1 // SPDX-License-Identifier: GPL-2.0
3 // Copyright 2008 Openmoko, Inc.
4 // Copyright 2008 Simtec Electronics
5 // Ben Dooks <ben@simtec.co.uk>
6 // http://armlinux.simtec.co.uk/
8 #include <linux/kernel.h>
9 #include <linux/types.h>
10 #include <linux/interrupt.h>
11 #include <linux/list.h>
12 #include <linux/timer.h>
13 #include <linux/init.h>
14 #include <linux/input.h>
15 #include <linux/serial_core.h>
16 #include <linux/serial_s3c.h>
17 #include <linux/platform_device.h>
19 #include <linux/i2c.h>
20 #include <linux/leds.h>
22 #include <linux/gpio.h>
23 #include <linux/delay.h>
24 #include <linux/smsc911x.h>
25 #include <linux/regulator/fixed.h>
26 #include <linux/regulator/machine.h>
27 #include <linux/pwm.h>
28 #include <linux/pwm_backlight.h>
29 #include <linux/platform_data/s3c-hsotg.h>
31 #ifdef CONFIG_SMDK6410_WM1190_EV1
32 #include <linux/mfd/wm8350/core.h>
33 #include <linux/mfd/wm8350/pmic.h>
36 #ifdef CONFIG_SMDK6410_WM1192_EV1
37 #include <linux/mfd/wm831x/core.h>
38 #include <linux/mfd/wm831x/pdata.h>
41 #include <video/platform_lcd.h>
42 #include <video/samsung_fimd.h>
44 #include <asm/mach/arch.h>
45 #include <asm/mach/map.h>
46 #include <asm/mach/irq.h>
48 #include <mach/hardware.h>
49 #include <mach/irqs.h>
53 #include <asm/mach-types.h>
55 #include <mach/regs-gpio.h>
56 #include <mach/gpio-samsung.h>
57 #include <linux/platform_data/ata-samsung_cf.h>
58 #include <linux/platform_data/i2c-s3c2410.h>
60 #include <plat/gpio-cfg.h>
62 #include <plat/devs.h>
65 #include <linux/platform_data/touchscreen-s3c2410.h>
66 #include <plat/keypad.h>
67 #include <plat/samsung-time.h>
69 #include "backlight.h"
71 #include "regs-modem.h"
72 #include "regs-srom.h"
75 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
76 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
77 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
79 static struct s3c2410_uartcfg smdk6410_uartcfgs[] __initdata = {
110 /* framebuffer and LCD setup. */
112 /* GPF15 = LCD backlight control
113 * GPF13 => Panel power
114 * GPN5 = LCD nRESET signal
115 * PWM_TOUT1 => backlight brightness
118 static void smdk6410_lcd_power_set(struct plat_lcd_data *pd,
122 gpio_direction_output(S3C64XX_GPF(13), 1);
124 /* fire nRESET on power up */
125 gpio_direction_output(S3C64XX_GPN(5), 0);
127 gpio_direction_output(S3C64XX_GPN(5), 1);
130 gpio_direction_output(S3C64XX_GPF(13), 0);
134 static struct plat_lcd_data smdk6410_lcd_power_data = {
135 .set_power = smdk6410_lcd_power_set,
138 static struct platform_device smdk6410_lcd_powerdev = {
139 .name = "platform-lcd",
140 .dev.parent = &s3c_device_fb.dev,
141 .dev.platform_data = &smdk6410_lcd_power_data,
144 static struct s3c_fb_pd_win smdk6410_fb_win0 = {
149 .virtual_y = 480 * 2,
153 static struct fb_videomode smdk6410_lcd_timing = {
164 /* 405566 clocks per frame => 60Hz refresh requires 24333960Hz clock */
165 static struct s3c_fb_platdata smdk6410_lcd_pdata __initdata = {
166 .setup_gpio = s3c64xx_fb_gpio_setup_24bpp,
167 .vtiming = &smdk6410_lcd_timing,
168 .win[0] = &smdk6410_fb_win0,
169 .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
170 .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
174 * Configuring Ethernet on SMDK6410
176 * Both CS8900A and LAN9115 chips share one chip select mediated by CFG6.
