1 /* linux/arch/arm/mach-s3c64xx/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/input.h>
21 #include <linux/serial_core.h>
22 #include <linux/platform_device.h>
24 #include <linux/i2c.h>
25 #include <linux/leds.h>
27 #include <linux/gpio.h>
28 #include <linux/delay.h>
29 #include <linux/smsc911x.h>
30 #include <linux/regulator/fixed.h>
31 #include <linux/regulator/machine.h>
32 #include <linux/pwm_backlight.h>
34 #ifdef CONFIG_SMDK6410_WM1190_EV1
35 #include <linux/mfd/wm8350/core.h>
36 #include <linux/mfd/wm8350/pmic.h>
39 #ifdef CONFIG_SMDK6410_WM1192_EV1
40 #include <linux/mfd/wm831x/core.h>
41 #include <linux/mfd/wm831x/pdata.h>
44 #include <video/platform_lcd.h>
46 #include <asm/mach/arch.h>
47 #include <asm/mach/map.h>
48 #include <asm/mach/irq.h>
50 #include <mach/hardware.h>
54 #include <asm/mach-types.h>
56 #include <plat/regs-serial.h>
57 #include <mach/regs-modem.h>
58 #include <mach/regs-gpio.h>
59 #include <mach/regs-sys.h>
60 #include <mach/regs-srom.h>
64 #include <plat/gpio-cfg.h>
66 #include <mach/s3c6410.h>
67 #include <plat/clock.h>
68 #include <plat/devs.h>
72 #include <plat/keypad.h>
73 #include <plat/backlight.h>
74 #include <plat/regs-fb-v4.h>
76 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
77 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
78 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
80 static struct s3c2410_uartcfg smdk6410_uartcfgs
[] __initdata
= {
111 /* framebuffer and LCD setup. */
113 /* GPF15 = LCD backlight control
114 * GPF13 => Panel power
115 * GPN5 = LCD nRESET signal
116 * PWM_TOUT1 => backlight brightness
119 static void smdk6410_lcd_power_set(struct plat_lcd_data
*pd
,
123 gpio_direction_output(S3C64XX_GPF(13), 1);
125 /* fire nRESET on power up */
126 gpio_direction_output(S3C64XX_GPN(5), 0);
128 gpio_direction_output(S3C64XX_GPN(5), 1);
131 gpio_direction_output(S3C64XX_GPF(13), 0);
135 static struct plat_lcd_data smdk6410_lcd_power_data
= {
136 .set_power
= smdk6410_lcd_power_set
,
139 static struct platform_device smdk6410_lcd_powerdev
= {
140 .name
= "platform-lcd",
141 .dev
.parent
= &s3c_device_fb
.dev
,
142 .dev
.platform_data
= &smdk6410_lcd_power_data
,
145 static struct s3c_fb_pd_win smdk6410_fb_win0
= {
146 /* this is to ensure we use win0 */
159 .virtual_y
= 480 * 2,
163 /* 405566 clocks per frame => 60Hz refresh requires 24333960Hz clock */
164 static struct s3c_fb_platdata smdk6410_lcd_pdata __initdata
= {
165 .setup_gpio
= s3c64xx_fb_gpio_setup_24bpp
,
166 .win
[0] = &smdk6410_fb_win0
,
167 .vidcon0
= VIDCON0_VIDOUT_RGB
| VIDCON0_PNRMODE_RGB
,
168 .vidcon1
= VIDCON1_INV_HSYNC
| VIDCON1_INV_VSYNC
,
172 * Configuring Ethernet on SMDK6410
174 * Both CS8900A and LAN9115 chips share one chip select mediated by CFG6.
