copyright 2008 Simtec Electronics
5  *      Ben Dooks <ben@simtec.co.uk>
6  *      http://armlinux.simtec.co.uk/
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 as
10  * published by the Free Software Foundation.
11  *
12 */
13
14 #include <linux/kernel.h>
15 #include <linux/types.h>
16 #include <linux/interrupt.h>
17 #include <linux/list.h>
18 #include <linux/timer.h>
19 #include <linux/init.h>
20 #include <linux/serial_core.h>
21 #include <linux/platform_device.h>
22 #include <linux/io.h>
23 #include <linux/i2c.h>
24 #include <linux/fb.h>
25 #include <linux/gpio.h>
26 #include <linux/delay.h>
27 #include <linux/smsc911x.h>
28
29 #ifdef CONFIG_SMDK6410_WM1190_EV1
30 #include <linux/mfd/wm8350/core.h>
31 #include <linux/mfd/wm8350/pmic.h>
32 #endif
33
34 #include <video/platform_lcd.h>
35
36 #include <asm/mach/arch.h>
37 #include <asm/mach/map.h>
38 #include <asm/mach/irq.h>
39
40 #include <mach/hardware.h>
41 #include <mach/regs-fb.h>
42 #include <mach/map.h>
43
44 #include <asm/irq.h>
45 #include <asm/mach-types.h>
46
47 #include <plat/regs-serial.h>
48 #include <plat/regs-modem.h>
49 #include <plat/regs-gpio.h>
50 #include <plat/regs-sys.h>
51 #include <plat/iic.h>
52 #include <plat/fb.h>
53 #include <plat/gpio-cfg.h>
54
55 #include <plat/s3c6410.h>
56 #include <plat/clock.h>
57 #include <plat/devs.h>
58 #include <plat/cpu.h>
59
60 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
61 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
62 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
63
64 static struct s3c2410_uartcfg smdk6410_uartcfgs[] __initdata = {
65         [0] = {
66                 .hwport      = 0,
67                 .flags       = 0,
68                 .ucon        = UCON,
69                 .ulcon       = ULCON,
70                 .ufcon       = UFCON,
71         },
72         [1] = {
73                 .hwport      = 1,
74                 .flags       = 0,
75                 .ucon        = UCON,
76                 .ulcon       = ULCON,
77                 .ufcon       = UFCON,
78         },
79         [2] = {
80                 .hwport      = 2,
81                 .flags       = 0,
82                 .ucon        = UCON,
83                 .ulcon       = ULCON,
84                 .ufcon       = UFCON,
85         },
86         [3] = {
87                 .hwport      = 3,
88                 .flags       = 0,
89                 .ucon        = UCON,
90                 .ulcon       = ULCON,
91                 .ufcon       = UFCON,
92         },
93 };
94
95 /* framebuffer and LCD setup. */
96
97 /* GPF15 = LCD backlight control
98  * GPF13 => Panel power
99  * GPN5 = LCD nRESET signal
100  * PWM_TOUT1 => backlight brightness
101  */
102
103 static void smdk6410_lcd_power_set(struct plat_lcd_data *pd,
104                                    unsigned int power)
105 {
106         if (power) {
107                 gpio_direction_output(S3C64XX_GPF(13), 1);
108                 gpio_direction_output(S3C64XX_GPF(15), 1);
109
110                 /* fire nRESET on power up */
111                 gpio_direction_output(S3C64XX_GPN(5), 0);
112                 msleep(10);
113                 gpio_direction_output(S3C64XX_GPN(5), 1);
114                 msleep(1);
115         } else {
116                 gpio_direction_output(S3C64XX_GPF(15), 0);
117                 gpio_direction_output(S3C64XX_GPF(13), 0);
118         }
119 }
120
121 static struct plat_lcd_data smdk6410_lcd_power_data = {
122         .set_power      = smdk6410_lcd_power_set,
123 };
124
125 static struct platform_device smdk6410_lcd_powerdev = {
126         .name                   = "platform-lcd",
127         .dev.parent             = &s3c_device_fb.dev,
128         .dev.platform_data      = &smdk6410_lcd_power_data,
129 };
130
131 static struct s3c_fb_pd_win smdk6410_fb_win0 = {
132         /* this is to ensure we use win0 */
133         .win_mode       = {
134                 .pixclock       = 41094,
135                 .left_margin    = 8,
136                 .right_margin   = 13,
137                 .upper_margin   = 7,
138                 .lower_margin   = 5,
139                 .hsync_len      = 3,
140                 .vsync_len      = 1,
141                 .xres           = 800,
142                 .yres           = 480,
143         },
144         .max_bpp        = 32,
145         .default_bpp    = 16,
