/* 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