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board-zoom-peripherals.c

/*
 * Copyright (C) 2009 Texas Instruments Inc.
 *
 * Modified from mach-omap2/board-zoom2.c
 *
 * 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/init.h>
#include <linux/platform_device.h>
#include <linux/input.h>
#include <linux/input/matrix_keypad.h>
#include <linux/gpio.h>
#include <linux/i2c/twl.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/fixed.h>
#include <linux/wl12xx.h>
#include <linux/mmc/host.h>

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

#include <plat/common.h>
#include <plat/usb.h>

#include <mach/board-zoom.h>

#include "mux.h"
#include "hsmmc.h"

#define OMAP_ZOOM_WLAN_PMENA_GPIO   (101)
#define OMAP_ZOOM_WLAN_IRQ_GPIO           (162)

#define LCD_PANEL_ENABLE_GPIO       (7 + OMAP_MAX_GPIO_LINES)

/* Zoom2 has Qwerty keyboard*/
static uint32_t board_keymap[] = {
      KEY(0, 0, KEY_E),
      KEY(0, 1, KEY_R),
      KEY(0, 2, KEY_T),
      KEY(0, 3, KEY_HOME),
      KEY(0, 6, KEY_I),
      KEY(0, 7, KEY_LEFTSHIFT),
      KEY(1, 0, KEY_D),
      KEY(1, 1, KEY_F),
      KEY(1, 2, KEY_G),
      KEY(1, 3, KEY_SEND),
      KEY(1, 6, KEY_K),
      KEY(1, 7, KEY_ENTER),
      KEY(2, 0, KEY_X),
      KEY(2, 1, KEY_C),
      KEY(2, 2, KEY_V),
      KEY(2, 3, KEY_END),
      KEY(2, 6, KEY_DOT),
      KEY(2, 7, KEY_CAPSLOCK),
      KEY(3, 0, KEY_Z),
      KEY(3, 1, KEY_KPPLUS),
      KEY(3, 2, KEY_B),
      KEY(3, 3, KEY_F1),
      KEY(3, 6, KEY_O),
      KEY(3, 7, KEY_SPACE),
      KEY(4, 0, KEY_W),
      KEY(4, 1, KEY_Y),
      KEY(4, 2, KEY_U),
      KEY(4, 3, KEY_F2),
      KEY(4, 4, KEY_VOLUMEUP),
      KEY(4, 6, KEY_L),
      KEY(4, 7, KEY_LEFT),
      KEY(5, 0, KEY_S),
      KEY(5, 1, KEY_H),
      KEY(5, 2, KEY_J),
      KEY(5, 3, KEY_F3),
      KEY(5, 4, KEY_UNKNOWN),
      KEY(5, 5, KEY_VOLUMEDOWN),
      KEY(5, 6, KEY_M),
      KEY(5, 7, KEY_RIGHT),
      KEY(6, 0, KEY_Q),
      KEY(6, 1, KEY_A),
      KEY(6, 2, KEY_N),
      KEY(6, 3, KEY_BACKSPACE),
      KEY(6, 6, KEY_P),
      KEY(6, 7, KEY_UP),
      KEY(7, 0, KEY_PROG1),   /*MACRO 1 <User defined> */
      KEY(7, 1, KEY_PROG2),   /*MACRO 2 <User defined> */
      KEY(7, 2, KEY_PROG3),   /*MACRO 3 <User defined> */
      KEY(7, 3, KEY_PROG4),   /*MACRO 4 <User defined> */
      KEY(7, 6, KEY_SELECT),
      KEY(7, 7, KEY_DOWN)
};

static struct matrix_keymap_data board_map_data = {
      .keymap                 = board_keymap,
      .keymap_size            = ARRAY_SIZE(board_keymap),
};

static struct twl4030_keypad_data zoom_kp_twl4030_data = {
      .keymap_data      = &board_map_data,
      .rows       = 8,
      .cols       = 8,
      .rep        = 1,
};

static struct regulator_consumer_supply zoom_vmmc1_supply = {
      .supply           = "vmmc",
};

static struct regulator_consumer_supply zoom_vsim_supply = {
      .supply           = "vmmc_aux",
};

static struct regulator_consumer_supply zoom_vmmc2_supply = {
      .supply           = "vmmc",
};

static struct regulator_consumer_supply zoom_vmmc3_supply = {
      .supply           = "vmmc",
      .dev_name   = "mmci-omap-hs.2",
};

/* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
static struct regulator_init_data zoom_vmmc1 = {
      .constraints = {
            .min_uV                 = 1850000,
            .max_uV                 = 3150000,
            .valid_modes_mask = REGULATOR_MODE_NORMAL
                              | REGULATOR_MODE_STANDBY,
            .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
                              | REGULATOR_CHANGE_MODE
                              | REGULATOR_CHANGE_STATUS,
      },
      .num_consumer_supplies  = 1,
      .consumer_supplies      = &zoom_vmmc1_supply,
};