146 };
147
148 /* 405566 clocks per frame => 60Hz refresh requires 24333960Hz clock */
149 static struct s3c_fb_platdata smdk6410_lcd_pdata __initdata = {
150         .setup_gpio     = s3c64xx_fb_gpio_setup_24bpp,
151         .win[0]         = &smdk6410_fb_win0,
152         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
153         .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
154 };
155
156 static struct resource smdk6410_smsc911x_resources[] = {
157         [0] = {
158                 .start = 0x18000000,
159                 .end   = 0x18000000 + SZ_64K - 1,
160                 .flags = IORESOURCE_MEM,
161         },
162         [1] = {
163                 .start = S3C_EINT(10),
164                 .end   = S3C_EINT(10),
165                 .flags = IORESOURCE_IRQ | IRQ_TYPE_LEVEL_LOW,
166         },
167 };
168
169 static struct smsc911x_platform_config smdk6410_smsc911x_pdata = {
170         .irq_polarity  = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
171         .irq_type      = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
172         .flags         = SMSC911X_USE_32BIT | SMSC911X_FORCE_INTERNAL_PHY,
173         .phy_interface = PHY_INTERFACE_MODE_MII,
174 };
175
176
177 static struct platform_device smdk6410_smsc911x = {
178         .name          = "smsc911x",
179         .id            = -1,
180         .num_resources = ARRAY_SIZE(smdk6410_smsc911x_resources),
181         .resource      = &smdk6410_smsc911x_resources[0],
182         .dev = {
183                 .platform_data = &smdk6410_smsc911x_pdata,
184         },
185 };
186
187 static struct map_desc smdk6410_iodesc[] = {};
188
189 static struct platform_device *smdk6410_devices[] __initdata = {
190 #ifdef CONFIG_SMDK6410_SD_CH0
191         &s3c_device_hsmmc0,
192 #endif
193 #ifdef CONFIG_SMDK6410_SD_CH1
194         &s3c_device_hsmmc1,
195 #endif
196         &s3c_device_i2c0,
197         &s3c_device_i2c1,
198         &s3c_device_fb,
199         &s3c_device_usb,
200         &s3c_device_usb_hsotg,
201         &smdk6410_lcd_powerdev,
202
203         &smdk6410_smsc911x,
204 };
205
206 #ifdef CONFIG_SMDK6410_WM1190_EV1
207 /* S3C64xx internal logic & PLL */
208 static struct regulator_init_data wm8350_dcdc1_data = {
209         .constraints = {
210                 .name = "PVDD_INT/PVDD_PLL",
211                 .min_uV = 1200000,
212                 .max_uV = 1200000,
213                 .always_on = 1,
214                 .apply_uV = 1,
215         },
216 };
217
218 /* Memory */
219 static struct regulator_init_data wm8350_dcdc3_data = {
220         .constraints = {
221                 .name = "PVDD_MEM",
222                 .min_uV = 1800000,
223                 .max_uV = 1800000,
224                 .always_on = 1,
225                 .state_mem = {
226                          .uV = 1800000,
227                          .mode = REGULATOR_MODE_NORMAL,
228                          .enabled = 1,
229                  },
230                 .initial_state = PM_SUSPEND_MEM,
231         },
232 };
233
234 /* USB, EXT, PCM, ADC/DAC, USB, MMC */
235 static struct regulator_init_data wm8350_dcdc4_data = {
236         .constraints = {
237                 .name = "PVDD_HI/PVDD_EXT/PVDD_SYS/PVCCM2MTV",
238                 .min_uV = 3000000,
239                 .max_uV = 3000000,
240                 .always_on = 1,
241         },
242 };
243
244 /* ARM core */
245 static struct regulator_consumer_supply dcdc6_consumers[] = {
246         {
247                 .supply = "vddarm",
248         }
249 };
250
251 static struct regulator_init_data wm8350_dcdc6_data = {
252         .constraints = {
253                 .name = "PVDD_ARM",
254                 .min_uV = 1000000,
255                 .max_uV = 1300000,
256                 .always_on = 1,
257                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
258         },
259         .num_consumer_supplies = ARRAY_SIZE(dcdc6_consumers),
260         .consumer_supplies = dcdc6_consumers,
261 };
262
263 /* Alive */
264 static struct regulator_init_data wm8350_ldo1_data = {
265         .constraints = {
266                 .name = "PVDD_ALIVE",
267                 .min_uV = 1200000,
268                 .max_uV = 1200000,
269                 .always_on = 1,
270                 .apply_uV = 1,
271         },
272 };
273
274 /* OTG */
