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linux-next/arch/arm/mach-s3c64xx/mach-smdk6410.c
Ulf Hansson d40fce7e62 ARM: s3c64xx: Leave disabling of unused PM domains to genpd 
Since genpd at late init, will try to disable unused PM domains we
don't need to do it from the machine specific code as well.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-09-09 00:46:12 +02:00

711 lines
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/* linux/arch/arm/mach-s3c64xx/mach-smdk6410.c
*
* Copyright 2008 Openmoko, Inc.
* Copyright 2008 Simtec Electronics
* Ben Dooks <ben@simtec.co.uk>
* http://armlinux.simtec.co.uk/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
*/
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/input.h>
#include <linux/serial_core.h>
#include <linux/serial_s3c.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/i2c.h>
#include <linux/leds.h>
#include <linux/fb.h>
#include <linux/gpio.h>
#include <linux/delay.h>
#include <linux/smsc911x.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/pwm_backlight.h>
#include <linux/platform_data/s3c-hsotg.h>
#ifdef CONFIG_SMDK6410_WM1190_EV1
#include <linux/mfd/wm8350/core.h>
#include <linux/mfd/wm8350/pmic.h>
#endif
#ifdef CONFIG_SMDK6410_WM1192_EV1
#include <linux/mfd/wm831x/core.h>
#include <linux/mfd/wm831x/pdata.h>
#endif
#include <video/platform_lcd.h>
#include <video/samsung_fimd.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <mach/hardware.h>
#include <mach/map.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <mach/regs-gpio.h>
#include <mach/gpio-samsung.h>
#include <linux/platform_data/ata-samsung_cf.h>
#include <linux/platform_data/i2c-s3c2410.h>
#include <plat/fb.h>
#include <plat/gpio-cfg.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/adc.h>
#include <linux/platform_data/touchscreen-s3c2410.h>
#include <plat/keypad.h>
#include <plat/backlight.h>
#include <plat/samsung-time.h>
#include "common.h"
#include "regs-modem.h"
#include "regs-srom.h"
#include "regs-sys.h"
#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
static struct s3c2410_uartcfg smdk6410_uartcfgs[] __initdata = {
[0] = {
.hwport = 0,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
[1] = {
.hwport = 1,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
[2] = {
.hwport = 2,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
[3] = {
.hwport = 3,
.flags = 0,
.ucon = UCON,
.ulcon = ULCON,
.ufcon = UFCON,
},
};
/* framebuffer and LCD setup. */
/* GPF15 = LCD backlight control
* GPF13 => Panel power
* GPN5 = LCD nRESET signal
* PWM_TOUT1 => backlight brightness
*/
static void smdk6410_lcd_power_set(struct plat_lcd_data *pd,
unsigned int power)
{
if (power) {
gpio_direction_output(S3C64XX_GPF(13), 1);
/* fire nRESET on power up */
gpio_direction_output(S3C64XX_GPN(5), 0);
msleep(10);
gpio_direction_output(S3C64XX_GPN(5), 1);
msleep(1);
} else {
gpio_direction_output(S3C64XX_GPF(13), 0);
}
}
static struct plat_lcd_data smdk6410_lcd_power_data = {
.set_power = smdk6410_lcd_power_set,
};
static struct platform_device smdk6410_lcd_powerdev = {
.name = "platform-lcd",
.dev.parent = &s3c_device_fb.dev,
.dev.platform_data = &smdk6410_lcd_power_data,
};
static struct s3c_fb_pd_win smdk6410_fb_win0 = {
.max_bpp = 32,
.default_bpp = 16,
.xres = 800,
.yres = 480,
.virtual_y = 480 * 2,
.virtual_x = 800,
};
static struct fb_videomode smdk6410_lcd_timing = {
.left_margin = 8,
.right_margin = 13,
.upper_margin = 7,
.lower_margin = 5,
.hsync_len = 3,
.vsync_len = 1,
.xres = 800,
.yres = 480,
};
/* 405566 clocks per frame => 60Hz refresh requires 24333960Hz clock */
static struct s3c_fb_platdata smdk6410_lcd_pdata __initdata = {
.setup_gpio = s3c64xx_fb_gpio_setup_24bpp,
.vtiming = &smdk6410_lcd_timing,
.win[0] = &smdk6410_fb_win0,
.vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
.vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
};
/*
* Configuring Ethernet on SMDK6410
*
* Both CS8900A and LAN9115 chips share one chip select mediated by CFG6.