/* VMMC2 for MMC2 card */
static struct regulator_init_data zoom_vmmc2 = {
      .constraints = {
            .min_uV                 = 1850000,
            .max_uV                 = 1850000,
            .apply_uV         = true,
            .valid_modes_mask = REGULATOR_MODE_NORMAL
                              | REGULATOR_MODE_STANDBY,
            .valid_ops_mask         = REGULATOR_CHANGE_MODE
                              | REGULATOR_CHANGE_STATUS,
      },
      .num_consumer_supplies  = 1,
      .consumer_supplies      = &zoom_vmmc2_supply,
};

/* VSIM for OMAP VDD_MMC1A (i/o for DAT4..DAT7) */
static struct regulator_init_data zoom_vsim = {
      .constraints = {
            .min_uV                 = 1800000,
            .max_uV                 = 3000000,
            .valid_modes_mask = REGULATOR_MODE_NORMAL
                              | REGULATOR_MODE_STANDBY,
            .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
                              | REGULATOR_CHANGE_MODE
                              | REGULATOR_CHANGE_STATUS,
      },
      .num_consumer_supplies  = 1,
      .consumer_supplies      = &zoom_vsim_supply,
};

static struct regulator_init_data zoom_vmmc3 = {
      .constraints = {
            .valid_ops_mask   = REGULATOR_CHANGE_STATUS,
      },
      .num_consumer_supplies  = 1,
      .consumer_supplies = &zoom_vmmc3_supply,
};

static struct fixed_voltage_config zoom_vwlan = {
      .supply_name            = "vwl1271",
      .microvolts       = 1800000, /* 1.8V */
      .gpio             = OMAP_ZOOM_WLAN_PMENA_GPIO,
      .startup_delay          = 70000, /* 70msec */
      .enable_high            = 1,
      .enabled_at_boot  = 0,
      .init_data        = &zoom_vmmc3,
};

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

static struct wl12xx_platform_data omap_zoom_wlan_data __initdata = {
      .irq = OMAP_GPIO_IRQ(OMAP_ZOOM_WLAN_IRQ_GPIO),
      /* ZOOM ref clock is 26 MHz */
      .board_ref_clock = 1,
};

static struct omap2_hsmmc_info mmc[] = {
      {
            .name       = "external",
            .mmc        = 1,
            .caps       = MMC_CAP_4_BIT_DATA,
            .gpio_wp    = -EINVAL,
            .power_saving     = true,
      },
      {
            .name       = "internal",
            .mmc        = 2,
            .caps       = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
            .gpio_cd    = -EINVAL,
            .gpio_wp    = -EINVAL,
            .nonremovable     = true,
            .power_saving     = true,
      },
      {
            .name       = "wl1271",
            .mmc        = 3,
            .caps       = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
            .gpio_wp    = -EINVAL,
            .gpio_cd    = -EINVAL,
            .nonremovable     = true,
      },
      {}      /* Terminator */
};

static struct regulator_consumer_supply zoom_vpll2_supply =
      REGULATOR_SUPPLY("vdds_dsi", "omapdss");

static struct regulator_consumer_supply zoom_vdda_dac_supply =
      REGULATOR_SUPPLY("vdda_dac", "omapdss");

static struct regulator_init_data zoom_vpll2 = {
      .constraints = {
            .min_uV                 = 1800000,
            .max_uV                 = 1800000,
            .valid_modes_mask       = REGULATOR_MODE_NORMAL
                              | REGULATOR_MODE_STANDBY,
            .valid_ops_mask         = REGULATOR_CHANGE_MODE
                              | REGULATOR_CHANGE_STATUS,
      },
      .num_consumer_supplies        = 1,
      .consumer_supplies            = &zoom_vpll2_supply,
};

static struct regulator_init_data zoom_vdac = {
      .constraints = {
            .min_uV                 = 1800000,
            .max_uV                 = 1800000,
            .valid_modes_mask       = REGULATOR_MODE_NORMAL
                              | REGULATOR_MODE_STANDBY,
            .valid_ops_mask         = REGULATOR_CHANGE_MODE
                              | REGULATOR_CHANGE_STATUS,
      },
      .num_consumer_supplies        = 1,
      .consumer_supplies            = &zoom_vdda_dac_supply,
};

static int zoom_twl_gpio_setup(struct device *dev,
            unsigned gpio, unsigned ngpio)
{
      int ret;

      /* gpio + 0 is "mmc0_cd" (input/IRQ) */
      mmc[0].gpio_cd = gpio + 0;
      omap2_hsmmc_init(mmc);