175 * The constant address below corresponds to nCS1
177 * 1) Set CFGB2 p3 ON others off, no other CFGB selects "ethernet"
178 * 2) CFG6 needs to be switched to "LAN9115" side
181 static struct resource smdk6410_smsc911x_resources
[] = {
183 .start
= S3C64XX_PA_XM0CSN1
,
184 .end
= S3C64XX_PA_XM0CSN1
+ SZ_64K
- 1,
185 .flags
= IORESOURCE_MEM
,
188 .start
= S3C_EINT(10),
190 .flags
= IORESOURCE_IRQ
| IRQ_TYPE_LEVEL_LOW
,
194 static struct smsc911x_platform_config smdk6410_smsc911x_pdata
= {
195 .irq_polarity
= SMSC911X_IRQ_POLARITY_ACTIVE_LOW
,
196 .irq_type
= SMSC911X_IRQ_TYPE_OPEN_DRAIN
,
197 .flags
= SMSC911X_USE_32BIT
| SMSC911X_FORCE_INTERNAL_PHY
,
198 .phy_interface
= PHY_INTERFACE_MODE_MII
,
202 static struct platform_device smdk6410_smsc911x
= {
205 .num_resources
= ARRAY_SIZE(smdk6410_smsc911x_resources
),
206 .resource
= &smdk6410_smsc911x_resources
[0],
208 .platform_data
= &smdk6410_smsc911x_pdata
,
212 #ifdef CONFIG_REGULATOR
213 static struct regulator_consumer_supply smdk6410_b_pwr_5v_consumers
[] __initdata
= {
214 REGULATOR_SUPPLY("PVDD", "0-001b"),
215 REGULATOR_SUPPLY("AVDD", "0-001b"),
218 static struct regulator_init_data smdk6410_b_pwr_5v_data
= {
222 .num_consumer_supplies
= ARRAY_SIZE(smdk6410_b_pwr_5v_consumers
),
223 .consumer_supplies
= smdk6410_b_pwr_5v_consumers
,
226 static struct fixed_voltage_config smdk6410_b_pwr_5v_pdata
= {
227 .supply_name
= "B_PWR_5V",
228 .microvolts
= 5000000,
229 .init_data
= &smdk6410_b_pwr_5v_data
,
233 static struct platform_device smdk6410_b_pwr_5v
= {
234 .name
= "reg-fixed-voltage",
237 .platform_data
= &smdk6410_b_pwr_5v_pdata
,
242 static struct s3c_ide_platdata smdk6410_ide_pdata __initdata
= {
243 .setup_gpio
= s3c64xx_ide_setup_gpio
,
246 static uint32_t smdk6410_keymap
[] __initdata
= {
247 /* KEY(row, col, keycode) */
248 KEY(0, 3, KEY_1
), KEY(0, 4, KEY_2
), KEY(0, 5, KEY_3
),
249 KEY(0, 6, KEY_4
), KEY(0, 7, KEY_5
),
250 KEY(1, 3, KEY_A
), KEY(1, 4, KEY_B
), KEY(1, 5, KEY_C
),
251 KEY(1, 6, KEY_D
), KEY(1, 7, KEY_E
)
254 static struct matrix_keymap_data smdk6410_keymap_data __initdata
= {
255 .keymap
= smdk6410_keymap
,
256 .keymap_size
= ARRAY_SIZE(smdk6410_keymap
),
259 static struct samsung_keypad_platdata smdk6410_keypad_data __initdata
= {
260 .keymap_data
= &smdk6410_keymap_data
,
265 static int smdk6410_backlight_init(struct device
*dev
)
269 ret
= gpio_request(S3C64XX_GPF(15), "Backlight");
271 printk(KERN_ERR
"failed to request GPF for PWM-OUT1\n");
275 /* Configure GPIO pin with S3C64XX_GPF15_PWM_TOUT1 */
276 s3c_gpio_cfgpin(S3C64XX_GPF(15), S3C_GPIO_SFN(2));
281 static void smdk6410_backlight_exit(struct device
*dev
)
283 s3c_gpio_cfgpin(S3C64XX_GPF(15), S3C_GPIO_OUTPUT
);
284 gpio_free(S3C64XX_GPF(15));
287 static struct platform_pwm_backlight_data smdk6410_backlight_data
= {
289 .max_brightness
= 255,
290 .dft_brightness
= 255,
291 .pwm_period_ns
= 78770,
292 .init
= smdk6410_backlight_init
,
293 .exit
= smdk6410_backlight_exit
,