* The constant address below corresponds to nCS1
*
* 1) Set CFGB2 p3 ON others off, no other CFGB selects "ethernet"
* 2) CFG6 needs to be switched to "LAN9115" side
*/
static struct resource smdk6410_smsc911x_resources[] = {
[0] = DEFINE_RES_MEM(S3C64XX_PA_XM0CSN1, SZ_64K),
[1] = DEFINE_RES_NAMED(S3C_EINT(10), 1, NULL, IORESOURCE_IRQ \
| IRQ_TYPE_LEVEL_LOW),
};
static struct smsc911x_platform_config smdk6410_smsc911x_pdata = {
.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
.irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
.flags = SMSC911X_USE_32BIT | SMSC911X_FORCE_INTERNAL_PHY,
.phy_interface = PHY_INTERFACE_MODE_MII,
};
static struct platform_device smdk6410_smsc911x = {
.name = "smsc911x",
.id = -1,
.num_resources = ARRAY_SIZE(smdk6410_smsc911x_resources),
.resource = &smdk6410_smsc911x_resources[0],
.dev = {
.platform_data = &smdk6410_smsc911x_pdata,
},
};
#ifdef CONFIG_REGULATOR
static struct regulator_consumer_supply smdk6410_b_pwr_5v_consumers[] __initdata = {
REGULATOR_SUPPLY("PVDD", "0-001b"),
REGULATOR_SUPPLY("AVDD", "0-001b"),
};
static struct regulator_init_data smdk6410_b_pwr_5v_data = {
.constraints = {
.always_on = 1,
},
.num_consumer_supplies = ARRAY_SIZE(smdk6410_b_pwr_5v_consumers),
.consumer_supplies = smdk6410_b_pwr_5v_consumers,
};
static struct fixed_voltage_config smdk6410_b_pwr_5v_pdata = {
.supply_name = "B_PWR_5V",
.microvolts = 5000000,
.init_data = &smdk6410_b_pwr_5v_data,
.gpio = -EINVAL,
};
static struct platform_device smdk6410_b_pwr_5v = {
.name = "reg-fixed-voltage",
.id = -1,
.dev = {
.platform_data = &smdk6410_b_pwr_5v_pdata,
},
};
#endif
static struct s3c_ide_platdata smdk6410_ide_pdata __initdata = {
.setup_gpio = s3c64xx_ide_setup_gpio,
};
static uint32_t smdk6410_keymap[] __initdata = {
/* KEY(row, col, keycode) */
KEY(0, 3, KEY_1), KEY(0, 4, KEY_2), KEY(0, 5, KEY_3),
KEY(0, 6, KEY_4), KEY(0, 7, KEY_5),
KEY(1, 3, KEY_A), KEY(1, 4, KEY_B), KEY(1, 5, KEY_C),
KEY(1, 6, KEY_D), KEY(1, 7, KEY_E)
};
static struct matrix_keymap_data smdk6410_keymap_data __initdata = {
.keymap = smdk6410_keymap,
.keymap_size = ARRAY_SIZE(smdk6410_keymap),
};
static struct samsung_keypad_platdata smdk6410_keypad_data __initdata = {
.keymap_data = &smdk6410_keymap_data,
.rows = 2,
.cols = 8,
};
static struct map_desc smdk6410_iodesc[] = {};
static struct platform_device *smdk6410_devices[] __initdata = {
#ifdef CONFIG_SMDK6410_SD_CH0
&s3c_device_hsmmc0,
#endif
#ifdef CONFIG_SMDK6410_SD_CH1
&s3c_device_hsmmc1,
#endif
&s3c_device_i2c0,
&s3c_device_i2c1,
&s3c_device_fb,
&s3c_device_ohci,
&samsung_device_pwm,
&s3c_device_usb_hsotg,
&s3c64xx_device_iisv4,
&samsung_device_keypad,
#ifdef CONFIG_REGULATOR
&smdk6410_b_pwr_5v,
#endif
&smdk6410_lcd_powerdev,
&smdk6410_smsc911x,
&s3c_device_adc,
&s3c_device_cfcon,
&s3c_device_rtc,
&s3c_device_ts,
&s3c_device_wdt,
};
#ifdef CONFIG_REGULATOR
/* ARM core */
static struct regulator_consumer_supply smdk6410_vddarm_consumers[] = {
REGULATOR_SUPPLY("vddarm", NULL),
};
/* VDDARM, BUCK1 on J5 */
static struct regulator_init_data smdk6410_vddarm = {