      /* link regulators to MMC adapters ... we "know" the
       * regulators will be set up only *after* we return.
      */
      zoom_vmmc1_supply.dev = mmc[0].dev;
      zoom_vsim_supply.dev = mmc[0].dev;
      zoom_vmmc2_supply.dev = mmc[1].dev;

      ret = gpio_request(LCD_PANEL_ENABLE_GPIO, "lcd enable");
      if (ret) {
            pr_err("Failed to get LCD_PANEL_ENABLE_GPIO (gpio%d).\n",
                        LCD_PANEL_ENABLE_GPIO);
            return ret;
      }
      gpio_direction_output(LCD_PANEL_ENABLE_GPIO, 0);

      return ret;
}

/* EXTMUTE callback function */
static void zoom2_set_hs_extmute(int mute)
{
      gpio_set_value(ZOOM2_HEADSET_EXTMUTE_GPIO, mute);
}

static int zoom_batt_table[] = {
/* 0 C*/
30800, 29500, 28300, 27100,
26000, 24900, 23900, 22900, 22000, 21100, 20300, 19400, 18700, 17900,
17200, 16500, 15900, 15300, 14700, 14100, 13600, 13100, 12600, 12100,
11600, 11200, 10800, 10400, 10000, 9630,  9280,  8950,  8620,  8310,
8020,  7730,  7460,  7200,  6950,  6710,  6470,  6250,  6040,  5830,
5640,  5450,  5260,  5090,  4920,  4760,  4600,  4450,  4310,  4170,
4040,  3910,  3790,  3670,  3550
};

static struct twl4030_bci_platform_data zoom_bci_data = {
      .battery_tmp_tbl  = zoom_batt_table,
      .tblsize          = ARRAY_SIZE(zoom_batt_table),
};

static struct twl4030_usb_data zoom_usb_data = {
      .usb_mode   = T2_USB_MODE_ULPI,
};

static struct twl4030_gpio_platform_data zoom_gpio_data = {
      .gpio_base  = OMAP_MAX_GPIO_LINES,
      .irq_base   = TWL4030_GPIO_IRQ_BASE,
      .irq_end    = TWL4030_GPIO_IRQ_END,
      .setup            = zoom_twl_gpio_setup,
};

static struct twl4030_madc_platform_data zoom_madc_data = {
      .irq_line   = 1,
};

static struct twl4030_codec_audio_data zoom_audio_data = {
      .audio_mclk = 26000000,
};

static struct twl4030_codec_data zoom_codec_data = {
      .audio_mclk = 26000000,
      .audio = &zoom_audio_data,
};

static struct twl4030_platform_data zoom_twldata = {
      .irq_base   = TWL4030_IRQ_BASE,
      .irq_end    = TWL4030_IRQ_END,

      /* platform_data for children goes here */
      .bci        = &zoom_bci_data,
      .madc       = &zoom_madc_data,
      .usb        = &zoom_usb_data,
      .gpio       = &zoom_gpio_data,
      .keypad           = &zoom_kp_twl4030_data,
      .codec            = &zoom_codec_data,
      .vmmc1          = &zoom_vmmc1,
      .vmmc2          = &zoom_vmmc2,
      .vsim           = &zoom_vsim,
      .vpll2            = &zoom_vpll2,
      .vdac       = &zoom_vdac,
};

static struct i2c_board_info __initdata zoom_i2c_boardinfo[] = {
      {
            I2C_BOARD_INFO("twl5030", 0x48),
            .flags            = I2C_CLIENT_WAKE,
            .irq        = INT_34XX_SYS_NIRQ,
            .platform_data    = &zoom_twldata,
      },
};

static int __init omap_i2c_init(void)
{
      if (machine_is_omap_zoom2()) {
            zoom_audio_data.ramp_delay_value = 3;     /* 161 ms */
            zoom_audio_data.hs_extmute = 1;
            zoom_audio_data.set_hs_extmute = zoom2_set_hs_extmute;
      }
      omap_register_i2c_bus(1, 2400, zoom_i2c_boardinfo,
                  ARRAY_SIZE(zoom_i2c_boardinfo));
      omap_register_i2c_bus(2, 400, NULL, 0);
      omap_register_i2c_bus(3, 400, NULL, 0);
      return 0;
}

static struct omap_musb_board_data musb_board_data = {
      .interface_type         = MUSB_INTERFACE_ULPI,
      .mode             = MUSB_OTG,
      .power                  = 100,
};

static void enable_board_wakeup_source(void)
{
      /* T2 interrupt line (keypad) */
      omap_mux_init_signal("sys_nirq",
            OMAP_WAKEUP_EN | OMAP_PIN_INPUT_PULLUP);
}

void __init zoom_peripherals_init(void)
{
      if (wl12xx_set_platform_data(&omap_zoom_wlan_data))
            pr_err("error setting wl12xx data\n");

      omap_i2c_init();
      platform_device_register(&omap_vwlan_device);
      usb_musb_init(&musb_board_data);
      enable_board_wakeup_source();
      omap_serial_init();
}

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