[deliverable/linux.git] / arch / arm / mach-omap2 / board-omap4panda.c

/*
 * Board support file for OMAP4430 based PandaBoard.
 *
 * Copyright (C) 2010 Texas Instruments
 *
 * Author: David Anders <x0132446@ti.com>
 *
 * Based on mach-omap2/board-4430sdp.c
 *
 * Author: Santosh Shilimkar <santosh.shilimkar@ti.com>
 *
 * Based on mach-omap2/board-3430sdp.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/clk.h>
#include <linux/io.h>
#include <linux/leds.h>
#include <linux/gpio.h>
#include <linux/usb/otg.h>
#include <linux/i2c/twl.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/fixed.h>
#include <linux/wl12xx.h>

#include <mach/hardware.h>
#include <mach/omap4-common.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <video/omapdss.h>

#include <plat/board.h>
#include <plat/common.h>
#include <plat/usb.h>
#include <plat/mmc.h>
#include <video/omap-panel-generic-dpi.h>

#include "hsmmc.h"
#include "control.h"
#include "mux.h"
#include "common-board-devices.h"

#define GPIO_HUB_POWER		1
#define GPIO_HUB_NRESET		62
#define GPIO_WIFI_PMENA		43
#define GPIO_WIFI_IRQ		53
#define HDMI_GPIO_HPD 60 /* Hot plug pin for HDMI */
#define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */

/* wl127x BT, FM, GPS connectivity chip */
static int wl1271_gpios[] = {46, -1, -1};
static struct platform_device wl1271_device = {
	.name	= "kim",
	.id	= -1,
	.dev	= {
		.platform_data	= &wl1271_gpios,
	},
};

static struct gpio_led gpio_leds[] = {
	{
		.name			= "pandaboard::status1",
		.default_trigger	= "heartbeat",
		.gpio			= 7,
	},
	{
		.name			= "pandaboard::status2",
		.default_trigger	= "mmc0",
		.gpio			= 8,
	},
};

static struct gpio_led_platform_data gpio_led_info = {
	.leds		= gpio_leds,
	.num_leds	= ARRAY_SIZE(gpio_leds),
};

static struct platform_device leds_gpio = {
	.name	= "leds-gpio",
	.id	= -1,
	.dev	= {
		.platform_data	= &gpio_led_info,
	},
};

static struct platform_device *panda_devices[] __initdata = {
	&leds_gpio,
	&wl1271_device,
};

static void __init omap4_panda_init_early(void)
{
	omap2_init_common_infrastructure();
}

static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
	.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
	.port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
	.phy_reset  = false,
	.reset_gpio_port[0]  = -EINVAL,
	.reset_gpio_port[1]  = -EINVAL,
	.reset_gpio_port[2]  = -EINVAL
};

static struct gpio panda_ehci_gpios[] __initdata = {
	{ GPIO_HUB_POWER,	GPIOF_OUT_INIT_LOW,  "hub_power"  },
	{ GPIO_HUB_NRESET,	GPIOF_OUT_INIT_LOW,  "hub_nreset" },
};

static void __init omap4_ehci_init(void)
{
	int ret;
	struct clk *phy_ref_clk;

	/* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
	phy_ref_clk = clk_get(NULL, "auxclk3_ck");
	if (IS_ERR(phy_ref_clk)) {
		pr_err("Cannot request auxclk3\n");
		return;
	}
	clk_set_rate(phy_ref_clk, 19200000);
	clk_enable(phy_ref_clk);

	/* disable the power to the usb hub prior to init and reset phy+hub */
	ret = gpio_request_array(panda_ehci_gpios,
				 ARRAY_SIZE(panda_ehci_gpios));
	if (ret) {
		pr_err("Unable to initialize EHCI power/reset\n");
		return;
	}

	gpio_export(GPIO_HUB_POWER, 0);
	gpio_export(GPIO_HUB_NRESET, 0);
	gpio_set_value(GPIO_HUB_NRESET, 1);

	usbhs_init(&usbhs_bdata);

	/* enable power to hub */
	gpio_set_value(GPIO_HUB_POWER, 1);
}

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

static struct omap2_hsmmc_info mmc[] = {
	{
		.mmc		= 1,
		.caps		= MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
		.gpio_wp	= -EINVAL,
		.gpio_cd	= -EINVAL,
	},
	{
		.name		= "wl1271",
		.mmc		= 5,
		.caps		= MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
		.gpio_wp	= -EINVAL,
		.gpio_cd	= -EINVAL,
		.ocr_mask	= MMC_VDD_165_195,
		.nonremovable	= true,
	},
	{}	/* Terminator */
};

static struct regulator_consumer_supply omap4_panda_vmmc5_supply[] = {
	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.4"),
};

static struct regulator_init_data panda_vmmc5 = {
	.constraints = {
		.valid_ops_mask = REGULATOR_CHANGE_STATUS,
	},
	.num_consumer_supplies = ARRAY_SIZE(omap4_panda_vmmc5_supply),
	.consumer_supplies = omap4_panda_vmmc5_supply,
};

static struct fixed_voltage_config panda_vwlan = {
	.supply_name = "vwl1271",
	.microvolts = 1800000, /* 1.8V */
	.gpio = GPIO_WIFI_PMENA,
	.startup_delay = 70000, /* 70msec */
	.enable_high = 1,
	.enabled_at_boot = 0,
	.init_data = &panda_vmmc5,
};

