diff options
Diffstat (limited to 'arch/arm/mach-s3c64xx/mach-smdk6410.c')
| -rw-r--r-- | arch/arm/mach-s3c64xx/mach-smdk6410.c | 681 |
1 files changed, 681 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c new file mode 100644 index 00000000000..d9a03555f88 --- /dev/null +++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c @@ -0,0 +1,681 @@ +/* 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/serial_core.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> + +#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 <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 <mach/regs-modem.h> +#include <mach/regs-gpio.h> +#include <mach/regs-sys.h> +#include <mach/regs-srom.h> +#include <plat/iic.h> +#include <plat/fb.h> +#include <plat/gpio-cfg.h> + +#include <mach/s3c6410.h> +#include <plat/clock.h> +#include <plat/devs.h> +#include <plat/cpu.h> +#include <plat/adc.h> +#include <plat/ts.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, +}; + +/* + * 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] = { + .start = S3C64XX_PA_XM0CSN1, + .end = S3C64XX_PA_XM0CSN1 + 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_ohci, + &s3c_device_usb_hsotg, + &s3c64xx_device_iisv4, + +#ifdef CONFIG_REGULATOR + &smdk6410_b_pwr_5v, +#endif + &smdk6410_lcd_powerdev, + + &smdk6410_smsc911x, + &s3c_device_adc, + &s3c_device_ts, + &s3c_device_wdt, +}; + +#ifdef CONFIG_REGULATOR +/* ARM core */ +static struct regulator_consumer_supply smdk6410_vddarm_consumers[] = { + { + .supply = "vddarm", + } +}; + +/* 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[] = { + { + /* 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, +}; + +/* 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[] = { + { .supply = "DVDD", .dev_name = "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, + .irq_base = IRQ_BOARD_START, + + .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 */ +}; + +static struct s3c2410_ts_mach_info s3c_ts_platform __initdata = { + .delay = 10000, + .presc = 49, + .oversampling_shift = 2, +}; + +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) +{ + u32 cs1; + + s3c_i2c0_set_platdata(NULL); + s3c_i2c1_set_platdata(NULL); + s3c_fb_set_platdata(&smdk6410_lcd_pdata); + + s3c24xx_ts_set_platdata(&s3c_ts_platform); + + /* 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"); + 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-linux@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 |