/* linux/arch/arm/mach-s3c6410/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/serial_core.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/i2c.h>
#include <linux/fb.h>
#include <linux/gpio.h>
#include <linux/delay.h>
#include <linux/smsc911x.h>
#include <linux/regulator/fixed.h>
#ifdef CONFIG_SMDK6410_WM1190_EV1
#include <linux/mfd/wm8350/core.h>
#include <linux/mfd/wm8350/pmic.h>
#endif
#include <video/platform_lcd.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <mach/hardware.h>
#include <mach/regs-fb.h>
#include <mach/map.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <plat/regs-serial.h>
#include <plat/regs-modem.h>
#include <plat/regs-gpio.h>
#include <plat/regs-sys.h>
#include <plat/iic.h>
#include <plat/fb.h>
#include <plat/gpio-cfg.h>
#include <plat/s3c6410.h>
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.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);
gpio_direction_output(S3C64XX_GPF(15), 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(15), 0);
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 = {
/* this is to ensure we use win0 */
.win_mode = {
.pixclock = 41094,
.left_margin = 8,
.right_margin = 13,
.upper_margin = 7,
.lower_margin = 5,
.hsync_len = 3,
.vsync_len = 1,
.xres = 800,
.yres = 480,
},
.max_bpp = 32,
.default_bpp = 16,
};
/* 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,
.win[0] = &smdk6410_fb_win0,
.vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
.vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
};
static struct resource smdk6410_smsc911x_resources[] = {
[0] = {
.start = 0x18000000,
.end = 0x18000000 + SZ_64K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = S3C_EINT(10),
.end = S3C_EINT(10),
.flags = 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[] = {
{
/* WM8580 */
.supply = "PVDD",
.dev_name = "0-001b",
},
{
/* WM8580 */
.supply = "AVDD",
.dev_name = "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 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_usb,
&s3c_device_usb_hsotg,
#ifdef CONFIG_REGULATOR
&smdk6410_b_pwr_5v,
#endif
&smdk6410_lcd_powerdev,
&smdk6410_smsc911x,
};
#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[] = {
{
/* WM8580 */
.supply = "DVDD",
.dev_name = "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,
};
/* ARM core */
static struct regulator_consumer_supply dcdc6_consumers[] = {
{
.supply = "vddarm",
}
};
static struct regulator_init_data wm8350_dcdc6_data = {
.constraints = {
.name = "PVDD_ARM",
.min_uV = 1000000,
.max_uV = 1300000,
.always_on = 1,
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
},
.num_consumer_supplies = ARRAY_SIZE(dcdc6_consumers),
.consumer_supplies = dcdc6_consumers,
};
/* Alive */
static struct regulator_init_data wm8350_ldo1_data = {
.constraints = {
.name = "PVDD_ALIVE",
.min_uV = 1200000,
.max_uV = 1200000,
.always_on = 1,
.apply_uV = 1,
},
};
/* OTG */
static struct regulator_init_data wm8350_ldo2_data = {
.constraints = {
.name = "PVDD_OTG",
.min_uV = 3300000,
.max_uV = 3300000,
.always_on = 1,
},
};
/* LCD */
static struct regulator_init_data wm8350_ldo3_data = {
.constraints = {
.name = "PVDD_LCD",
.min_uV = 3000000,
.max_uV = 3000000,
.always_on = 1,
},
};
/* 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, &wm8350_dcdc6_data },
{ WM8350_LDO_1, &wm8350_ldo1_data },
{ WM8350_LDO_2, &wm8350_ldo2_data },
{ WM8350_LDO_3, &wm8350_ldo3_data },
{ 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,
};
#endif
static struct i2c_board_info i2c_devs0[] __initdata = {
{ I2C_BOARD_INFO("24c08", 0x50), },
{ I2C_BOARD_INFO("wm8580", 0x1b), },
#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 */
};
static void __init smdk6410_map_io(void)
{
u32 tmp;
s3c64xx_init_io(smdk6410_iodesc, ARRAY_SIZE(smdk6410_iodesc));
s3c24xx_init_clocks(12000000);
s3c24xx_init_uarts(smdk6410_uartcfgs, ARRAY_SIZE(smdk6410_uartcfgs));
/* 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)
{
s3c_i2c0_set_platdata(NULL);
s3c_i2c1_set_platdata(NULL);
s3c_fb_set_platdata(&smdk6410_lcd_pdata);
gpio_request(S3C64XX_GPN(5), "LCD power");
gpio_request(S3C64XX_GPF(13), "LCD power");
gpio_request(S3C64XX_GPF(15), "LCD power");
i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));
i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
platform_add_devices(smdk6410_devices, ARRAY_SIZE(smdk6410_devices));
}
MACHINE_START(SMDK6410, "SMDK6410")
/* Maintainer: Ben Dooks <ben@fluff.org> */
.phys_io = S3C_PA_UART & 0xfff00000,
.io_pg_offst = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
.boot_params = S3C64XX_PA_SDRAM + 0x100,
.init_irq = s3c6410_init_irq,
.map_io = smdk6410_map_io,
.init_machine = smdk6410_machine_init,
.timer = &s3c24xx_timer,
MACHINE_END