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

struct wl12xx_platform_data omap_panda_wlan_data  __initdata = {
	.irq = OMAP_GPIO_IRQ(GPIO_WIFI_IRQ),
	/* PANDA ref clock is 38.4 MHz */
	.board_ref_clock = 2,
};

static int omap4_twl6030_hsmmc_late_init(struct device *dev)
{
	int ret = 0;
	struct platform_device *pdev = container_of(dev,
				struct platform_device, dev);
	struct omap_mmc_platform_data *pdata = dev->platform_data;

	if (!pdata) {
		dev_err(dev, "%s: NULL platform data\n", __func__);
		return -EINVAL;
	}
	/* Setting MMC1 Card detect Irq */
	if (pdev->id == 0) {
		ret = twl6030_mmc_card_detect_config();
		 if (ret)
			dev_err(dev, "%s: Error card detect config(%d)\n",
				__func__, ret);
		 else
			pdata->slots[0].card_detect = twl6030_mmc_card_detect;
	}
	return ret;
}

static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
{
	struct omap_mmc_platform_data *pdata;

	/* dev can be null if CONFIG_MMC_OMAP_HS is not set */
	if (!dev) {
		pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n");
		return;
	}
	pdata = dev->platform_data;

	pdata->init =	omap4_twl6030_hsmmc_late_init;
}

static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
{
	struct omap2_hsmmc_info *c;

	omap2_hsmmc_init(controllers);
	for (c = controllers; c->mmc; c++)
		omap4_twl6030_hsmmc_set_late_init(c->dev);

	return 0;
}

/* Panda board uses the common PMIC configuration */
static struct twl4030_platform_data omap4_panda_twldata;

/*
 * Display monitor features are burnt in their EEPROM as EDID data. The EEPROM
 * is connected as I2C slave device, and can be accessed at address 0x50
 */
static struct i2c_board_info __initdata panda_i2c_eeprom[] = {
	{
		I2C_BOARD_INFO("eeprom", 0x50),
	},
};

static int __init omap4_panda_i2c_init(void)
{
	omap4_pmic_get_config(&omap4_panda_twldata, TWL_COMMON_PDATA_USB,
			TWL_COMMON_REGULATOR_VDAC |
			TWL_COMMON_REGULATOR_VAUX2 |
			TWL_COMMON_REGULATOR_VAUX3 |
			TWL_COMMON_REGULATOR_VMMC |
			TWL_COMMON_REGULATOR_VPP |
			TWL_COMMON_REGULATOR_VANA |
			TWL_COMMON_REGULATOR_VCXIO |
			TWL_COMMON_REGULATOR_VUSB |
			TWL_COMMON_REGULATOR_CLK32KG);
	omap4_pmic_init("twl6030", &omap4_panda_twldata);
	omap_register_i2c_bus(2, 400, NULL, 0);
	/*
	 * Bus 3 is attached to the DVI port where devices like the pico DLP
	 * projector don't work reliably with 400kHz
	 */
	omap_register_i2c_bus(3, 100, panda_i2c_eeprom,
					ARRAY_SIZE(panda_i2c_eeprom));
	omap_register_i2c_bus(4, 400, NULL, 0);
	return 0;
}

#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
	/* WLAN IRQ - GPIO 53 */
	OMAP4_MUX(GPMC_NCS3, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
	/* WLAN POWER ENABLE - GPIO 43 */
	OMAP4_MUX(GPMC_A19, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
	/* WLAN SDIO: MMC5 CMD */
	OMAP4_MUX(SDMMC5_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
	/* WLAN SDIO: MMC5 CLK */
	OMAP4_MUX(SDMMC5_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
	/* WLAN SDIO: MMC5 DAT[0-3] */
	OMAP4_MUX(SDMMC5_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
	OMAP4_MUX(SDMMC5_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
	OMAP4_MUX(SDMMC5_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
	OMAP4_MUX(SDMMC5_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
	/* gpio 0 - TFP410 PD */
	OMAP4_MUX(KPD_COL1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE3),
	/* dispc2_data23 */
	OMAP4_MUX(USBB2_ULPITLL_STP, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
	/* dispc2_data22 */
	OMAP4_MUX(USBB2_ULPITLL_DIR, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
	/* dispc2_data21 */
	OMAP4_MUX(USBB2_ULPITLL_NXT, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
	/* dispc2_data20 */
	OMAP4_MUX(USBB2_ULPITLL_DAT0, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
	/* dispc2_data19 */
	OMAP4_MUX(USBB2_ULPITLL_DAT1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
	/* dispc2_data18 */
	OMAP4_MUX(USBB2_ULPITLL_DAT2, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
	/* dispc2_data15 */
	OMAP4_MUX(USBB2_ULPITLL_DAT3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
	/* dispc2_data14 */
	OMAP4_MUX(USBB2_ULPITLL_DAT4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
	/* dispc2_data13 */
	OMAP4_MUX(USBB2_ULPITLL_DAT5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
	/* dispc2_data12 */
	OMAP4_MUX(USBB2_ULPITLL_DAT6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
	/* dispc2_data11 */
	OMAP4_MUX(USBB2_ULPITLL_DAT7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
	/* dispc2_data10 */
	OMAP4_MUX(DPM_EMU3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
	/* dispc2_data9 */
	OMAP4_MUX(DPM_EMU4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
	/* dispc2_data16 */
	OMAP4_MUX(DPM_EMU5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
	/* dispc2_data17 */
	OMAP4_MUX(DPM_EMU6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
	/* dispc2_hsync */
	OMAP4_MUX(DPM_EMU7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
	/* dispc2_pclk */
	OMAP4_MUX(DPM_EMU8, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
	/* dispc2_vsync */
	OMAP4_MUX(DPM_EMU9, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
	/* dispc2_de */
	OMAP4_MUX(DPM_EMU10, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
	/* dispc2_data8 */
	OMAP4_MUX(DPM_EMU11, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
	/* dispc2_data7 */
	OMAP4_MUX(DPM_EMU12, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
	/* dispc2_data6 */
	OMAP4_MUX(DPM_EMU13, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
	/* dispc2_data5 */
	OMAP4_MUX(DPM_EMU14, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
	/* dispc2_data4 */
	OMAP4_MUX(DPM_EMU15, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
	/* dispc2_data3 */
	OMAP4_MUX(DPM_EMU16, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
	/* dispc2_data2 */
	OMAP4_MUX(DPM_EMU17, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
	/* dispc2_data1 */
	OMAP4_MUX(DPM_EMU18, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
	/* dispc2_data0 */
	OMAP4_MUX(DPM_EMU19, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
	{ .reg_offset = OMAP_MUX_TERMINATOR },
};

