1 /* linux/arch/arm/mach-s3c6410/mach-smdk6410.c
3 * Copyright 2008 Openmoko, Inc.
4 * Copyright 2008 Simtec Electronics
5 * Ben Dooks <ben@simtec.co.uk>
6 * http://armlinux.simtec.co.uk/
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.
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>
23 #include <linux/i2c.h>
25 #include <linux/gpio.h>
26 #include <linux/delay.h>
27 #include <linux/smsc911x.h>
28 #include <linux/regulator/fixed.h>
30 #ifdef CONFIG_SMDK6410_WM1190_EV1
31 #include <linux/mfd/wm8350/core.h>
32 #include <linux/mfd/wm8350/pmic.h>
35 #include <video/platform_lcd.h>
37 #include <asm/mach/arch.h>
38 #include <asm/mach/map.h>
39 #include <asm/mach/irq.h>
41 #include <mach/hardware.h>
42 #include <mach/regs-fb.h>
46 #include <asm/mach-types.h>
48 #include <plat/regs-serial.h>
49 #include <plat/regs-modem.h>
50 #include <plat/regs-gpio.h>
51 #include <plat/regs-sys.h>
54 #include <plat/gpio-cfg.h>
56 #include <plat/s3c6410.h>
57 #include <plat/clock.h>
58 #include <plat/devs.h>
61 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
62 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
63 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
65 static struct s3c2410_uartcfg smdk6410_uartcfgs[] __initdata = {
96 /* framebuffer and LCD setup. */
98 /* GPF15 = LCD backlight control
99 * GPF13 => Panel power
100 * GPN5 = LCD nRESET signal
101 * PWM_TOUT1 => backlight brightness
104 static void smdk6410_lcd_power_set(struct plat_lcd_data *pd,
108 gpio_direction_output(S3C64XX_GPF(13), 1);
109 gpio_direction_output(S3C64XX_GPF(15), 1);
111 /* fire nRESET on power up */
112 gpio_direction_output(S3C64XX_GPN(5), 0);
114 gpio_direction_output(S3C64XX_GPN(5), 1);
117 gpio_direction_output(S3C64XX_GPF(15), 0);
118 gpio_direction_output(S3C64XX_GPF(13), 0);
122 static struct plat_lcd_data smdk6410_lcd_power_data = {
123 .set_power = smdk6410_lcd_power_set,
126 static struct platform_device smdk6410_lcd_powerdev = {
127 .name = "platform-lcd",
128 .dev.parent = &s3c_device_fb.dev,
129 .dev.platform_data = &smdk6410_lcd_power_data,
132 static struct s3c_fb_pd_win smdk6410_fb_win0 = {
133 /* this is to ensure we use win0 */
149 /* 405566 clocks per frame => 60Hz refresh requires 24333960Hz clock */
150 static struct s3c_fb_platdata smdk6410_lcd_pdata __initdata = {
151 .setup_gpio = s3c64xx_fb_gpio_setup_24bpp,
152 .win[0] = &smdk6410_fb_win0,
153 .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
154 .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
157 static struct resource smdk6410_smsc911x_resources[] = {
160 .end = 0x18000000 + SZ_64K - 1,
161 .flags = IORESOURCE_MEM,
164 .start = S3C_EINT(10),
166 .flags = IORESOURCE_IRQ | IRQ_TYPE_LEVEL_LOW,
170 static struct smsc911x_platform_config smdk6410_smsc911x_pdata = {
171 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
172 .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
173 .flags = SMSC911X_USE_32BIT | SMSC911X_FORCE_INTERNAL_PHY,
174 .phy_interface = PHY_INTERFACE_MODE_MII,
178 static struct platform_device smdk6410_smsc911x = {
181 .num_resources = ARRAY_SIZE(smdk6410_smsc911x_resources),
182 .resource = &smdk6410_smsc911x_resources[0],
184 .platform_data = &smdk6410_smsc911x_pdata,
188 #ifdef CONFIG_REGULATOR
189 static struct regulator_consumer_supply smdk6410_b_pwr_5v_consumers[] = {
193 .dev_name = "0-001b",
198 .dev_name = "0-001b",
202 static struct regulator_init_data smdk6410_b_pwr_5v_data = {
206 .num_consumer_supplies = ARRAY_SIZE(smdk6410_b_pwr_5v_consumers),
207 .consumer_supplies = smdk6410_b_pwr_5v_consumers,
210 static struct fixed_voltage_config smdk6410_b_pwr_5v_pdata = {
211 .supply_name = "B_PWR_5V",
212 .microvolts = 5000000,
213 .init_data = &smdk6410_b_pwr_5v_data,
216 static struct platform_device smdk6410_b_pwr_5v = {
217 .name = "reg-fixed-voltage",
220 .platform_data = &smdk6410_b_pwr_5v_pdata,
225 static struct map_desc smdk6410_iodesc[] = {};
227 static struct platform_device *smdk6410_devices[] __initdata = {
228 #ifdef CONFIG_SMDK6410_SD_CH0
231 #ifdef CONFIG_SMDK6410_SD_CH1
