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mach-aquila.c

/* linux/arch/arm/mach-s5pv210/mach-aquila.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/mfd/wm8994/pdata.h>
#include <linux/regulator/fixed.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/fimc-core.h>
#include <plat/sdhci.h>

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

#define AQUILA_ULCON_DEFAULT  S3C2410_LCON_CS8

#define AQUILA_UFCON_DEFAULT  S3C2410_UFCON_FIFOMODE

static struct s3c2410_uartcfg aquila_uartcfgs[] __initdata = {
      [0] = {
            .hwport           = 0,
            .flags            = 0,
            .ucon       = AQUILA_UCON_DEFAULT,
            .ulcon            = AQUILA_ULCON_DEFAULT,
            /*
             * Actually UART0 can support 256 bytes fifo, but aquila board
             * supports 128 bytes fifo because of initial chip bug
             */
            .ufcon            = AQUILA_UFCON_DEFAULT |
                  S5PV210_UFCON_TXTRIG128 | S5PV210_UFCON_RXTRIG128,
      },
      [1] = {
            .hwport           = 1,
            .flags            = 0,
            .ucon       = AQUILA_UCON_DEFAULT,
            .ulcon            = AQUILA_ULCON_DEFAULT,
            .ufcon            = AQUILA_UFCON_DEFAULT |
                  S5PV210_UFCON_TXTRIG64 | S5PV210_UFCON_RXTRIG64,
      },
      [2] = {
            .hwport           = 2,
            .flags            = 0,
            .ucon       = AQUILA_UCON_DEFAULT,
            .ulcon            = AQUILA_ULCON_DEFAULT,
            .ufcon            = AQUILA_UFCON_DEFAULT |
                  S5PV210_UFCON_TXTRIG16 | S5PV210_UFCON_RXTRIG16,
      },
      [3] = {
            .hwport           = 3,
            .flags            = 0,
            .ucon       = AQUILA_UCON_DEFAULT,
            .ulcon            = AQUILA_ULCON_DEFAULT,
            .ufcon            = AQUILA_UFCON_DEFAULT |
                  S5PV210_UFCON_TXTRIG16 | S5PV210_UFCON_RXTRIG16,
      },
};

/* Frame Buffer */
static struct s3c_fb_pd_win aquila_fb_win0 = {
      .win_mode = {
            .left_margin = 16,
            .right_margin = 16,
            .upper_margin = 3,
            .lower_margin = 28,
            .hsync_len = 2,
            .vsync_len = 2,
            .xres = 480,
            .yres = 800,
      },
      .max_bpp = 32,
      .default_bpp = 16,
};

static struct s3c_fb_pd_win aquila_fb_win1 = {
      .win_mode = {
            .left_margin = 16,
            .right_margin = 16,
            .upper_margin = 3,
            .lower_margin = 28,
            .hsync_len = 2,
            .vsync_len = 2,
            .xres = 480,
            .yres = 800,
      },
      .max_bpp = 32,
      .default_bpp = 16,
};

static struct s3c_fb_platdata aquila_lcd_pdata __initdata = {
      .win[0]           = &aquila_fb_win0,
      .win[1]           = &aquila_fb_win1,
      .vidcon0    = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
      .vidcon1    = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC |
                    VIDCON1_INV_VCLK | VIDCON1_INV_VDEN,
      .setup_gpio = s5pv210_fb_gpio_setup_24bpp,
};

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

static struct regulator_init_data aquila_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 aquila_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 aquila_ldo4_data = {
      .constraints      = {
            .name       = "VDAC_3.3V",
            .min_uV           = 3300000,
            .max_uV           = 3300000,
            .apply_uV   = 1,
      },
};

static struct regulator_init_data aquila_ldo5_data = {
      .constraints      = {
            .name       = "VTF_2.8V",
            .min_uV           = 2800000,
            .max_uV           = 2800000,
            .apply_uV   = 1,
      },
};

static struct regulator_init_data aquila_ldo6_data = {
      .constraints      = {
            .name       = "VCC_3.3V",
            .min_uV           = 3300000,
            .max_uV           = 3300000,
            .apply_uV   = 1,
      },
};

static struct regulator_init_data aquila_ldo7_data = {
      .constraints      = {
            .name       = "VCC_3.0V",
            .min_uV           = 3000000,
            .max_uV           = 3000000,
            .apply_uV   = 1,
            .boot_on    = 1,
            .always_on  = 1,
      },
};