static struct omap_device_pad serial2_pads[] __initdata = {
	OMAP_MUX_STATIC("uart2_cts.uart2_cts",
			 OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
	OMAP_MUX_STATIC("uart2_rts.uart2_rts",
			 OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
	OMAP_MUX_STATIC("uart2_rx.uart2_rx",
			 OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
	OMAP_MUX_STATIC("uart2_tx.uart2_tx",
			 OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
};

static struct omap_device_pad serial3_pads[] __initdata = {
	OMAP_MUX_STATIC("uart3_cts_rctx.uart3_cts_rctx",
			 OMAP_PIN_INPUT_PULLUP | OMAP_MUX_MODE0),
	OMAP_MUX_STATIC("uart3_rts_sd.uart3_rts_sd",
			 OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
	OMAP_MUX_STATIC("uart3_rx_irrx.uart3_rx_irrx",
			 OMAP_PIN_INPUT | OMAP_MUX_MODE0),
	OMAP_MUX_STATIC("uart3_tx_irtx.uart3_tx_irtx",
			 OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
};

static struct omap_device_pad serial4_pads[] __initdata = {
	OMAP_MUX_STATIC("uart4_rx.uart4_rx",
			 OMAP_PIN_INPUT | OMAP_MUX_MODE0),
	OMAP_MUX_STATIC("uart4_tx.uart4_tx",
			 OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
};

static struct omap_board_data serial2_data __initdata = {
	.id             = 1,
	.pads           = serial2_pads,
	.pads_cnt       = ARRAY_SIZE(serial2_pads),
};

static struct omap_board_data serial3_data __initdata = {
	.id             = 2,
	.pads           = serial3_pads,
	.pads_cnt       = ARRAY_SIZE(serial3_pads),
};

static struct omap_board_data serial4_data __initdata = {
	.id             = 3,
	.pads           = serial4_pads,
	.pads_cnt       = ARRAY_SIZE(serial4_pads),
};

static inline void board_serial_init(void)
{
	struct omap_board_data bdata;
	bdata.flags     = 0;
	bdata.pads      = NULL;
	bdata.pads_cnt  = 0;
	bdata.id        = 0;
	/* pass dummy data for UART1 */
	omap_serial_init_port(&bdata);

	omap_serial_init_port(&serial2_data);
	omap_serial_init_port(&serial3_data);
	omap_serial_init_port(&serial4_data);
}
#else
#define board_mux	NULL

static inline void board_serial_init(void)
{
	omap_serial_init();
}
#endif

/* Display DVI */
#define PANDA_DVI_TFP410_POWER_DOWN_GPIO	0

static int omap4_panda_enable_dvi(struct omap_dss_device *dssdev)
{
	gpio_set_value(dssdev->reset_gpio, 1);
	return 0;
}

static void omap4_panda_disable_dvi(struct omap_dss_device *dssdev)
{
	gpio_set_value(dssdev->reset_gpio, 0);
}

/* Using generic display panel */
static struct panel_generic_dpi_data omap4_dvi_panel = {
	.name			= "generic",
	.platform_enable	= omap4_panda_enable_dvi,
	.platform_disable	= omap4_panda_disable_dvi,
};

struct omap_dss_device omap4_panda_dvi_device = {
	.type			= OMAP_DISPLAY_TYPE_DPI,
	.name			= "dvi",
	.driver_name		= "generic_dpi_panel",
	.data			= &omap4_dvi_panel,
	.phy.dpi.data_lines	= 24,
	.reset_gpio		= PANDA_DVI_TFP410_POWER_DOWN_GPIO,
	.channel		= OMAP_DSS_CHANNEL_LCD2,
};

int __init omap4_panda_dvi_init(void)
{
	int r;