296 static struct platform_device smdk6410_backlight_device
= {
297 .name
= "pwm-backlight",
299 .parent
= &s3c_device_timer
[1].dev
,
300 .platform_data
= &smdk6410_backlight_data
,
304 static struct map_desc smdk6410_iodesc
[] = {};
306 static struct platform_device
*smdk6410_devices
[] __initdata
= {
307 #ifdef CONFIG_SMDK6410_SD_CH0
310 #ifdef CONFIG_SMDK6410_SD_CH1
317 &s3c_device_usb_hsotg
,
319 &s3c64xx_device_iisv4
,
320 &samsung_device_keypad
,
322 #ifdef CONFIG_REGULATOR
325 &smdk6410_lcd_powerdev
,
335 #ifdef CONFIG_REGULATOR
337 static struct regulator_consumer_supply smdk6410_vddarm_consumers
[] = {
338 REGULATOR_SUPPLY("vddarm", NULL
),
341 /* VDDARM, BUCK1 on J5 */
342 static struct regulator_init_data smdk6410_vddarm
= {
348 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
,
350 .num_consumer_supplies
= ARRAY_SIZE(smdk6410_vddarm_consumers
),
351 .consumer_supplies
= smdk6410_vddarm_consumers
,
354 /* VDD_INT, BUCK2 on J5 */
355 static struct regulator_init_data smdk6410_vddint
= {
361 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
,
365 /* VDD_HI, LDO3 on J5 */
366 static struct regulator_init_data smdk6410_vddhi
= {
373 /* VDD_PLL, LDO2 on J5 */
374 static struct regulator_init_data smdk6410_vddpll
= {
381 /* VDD_UH_MMC, LDO5 on J5 */
382 static struct regulator_init_data smdk6410_vdduh_mmc
= {
384 .name
= "PVDD_UH+PVDD_MMC",
389 /* VCCM3BT, LDO8 on J5 */
390 static struct regulator_init_data smdk6410_vccmc3bt
= {
397 /* VCCM2MTV, LDO11 on J5 */
398 static struct regulator_init_data smdk6410_vccm2mtv
= {
405 /* VDD_LCD, LDO12 on J5 */
406 static struct regulator_init_data smdk6410_vddlcd
= {
413 /* VDD_OTGI, LDO9 on J5 */
414 static struct regulator_init_data smdk6410_vddotgi
= {
421 /* VDD_OTG, LDO14 on J5 */
422 static struct regulator_init_data smdk6410_vddotg
= {
429 /* VDD_ALIVE, LDO15 on J5 */
430 static struct regulator_init_data smdk6410_vddalive
= {
432 .name
= "PVDD_ALIVE",
437 /* VDD_AUDIO, VLDO_AUDIO on J5 */
438 static struct regulator_init_data smdk6410_vddaudio
= {
440 .name
= "PVDD_AUDIO",
446 #ifdef CONFIG_SMDK6410_WM1190_EV1
447 /* S3C64xx internal logic & PLL */
448 static struct regulator_init_data wm8350_dcdc1_data
= {
450 .name
= "PVDD_INT+PVDD_PLL",
459 static struct regulator_init_data wm8350_dcdc3_data
= {
467 .mode
= REGULATOR_MODE_NORMAL
,
470 .initial_state
= PM_SUSPEND_MEM
,
474 /* USB, EXT, PCM, ADC/DAC, USB, MMC */
475 static struct regulator_consumer_supply wm8350_dcdc4_consumers
[] = {
476 REGULATOR_SUPPLY("DVDD", "0-001b"),
479 static struct regulator_init_data wm8350_dcdc4_data
= {
481 .name
= "PVDD_HI+PVDD_EXT+PVDD_SYS+PVCCM2MTV",
486 .num_consumer_supplies
= ARRAY_SIZE(wm8350_dcdc4_consumers
),
487 .consumer_supplies
= wm8350_dcdc4_consumers
,
490 /* OTGi/1190-EV1 HPVDD & AVDD */
491 static struct regulator_init_data wm8350_ldo4_data
= {
493 .name
= "PVDD_OTGI+HPVDD+AVDD",
503 struct regulator_init_data
*initdata
;
504 } wm1190_regulators
[] = {
505 { WM8350_DCDC_1
, &wm8350_dcdc1_data