static struct regulator_init_data aquila_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 aquila_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 aquila_ldo10_data = {
      .constraints      = {
            .name       = "VPLL_1.1V",
            .min_uV           = 1100000,
            .max_uV           = 1100000,
            .apply_uV   = 1,
            .boot_on    = 1,
      },
};

static struct regulator_init_data aquila_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 aquila_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 aquila_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 aquila_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 aquila_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 aquila_ldo16_data = {
      .constraints      = {
            .name       = "VMIPI_1.8V",
            .min_uV           = 1800000,
            .max_uV           = 1800000,
            .apply_uV   = 1,
            .always_on  = 1,
      },
};

static struct regulator_init_data aquila_ldo17_data = {
      .constraints      = {
            .name       = "CAM_8M_1.8V",
            .min_uV           = 1800000,
            .max_uV           = 1800000,
            .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 aquila_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 aquila_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 aquila_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 aquila_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 aquila_regulators[] = {
      { MAX8998_LDO2,  &aquila_ldo2_data },
      { MAX8998_LDO3,  &aquila_ldo3_data },
      { MAX8998_LDO4,  &aquila_ldo4_data },
      { MAX8998_LDO5,  &aquila_ldo5_data },
      { MAX8998_LDO6,  &aquila_ldo6_data },
      { MAX8998_LDO7,  &aquila_ldo7_data },
      { MAX8998_LDO8,  &aquila_ldo8_data },
      { MAX8998_LDO9,  &aquila_ldo9_data },
      { MAX8998_LDO10, &aquila_ldo10_data },
      { MAX8998_LDO11, &aquila_ldo11_data },
      { MAX8998_LDO12, &aquila_ldo12_data },
      { MAX8998_LDO13, &aquila_ldo13_data },
      { MAX8998_LDO14, &aquila_ldo14_data },
      { MAX8998_LDO15, &aquila_ldo15_data },
      { MAX8998_LDO16, &aquila_ldo16_data },
      { MAX8998_LDO17, &aquila_ldo17_data },
      { MAX8998_BUCK1, &aquila_buck1_data },
      { MAX8998_BUCK2, &aquila_buck2_data },
      { MAX8998_BUCK3, &aquila_buck3_data },
      { MAX8998_BUCK4, &aquila_buck4_data },
};

static struct max8998_platform_data aquila_max8998_pdata = {
      .num_regulators   = ARRAY_SIZE(aquila_regulators),
      .regulators = aquila_regulators,
      .buck1_set1 = S5PV210_GPH0(3),
      .buck1_set2 = S5PV210_GPH0(4),
      .buck2_set3 = S5PV210_GPH0(5),
      .buck1_max_voltage1 = 1200000,
      .buck1_max_voltage2 = 1200000,
      .buck2_max_voltage = 1200000,
};
#endif

static struct regulator_consumer_supply wm8994_fixed_voltage0_supplies[] = {
      {
            .dev_name   = "5-001a",
            .supply           = "DBVDD",
      }, {
            .dev_name   = "5-001a",
            .supply           = "AVDD2",
      }, {
            .dev_name   = "5-001a",
            .supply           = "CPVDD",
      },
};

static struct regulator_consumer_supply wm8994_fixed_voltage1_supplies[] = {
      {
            .dev_name   = "5-001a",
            .supply           = "SPKVDD1",
      }, {
            .dev_name   = "5-001a",
            .supply           = "SPKVDD2",
      },
};

static struct regulator_init_data wm8994_fixed_voltage0_init_data = {
      .constraints = {
            .always_on = 1,
      },
      .num_consumer_supplies  = ARRAY_SIZE(wm8994_fixed_voltage0_supplies),
      .consumer_supplies      = wm8994_fixed_voltage0_supplies,
};

static struct regulator_init_data wm8994_fixed_voltage1_init_data = {
      .constraints = {
            .always_on = 1,
      },
      .num_consumer_supplies  = ARRAY_SIZE(wm8994_fixed_voltage1_supplies),
      .consumer_supplies      = wm8994_fixed_voltage1_supplies,
};

static struct fixed_voltage_config wm8994_fixed_voltage0_config = {
      .supply_name      = "VCC_1.8V_PDA",
      .microvolts = 1800000,
      .gpio       = -EINVAL,
      .init_data  = &wm8994_fixed_voltage0_init_data,
};