	/* Requesting TFP410 DVI GPIO and disabling it, at bootup */
	r = gpio_request_one(omap4_panda_dvi_device.reset_gpio,
				GPIOF_OUT_INIT_LOW, "DVI PD");
	if (r)
		pr_err("Failed to get DVI powerdown GPIO\n");

	return r;
}


static void omap4_panda_hdmi_mux_init(void)
{
	/* PAD0_HDMI_HPD_PAD1_HDMI_CEC */
	omap_mux_init_signal("hdmi_hpd",
			OMAP_PIN_INPUT_PULLUP);
	omap_mux_init_signal("hdmi_cec",
			OMAP_PIN_INPUT_PULLUP);
	/* PAD0_HDMI_DDC_SCL_PAD1_HDMI_DDC_SDA */
	omap_mux_init_signal("hdmi_ddc_scl",
			OMAP_PIN_INPUT_PULLUP);
	omap_mux_init_signal("hdmi_ddc_sda",
			OMAP_PIN_INPUT_PULLUP);
}

static struct gpio panda_hdmi_gpios[] = {
	{ HDMI_GPIO_HPD,	GPIOF_OUT_INIT_HIGH, "hdmi_gpio_hpd"   },
	{ HDMI_GPIO_LS_OE,	GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ls_oe" },
};

static int omap4_panda_panel_enable_hdmi(struct omap_dss_device *dssdev)
{
	int status;

	status = gpio_request_array(panda_hdmi_gpios,
				    ARRAY_SIZE(panda_hdmi_gpios));
	if (status)
		pr_err("Cannot request HDMI GPIOs\n");

	return status;
}

static void omap4_panda_panel_disable_hdmi(struct omap_dss_device *dssdev)
{
	gpio_free(HDMI_GPIO_LS_OE);
	gpio_free(HDMI_GPIO_HPD);
}

static struct omap_dss_device  omap4_panda_hdmi_device = {
	.name = "hdmi",
	.driver_name = "hdmi_panel",
	.type = OMAP_DISPLAY_TYPE_HDMI,
	.platform_enable = omap4_panda_panel_enable_hdmi,
	.platform_disable = omap4_panda_panel_disable_hdmi,
	.channel = OMAP_DSS_CHANNEL_DIGIT,
};

static struct omap_dss_device *omap4_panda_dss_devices[] = {
	&omap4_panda_dvi_device,
	&omap4_panda_hdmi_device,
};

static struct omap_dss_board_info omap4_panda_dss_data = {
	.num_devices	= ARRAY_SIZE(omap4_panda_dss_devices),
	.devices	= omap4_panda_dss_devices,
	.default_device	= &omap4_panda_dvi_device,
};

void omap4_panda_display_init(void)
{
	int r;

	r = omap4_panda_dvi_init();
	if (r)
		pr_err("error initializing panda DVI\n");

	omap4_panda_hdmi_mux_init();
	omap_display_init(&omap4_panda_dss_data);
}

static void __init omap4_panda_init(void)
{
	int package = OMAP_PACKAGE_CBS;

	if (omap_rev() == OMAP4430_REV_ES1_0)
		package = OMAP_PACKAGE_CBL;
	omap4_mux_init(board_mux, NULL, package);

	if (wl12xx_set_platform_data(&omap_panda_wlan_data))
		pr_err("error setting wl12xx data\n");

	omap4_panda_i2c_init();
	platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
	platform_device_register(&omap_vwlan_device);
	board_serial_init();
	omap_sdrc_init(NULL, NULL);
	omap4_twl6030_hsmmc_init(mmc);
	omap4_ehci_init();
	usb_musb_init(&musb_board_data);
	omap4_panda_display_init();
}

static void __init omap4_panda_map_io(void)
{
	omap2_set_globals_443x();
	omap44xx_map_common_io();
}

MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
	/* Maintainer: David Anders - Texas Instruments Inc */
	.boot_params	= 0x80000100,
	.reserve	= omap_reserve,
	.map_io		= omap4_panda_map_io,
	.init_early	= omap4_panda_init_early,
	.init_irq	= gic_init_irq,
	.init_machine	= omap4_panda_init,
	.timer		= &omap4_timer,
MACHINE_END
Commit	Line	Data
b075f58b DA	1	/*
	2	* Board support file for OMAP4430 based PandaBoard.
	3	*
	4	* Copyright (C) 2010 Texas Instruments
	5	*
	6	* Author: David Anders <x0132446@ti.com>
	7	*
	8	* Based on mach-omap2/board-4430sdp.c
	9	*
	10	* Author: Santosh Shilimkar <santosh.shilimkar@ti.com>
	11	*
	12	* Based on mach-omap2/board-3430sdp.c
	13	*
	14	* This program is free software; you can redistribute it and/or modify
	15	* it under the terms of the GNU General Public License version 2 as
	16	* published by the Free Software Foundation.
	17	*/
	18
	19	#include <linux/kernel.h>
	20	#include <linux/init.h>
	21	#include <linux/platform_device.h>
1740d483	22	#include <linux/clk.h>
b075f58b	23	#include <linux/io.h>
3da434ac	24	#include <linux/leds.h>
b075f58b DA	25	#include <linux/gpio.h>
	26	#include <linux/usb/otg.h>
	27	#include <linux/i2c/twl.h>
	28	#include <linux/regulator/machine.h>
edc84061	29	#include <linux/regulator/fixed.h>
b17e0979	30	#include <linux/wl12xx.h>
b075f58b DA	31
	32	#include <mach/hardware.h>
	33	#include <mach/omap4-common.h>
	34	#include <asm/mach-types.h>
	35	#include <asm/mach/arch.h>
	36	#include <asm/mach/map.h>
a0b38cc4	37	#include <video/omapdss.h>
b075f58b DA	38
	39	#include <plat/board.h>
	40	#include <plat/common.h>
b075f58b DA	41	#include <plat/usb.h>
b075f58b DA	42	#include <plat/mmc.h>
f8ae2f08	43	#include <video/omap-panel-generic-dpi.h>
b075f58b	44
b075f58b	45	#include "hsmmc.h"
4814ced5	46	#include "control.h"
fc63de82	47	#include "mux.h"
fbd8071c	48	#include "common-board-devices.h"
b075f58b	49
4415beb6 DA	50	#define GPIO_HUB_POWER 1
4415beb6 DA	51	#define GPIO_HUB_NRESET 62
edc84061	52	#define GPIO_WIFI_PMENA 43
b17e0979	53	#define GPIO_WIFI_IRQ 53
17c84ef1 M	54	#define HDMI_GPIO_HPD 60 /* Hot plug pin for HDMI */
17c84ef1 M	55	#define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */
4415beb6	56
ec179ea5 GE	57	/* wl127x BT, FM, GPS connectivity chip */
	58	static int wl1271_gpios[] = {46, -1, -1};
	59	static struct platform_device wl1271_device = {
	60	.name = "kim",
	61	.id = -1,
	62	.dev = {
	63	.platform_data = &wl1271_gpios,
	64	},
	65	};
4415beb6	66
3da434ac RSA	67	static struct gpio_led gpio_leds[] = {
	68	{
	69	.name = "pandaboard::status1",
	70	.default_trigger = "heartbeat",
	71	.gpio = 7,
	72	},
	73	{
	74	.name = "pandaboard::status2",
	75	.default_trigger = "mmc0",
	76	.gpio = 8,
	77	},
	78	};
b075f58b	79
3da434ac RSA	80	static struct gpio_led_platform_data gpio_led_info = {
	81	.leds = gpio_leds,
	82	.num_leds = ARRAY_SIZE(gpio_leds),
	83	};
	84
	85	static struct platform_device leds_gpio = {
	86	.name = "leds-gpio",
	87	.id = -1,
	88	.dev = {
	89	.platform_data = &gpio_led_info,
	90	},
	91	};
	92
	93	static struct platform_device *panda_devices[] __initdata = {
	94	&leds_gpio,
ec179ea5	95	&wl1271_device,
3da434ac	96	};
b075f58b	97
3dc3bad6	98	static void __init omap4_panda_init_early(void)
b075f58b	99	{
4805734b	100	omap2_init_common_infrastructure();
b075f58b DA	101	}
b075f58b DA	102
181b250c KM	103	static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
	104	.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
	105	.port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
	106	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
4415beb6 DA	107	.phy_reset = false,
	108	.reset_gpio_port[0] = -EINVAL,
	109	.reset_gpio_port[1] = -EINVAL,
	110	.reset_gpio_port[2] = -EINVAL
	111	};
	112
bc593f5d IG	113	static struct gpio panda_ehci_gpios[] __initdata = {
	114	{ GPIO_HUB_POWER, GPIOF_OUT_INIT_LOW, "hub_power" },
