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path: root/arch/arm/mach-s5pv210/mach-goni.c
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/* linux/arch/arm/mach-s5pv210/mach-goni.c
 *
 * Copyright (c) 2010 Samsung Electronics Co., Ltd.
 *		http://www.samsung.com/
 *
 * 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/init.h>
#include <linux/serial_core.h>
#include <linux/fb.h>
#include <linux/i2c.h>
#include <linux/i2c-gpio.h>
#include <linux/mfd/max8998.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/gpio.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/setup.h>
#include <asm/mach-types.h>

#include <mach/map.h>
#include <mach/regs-clock.h>
#include <mach/regs-fb.h>

#include <plat/gpio-cfg.h>
#include <plat/regs-serial.h>
#include <plat/s5pv210.h>
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/fb.h>
#include <plat/sdhci.h>

/* Following are default values for UCON, ULCON and UFCON UART registers */
#define GONI_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
				 S3C2410_UCON_RXILEVEL |	\
				 S3C2410_UCON_TXIRQMODE |	\
				 S3C2410_UCON_RXIRQMODE |	\
				 S3C2410_UCON_RXFIFO_TOI |	\
				 S3C2443_UCON_RXERR_IRQEN)

#define GONI_ULCON_DEFAULT	S3C2410_LCON_CS8

#define GONI_UFCON_DEFAULT	S3C2410_UFCON_FIFOMODE

static struct s3c2410_uartcfg goni_uartcfgs[] __initdata = {
	[0] = {
		.hwport		= 0,
		.flags		= 0,
		.ucon		= GONI_UCON_DEFAULT,
		.ulcon		= GONI_ULCON_DEFAULT,
		.ufcon		= GONI_UFCON_DEFAULT |
			S5PV210_UFCON_TXTRIG256 | S5PV210_UFCON_RXTRIG256,
	},
	[1] = {
		.hwport		= 1,
		.flags		= 0,
		.ucon		= GONI_UCON_DEFAULT,
		.ulcon		= GONI_ULCON_DEFAULT,
		.ufcon		= GONI_UFCON_DEFAULT |
			S5PV210_UFCON_TXTRIG64 | S5PV210_UFCON_RXTRIG64,
	},
	[2] = {
		.hwport		= 2,
		.flags		= 0,
		.ucon		= GONI_UCON_DEFAULT,
		.ulcon		= GONI_ULCON_DEFAULT,
		.ufcon		= GONI_UFCON_DEFAULT |
			S5PV210_UFCON_TXTRIG16 | S5PV210_UFCON_RXTRIG16,
	},
	[3] = {
		.hwport		= 3,
		.flags		= 0,
		.ucon		= GONI_UCON_DEFAULT,
		.ulcon		= GONI_ULCON_DEFAULT,
		.ufcon		= GONI_UFCON_DEFAULT |
			S5PV210_UFCON_TXTRIG16 | S5PV210_UFCON_RXTRIG16,
	},
};

/* Frame Buffer */
static struct s3c_fb_pd_win goni_fb_win0 = {
	.win_mode = {
		.pixclock = 1000000000000ULL / ((16+16+2+480)*(28+3+2+800)*55),
		.left_margin	= 16,
		.right_margin	= 16,
		.upper_margin	= 3,
		.lower_margin	= 28,
		.hsync_len	= 2,
		.vsync_len	= 2,
		.xres		= 480,
		.yres		= 800,
		.refresh	= 55,
	},
	.max_bpp	= 32,
	.default_bpp	= 16,
};

static struct s3c_fb_platdata goni_lcd_pdata __initdata = {
	.win[0]		= &goni_fb_win0,
	.vidcon0	= VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB |
			  VIDCON0_CLKSEL_LCD,
	.vidcon1	= VIDCON1_INV_VCLK | VIDCON1_INV_VDEN
			  | VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
	.setup_gpio	= s5pv210_fb_gpio_setup_24bpp,
};