static struct fixed_voltage_config wm8994_fixed_voltage1_config = {
      .supply_name      = "V_BAT",
      .microvolts = 3700000,
      .gpio       = -EINVAL,
      .init_data  = &wm8994_fixed_voltage1_init_data,
};

static struct platform_device wm8994_fixed_voltage0 = {
      .name       = "reg-fixed-voltage",
      .id         = 0,
      .dev        = {
            .platform_data    = &wm8994_fixed_voltage0_config,
      },
};

static struct platform_device wm8994_fixed_voltage1 = {
      .name       = "reg-fixed-voltage",
      .id         = 1,
      .dev        = {
            .platform_data    = &wm8994_fixed_voltage1_config,
      },
};

static struct regulator_consumer_supply wm8994_avdd1_supply = {
      .dev_name   = "5-001a",
      .supply           = "AVDD1",
};

static struct regulator_consumer_supply wm8994_dcvdd_supply = {
      .dev_name   = "5-001a",
      .supply           = "DCVDD",
};

static struct regulator_init_data wm8994_ldo1_data = {
      .constraints      = {
            .name       = "AVDD1_3.0V",
            .valid_ops_mask   = REGULATOR_CHANGE_STATUS,
      },
      .num_consumer_supplies  = 1,
      .consumer_supplies      = &wm8994_avdd1_supply,
};

static struct regulator_init_data wm8994_ldo2_data = {
      .constraints      = {
            .name       = "DCVDD_1.0V",
      },
      .num_consumer_supplies  = 1,
      .consumer_supplies      = &wm8994_dcvdd_supply,
};

static struct wm8994_pdata wm8994_platform_data = {
      /* configure gpio1 function: 0x0001(Logic level input/output) */
      .gpio_defaults[0] = 0x0001,
      /* configure gpio3/4/5/7 function for AIF2 voice */
      .gpio_defaults[2] = 0x8100,
      .gpio_defaults[3] = 0x8100,
      .gpio_defaults[4] = 0x8100,
      .gpio_defaults[6] = 0x0100,
      /* configure gpio8/9/10/11 function for AIF3 BT */
      .gpio_defaults[7] = 0x8100,
      .gpio_defaults[8] = 0x0100,
      .gpio_defaults[9] = 0x0100,
      .gpio_defaults[10] = 0x0100,
      .ldo[0]     = { S5PV210_MP03(6), NULL, &wm8994_ldo1_data }, /* XM0FRNB_2 */
      .ldo[1]     = { 0, NULL, &wm8994_ldo2_data },
};

/* GPIO I2C PMIC */
#define AP_I2C_GPIO_PMIC_BUS_4      4
static struct i2c_gpio_platform_data aquila_i2c_gpio_pmic_data = {
      .sda_pin    = S5PV210_GPJ4(0),      /* XMSMCSN */
      .scl_pin    = S5PV210_GPJ4(3),      /* XMSMIRQN */
};

static struct platform_device aquila_i2c_gpio_pmic = {
      .name       = "i2c-gpio",
      .id         = AP_I2C_GPIO_PMIC_BUS_4,
      .dev        = {
            .platform_data = &aquila_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 = &aquila_max8998_pdata,
      },
#endif
};

/* GPIO I2C AP 1.8V */
#define AP_I2C_GPIO_BUS_5     5
static struct i2c_gpio_platform_data aquila_i2c_gpio5_data = {
      .sda_pin    = S5PV210_MP05(3),      /* XM0ADDR_11 */
      .scl_pin    = S5PV210_MP05(2),      /* XM0ADDR_10 */
};

static struct platform_device aquila_i2c_gpio5 = {
      .name       = "i2c-gpio",
      .id         = AP_I2C_GPIO_BUS_5,
      .dev        = {
            .platform_data    = &aquila_i2c_gpio5_data,
      },
};

static struct i2c_board_info i2c_gpio5_devs[] __initdata = {
      {
            /* CS/ADDR = low 0x34 (FYI: high = 0x36) */
            I2C_BOARD_INFO("wm8994", 0x1a),
            .platform_data    = &wm8994_platform_data,
      },
};

/* PMIC Power button */
static struct gpio_keys_button aquila_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 aquila_gpio_keys_data = {
      .buttons    = aquila_gpio_keys_table,
      .nbuttons   = ARRAY_SIZE(aquila_gpio_keys_table),
};