275 static struct regulator_init_data wm8350_ldo2_data = {
276         .constraints = {
277                 .name = "PVDD_OTG",
278                 .min_uV = 3300000,
279                 .max_uV = 3300000,
280                 .always_on = 1,
281         },
282 };
283
284 /* LCD */
285 static struct regulator_init_data wm8350_ldo3_data = {
286         .constraints = {
287                 .name = "PVDD_LCD",
288                 .min_uV = 3000000,
289                 .max_uV = 3000000,
290                 .always_on = 1,
291         },
292 };
293
294 /* OTGi/1190-EV1 HPVDD & AVDD */
295 static struct regulator_init_data wm8350_ldo4_data = {
296         .constraints = {
297                 .name = "PVDD_OTGI/HPVDD/AVDD",
298                 .min_uV = 1200000,
299                 .max_uV = 1200000,
300                 .apply_uV = 1,
301                 .always_on = 1,
302         },
303 };
304
305 static struct {
306         int regulator;
307         struct regulator_init_data *initdata;
308 } wm1190_regulators[] = {
309         { WM8350_DCDC_1, &wm8350_dcdc1_data },
310         { WM8350_DCDC_3, &wm8350_dcdc3_data },
311         { WM8350_DCDC_4, &wm8350_dcdc4_data },
312         { WM8350_DCDC_6, &wm8350_dcdc6_data },
313         { WM8350_LDO_1, &wm8350_ldo1_data },
314         { WM8350_LDO_2, &wm8350_ldo2_data },
315         { WM8350_LDO_3, &wm8350_ldo3_data },
316         { WM8350_LDO_4, &wm8350_ldo4_data },
317 };
318
319 static int __init smdk6410_wm8350_init(struct wm8350 *wm8350)
320 {
321         int i;
322
323         /* Instantiate the regulators */
324         for (i = 0; i < ARRAY_SIZE(wm1190_regulators); i++)
325                 wm8350_register_regulator(wm8350,
326                                           wm1190_regulators[i].regulator,
327                                           wm1190_regulators[i].initdata);
328
329         return 0;
330 }
331
332 static struct wm8350_platform_data __initdata smdk6410_wm8350_pdata = {
333         .init = smdk6410_wm8350_init,
334         .irq_high = 1,
335 };
336 #endif
337
338 static struct i2c_board_info i2c_devs0[] __initdata = {
339         { I2C_BOARD_INFO("24c08", 0x50), },
340         { I2C_BOARD_INFO("wm8580", 0x1b), },
341
342 #ifdef CONFIG_SMDK6410_WM1190_EV1
343         { I2C_BOARD_INFO("wm8350", 0x1a),
344           .platform_data = &smdk6410_wm8350_pdata,
345           .irq = S3C_EINT(12),
346         },
347 #endif
348 };
349
350 static struct i2c_board_info i2c_devs1[] __initdata = {
351         { I2C_BOARD_INFO("24c128", 0x57), },    /* Samsung S524AD0XD1 */
352 };
353
354 static void __init smdk6410_map_io(void)
355 {
356         u32 tmp;
357
358         s3c64xx_init_io(smdk6410_iodesc, ARRAY_SIZE(smdk6410_iodesc));
359         s3c24xx_init_clocks(12000000);
360         s3c24xx_init_uarts(smdk6410_uartcfgs, ARRAY_SIZE(smdk6410_uartcfgs));
361
362         /* set the LCD type */
363
364         tmp = __raw_readl(S3C64XX_SPCON);
365         tmp &= ~S3C64XX_SPCON_LCD_SEL_MASK;
366         tmp |= S3C64XX_SPCON_LCD_SEL_RGB;
367         __raw_writel(tmp, S3C64XX_SPCON);
368
369         /* remove the lcd bypass */
370         tmp = __raw_readl(S3C64XX_MODEM_MIFPCON);
371         tmp &= ~MIFPCON_LCD_BYPASS;
372         __raw_writel(tmp, S3C64XX_MODEM_MIFPCON);
373 }
374
375 static void __init smdk6410_machine_init(void)
376 {
377         s3c_i2c0_set_platdata(NULL);
378         s3c_i2c1_set_platdata(NULL);
379         s3c_fb_set_platdata(&smdk6410_lcd_pdata);
380
381         gpio_request(S3C64XX_GPN(5), "LCD power");
382         gpio_request(S3C64XX_GPF(13), "LCD power");
383         gpio_request(S3C64XX_GPF(15), "LCD power");
384
385         i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));
386         i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
387
388         platform_add_devices(smdk6410_devices, ARRAY_SIZE(smdk6410_devices));
389 }
390
391 MACHINE_START(SMDK6410, "SMDK6410")
392         /* Maintainer: Ben Dooks <ben@fluff.org> */
393         .phys_io        = S3C_PA_UART & 0xfff00000,
394         .io_pg_offst    = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
395         .boot_params    = S3C64XX_PA_SDRAM + 0x100,
396
397         .init_irq       = s3c6410_init_irq,
398         .map_io         = smdk6410_map_io,
399         .init_machine   = smdk6410_machine_init,
400         .timer          = &s3c24xx_timer,
401 MACHINE_END