/* MAX8998 regulators */
#if defined(CONFIG_REGULATOR_MAX8998) || defined(CONFIG_REGULATOR_MAX8998_MODULE)

static struct regulator_init_data goni_ldo2_data = {
	.constraints	= {
		.name		= "VALIVE_1.1V",
		.min_uV		= 1100000,
		.max_uV		= 1100000,
		.apply_uV	= 1,
		.always_on	= 1,
		.state_mem	= {
			.enabled = 1,
		},
	},
};

static struct regulator_init_data goni_ldo3_data = {
	.constraints	= {
		.name		= "VUSB/MIPI_1.1V",
		.min_uV		= 1100000,
		.max_uV		= 1100000,
		.apply_uV	= 1,
		.always_on	= 1,
	},
};

static struct regulator_init_data goni_ldo4_data = {
	.constraints	= {
		.name		= "VDAC_3.3V",
		.min_uV		= 3300000,
		.max_uV		= 3300000,
		.apply_uV	= 1,
	},
};

static struct regulator_init_data goni_ldo5_data = {
	.constraints	= {
		.name		= "VTF_2.8V",
		.min_uV		= 2800000,
		.max_uV		= 2800000,
		.apply_uV	= 1,
	},
};

static struct regulator_init_data goni_ldo6_data = {
	.constraints	= {
		.name		= "VCC_3.3V",
		.min_uV		= 3300000,
		.max_uV		= 3300000,
		.apply_uV	= 1,
	},
};

static struct regulator_init_data goni_ldo7_data = {
	.constraints	= {
		.name		= "VLCD_1.8V",
		.min_uV		= 1800000,
		.max_uV		= 1800000,
		.apply_uV	= 1,
		.always_on	= 1,
	},
};

static struct regulator_init_data goni_ldo8_data = {
	.constraints	= {
		.name		= "VUSB/VADC_3.3V",
		.min_uV		= 3300000,
		.max_uV		= 3300000,
		.apply_uV	= 1,
		.always_on	= 1,
	},
};

static struct regulator_init_data goni_ldo9_data = {
	.constraints	= {
		.name		= "VCC/VCAM_2.8V",
		.min_uV		= 2800000,
		.max_uV		= 2800000,
		.apply_uV	= 1,
		.always_on	= 1,
	},
};

static struct regulator_init_data goni_ldo10_data = {
	.constraints	= {
		.name		= "VPLL_1.1V",
		.min_uV		= 1100000,
		.max_uV		= 1100000,
		.apply_uV	= 1,
		.boot_on	= 1,
	},
};

static struct regulator_init_data goni_ldo11_data = {
	.constraints	= {
		.name		= "CAM_IO_2.8V",
		.min_uV		= 2800000,
		.max_uV		= 2800000,
		.apply_uV	= 1,
		.always_on	= 1,
	},
};

static struct regulator_init_data goni_ldo12_data = {
	.constraints	= {
		.name		= "CAM_ISP_1.2V",
		.min_uV		= 1200000,
		.max_uV		= 1200000,
		.apply_uV	= 1,
		.always_on	= 1,
	},
};

static struct regulator_init_data goni_ldo13_data = {
	.constraints	= {
		.name		= "CAM_A_2.8V",
		.min_uV		= 2800000,
		.max_uV		= 2800000,
		.apply_uV	= 1,
		.always_on	= 1,
	},
};

static struct regulator_init_data goni_ldo14_data = {
	.constraints	= {
		.name		= "CAM_CIF_1.8V",
		.min_uV		= 1800000,
		.max_uV		= 1800000,
		.apply_uV	= 1,
		.always_on	= 1,
	},
};

static struct regulator_init_data goni_ldo15_data = {
	.constraints	= {
		.name		= "CAM_AF_3.3V",
		.min_uV		= 3300000,
		.max_uV		= 3300000,
		.apply_uV	= 1,
		.always_on	= 1,
	},
};

static struct regulator_init_data goni_ldo16_data = {
	.constraints	= {
		.name		= "VMIPI_1.8V",
		.min_uV		= 1800000,
		.max_uV		= 1800000,
		.apply_uV	= 1,
		.always_on	= 1,
	},
};

static struct regulator_init_data goni_ldo17_data = {
	.constraints	= {
		.name		= "VCC_3.0V_LCD",
		.min_uV		= 3000000,
		.max_uV		= 3000000,
		.apply_uV	= 1,
		.always_on	= 1,
	},
};