177 * The constant address below corresponds to nCS1
179 * 1) Set CFGB2 p3 ON others off, no other CFGB selects "ethernet"
180 * 2) CFG6 needs to be switched to "LAN9115" side
183 static struct resource smdk6410_smsc911x_resources[] = {
184 [0] = DEFINE_RES_MEM(S3C64XX_PA_XM0CSN1, SZ_64K),
185 [1] = DEFINE_RES_NAMED(S3C_EINT(10), 1, NULL, IORESOURCE_IRQ \
186 | IRQ_TYPE_LEVEL_LOW),
189 static struct smsc911x_platform_config smdk6410_smsc911x_pdata = {
190 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
191 .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
192 .flags = SMSC911X_USE_32BIT | SMSC911X_FORCE_INTERNAL_PHY,
193 .phy_interface = PHY_INTERFACE_MODE_MII,
197 static struct platform_device smdk6410_smsc911x = {
200 .num_resources = ARRAY_SIZE(smdk6410_smsc911x_resources),
201 .resource = &smdk6410_smsc911x_resources[0],
203 .platform_data = &smdk6410_smsc911x_pdata,
207 #ifdef CONFIG_REGULATOR
208 static struct regulator_consumer_supply smdk6410_b_pwr_5v_consumers[] = {
209 REGULATOR_SUPPLY("PVDD", "0-001b"),
210 REGULATOR_SUPPLY("AVDD", "0-001b"),
213 static struct regulator_init_data __maybe_unused smdk6410_b_pwr_5v_data = {
217 .num_consumer_supplies = ARRAY_SIZE(smdk6410_b_pwr_5v_consumers),
218 .consumer_supplies = smdk6410_b_pwr_5v_consumers,
221 static struct fixed_voltage_config smdk6410_b_pwr_5v_pdata = {
222 .supply_name = "B_PWR_5V",
223 .microvolts = 5000000,
224 .init_data = &smdk6410_b_pwr_5v_data,
228 static struct platform_device smdk6410_b_pwr_5v = {
229 .name = "reg-fixed-voltage",
232 .platform_data = &smdk6410_b_pwr_5v_pdata,
237 static struct s3c_ide_platdata smdk6410_ide_pdata __initdata = {
238 .setup_gpio = s3c64xx_ide_setup_gpio,
241 static uint32_t smdk6410_keymap[] __initdata = {
242 /* KEY(row, col, keycode) */
243 KEY(0, 3, KEY_1), KEY(0, 4, KEY_2), KEY(0, 5, KEY_3),
244 KEY(0, 6, KEY_4), KEY(0, 7, KEY_5),
245 KEY(1, 3, KEY_A), KEY(1, 4, KEY_B), KEY(1, 5, KEY_C),
246 KEY(1, 6, KEY_D), KEY(1, 7, KEY_E)
249 static struct matrix_keymap_data smdk6410_keymap_data __initdata = {
250 .keymap = smdk6410_keymap,
251 .keymap_size = ARRAY_SIZE(smdk6410_keymap),
254 static struct samsung_keypad_platdata smdk6410_keypad_data __initdata = {
255 .keymap_data = &smdk6410_keymap_data,
260 static struct map_desc smdk6410_iodesc[] = {};
262 static struct platform_device *smdk6410_devices[] __initdata = {
263 #ifdef CONFIG_SMDK6410_SD_CH0
266 #ifdef CONFIG_SMDK6410_SD_CH1
274 &s3c_device_usb_hsotg,
275 &s3c64xx_device_iisv4,
276 &samsung_device_keypad,
278 #ifdef CONFIG_REGULATOR
281 &smdk6410_lcd_powerdev,
290 #ifdef CONFIG_REGULATOR
292 static struct regulator_consumer_supply smdk6410_vddarm_consumers[] = {
293 REGULATOR_SUPPLY("vddarm", NULL),
296 /* VDDARM, BUCK1 on J5 */
297 static struct regulator_init_data __maybe_unused smdk6410_vddarm = {
303 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