	115	{ GPIO_HUB_NRESET, GPIOF_OUT_INIT_LOW, "hub_nreset" },
	116	};
	117
4415beb6 DA	118	static void __init omap4_ehci_init(void)
	119	{
	120	int ret;
1740d483	121	struct clk *phy_ref_clk;
4415beb6	122
1740d483 AG	123	/* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
	124	phy_ref_clk = clk_get(NULL, "auxclk3_ck");
	125	if (IS_ERR(phy_ref_clk)) {
	126	pr_err("Cannot request auxclk3\n");
bc593f5d	127	return;
1740d483 AG	128	}
	129	clk_set_rate(phy_ref_clk, 19200000);
	130	clk_enable(phy_ref_clk);
4415beb6	131
bc593f5d IG	132	/* disable the power to the usb hub prior to init and reset phy+hub */
	133	ret = gpio_request_array(panda_ehci_gpios,
	134	ARRAY_SIZE(panda_ehci_gpios));
4415beb6	135	if (ret) {
bc593f5d IG	136	pr_err("Unable to initialize EHCI power/reset\n");
bc593f5d IG	137	return;
4415beb6	138	}
4415beb6	139
bc593f5d	140	gpio_export(GPIO_HUB_POWER, 0);
4415beb6	141	gpio_export(GPIO_HUB_NRESET, 0);
4415beb6 DA	142	gpio_set_value(GPIO_HUB_NRESET, 1);
4415beb6 DA	143
9e64bb1e	144	usbhs_init(&usbhs_bdata);
4415beb6 DA	145
	146	/* enable power to hub */
	147	gpio_set_value(GPIO_HUB_POWER, 1);
4415beb6 DA	148	}
4415beb6 DA	149
b075f58b DA	150	static struct omap_musb_board_data musb_board_data = {
b075f58b DA	151	.interface_type = MUSB_INTERFACE_UTMI,
09e72002	152	.mode = MUSB_OTG,
b075f58b DA	153	.power = 100,
	154	};
	155
	156	static struct omap2_hsmmc_info mmc[] = {
	157	{
	158	.mmc = 1,
3a63833e	159	.caps = MMC_CAP_4_BIT_DATA \| MMC_CAP_8_BIT_DATA,
b075f58b	160	.gpio_wp = -EINVAL,
5b59cc2f	161	.gpio_cd = -EINVAL,
b075f58b	162	},
b17e0979 PM	163	{
	164	.name = "wl1271",
	165	.mmc = 5,
	166	.caps = MMC_CAP_4_BIT_DATA \| MMC_CAP_POWER_OFF_CARD,
	167	.gpio_wp = -EINVAL,
	168	.gpio_cd = -EINVAL,
	169	.ocr_mask = MMC_VDD_165_195,
	170	.nonremovable = true,
	171	},
b075f58b DA	172	{} /* Terminator */
	173	};
	174
786b01a8 OD	175	static struct regulator_consumer_supply omap4_panda_vmmc5_supply[] = {
786b01a8 OD	176	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.4"),
edc84061 PM	177	};
	178
	179	static struct regulator_init_data panda_vmmc5 = {
	180	.constraints = {
	181	.valid_ops_mask = REGULATOR_CHANGE_STATUS,
	182	},
786b01a8 OD	183	.num_consumer_supplies = ARRAY_SIZE(omap4_panda_vmmc5_supply),
786b01a8 OD	184	.consumer_supplies = omap4_panda_vmmc5_supply,
edc84061 PM	185	};
	186
	187	static struct fixed_voltage_config panda_vwlan = {
	188	.supply_name = "vwl1271",
	189	.microvolts = 1800000, /* 1.8V */
	190	.gpio = GPIO_WIFI_PMENA,
	191	.startup_delay = 70000, /* 70msec */
	192	.enable_high = 1,
	193	.enabled_at_boot = 0,
	194	.init_data = &panda_vmmc5,
	195	};
	196
	197	static struct platform_device omap_vwlan_device = {
	198	.name = "reg-fixed-voltage",
	199	.id = 1,
	200	.dev = {
	201	.platform_data = &panda_vwlan,
	202	},
	203	};
	204
b17e0979 PM	205	struct wl12xx_platform_data omap_panda_wlan_data __initdata = {
	206	.irq = OMAP_GPIO_IRQ(GPIO_WIFI_IRQ),
	207	/* PANDA ref clock is 38.4 MHz */
	208	.board_ref_clock = 2,
	209	};
	210
b075f58b DA	211	static int omap4_twl6030_hsmmc_late_init(struct device *dev)
	212	{
	213	int ret = 0;
	214	struct platform_device *pdev = container_of(dev,
	215	struct platform_device, dev);
	216	struct omap_mmc_platform_data *pdata = dev->platform_data;
	217
bf56f0a6 MN	218	if (!pdata) {
	219	dev_err(dev, "%s: NULL platform data\n", __func__);
	220	return -EINVAL;
	221	}
b075f58b	222	/* Setting MMC1 Card detect Irq */
bf56f0a6 MN	223	if (pdev->id == 0) {
	224	ret = twl6030_mmc_card_detect_config();
	225	if (ret)
	226	dev_err(dev, "%s: Error card detect config(%d)\n",
	227	__func__, ret);
	228	else
	229	pdata->slots[0].card_detect = twl6030_mmc_card_detect;
	230	}
b075f58b DA	231	return ret;
	232	}
	233
	234	static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
	235	{
b9b52620 DA	236	struct omap_mmc_platform_data *pdata;
	237
	238	/* dev can be null if CONFIG_MMC_OMAP_HS is not set */
