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
,
227 static struct platform_device smdk6410_b_pwr_5v
= {
228 .name
= "reg-fixed-voltage",
231 .platform_data
= &smdk6410_b_pwr_5v_pdata
,
236 static struct s3c_ide_platdata smdk6410_ide_pdata __initdata
= {
237 .setup_gpio
= s3c64xx_ide_setup_gpio
,
240 static uint32_t smdk6410_keymap
[] __initdata
= {
241 /* KEY(row, col, keycode) */
242 KEY(0, 3, KEY_1
), KEY(0, 4, KEY_2
), KEY(0, 5, KEY_3
),
243 KEY(0, 6, KEY_4
), KEY(0, 7, KEY_5
),
244 KEY(1, 3, KEY_A
), KEY(1, 4, KEY_B
), KEY(1, 5, KEY_C
),
245 KEY(1, 6, KEY_D
), KEY(1, 7, KEY_E
)
248 static struct matrix_keymap_data smdk6410_keymap_data __initdata
= {
249 .keymap
= smdk6410_keymap
,
250 .keymap_size
= ARRAY_SIZE(smdk6410_keymap
),
253 static struct samsung_keypad_platdata smdk6410_keypad_data __initdata
= {
254 .keymap_data
= &smdk6410_keymap_data
,
259 static struct map_desc smdk6410_iodesc
[] = {};
261 static struct platform_device
*smdk6410_devices
[] __initdata
= {
262 #ifdef CONFIG_SMDK6410_SD_CH0
265 #ifdef CONFIG_SMDK6410_SD_CH1
273 &s3c_device_usb_hsotg
,
274 &s3c64xx_device_iisv4
,
275 &samsung_device_keypad
,
277 #ifdef CONFIG_REGULATOR
280 &smdk6410_lcd_powerdev
,
289 #ifdef CONFIG_REGULATOR
291 static struct regulator_consumer_supply smdk6410_vddarm_consumers
[] = {
292 REGULATOR_SUPPLY("vddarm", NULL
),
295 /* VDDARM, BUCK1 on J5 */
296 static struct regulator_init_data __maybe_unused smdk6410_vddarm
= {
302 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
,
304 .num_consumer_supplies
= ARRAY_SIZE(smdk6410_vddarm_consumers
),
305 .consumer_supplies
= smdk6410_vddarm_consumers
,
308 /* VDD_INT, BUCK2 on J5 */
309 static struct regulator_init_data __maybe_unused smdk6410_vddint
= {
315 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
,
319 /* VDD_HI, LDO3 on J5 */
320 static struct regulator_init_data __maybe_unused smdk6410_vddhi
= {
327 /* VDD_PLL, LDO2 on J5 */
328 static struct regulator_init_data __maybe_unused smdk6410_vddpll
= {
335 /* VDD_UH_MMC, LDO5 on J5 */
336 static struct regulator_init_data __maybe_unused smdk6410_vdduh_mmc
= {
338 .name
= "PVDD_UH+PVDD_MMC",
343 /* VCCM3BT, LDO8 on J5 */
344 static struct regulator_init_data __maybe_unused smdk6410_vccmc3bt
= {
351 /* VCCM2MTV, LDO11 on J5 */
352 static struct regulator_init_data __maybe_unused smdk6410_vccm2mtv
= {
359 /* VDD_LCD, LDO12 on J5 */
360 static struct regulator_init_data __maybe_unused smdk6410_vddlcd
= {
367 /* VDD_OTGI, LDO9 on J5 */
368 static struct regulator_init_data __maybe_unused smdk6410_vddotgi