/* BUCK */
static struct regulator_consumer_supply buck1_consumer[] = {
	{	.supply	= "vddarm", },
};

static struct regulator_consumer_supply buck2_consumer[] = {
	{	.supply	= "vddint", },
};

static struct regulator_init_data goni_buck1_data = {
	.constraints	= {
		.name		= "VARM_1.2V",
		.min_uV		= 1200000,
		.max_uV		= 1200000,
		.apply_uV	= 1,
		.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE |
				  REGULATOR_CHANGE_STATUS,
	},
	.num_consumer_supplies	= ARRAY_SIZE(buck1_consumer),
	.consumer_supplies	= buck1_consumer,
};

static struct regulator_init_data goni_buck2_data = {
	.constraints	= {
		.name		= "VINT_1.2V",
		.min_uV		= 1200000,
		.max_uV		= 1200000,
		.apply_uV	= 1,
		.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE |
				  REGULATOR_CHANGE_STATUS,
	},
	.num_consumer_supplies	= ARRAY_SIZE(buck2_consumer),
	.consumer_supplies	= buck2_consumer,
};

static struct regulator_init_data goni_buck3_data = {
	.constraints	= {
		.name		= "VCC_1.8V",
		.min_uV		= 1800000,
		.max_uV		= 1800000,
		.apply_uV	= 1,
		.state_mem	= {
			.enabled = 1,
		},
	},
};

static struct regulator_init_data goni_buck4_data = {
	.constraints	= {
		.name		= "CAM_CORE_1.2V",
		.min_uV		= 1200000,
		.max_uV		= 1200000,
		.apply_uV	= 1,
		.always_on	= 1,
	},
};

static struct max8998_regulator_data goni_regulators[] = {
	{ MAX8998_LDO2,  &goni_ldo2_data },
	{ MAX8998_LDO3,  &goni_ldo3_data },
	{ MAX8998_LDO4,  &goni_ldo4_data },
	{ MAX8998_LDO5,  &goni_ldo5_data },
	{ MAX8998_LDO6,  &goni_ldo6_data },
	{ MAX8998_LDO7,  &goni_ldo7_data },
	{ MAX8998_LDO8,  &goni_ldo8_data },
	{ MAX8998_LDO9,  &goni_ldo9_data },
	{ MAX8998_LDO10, &goni_ldo10_data },
	{ MAX8998_LDO11, &goni_ldo11_data },
	{ MAX8998_LDO12, &goni_ldo12_data },
	{ MAX8998_LDO13, &goni_ldo13_data },
	{ MAX8998_LDO14, &goni_ldo14_data },
	{ MAX8998_LDO15, &goni_ldo15_data },
	{ MAX8998_LDO16, &goni_ldo16_data },
	{ MAX8998_LDO17, &goni_ldo17_data },
	{ MAX8998_BUCK1, &goni_buck1_data },
	{ MAX8998_BUCK2, &goni_buck2_data },
	{ MAX8998_BUCK3, &goni_buck3_data },
	{ MAX8998_BUCK4, &goni_buck4_data },
};

static struct max8998_platform_data goni_max8998_pdata = {
	.num_regulators	= ARRAY_SIZE(goni_regulators),
	.regulators	= goni_regulators,
};
#endif

/* GPIO I2C PMIC */
#define AP_I2C_GPIO_PMIC_BUS_4	4
static struct i2c_gpio_platform_data goni_i2c_gpio_pmic_data = {
	.sda_pin	= S5PV210_GPJ4(0),	/* XMSMCSN */
	.scl_pin	= S5PV210_GPJ4(3),	/* XMSMIRQN */
};

static struct platform_device goni_i2c_gpio_pmic = {
	.name		= "i2c-gpio",
	.id		= AP_I2C_GPIO_PMIC_BUS_4,
	.dev		= {
		.platform_data	= &goni_i2c_gpio_pmic_data,
	},
};

static struct i2c_board_info i2c_gpio_pmic_devs[] __initdata = {
#if defined(CONFIG_REGULATOR_MAX8998) || defined(CONFIG_REGULATOR_MAX8998_MODULE)
	{
		/* 0xCC when SRAD = 0 */
		I2C_BOARD_INFO("max8998", 0xCC >> 1),
		.platform_data = &goni_max8998_pdata,
	},
#endif
};