	239	if (!dev) {
	240	pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n");
	241	return;
	242	}
	243	pdata = dev->platform_data;
b075f58b DA	244
	245	pdata->init = omap4_twl6030_hsmmc_late_init;
	246	}
	247
	248	static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
	249	{
	250	struct omap2_hsmmc_info *c;
	251
	252	omap2_hsmmc_init(controllers);
	253	for (c = controllers; c->mmc; c++)
	254	omap4_twl6030_hsmmc_set_late_init(c->dev);
	255
	256	return 0;
	257	}
	258
b22f954b PU	259	/* Panda board uses the common PMIC configuration */
b22f954b PU	260	static struct twl4030_platform_data omap4_panda_twldata;
b075f58b	261
b295d6e5 MR	262	/*
	263	* Display monitor features are burnt in their EEPROM as EDID data. The EEPROM
	264	* is connected as I2C slave device, and can be accessed at address 0x50
	265	*/
	266	static struct i2c_board_info __initdata panda_i2c_eeprom[] = {
	267	{
	268	I2C_BOARD_INFO("eeprom", 0x50),
	269	},
	270	};
	271
b075f58b DA	272	static int __init omap4_panda_i2c_init(void)
b075f58b DA	273	{
b22f954b PU	274	omap4_pmic_get_config(&omap4_panda_twldata, TWL_COMMON_PDATA_USB,
	275	TWL_COMMON_REGULATOR_VDAC \|
	276	TWL_COMMON_REGULATOR_VAUX2 \|
	277	TWL_COMMON_REGULATOR_VAUX3 \|
	278	TWL_COMMON_REGULATOR_VMMC \|
	279	TWL_COMMON_REGULATOR_VPP \|
	280	TWL_COMMON_REGULATOR_VANA \|
	281	TWL_COMMON_REGULATOR_VCXIO \|
	282	TWL_COMMON_REGULATOR_VUSB \|
	283	TWL_COMMON_REGULATOR_CLK32KG);
fbd8071c	284	omap4_pmic_init("twl6030", &omap4_panda_twldata);
b075f58b	285	omap_register_i2c_bus(2, 400, NULL, 0);
b295d6e5 MR	286	/*
	287	* Bus 3 is attached to the DVI port where devices like the pico DLP
	288	* projector don't work reliably with 400kHz
	289	*/
	290	omap_register_i2c_bus(3, 100, panda_i2c_eeprom,
	291	ARRAY_SIZE(panda_i2c_eeprom));
b075f58b DA	292	omap_register_i2c_bus(4, 400, NULL, 0);
	293	return 0;
	294	}
fc63de82	295
	296	#ifdef CONFIG_OMAP_MUX
	297	static struct omap_board_mux board_mux[] __initdata = {
66e171a3 PM	298	/* WLAN IRQ - GPIO 53 */
	299	OMAP4_MUX(GPMC_NCS3, OMAP_MUX_MODE3 \| OMAP_PIN_INPUT),
	300	/* WLAN POWER ENABLE - GPIO 43 */
	301	OMAP4_MUX(GPMC_A19, OMAP_MUX_MODE3 \| OMAP_PIN_OUTPUT),
	302	/* WLAN SDIO: MMC5 CMD */
	303	OMAP4_MUX(SDMMC5_CMD, OMAP_MUX_MODE0 \| OMAP_PIN_INPUT_PULLUP),
	304	/* WLAN SDIO: MMC5 CLK */
	305	OMAP4_MUX(SDMMC5_CLK, OMAP_MUX_MODE0 \| OMAP_PIN_INPUT_PULLUP),
	306	/* WLAN SDIO: MMC5 DAT[0-3] */
	307	OMAP4_MUX(SDMMC5_DAT0, OMAP_MUX_MODE0 \| OMAP_PIN_INPUT_PULLUP),
	308	OMAP4_MUX(SDMMC5_DAT1, OMAP_MUX_MODE0 \| OMAP_PIN_INPUT_PULLUP),
	309	OMAP4_MUX(SDMMC5_DAT2, OMAP_MUX_MODE0 \| OMAP_PIN_INPUT_PULLUP),
	310	OMAP4_MUX(SDMMC5_DAT3, OMAP_MUX_MODE0 \| OMAP_PIN_INPUT_PULLUP),
b295d6e5 MR	311	/* gpio 0 - TFP410 PD */
	312	OMAP4_MUX(KPD_COL1, OMAP_PIN_OUTPUT \| OMAP_MUX_MODE3),
	313	/* dispc2_data23 */
	314	OMAP4_MUX(USBB2_ULPITLL_STP, OMAP_PIN_OUTPUT \| OMAP_MUX_MODE5),
	315	/* dispc2_data22 */
	316	OMAP4_MUX(USBB2_ULPITLL_DIR, OMAP_PIN_OUTPUT \| OMAP_MUX_MODE5),
	317	/* dispc2_data21 */
	318	OMAP4_MUX(USBB2_ULPITLL_NXT, OMAP_PIN_OUTPUT \| OMAP_MUX_MODE5),
	319	/* dispc2_data20 */
	320	OMAP4_MUX(USBB2_ULPITLL_DAT0, OMAP_PIN_OUTPUT \| OMAP_MUX_MODE5),
	321	/* dispc2_data19 */
	322	OMAP4_MUX(USBB2_ULPITLL_DAT1, OMAP_PIN_OUTPUT \| OMAP_MUX_MODE5),
	323	/* dispc2_data18 */
	324	OMAP4_MUX(USBB2_ULPITLL_DAT2, OMAP_PIN_OUTPUT \| OMAP_MUX_MODE5),
	325	/* dispc2_data15 */
	326	OMAP4_MUX(USBB2_ULPITLL_DAT3, OMAP_PIN_OUTPUT \| OMAP_MUX_MODE5),
	327	/* dispc2_data14 */
	328	OMAP4_MUX(USBB2_ULPITLL_DAT4, OMAP_PIN_OUTPUT \| OMAP_MUX_MODE5),
	329	/* dispc2_data13 */
	330	OMAP4_MUX(USBB2_ULPITLL_DAT5, OMAP_PIN_OUTPUT \| OMAP_MUX_MODE5),
	331	/* dispc2_data12 */
	332	OMAP4_MUX(USBB2_ULPITLL_DAT6, OMAP_PIN_OUTPUT \| OMAP_MUX_MODE5),
	333	/* dispc2_data11 */
	334	OMAP4_MUX(USBB2_ULPITLL_DAT7, OMAP_PIN_OUTPUT \| OMAP_MUX_MODE5),
	335	/* dispc2_data10 */