= {
375 /* VDD_OTG, LDO14 on J5 */
376 static struct regulator_init_data __maybe_unused smdk6410_vddotg
= {
383 /* VDD_ALIVE, LDO15 on J5 */
384 static struct regulator_init_data __maybe_unused smdk6410_vddalive
= {
386 .name
= "PVDD_ALIVE",
391 /* VDD_AUDIO, VLDO_AUDIO on J5 */
392 static struct regulator_init_data __maybe_unused smdk6410_vddaudio
= {
394 .name
= "PVDD_AUDIO",
400 #ifdef CONFIG_SMDK6410_WM1190_EV1
401 /* S3C64xx internal logic & PLL */
402 static struct regulator_init_data __maybe_unused wm8350_dcdc1_data
= {
404 .name
= "PVDD_INT+PVDD_PLL",
413 static struct regulator_init_data __maybe_unused wm8350_dcdc3_data
= {
421 .mode
= REGULATOR_MODE_NORMAL
,
424 .initial_state
= PM_SUSPEND_MEM
,
428 /* USB, EXT, PCM, ADC/DAC, USB, MMC */
429 static struct regulator_consumer_supply wm8350_dcdc4_consumers
[] = {
430 REGULATOR_SUPPLY("DVDD", "0-001b"),
433 static struct regulator_init_data __maybe_unused wm8350_dcdc4_data
= {
435 .name
= "PVDD_HI+PVDD_EXT+PVDD_SYS+PVCCM2MTV",
440 .num_consumer_supplies
= ARRAY_SIZE(wm8350_dcdc4_consumers
),
441 .consumer_supplies
= wm8350_dcdc4_consumers
,
444 /* OTGi/1190-EV1 HPVDD & AVDD */
445 static struct regulator_init_data __maybe_unused wm8350_ldo4_data
= {
447 .name
= "PVDD_OTGI+HPVDD+AVDD",
457 struct regulator_init_data
*initdata
;
458 } wm1190_regulators
[] = {
459 { WM8350_DCDC_1
, &wm8350_dcdc1_data
},
460 { WM8350_DCDC_3
, &wm8350_dcdc3_data
},
461 { WM8350_DCDC_4
, &wm8350_dcdc4_data
},
462 { WM8350_DCDC_6
, &smdk6410_vddarm
},
463 { WM8350_LDO_1
, &smdk6410_vddalive
},
464 { WM8350_LDO_2
, &smdk6410_vddotg
},
465 { WM8350_LDO_3
, &smdk6410_vddlcd
},
466 { WM8350_LDO_4
, &wm8350_ldo4_data
},
469 static int __init
smdk6410_wm8350_init(struct wm8350
*wm8350
)
473 /* Configure the IRQ line */
474 s3c_gpio_setpull(S3C64XX_GPN(12), S3C_GPIO_PULL_UP
);
476 /* Instantiate the regulators */
477 for (i
= 0; i
< ARRAY_SIZE(wm1190_regulators
); i
++)
478 wm8350_register_regulator(wm8350
,
479 wm1190_regulators
[i
].regulator
,
480 wm1190_regulators
[i
].initdata
);
485 static struct wm8350_platform_data __initdata smdk6410_wm8350_pdata
= {
486 .init
= smdk6410_wm8350_init
,
488 .irq_base
= IRQ_BOARD_START
,
492 #ifdef CONFIG_SMDK6410_WM1192_EV1
493 static struct gpio_led wm1192_pmic_leds
[] = {
495 .name
= "PMIC:red:power",
496 .gpio
= GPIO_BOARD_START
+ 3,
497 .default_state
= LEDS_GPIO_DEFSTATE_ON
,
501 static struct gpio_led_platform_data wm1192_pmic_led
= {
502 .num_leds
= ARRAY_SIZE(wm1192_pmic_leds
),
503 .leds
= wm1192_pmic_leds
,
506 static struct platform_device wm1192_pmic_led_dev