.constraints = {
.name = "PVDD_ARM",
.min_uV = 1000000,
.max_uV = 1300000,
.always_on = 1,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
},
.num_consumer_supplies = ARRAY_SIZE(smdk6410_vddarm_consumers),
.consumer_supplies = smdk6410_vddarm_consumers,
};
/* VDD_INT, BUCK2 on J5 */
static struct regulator_init_data smdk6410_vddint = {
.constraints = {
.name = "PVDD_INT",
.min_uV = 1000000,
.max_uV = 1200000,
.always_on = 1,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
},
};
/* VDD_HI, LDO3 on J5 */
static struct regulator_init_data smdk6410_vddhi = {
.constraints = {
.name = "PVDD_HI",
.always_on = 1,
},
};
/* VDD_PLL, LDO2 on J5 */
static struct regulator_init_data smdk6410_vddpll = {
.constraints = {
.name = "PVDD_PLL",
.always_on = 1,
},
};
/* VDD_UH_MMC, LDO5 on J5 */
static struct regulator_init_data smdk6410_vdduh_mmc = {
.constraints = {
.name = "PVDD_UH+PVDD_MMC",
.always_on = 1,
},
};
/* VCCM3BT, LDO8 on J5 */
static struct regulator_init_data smdk6410_vccmc3bt = {
.constraints = {
.name = "PVCCM3BT",
.always_on = 1,
},
};
/* VCCM2MTV, LDO11 on J5 */
static struct regulator_init_data smdk6410_vccm2mtv = {
.constraints = {
.name = "PVCCM2MTV",
.always_on = 1,
},
};
/* VDD_LCD, LDO12 on J5 */
static struct regulator_init_data smdk6410_vddlcd = {
.constraints = {
.name = "PVDD_LCD",
.always_on = 1,
},
};
/* VDD_OTGI, LDO9 on J5 */
static struct regulator_init_data smdk6410_vddotgi = {
.constraints = {
.name = "PVDD_OTGI",
.always_on = 1,
},
};
/* VDD_OTG, LDO14 on J5 */
static struct regulator_init_data smdk6410_vddotg = {
.constraints = {
.name = "PVDD_OTG",
.always_on = 1,
},
};
/* VDD_ALIVE, LDO15 on J5 */
static struct regulator_init_data smdk6410_vddalive = {
.constraints = {
.name = "PVDD_ALIVE",
.always_on = 1,
},
};
/* VDD_AUDIO, VLDO_AUDIO on J5 */
static struct regulator_init_data smdk6410_vddaudio = {
.constraints = {
.name = "PVDD_AUDIO",
.always_on = 1,
},
};
#endif
#ifdef CONFIG_SMDK6410_WM1190_EV1
/* S3C64xx internal logic & PLL */
static struct regulator_init_data wm8350_dcdc1_data = {
.constraints = {
.name = "PVDD_INT+PVDD_PLL",
.min_uV = 1200000,
.max_uV = 1200000,
.always_on = 1,
.apply_uV = 1,
},
};
/* Memory */
static struct regulator_init_data wm8350_dcdc3_data = {
.constraints = {
.name = "PVDD_MEM",
.min_uV = 1800000,
.max_uV = 1800000,
.always_on = 1,
.state_mem = {
.uV = 1800000,
.mode = REGULATOR_MODE_NORMAL,
.enabled = 1,
},
.initial_state = PM_SUSPEND_MEM,
},
};
/* USB, EXT, PCM, ADC/DAC, USB, MMC */
static struct regulator_consumer_supply wm8350_dcdc4_consumers[] = {
REGULATOR_SUPPLY("DVDD", "0-001b"),
};
static struct regulator_init_data wm8350_dcdc4_data = {
.constraints = {
.name = "PVDD_HI+PVDD_EXT+PVDD_SYS+PVCCM2MTV",
.min_uV = 3000000,
.max_uV = 3000000,
.always_on = 1,
},
.num_consumer_supplies = ARRAY_SIZE(wm8350_dcdc4_consumers),
.consumer_supplies = wm8350_dcdc4_consumers,
};
/* OTGi/1190-EV1 HPVDD & AVDD */
static struct regulator_init_data wm8350_ldo4_data = {
.constraints = {
.name = "PVDD_OTGI+HPVDD+AVDD",
.min_uV = 1200000,
.max_uV = 1200000,