305 .num_consumer_supplies = ARRAY_SIZE(smdk6410_vddarm_consumers),
306 .consumer_supplies = smdk6410_vddarm_consumers,
309 /* VDD_INT, BUCK2 on J5 */
310 static struct regulator_init_data __maybe_unused smdk6410_vddint = {
316 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
320 /* VDD_HI, LDO3 on J5 */
321 static struct regulator_init_data __maybe_unused smdk6410_vddhi = {
328 /* VDD_PLL, LDO2 on J5 */
329 static struct regulator_init_data __maybe_unused smdk6410_vddpll = {
336 /* VDD_UH_MMC, LDO5 on J5 */
337 static struct regulator_init_data __maybe_unused smdk6410_vdduh_mmc = {
339 .name = "PVDD_UH+PVDD_MMC",
344 /* VCCM3BT, LDO8 on J5 */
345 static struct regulator_init_data __maybe_unused smdk6410_vccmc3bt = {
352 /* VCCM2MTV, LDO11 on J5 */
353 static struct regulator_init_data __maybe_unused smdk6410_vccm2mtv = {
360 /* VDD_LCD, LDO12 on J5 */
361 static struct regulator_init_data __maybe_unused smdk6410_vddlcd = {
368 /* VDD_OTGI, LDO9 on J5 */
369 static struct regulator_init_data __maybe_unused smdk6410_vddotgi = {
376 /* VDD_OTG, LDO14 on J5 */
377 static struct regulator_init_data __maybe_unused smdk6410_vddotg = {
384 /* VDD_ALIVE, LDO15 on J5 */
385 static struct regulator_init_data __maybe_unused smdk6410_vddalive = {
387 .name = "PVDD_ALIVE",
392 /* VDD_AUDIO, VLDO_AUDIO on J5 */
393 static struct regulator_init_data __maybe_unused smdk6410_vddaudio = {
395 .name = "PVDD_AUDIO",
401 #ifdef CONFIG_SMDK6410_WM1190_EV1
402 /* S3C64xx internal logic & PLL */
403 static struct regulator_init_data __maybe_unused wm8350_dcdc1_data = {
405 .name = "PVDD_INT+PVDD_PLL",
414 static struct regulator_init_data __maybe_unused wm8350_dcdc3_data = {
422 .mode = REGULATOR_MODE_NORMAL,
425 .initial_state = PM_SUSPEND_MEM,
429 /* USB, EXT, PCM, ADC/DAC, USB, MMC */
430 static struct regulator_consumer_supply wm8350_dcdc4_consumers[] = {
431 REGULATOR_SUPPLY("DVDD", "0-001b"),
434 static struct regulator_init_data __maybe_unused wm8350_dcdc4_data = {
436 .name = "PVDD_HI+PVDD_EXT+PVDD_SYS+PVCCM2MTV",
441 .num_consumer_supplies = ARRAY_SIZE(wm8350_dcdc4_consumers),
442 .consumer_supplies = wm8350_dcdc4_consumers,
445 /* OTGi/1190-EV1 HPVDD & AVDD */
446 static struct regulator_init_data __maybe_unused wm8350_ldo4_data = {
448 .name = "PVDD_OTGI+HPVDD+AVDD",
458 struct regulator_init_data *initdata;
459 } wm1190_regulators[] = {
460 { WM8350_DCDC_1, &wm8350_dcdc1_data },
461 { WM8350_DCDC_3, &wm8350_dcdc3_data },
462 { WM8350_DCDC_4, &wm8350_dcdc4_data },
463 { WM8350_DCDC_6, &smdk6410_vddarm },
464 { WM8350_LDO_1, &smdk6410_vddalive },
465 { WM8350_LDO_2, &smdk6410_vddotg },
466 { WM8350_LDO_3, &smdk6410_vddlcd },
467 { WM8350_LDO_4, &wm8350_ldo4_data },
470 static int __init smdk6410_wm8350_init(struct wm8350 *wm8350)
474 /* Configure the IRQ line */
475 s3c_gpio_setpull(S3C64XX_GPN(12), S3C_GPIO_PULL_UP);