= {
510 .platform_data
= &wm1192_pmic_led
,
514 static int wm1192_pre_init(struct wm831x
*wm831x
)
518 /* Configure the IRQ line */
519 s3c_gpio_setpull(S3C64XX_GPN(12), S3C_GPIO_PULL_UP
);
521 ret
= platform_device_register(&wm1192_pmic_led_dev
);
523 dev_err(wm831x
->dev
, "Failed to add PMIC LED: %d\n", ret
);
528 static struct wm831x_backlight_pdata wm1192_backlight_pdata
= {
533 static struct regulator_init_data __maybe_unused wm1192_dcdc3
= {
535 .name
= "PVDD_MEM+PVDD_GPS",
540 static struct regulator_consumer_supply wm1192_ldo1_consumers
[] = {
541 REGULATOR_SUPPLY("DVDD", "0-001b"), /* WM8580 */
544 static struct regulator_init_data __maybe_unused wm1192_ldo1
= {
546 .name
= "PVDD_LCD+PVDD_EXT",
549 .consumer_supplies
= wm1192_ldo1_consumers
,
550 .num_consumer_supplies
= ARRAY_SIZE(wm1192_ldo1_consumers
),
553 static struct wm831x_status_pdata wm1192_led7_pdata
= {
554 .name
= "LED7:green:",
557 static struct wm831x_status_pdata wm1192_led8_pdata
= {
558 .name
= "LED8:green:",
561 static struct wm831x_pdata smdk6410_wm1192_pdata
= {
562 .pre_init
= wm1192_pre_init
,
564 .backlight
= &wm1192_backlight_pdata
,
566 &smdk6410_vddarm
, /* DCDC1 */
567 &smdk6410_vddint
, /* DCDC2 */
570 .gpio_base
= GPIO_BOARD_START
,
572 &wm1192_ldo1
, /* LDO1 */
573 &smdk6410_vdduh_mmc
, /* LDO2 */
575 &smdk6410_vddotgi
, /* LDO4 */
576 &smdk6410_vddotg
, /* LDO5 */
577 &smdk6410_vddhi
, /* LDO6 */
578 &smdk6410_vddaudio
, /* LDO7 */
579 &smdk6410_vccm2mtv
, /* LDO8 */
580 &smdk6410_vddpll
, /* LDO9 */
581 &smdk6410_vccmc3bt
, /* LDO10 */
582 &smdk6410_vddalive
, /* LDO11 */
591 static struct i2c_board_info i2c_devs0
[] __initdata
= {
592 { I2C_BOARD_INFO("24c08", 0x50), },
593 { I2C_BOARD_INFO("wm8580", 0x1b), },
595 #ifdef CONFIG_SMDK6410_WM1192_EV1
596 { I2C_BOARD_INFO("wm8312", 0x34),
597 .platform_data
= &smdk6410_wm1192_pdata
,
602 #ifdef CONFIG_SMDK6410_WM1190_EV1
603 { I2C_BOARD_INFO("wm8350", 0x1a),
604 .platform_data
= &smdk6410_wm8350_pdata
,
610 static struct i2c_board_info i2c_devs1
[] __initdata
= {
611 { I2C_BOARD_INFO("24c128", 0x57), }, /* Samsung S524AD0XD1 */
614 /* LCD Backlight data */
615 static struct samsung_bl_gpio_info smdk6410_bl_gpio_info
= {
616 .no
= S3C64XX_GPF(15),
617 .func
= S3C_GPIO_SFN(2),
620 static struct pwm_lookup smdk6410_pwm_lookup
[] = {
621 PWM_LOOKUP("samsung-pwm", 1, "pwm-backlight.0", NULL
, 78770,
622 PWM_POLARITY_NORMAL
),
625 static struct platform_pwm_backlight_data smdk6410_bl_data
= {
629 static struct dwc2_hsotg_plat smdk6410_hsotg_pdata
;