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

static void __init aquila_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 aquila_hsmmc0_data __initdata = {
      .max_width        = 4,
      .cd_type          = S3C_SDHCI_CD_PERMANENT,
};

/* Wireless LAN */
static struct s3c_sdhci_platdata aquila_hsmmc1_data __initdata = {
      .max_width        = 4,
      .cd_type          = S3C_SDHCI_CD_EXTERNAL,
      /* ext_cd_{init,cleanup} callbacks will be added later */
};

/* External Flash */
#define AQUILA_EXT_FLASH_EN   S5PV210_MP05(4)
#define AQUILA_EXT_FLASH_CD   S5PV210_GPH3(4)
static struct s3c_sdhci_platdata aquila_hsmmc2_data __initdata = {
      .max_width        = 4,
      .cd_type          = S3C_SDHCI_CD_GPIO,
      .ext_cd_gpio            = AQUILA_EXT_FLASH_CD,
      .ext_cd_gpio_invert     = 1,
};

static void aquila_setup_sdhci(void)
{
      gpio_request(AQUILA_EXT_FLASH_EN, "FLASH_EN");
      gpio_direction_output(AQUILA_EXT_FLASH_EN, 1);

      s3c_sdhci0_set_platdata(&aquila_hsmmc0_data);
      s3c_sdhci1_set_platdata(&aquila_hsmmc1_data);
      s3c_sdhci2_set_platdata(&aquila_hsmmc2_data);
};

static struct platform_device *aquila_devices[] __initdata = {
      &aquila_i2c_gpio_pmic,
      &aquila_i2c_gpio5,
      &aquila_device_gpiokeys,
      &s3c_device_fb,
      &s5p_device_onenand,
      &s3c_device_hsmmc0,
      &s3c_device_hsmmc1,
      &s3c_device_hsmmc2,
      &s5p_device_fimc0,
      &s5p_device_fimc1,
      &s5p_device_fimc2,
      &s5pv210_device_iis0,
      &wm8994_fixed_voltage0,
      &wm8994_fixed_voltage1,
};

static void __init aquila_sound_init(void)
{
      unsigned int gpio;

      /* CODEC_XTAL_EN
       *
       * The Aquila board have a oscillator which provide main clock
       * to WM8994 codec. The oscillator provide 24MHz clock to WM8994
       * clock. Set gpio setting of "CODEC_XTAL_EN" to enable a oscillator.
       * */
      gpio = S5PV210_GPH3(2);       /* XEINT_26 */
      gpio_request(gpio, "CODEC_XTAL_EN");
      s3c_gpio_cfgpin(gpio, S3C_GPIO_OUTPUT);
      s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);

      /* Ths main clock of WM8994 codec uses the output of CLKOUT pin.
       * The CLKOUT[9:8] set to 0x3(XUSBXTI) of 0xE010E000(OTHERS)
       * because it needs 24MHz clock to operate WM8994 codec.
       */
      __raw_writel(__raw_readl(S5P_OTHERS) | (0x3 << 8), S5P_OTHERS);
}

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

static void __init aquila_machine_init(void)
{
      /* PMIC */
      aquila_pmic_init();
      i2c_register_board_info(AP_I2C_GPIO_PMIC_BUS_4, i2c_gpio_pmic_devs,
                  ARRAY_SIZE(i2c_gpio_pmic_devs));
      /* SDHCI */
      aquila_setup_sdhci();

      s3c_fimc_setname(0, "s5p-fimc");
      s3c_fimc_setname(1, "s5p-fimc");
      s3c_fimc_setname(2, "s5p-fimc");

      /* SOUND */
      aquila_sound_init();
      i2c_register_board_info(AP_I2C_GPIO_BUS_5, i2c_gpio5_devs,
                  ARRAY_SIZE(i2c_gpio5_devs));

      /* FB */
      s3c_fb_set_platdata(&aquila_lcd_pdata);

      platform_add_devices(aquila_devices, ARRAY_SIZE(aquila_devices));
}

MACHINE_START(AQUILA, "Aquila")
      /* Maintainers:
         Marek Szyprowski <m.szyprowski@samsung.com>
         Kyungmin Park <kyungmin.park@samsung.com> */
      .boot_params      = S5P_PA_SDRAM + 0x100,
      .init_irq   = s5pv210_init_irq,
      .map_io           = aquila_map_io,
      .init_machine     = aquila_machine_init,
      .timer            = &s3c24xx_timer,
MACHINE_END

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