477 /* Instantiate the regulators */
478 for (i = 0; i < ARRAY_SIZE(wm1190_regulators); i++)
479 wm8350_register_regulator(wm8350,
480 wm1190_regulators[i].regulator,
481 wm1190_regulators[i].initdata);
486 static struct wm8350_platform_data __initdata smdk6410_wm8350_pdata = {
487 .init = smdk6410_wm8350_init,
489 .irq_base = IRQ_BOARD_START,
493 #ifdef CONFIG_SMDK6410_WM1192_EV1
494 static struct gpio_led wm1192_pmic_leds[] = {
496 .name = "PMIC:red:power",
497 .gpio = GPIO_BOARD_START + 3,
498 .default_state = LEDS_GPIO_DEFSTATE_ON,
502 static struct gpio_led_platform_data wm1192_pmic_led = {
503 .num_leds = ARRAY_SIZE(wm1192_pmic_leds),
504 .leds = wm1192_pmic_leds,
507 static struct platform_device wm1192_pmic_led_dev = {
511 .platform_data = &wm1192_pmic_led,
515 static int wm1192_pre_init(struct wm831x *wm831x)
519 /* Configure the IRQ line */
520 s3c_gpio_setpull(S3C64XX_GPN(12), S3C_GPIO_PULL_UP);
522 ret = platform_device_register(&wm1192_pmic_led_dev);
524 dev_err(wm831x->dev, "Failed to add PMIC LED: %d\n", ret);
529 static struct wm831x_backlight_pdata wm1192_backlight_pdata = {
534 static struct regulator_init_data __maybe_unused wm1192_dcdc3 = {
536 .name = "PVDD_MEM+PVDD_GPS",
541 static struct regulator_consumer_supply wm1192_ldo1_consumers[] = {
542 REGULATOR_SUPPLY("DVDD", "0-001b"), /* WM8580 */
545 static struct regulator_init_data __maybe_unused wm1192_ldo1 = {
547 .name = "PVDD_LCD+PVDD_EXT",
550 .consumer_supplies = wm1192_ldo1_consumers,
551 .num_consumer_supplies = ARRAY_SIZE(wm1192_ldo1_consumers),
554 static struct wm831x_status_pdata wm1192_led7_pdata = {
555 .name = "LED7:green:",
558 static struct wm831x_status_pdata wm1192_led8_pdata = {
559 .name = "LED8:green:",
562 static struct wm831x_pdata smdk6410_wm1192_pdata = {
563 .pre_init = wm1192_pre_init,
565 .backlight = &wm1192_backlight_pdata,
567 &smdk6410_vddarm, /* DCDC1 */
568 &smdk6410_vddint, /* DCDC2 */
571 .gpio_base = GPIO_BOARD_START,
573 &wm1192_ldo1, /* LDO1 */
574 &smdk6410_vdduh_mmc, /* LDO2 */
576 &smdk6410_vddotgi, /* LDO4 */
577 &smdk6410_vddotg, /* LDO5 */
578 &smdk6410_vddhi, /* LDO6 */
579 &smdk6410_vddaudio, /* LDO7 */
580 &smdk6410_vccm2mtv, /* LDO8 */
581 &smdk6410_vddpll, /* LDO9 */
582 &smdk6410_vccmc3bt, /* LDO10 */
583 &smdk6410_vddalive, /* LDO11 */
592 static struct i2c_board_info i2c_devs0[] __initdata = {
593 { I2C_BOARD_INFO("24c08", 0x50), },
594 { I2C_BOARD_INFO("wm8580", 0x1b), },
596 #ifdef CONFIG_SMDK6410_WM1192_EV1
597 { I2C_BOARD_INFO("wm8312", 0x34),
598 .platform_data = &smdk6410_wm1192_pdata,
603 #ifdef CONFIG_SMDK6410_WM1190_EV1
604 { I2C_BOARD_INFO("wm8350", 0x1a),
605 .platform_data = &smdk6410_wm8350_pdata,
611 static struct i2c_board_info i2c_devs1[] __initdata = {
612 { I2C_BOARD_INFO("24c128", 0x57), }, /* Samsung S524AD0XD1 */
615 /* LCD Backlight data */