/* PMIC Power button */
static struct gpio_keys_button goni_gpio_keys_table[] = {
	{
		.code 		= KEY_POWER,
		.gpio		= S5PV210_GPH2(6),
		.desc		= "gpio-keys: KEY_POWER",
		.type		= EV_KEY,
		.active_low	= 1,
		.wakeup		= 1,
		.debounce_interval = 1,
	},
};

static struct gpio_keys_platform_data goni_gpio_keys_data = {
	.buttons	= goni_gpio_keys_table,
	.nbuttons	= ARRAY_SIZE(goni_gpio_keys_table),
};

static struct platform_device goni_device_gpiokeys = {
	.name = "gpio-keys",
	.dev = {
		.platform_data = &goni_gpio_keys_data,
	},
};

static void __init goni_pmic_init(void)
{
	/* AP_PMIC_IRQ: EINT7 */
	s3c_gpio_cfgpin(S5PV210_GPH0(7), S3C_GPIO_SFN(0xf));
	s3c_gpio_setpull(S5PV210_GPH0(7), S3C_GPIO_PULL_UP);

	/* nPower: EINT22 */
	s3c_gpio_cfgpin(S5PV210_GPH2(6), S3C_GPIO_SFN(0xf));
	s3c_gpio_setpull(S5PV210_GPH2(6), S3C_GPIO_PULL_UP);
}

/* MoviNAND */
static struct s3c_sdhci_platdata goni_hsmmc0_data __initdata = {
	.max_width		= 4,
	.cd_type		= S3C_SDHCI_CD_PERMANENT,
};

/* Wireless LAN */
static struct s3c_sdhci_platdata goni_hsmmc1_data __initdata = {
	.max_width		= 4,
	.cd_type		= S3C_SDHCI_CD_EXTERNAL,
	/* ext_cd_{init,cleanup} callbacks will be added later */
};

/* External Flash */
#define GONI_EXT_FLASH_EN	S5PV210_MP05(4)
#define GONI_EXT_FLASH_CD	S5PV210_GPH3(4)
static struct s3c_sdhci_platdata goni_hsmmc2_data __initdata = {
	.max_width		= 4,
	.cd_type		= S3C_SDHCI_CD_GPIO,
	.ext_cd_gpio		= GONI_EXT_FLASH_CD,
	.ext_cd_gpio_invert	= 1,
};

static void goni_setup_sdhci(void)
{
	gpio_request(GONI_EXT_FLASH_EN, "FLASH_EN");
	gpio_direction_output(GONI_EXT_FLASH_EN, 1);

	s3c_sdhci0_set_platdata(&goni_hsmmc0_data);
	s3c_sdhci1_set_platdata(&goni_hsmmc1_data);
	s3c_sdhci2_set_platdata(&goni_hsmmc2_data);
};

static struct platform_device *goni_devices[] __initdata = {
	&s3c_device_fb,
	&s5pc110_device_onenand,
	&goni_i2c_gpio_pmic,
	&goni_device_gpiokeys,
	&s5p_device_fimc0,
	&s5p_device_fimc1,
	&s5p_device_fimc2,
	&s3c_device_hsmmc0,
	&s3c_device_hsmmc1,
	&s3c_device_hsmmc2,
};

static void __init goni_map_io(void)
{
	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
	s3c24xx_init_clocks(24000000);
	s3c24xx_init_uarts(goni_uartcfgs, ARRAY_SIZE(goni_uartcfgs));
}

static void __init goni_machine_init(void)
{
	/* PMIC */
	goni_pmic_init();
	i2c_register_board_info(AP_I2C_GPIO_PMIC_BUS_4, i2c_gpio_pmic_devs,
			ARRAY_SIZE(i2c_gpio_pmic_devs));
	/* SDHCI */
	goni_setup_sdhci();

	/* FB */
	s3c_fb_set_platdata(&goni_lcd_pdata);

	platform_add_devices(goni_devices, ARRAY_SIZE(goni_devices));
}

MACHINE_START(GONI, "GONI")
	/* Maintainers: Kyungmin Park <kyungmin.park@samsung.com> */
	.phys_io	= S3C_PA_UART & 0xfff00000,
	.io_pg_offst	= (((u32)S3C_VA_UART) >> 18) & 0xfffc,
	.boot_params	= S5P_PA_SDRAM + 0x100,
	.init_irq	= s5pv210_init_irq,
	.map_io		= goni_map_io,
	.init_machine	= goni_machine_init,
	.timer		= &s3c24xx_timer,
MACHINE_END