631 static void __init
smdk6410_map_io(void)
635 s3c64xx_init_io(smdk6410_iodesc
, ARRAY_SIZE(smdk6410_iodesc
));
636 s3c64xx_set_xtal_freq(12000000);
637 s3c24xx_init_uarts(smdk6410_uartcfgs
, ARRAY_SIZE(smdk6410_uartcfgs
));
638 samsung_set_timer_source(SAMSUNG_PWM3
, SAMSUNG_PWM4
);
640 /* set the LCD type */
642 tmp
= __raw_readl(S3C64XX_SPCON
);
643 tmp
&= ~S3C64XX_SPCON_LCD_SEL_MASK
;
644 tmp
|= S3C64XX_SPCON_LCD_SEL_RGB
;
645 __raw_writel(tmp
, S3C64XX_SPCON
);
647 /* remove the lcd bypass */
648 tmp
= __raw_readl(S3C64XX_MODEM_MIFPCON
);
649 tmp
&= ~MIFPCON_LCD_BYPASS
;
650 __raw_writel(tmp
, S3C64XX_MODEM_MIFPCON
);
653 static void __init
smdk6410_machine_init(void)
657 s3c_i2c0_set_platdata(NULL
);
658 s3c_i2c1_set_platdata(NULL
);
659 s3c_fb_set_platdata(&smdk6410_lcd_pdata
);
660 dwc2_hsotg_set_platdata(&smdk6410_hsotg_pdata
);
662 samsung_keypad_set_platdata(&smdk6410_keypad_data
);
664 s3c64xx_ts_set_platdata(NULL
);
666 /* configure nCS1 width to 16 bits */
668 cs1
= __raw_readl(S3C64XX_SROM_BW
) &
669 ~(S3C64XX_SROM_BW__CS_MASK
<< S3C64XX_SROM_BW__NCS1__SHIFT
);
670 cs1
|= ((1 << S3C64XX_SROM_BW__DATAWIDTH__SHIFT
) |
671 (1 << S3C64XX_SROM_BW__WAITENABLE__SHIFT
) |
672 (1 << S3C64XX_SROM_BW__BYTEENABLE__SHIFT
)) <<
673 S3C64XX_SROM_BW__NCS1__SHIFT
;
674 __raw_writel(cs1
, S3C64XX_SROM_BW
);
676 /* set timing for nCS1 suitable for ethernet chip */
678 __raw_writel((0 << S3C64XX_SROM_BCX__PMC__SHIFT
) |
679 (6 << S3C64XX_SROM_BCX__TACP__SHIFT
) |
680 (4 << S3C64XX_SROM_BCX__TCAH__SHIFT
) |
681 (1 << S3C64XX_SROM_BCX__TCOH__SHIFT
) |
682 (0xe << S3C64XX_SROM_BCX__TACC__SHIFT
) |
683 (4 << S3C64XX_SROM_BCX__TCOS__SHIFT
) |
684 (0 << S3C64XX_SROM_BCX__TACS__SHIFT
), S3C64XX_SROM_BC1
);
686 gpio_request(S3C64XX_GPN(5), "LCD power");
687 gpio_request(S3C64XX_GPF(13), "LCD power");
689 i2c_register_board_info(0, i2c_devs0
, ARRAY_SIZE(i2c_devs0
));
690 i2c_register_board_info(1, i2c_devs1
, ARRAY_SIZE(i2c_devs1
));
692 s3c_ide_set_platdata(&smdk6410_ide_pdata
);
694 platform_add_devices(smdk6410_devices
, ARRAY_SIZE(smdk6410_devices
));
696 pwm_add_table(smdk6410_pwm_lookup
, ARRAY_SIZE(smdk6410_pwm_lookup
));
697 samsung_bl_set(&smdk6410_bl_gpio_info
, &smdk6410_bl_data
);
700 MACHINE_START(SMDK6410
, "SMDK6410")
701 /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
702 .atag_offset
= 0x100,
703 .nr_irqs
= S3C64XX_NR_IRQS
,
704 .init_irq
= s3c6410_init_irq
,
705 .map_io
= smdk6410_map_io
,
706 .init_machine
= smdk6410_machine_init
,
707 .init_time
= samsung_timer_init
,
708 .restart
= s3c64xx_restart
,