.apply_uV = 1,
.always_on = 1,
},
};
static struct {
int regulator;
struct regulator_init_data *initdata;
} wm1190_regulators[] = {
{ WM8350_DCDC_1, &wm8350_dcdc1_data },
{ WM8350_DCDC_3, &wm8350_dcdc3_data },
{ WM8350_DCDC_4, &wm8350_dcdc4_data },
{ WM8350_DCDC_6, &smdk6410_vddarm },
{ WM8350_LDO_1, &smdk6410_vddalive },
{ WM8350_LDO_2, &smdk6410_vddotg },
{ WM8350_LDO_3, &smdk6410_vddlcd },
{ WM8350_LDO_4, &wm8350_ldo4_data },
};
static int __init smdk6410_wm8350_init(struct wm8350 *wm8350)
{
int i;
/* Configure the IRQ line */
s3c_gpio_setpull(S3C64XX_GPN(12), S3C_GPIO_PULL_UP);
/* Instantiate the regulators */
for (i = 0; i < ARRAY_SIZE(wm1190_regulators); i++)
wm8350_register_regulator(wm8350,
wm1190_regulators[i].regulator,
wm1190_regulators[i].initdata);
return 0;
}
static struct wm8350_platform_data __initdata smdk6410_wm8350_pdata = {
.init = smdk6410_wm8350_init,
.irq_high = 1,
.irq_base = IRQ_BOARD_START,
};
#endif
#ifdef CONFIG_SMDK6410_WM1192_EV1
static struct gpio_led wm1192_pmic_leds[] = {
{
.name = "PMIC:red:power",
.gpio = GPIO_BOARD_START + 3,
.default_state = LEDS_GPIO_DEFSTATE_ON,
},
};
static struct gpio_led_platform_data wm1192_pmic_led = {
.num_leds = ARRAY_SIZE(wm1192_pmic_leds),
.leds = wm1192_pmic_leds,
};
static struct platform_device wm1192_pmic_led_dev = {
.name = "leds-gpio",
.id = -1,
.dev = {
.platform_data = &wm1192_pmic_led,
},
};
static int wm1192_pre_init(struct wm831x *wm831x)
{
int ret;
/* Configure the IRQ line */
s3c_gpio_setpull(S3C64XX_GPN(12), S3C_GPIO_PULL_UP);
ret = platform_device_register(&wm1192_pmic_led_dev);
if (ret != 0)
dev_err(wm831x->dev, "Failed to add PMIC LED: %d\n", ret);
return 0;
}
static struct wm831x_backlight_pdata wm1192_backlight_pdata = {
.isink = 1,
.max_uA = 27554,
};
static struct regulator_init_data wm1192_dcdc3 = {
.constraints = {
.name = "PVDD_MEM+PVDD_GPS",
.always_on = 1,
},
};
static struct regulator_consumer_supply wm1192_ldo1_consumers[] = {
REGULATOR_SUPPLY("DVDD", "0-001b"), /* WM8580 */
};
static struct regulator_init_data wm1192_ldo1 = {
.constraints = {
.name = "PVDD_LCD+PVDD_EXT",
.always_on = 1,
},
.consumer_supplies = wm1192_ldo1_consumers,
.num_consumer_supplies = ARRAY_SIZE(wm1192_ldo1_consumers),
};
static struct wm831x_status_pdata wm1192_led7_pdata = {
.name = "LED7:green:",
};
static struct wm831x_status_pdata wm1192_led8_pdata = {
.name = "LED8:green:",
};
static struct wm831x_pdata smdk6410_wm1192_pdata = {
.pre_init = wm1192_pre_init,
.backlight = &wm1192_backlight_pdata,
.dcdc = {
&smdk6410_vddarm, /* DCDC1 */
&smdk6410_vddint, /* DCDC2 */
&wm1192_dcdc3,
},
.gpio_base = GPIO_BOARD_START,
.ldo = {
&wm1192_ldo1, /* LDO1 */
&smdk6410_vdduh_mmc, /* LDO2 */
NULL, /* LDO3 NC */
&smdk6410_vddotgi, /* LDO4 */
&smdk6410_vddotg, /* LDO5 */
&smdk6410_vddhi, /* LDO6 */
&smdk6410_vddaudio, /* LDO7 */
&smdk6410_vccm2mtv, /* LDO8 */
&smdk6410_vddpll, /* LDO9 */
&smdk6410_vccmc3bt, /* LDO10 */
&smdk6410_vddalive, /* LDO11 */
},
.status = {
&wm1192_led7_pdata,
&wm1192_led8_pdata,
},
};
#endif
static struct i2c_board_info i2c_devs0[] __initdata = {