238 &s3c_device_usb_hsotg,
240 #ifdef CONFIG_REGULATOR
243 &smdk6410_lcd_powerdev,
248 #ifdef CONFIG_SMDK6410_WM1190_EV1
249 /* S3C64xx internal logic & PLL */
250 static struct regulator_init_data wm8350_dcdc1_data = {
252 .name = "PVDD_INT/PVDD_PLL",
261 static struct regulator_init_data wm8350_dcdc3_data = {
269 .mode = REGULATOR_MODE_NORMAL,
272 .initial_state = PM_SUSPEND_MEM,
276 /* USB, EXT, PCM, ADC/DAC, USB, MMC */
277 static struct regulator_consumer_supply wm8350_dcdc4_consumers[] = {
281 .dev_name = "0-001b",
285 static struct regulator_init_data wm8350_dcdc4_data = {
287 .name = "PVDD_HI/PVDD_EXT/PVDD_SYS/PVCCM2MTV",
292 .num_consumer_supplies = ARRAY_SIZE(wm8350_dcdc4_consumers),
293 .consumer_supplies = wm8350_dcdc4_consumers,
297 static struct regulator_consumer_supply dcdc6_consumers[] = {
303 static struct regulator_init_data wm8350_dcdc6_data = {
309 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
311 .num_consumer_supplies = ARRAY_SIZE(dcdc6_consumers),
312 .consumer_supplies = dcdc6_consumers,
316 static struct regulator_init_data wm8350_ldo1_data = {
318 .name = "PVDD_ALIVE",
327 static struct regulator_init_data wm8350_ldo2_data = {
337 static struct regulator_init_data wm8350_ldo3_data = {
346 /* OTGi/1190-EV1 HPVDD & AVDD */
347 static struct regulator_init_data wm8350_ldo4_data = {
349 .name = "PVDD_OTGI/HPVDD/AVDD",
359 struct regulator_init_data *initdata;
360 } wm1190_regulators[] = {
361 { WM8350_DCDC_1, &wm8350_dcdc1_data },
362 { WM8350_DCDC_3, &wm8350_dcdc3_data },
363 { WM8350_DCDC_4, &wm8350_dcdc4_data },
364 { WM8350_DCDC_6, &wm8350_dcdc6_data },
365 { WM8350_LDO_1, &wm8350_ldo1_data },
366 { WM8350_LDO_2, &wm8350_ldo2_data },
367 { WM8350_LDO_3, &wm8350_ldo3_data },
368 { WM8350_LDO_4, &wm8350_ldo4_data },
371 static int __init smdk6410_wm8350_init(struct wm8350 *wm8350)
375 /* Configure the IRQ line */
376 s3c_gpio_setpull(S3C64XX_GPN(12), S3C_GPIO_PULL_UP);
378 /* Instantiate the regulators */
379 for (i = 0; i < ARRAY_SIZE(wm1190_regulators); i++)
380 wm8350_register_regulator(wm8350,
381 wm1190_regulators[i].regulator,
382 wm1190_regulators[i].initdata);
387 static struct wm8350_platform_data __initdata smdk6410_wm8350_pdata = {
388 .init = smdk6410_wm8350_init,
393 static struct i2c_board_info i2c_devs0[] __initdata = {
394 { I2C_BOARD_INFO("24c08", 0x50), },
395 { I2C_BOARD_INFO("wm8580", 0x1b), },
397 #ifdef CONFIG_SMDK6410_WM1190_EV1
398 { I2C_BOARD_INFO("wm8350", 0x1a),
399 .platform_data = &smdk6410_wm8350_pdata,
405 static struct i2c_board_info i2c_devs1[] __initdata = {
406 { I2C_BOARD_INFO("24c128", 0x57), }, /* Samsung S524AD0XD1 */
409 static void __init smdk6410_map_io(void)
413 s3c64xx_init_io(smdk6410_iodesc, ARRAY_SIZE(smdk6410_iodesc));
414 s3c24xx_init_clocks(12000000);
415 s3c24xx_init_uarts(smdk6410_uartcfgs, ARRAY_SIZE(smdk6410_uartcfgs));
417 /* set the LCD type */
419 tmp = __raw_readl(S3C64XX_SPCON);
420 tmp &= ~S3C64XX_SPCON_LCD_SEL_MASK;
421 tmp |= S3C64XX_SPCON_LCD_SEL_RGB;
422 __raw_writel(tmp, S3C64XX_SPCON);
424 /* remove the lcd bypass */
425 tmp = __raw_readl(S3C64XX_MODEM_MIFPCON);
426 tmp &= ~MIFPCON_LCD_BYPASS;
427 __raw_writel(tmp, S3C64XX_MODEM_MIFPCON);
430 static void __init smdk6410_machine_init(void)
432 s3c_i2c0_set_platdata(NULL);
433 s3c_i2c1_set_platdata(NULL);
434 s3c_fb_set_platdata(&smdk6410_lcd_pdata);
436 gpio_request(S3C64XX_GPN(5), "LCD power");
437 gpio_request(S3C64XX_GPF(13), "LCD power");
438 gpio_request(S3C64XX_GPF(15), "LCD power");
440 i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));
441 i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
443 platform_add_devices(smdk6410_devices, ARRAY_SIZE(smdk6410_devices));
446 MACHINE_START(SMDK6410, "SMDK6410")
447 /* Maintainer: Ben Dooks <ben@fluff.org> */
448 .phys_io = S3C_PA_UART & 0xfff00000,
449 .io_pg_offst = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
450 .boot_params = S3C64XX_PA_SDRAM + 0x100,
452 .init_irq = s3c6410_init_irq,
453 .map_io = smdk6410_map_io,
454 .init_machine = smdk6410_machine_init,
455 .timer = &s3c24xx_timer,