},
506 { WM8350_DCDC_3
, &wm8350_dcdc3_data
},
507 { WM8350_DCDC_4
, &wm8350_dcdc4_data
},
508 { WM8350_DCDC_6
, &smdk6410_vddarm
},
509 { WM8350_LDO_1
, &smdk6410_vddalive
},
510 { WM8350_LDO_2
, &smdk6410_vddotg
},
511 { WM8350_LDO_3
, &smdk6410_vddlcd
},
512 { WM8350_LDO_4
, &wm8350_ldo4_data
},
515 static int __init
smdk6410_wm8350_init(struct wm8350
*wm8350
)
519 /* Configure the IRQ line */
520 s3c_gpio_setpull(S3C64XX_GPN(12), S3C_GPIO_PULL_UP
);
522 /* Instantiate the regulators */
523 for (i
= 0; i
< ARRAY_SIZE(wm1190_regulators
); i
++)
524 wm8350_register_regulator(wm8350
,
525 wm1190_regulators
[i
].regulator
,
526 wm1190_regulators
[i
].initdata
);
531 static struct wm8350_platform_data __initdata smdk6410_wm8350_pdata
= {
532 .init
= smdk6410_wm8350_init
,
534 .irq_base
= IRQ_BOARD_START
,
538 #ifdef CONFIG_SMDK6410_WM1192_EV1
539 static struct gpio_led wm1192_pmic_leds
[] = {
541 .name
= "PMIC:red:power",
542 .gpio
= GPIO_BOARD_START
+ 3,
543 .default_state
= LEDS_GPIO_DEFSTATE_ON
,
547 static struct gpio_led_platform_data wm1192_pmic_led
= {
548 .num_leds
= ARRAY_SIZE(wm1192_pmic_leds
),
549 .leds
= wm1192_pmic_leds
,
552 static struct platform_device wm1192_pmic_led_dev
= {
556 .platform_data
= &wm1192_pmic_led
,
560 static int wm1192_pre_init(struct wm831x
*wm831x
)
564 /* Configure the IRQ line */
565 s3c_gpio_setpull(S3C64XX_GPN(12), S3C_GPIO_PULL_UP
);
567 ret
= platform_device_register(&wm1192_pmic_led_dev
);
569 dev_err(wm831x
->dev
, "Failed to add PMIC LED: %d\n", ret
);
574 static struct wm831x_backlight_pdata wm1192_backlight_pdata
= {
579 static struct regulator_init_data wm1192_dcdc3
= {
581 .name
= "PVDD_MEM+PVDD_GPS",
586 static struct regulator_consumer_supply wm1192_ldo1_consumers
[] = {
587 REGULATOR_SUPPLY("DVDD", "0-001b"), /* WM8580 */
590 static struct regulator_init_data wm1192_ldo1
= {
592 .name
= "PVDD_LCD+PVDD_EXT",
595 .consumer_supplies
= wm1192_ldo1_consumers
,
596 .num_consumer_supplies
= ARRAY_SIZE(wm1192_ldo1_consumers
),
599 static struct wm831x_status_pdata wm1192_led7_pdata
= {
600 .name
= "LED7:green:",
603 static struct wm831x_status_pdata wm1192_led8_pdata
= {
604 .name
= "LED8:green:",
607 static struct wm831x_pdata smdk6410_wm1192_pdata
= {
608 .pre_init
= wm1192_pre_init
,
609 .irq_base
= IRQ_BOARD_START
,
611 .backlight
= &wm1192_backlight_pdata
,
613 &smdk6410_vddarm
, /* DCDC1 */
614 &smdk6410_vddint
, /* DCDC2 */
617 .gpio_base
= GPIO_BOARD_START
,
619 &wm1192_ldo1
, /* LDO1 */
620 &smdk6410_vdduh_mmc
, /* LDO2 */
622 &smdk6410_vddotgi
, /* LDO4 */
623 &smdk6410_vddotg
, /* LDO5 */
624 &smdk6410_vddhi
, /* LDO6 */
625 &smdk6410_vddaudio
, /* LDO7 */
626 &smdk6410_vccm2mtv
, /* LDO8 */
627 &smdk6410_vddpll
, /* LDO9 */
628 &smdk6410_vccmc3bt
, /* LDO10 */
629 &smdk6410_vddalive
, /* LDO11 */
638 static struct i2c_board_info i2c_devs0
[] __initdata
= {
639 { I2C_BOARD_INFO("24c08", 0x50), },
640 { I2C_BOARD_INFO("wm8580", 0x1b), },
642 #ifdef CONFIG_SMDK6410_WM1192_EV1