{ I2C_BOARD_INFO("24c08", 0x50), },
{ I2C_BOARD_INFO("wm8580", 0x1b), },
#ifdef CONFIG_SMDK6410_WM1192_EV1
{ I2C_BOARD_INFO("wm8312", 0x34),
.platform_data = &smdk6410_wm1192_pdata,
.irq = S3C_EINT(12),
},
#endif
#ifdef CONFIG_SMDK6410_WM1190_EV1
{ I2C_BOARD_INFO("wm8350", 0x1a),
.platform_data = &smdk6410_wm8350_pdata,
.irq = S3C_EINT(12),
},
#endif
};
static struct i2c_board_info i2c_devs1[] __initdata = {
{ I2C_BOARD_INFO("24c128", 0x57), }, /* Samsung S524AD0XD1 */
};
/* LCD Backlight data */
static struct samsung_bl_gpio_info smdk6410_bl_gpio_info = {
.no = S3C64XX_GPF(15),
.func = S3C_GPIO_SFN(2),
};
static struct platform_pwm_backlight_data smdk6410_bl_data = {
.pwm_id = 1,
.enable_gpio = -1,
};
static struct s3c_hsotg_plat smdk6410_hsotg_pdata;
static void __init smdk6410_map_io(void)
{
u32 tmp;
s3c64xx_init_io(smdk6410_iodesc, ARRAY_SIZE(smdk6410_iodesc));
s3c64xx_set_xtal_freq(12000000);
s3c24xx_init_uarts(smdk6410_uartcfgs, ARRAY_SIZE(smdk6410_uartcfgs));
samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
/* set the LCD type */
tmp = __raw_readl(S3C64XX_SPCON);
tmp &= ~S3C64XX_SPCON_LCD_SEL_MASK;
tmp |= S3C64XX_SPCON_LCD_SEL_RGB;
__raw_writel(tmp, S3C64XX_SPCON);
/* remove the lcd bypass */
tmp = __raw_readl(S3C64XX_MODEM_MIFPCON);
tmp &= ~MIFPCON_LCD_BYPASS;
__raw_writel(tmp, S3C64XX_MODEM_MIFPCON);
}
static void __init smdk6410_machine_init(void)
{
u32 cs1;
s3c_i2c0_set_platdata(NULL);
s3c_i2c1_set_platdata(NULL);
s3c_fb_set_platdata(&smdk6410_lcd_pdata);
s3c_hsotg_set_platdata(&smdk6410_hsotg_pdata);
samsung_keypad_set_platdata(&smdk6410_keypad_data);
s3c24xx_ts_set_platdata(NULL);
/* configure nCS1 width to 16 bits */
cs1 = __raw_readl(S3C64XX_SROM_BW) &
~(S3C64XX_SROM_BW__CS_MASK << S3C64XX_SROM_BW__NCS1__SHIFT);
cs1 |= ((1 << S3C64XX_SROM_BW__DATAWIDTH__SHIFT) |
(1 << S3C64XX_SROM_BW__WAITENABLE__SHIFT) |
(1 << S3C64XX_SROM_BW__BYTEENABLE__SHIFT)) <<
S3C64XX_SROM_BW__NCS1__SHIFT;
__raw_writel(cs1, S3C64XX_SROM_BW);
/* set timing for nCS1 suitable for ethernet chip */
__raw_writel((0 << S3C64XX_SROM_BCX__PMC__SHIFT) |
(6 << S3C64XX_SROM_BCX__TACP__SHIFT) |
(4 << S3C64XX_SROM_BCX__TCAH__SHIFT) |
(1 << S3C64XX_SROM_BCX__TCOH__SHIFT) |
(0xe << S3C64XX_SROM_BCX__TACC__SHIFT) |
(4 << S3C64XX_SROM_BCX__TCOS__SHIFT) |
(0 << S3C64XX_SROM_BCX__TACS__SHIFT), S3C64XX_SROM_BC1);
gpio_request(S3C64XX_GPN(5), "LCD power");
gpio_request(S3C64XX_GPF(13), "LCD power");
i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));
i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
s3c_ide_set_platdata(&smdk6410_ide_pdata);
platform_add_devices(smdk6410_devices, ARRAY_SIZE(smdk6410_devices));
samsung_bl_set(&smdk6410_bl_gpio_info, &smdk6410_bl_data);
}
MACHINE_START(SMDK6410, "SMDK6410")
/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
.atag_offset = 0x100,
.init_irq = s3c6410_init_irq,
.map_io = smdk6410_map_io,
.init_machine = smdk6410_machine_init,
.init_time = samsung_timer_init,
.restart = s3c64xx_restart,
MACHINE_END
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