616 static struct samsung_bl_gpio_info smdk6410_bl_gpio_info = {
617 .no = S3C64XX_GPF(15),
618 .func = S3C_GPIO_SFN(2),
621 static struct pwm_lookup smdk6410_pwm_lookup[] = {
622 PWM_LOOKUP("samsung-pwm", 1, "pwm-backlight.0", NULL, 78770,
623 PWM_POLARITY_NORMAL),
626 static struct platform_pwm_backlight_data smdk6410_bl_data = {
630 static struct dwc2_hsotg_plat smdk6410_hsotg_pdata;
632 static void __init smdk6410_map_io(void)
636 s3c64xx_init_io(smdk6410_iodesc, ARRAY_SIZE(smdk6410_iodesc));
637 s3c64xx_set_xtal_freq(12000000);
638 s3c24xx_init_uarts(smdk6410_uartcfgs, ARRAY_SIZE(smdk6410_uartcfgs));
639 samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
641 /* set the LCD type */
643 tmp = __raw_readl(S3C64XX_SPCON);
644 tmp &= ~S3C64XX_SPCON_LCD_SEL_MASK;
645 tmp |= S3C64XX_SPCON_LCD_SEL_RGB;
646 __raw_writel(tmp, S3C64XX_SPCON);
648 /* remove the lcd bypass */
649 tmp = __raw_readl(S3C64XX_MODEM_MIFPCON);
650 tmp &= ~MIFPCON_LCD_BYPASS;
651 __raw_writel(tmp, S3C64XX_MODEM_MIFPCON);
654 static void __init smdk6410_machine_init(void)
658 s3c_i2c0_set_platdata(NULL);
659 s3c_i2c1_set_platdata(NULL);
660 s3c_fb_set_platdata(&smdk6410_lcd_pdata);
661 dwc2_hsotg_set_platdata(&smdk6410_hsotg_pdata);
663 samsung_keypad_set_platdata(&smdk6410_keypad_data);
665 s3c64xx_ts_set_platdata(NULL);
667 /* configure nCS1 width to 16 bits */
669 cs1 = __raw_readl(S3C64XX_SROM_BW) &
670 ~(S3C64XX_SROM_BW__CS_MASK << S3C64XX_SROM_BW__NCS1__SHIFT);
671 cs1 |= ((1 << S3C64XX_SROM_BW__DATAWIDTH__SHIFT) |
672 (1 << S3C64XX_SROM_BW__WAITENABLE__SHIFT) |
673 (1 << S3C64XX_SROM_BW__BYTEENABLE__SHIFT)) <<
674 S3C64XX_SROM_BW__NCS1__SHIFT;
675 __raw_writel(cs1, S3C64XX_SROM_BW);
677 /* set timing for nCS1 suitable for ethernet chip */
679 __raw_writel((0 << S3C64XX_SROM_BCX__PMC__SHIFT) |
680 (6 << S3C64XX_SROM_BCX__TACP__SHIFT) |
681 (4 << S3C64XX_SROM_BCX__TCAH__SHIFT) |
682 (1 << S3C64XX_SROM_BCX__TCOH__SHIFT) |
683 (0xe << S3C64XX_SROM_BCX__TACC__SHIFT) |
684 (4 << S3C64XX_SROM_BCX__TCOS__SHIFT) |
685 (0 << S3C64XX_SROM_BCX__TACS__SHIFT), S3C64XX_SROM_BC1);
687 gpio_request(S3C64XX_GPN(5), "LCD power");
688 gpio_request(S3C64XX_GPF(13), "LCD power");
690 i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));
691 i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
693 s3c_ide_set_platdata(&smdk6410_ide_pdata);
695 platform_add_devices(smdk6410_devices, ARRAY_SIZE(smdk6410_devices));
697 pwm_add_table(smdk6410_pwm_lookup, ARRAY_SIZE(smdk6410_pwm_lookup));
698 samsung_bl_set(&smdk6410_bl_gpio_info, &smdk6410_bl_data);
701 MACHINE_START(SMDK6410, "SMDK6410")
702 /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
703 .atag_offset = 0x100,
704 .nr_irqs = S3C64XX_NR_IRQS,
705 .init_irq = s3c6410_init_irq,
706 .map_io = smdk6410_map_io,
707 .init_machine = smdk6410_machine_init,
708 .init_time = samsung_timer_init,
709 .restart = s3c64xx_restart,