643 { I2C_BOARD_INFO("wm8312", 0x34),
644 .platform_data
= &smdk6410_wm1192_pdata
,
649 #ifdef CONFIG_SMDK6410_WM1190_EV1
650 { I2C_BOARD_INFO("wm8350", 0x1a),
651 .platform_data
= &smdk6410_wm8350_pdata
,
657 static struct i2c_board_info i2c_devs1
[] __initdata
= {
658 { I2C_BOARD_INFO("24c128", 0x57), }, /* Samsung S524AD0XD1 */
661 static struct s3c2410_ts_mach_info s3c_ts_platform __initdata
= {
664 .oversampling_shift
= 2,
667 /* LCD Backlight data */
668 static struct samsung_bl_gpio_info smdk6410_bl_gpio_info
= {
669 .no
= S3C64XX_GPF(15),
670 .func
= S3C_GPIO_SFN(2),
673 static struct platform_pwm_backlight_data smdk6410_bl_data
= {
677 static void __init
smdk6410_map_io(void)
681 s3c64xx_init_io(smdk6410_iodesc
, ARRAY_SIZE(smdk6410_iodesc
));
682 s3c24xx_init_clocks(12000000);
683 s3c24xx_init_uarts(smdk6410_uartcfgs
, ARRAY_SIZE(smdk6410_uartcfgs
));
685 /* set the LCD type */
687 tmp
= __raw_readl(S3C64XX_SPCON
);
688 tmp
&= ~S3C64XX_SPCON_LCD_SEL_MASK
;
689 tmp
|= S3C64XX_SPCON_LCD_SEL_RGB
;
690 __raw_writel(tmp
, S3C64XX_SPCON
);
692 /* remove the lcd bypass */
693 tmp
= __raw_readl(S3C64XX_MODEM_MIFPCON
);
694 tmp
&= ~MIFPCON_LCD_BYPASS
;
695 __raw_writel(tmp
, S3C64XX_MODEM_MIFPCON
);
698 static void __init
smdk6410_machine_init(void)
702 s3c_i2c0_set_platdata(NULL
);
703 s3c_i2c1_set_platdata(NULL
);
704 s3c_fb_set_platdata(&smdk6410_lcd_pdata
);
706 samsung_keypad_set_platdata(&smdk6410_keypad_data
);
708 s3c24xx_ts_set_platdata(&s3c_ts_platform
);
710 /* configure nCS1 width to 16 bits */
712 cs1
= __raw_readl(S3C64XX_SROM_BW
) &
713 ~(S3C64XX_SROM_BW__CS_MASK
<< S3C64XX_SROM_BW__NCS1__SHIFT
);
714 cs1
|= ((1 << S3C64XX_SROM_BW__DATAWIDTH__SHIFT
) |
715 (1 << S3C64XX_SROM_BW__WAITENABLE__SHIFT
) |
716 (1 << S3C64XX_SROM_BW__BYTEENABLE__SHIFT
)) <<
717 S3C64XX_SROM_BW__NCS1__SHIFT
;
718 __raw_writel(cs1
, S3C64XX_SROM_BW
);
720 /* set timing for nCS1 suitable for ethernet chip */
722 __raw_writel((0 << S3C64XX_SROM_BCX__PMC__SHIFT
) |
723 (6 << S3C64XX_SROM_BCX__TACP__SHIFT
) |
724 (4 << S3C64XX_SROM_BCX__TCAH__SHIFT
) |
725 (1 << S3C64XX_SROM_BCX__TCOH__SHIFT
) |
726 (0xe << S3C64XX_SROM_BCX__TACC__SHIFT
) |
727 (4 << S3C64XX_SROM_BCX__TCOS__SHIFT
) |
728 (0 << S3C64XX_SROM_BCX__TACS__SHIFT
), S3C64XX_SROM_BC1
);
730 gpio_request(S3C64XX_GPN(5), "LCD power");
731 gpio_request(S3C64XX_GPF(13), "LCD power");
733 i2c_register_board_info(0, i2c_devs0
, ARRAY_SIZE(i2c_devs0
));
734 i2c_register_board_info(1, i2c_devs1
, ARRAY_SIZE(i2c_devs1
));
736 s3c_ide_set_platdata(&smdk6410_ide_pdata
);
738 samsung_bl_set(&smdk6410_bl_gpio_info
, &smdk6410_bl_data
);
740 platform_add_devices(smdk6410_devices
, ARRAY_SIZE(smdk6410_devices
));
743 MACHINE_START(SMDK6410
, "SMDK6410")
744 /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
745 .boot_params
= S3C64XX_PA_SDRAM
+ 0x100,
747 .init_irq
= s3c6410_init_irq
,
748 .map_io
= smdk6410_map_io
,
749 .init_machine
= smdk6410_machine_init
,
750 .timer
= &s3c24xx_timer
,