	336	OMAP4_MUX(DPM_EMU3, OMAP_PIN_OUTPUT \| OMAP_MUX_MODE5),
	337	/* dispc2_data9 */
	338	OMAP4_MUX(DPM_EMU4, OMAP_PIN_OUTPUT \| OMAP_MUX_MODE5),
	339	/* dispc2_data16 */
	340	OMAP4_MUX(DPM_EMU5, OMAP_PIN_OUTPUT \| OMAP_MUX_MODE5),
	341	/* dispc2_data17 */
	342	OMAP4_MUX(DPM_EMU6, OMAP_PIN_OUTPUT \| OMAP_MUX_MODE5),
	343	/* dispc2_hsync */
	344	OMAP4_MUX(DPM_EMU7, OMAP_PIN_OUTPUT \| OMAP_MUX_MODE5),
	345	/* dispc2_pclk */
	346	OMAP4_MUX(DPM_EMU8, OMAP_PIN_OUTPUT \| OMAP_MUX_MODE5),
	347	/* dispc2_vsync */
	348	OMAP4_MUX(DPM_EMU9, OMAP_PIN_OUTPUT \| OMAP_MUX_MODE5),
	349	/* dispc2_de */
	350	OMAP4_MUX(DPM_EMU10, OMAP_PIN_OUTPUT \| OMAP_MUX_MODE5),
	351	/* dispc2_data8 */
	352	OMAP4_MUX(DPM_EMU11, OMAP_PIN_OUTPUT \| OMAP_MUX_MODE5),
	353	/* dispc2_data7 */
	354	OMAP4_MUX(DPM_EMU12, OMAP_PIN_OUTPUT \| OMAP_MUX_MODE5),
	355	/* dispc2_data6 */
	356	OMAP4_MUX(DPM_EMU13, OMAP_PIN_OUTPUT \| OMAP_MUX_MODE5),
	357	/* dispc2_data5 */
	358	OMAP4_MUX(DPM_EMU14, OMAP_PIN_OUTPUT \| OMAP_MUX_MODE5),
	359	/* dispc2_data4 */
	360	OMAP4_MUX(DPM_EMU15, OMAP_PIN_OUTPUT \| OMAP_MUX_MODE5),
	361	/* dispc2_data3 */
	362	OMAP4_MUX(DPM_EMU16, OMAP_PIN_OUTPUT \| OMAP_MUX_MODE5),
	363	/* dispc2_data2 */
	364	OMAP4_MUX(DPM_EMU17, OMAP_PIN_OUTPUT \| OMAP_MUX_MODE5),
	365	/* dispc2_data1 */
	366	OMAP4_MUX(DPM_EMU18, OMAP_PIN_OUTPUT \| OMAP_MUX_MODE5),
	367	/* dispc2_data0 */
	368	OMAP4_MUX(DPM_EMU19, OMAP_PIN_OUTPUT \| OMAP_MUX_MODE5),
fc63de82	369	{ .reg_offset = OMAP_MUX_TERMINATOR },
fc63de82	370	};
573efc2b S	371
	372	static struct omap_device_pad serial2_pads[] __initdata = {
	373	OMAP_MUX_STATIC("uart2_cts.uart2_cts",
	374	OMAP_PIN_INPUT_PULLUP \| OMAP_MUX_MODE0),
	375	OMAP_MUX_STATIC("uart2_rts.uart2_rts",
	376	OMAP_PIN_OUTPUT \| OMAP_MUX_MODE0),
	377	OMAP_MUX_STATIC("uart2_rx.uart2_rx",
	378	OMAP_PIN_INPUT_PULLUP \| OMAP_MUX_MODE0),
	379	OMAP_MUX_STATIC("uart2_tx.uart2_tx",
	380	OMAP_PIN_OUTPUT \| OMAP_MUX_MODE0),
	381	};
	382
	383	static struct omap_device_pad serial3_pads[] __initdata = {
	384	OMAP_MUX_STATIC("uart3_cts_rctx.uart3_cts_rctx",
	385	OMAP_PIN_INPUT_PULLUP \| OMAP_MUX_MODE0),
	386	OMAP_MUX_STATIC("uart3_rts_sd.uart3_rts_sd",
	387	OMAP_PIN_OUTPUT \| OMAP_MUX_MODE0),
	388	OMAP_MUX_STATIC("uart3_rx_irrx.uart3_rx_irrx",
	389	OMAP_PIN_INPUT \| OMAP_MUX_MODE0),
	390	OMAP_MUX_STATIC("uart3_tx_irtx.uart3_tx_irtx",
	391	OMAP_PIN_OUTPUT \| OMAP_MUX_MODE0),
	392	};
	393
	394	static struct omap_device_pad serial4_pads[] __initdata = {
	395	OMAP_MUX_STATIC("uart4_rx.uart4_rx",
	396	OMAP_PIN_INPUT \| OMAP_MUX_MODE0),
	397	OMAP_MUX_STATIC("uart4_tx.uart4_tx",
	398	OMAP_PIN_OUTPUT \| OMAP_MUX_MODE0),
	399	};
	400
89c4705e	401	static struct omap_board_data serial2_data __initdata = {
573efc2b S	402	.id = 1,
	403	.pads = serial2_pads,
	404	.pads_cnt = ARRAY_SIZE(serial2_pads),
	405	};
	406
89c4705e	407	static struct omap_board_data serial3_data __initdata = {
573efc2b S	408	.id = 2,
	409	.pads = serial3_pads,
	410	.pads_cnt = ARRAY_SIZE(serial3_pads),
	411	};
	412
89c4705e	413	static struct omap_board_data serial4_data __initdata = {
573efc2b S	414	.id = 3,
	415	.pads = serial4_pads,
	416	.pads_cnt = ARRAY_SIZE(serial4_pads),
	417	};
	418
	419	static inline void board_serial_init(void)
	420	{
	421	struct omap_board_data bdata;
	422	bdata.flags = 0;
	423	bdata.pads = NULL;
	424	bdata.pads_cnt = 0;
	425	bdata.id = 0;
	426	/* pass dummy data for UART1 */
	427	omap_serial_init_port(&bdata);
	428
	429	omap_serial_init_port(&serial2_data);
	430	omap_serial_init_port(&serial3_data);
	431	omap_serial_init_port(&serial4_data);
	432	}
fc63de82	433	#else
fc63de82	434	#define board_mux NULL
573efc2b S	435
	436	static inline void board_serial_init(void)
	437	{
	438	omap_serial_init();
	439	}
fc63de82	440	#endif
fc63de82	441
b295d6e5 MR	442	/* Display DVI */
	443	#define PANDA_DVI_TFP410_POWER_DOWN_GPIO 0
	444
	445	static int omap4_panda_enable_dvi(struct omap_dss_device *dssdev)
	446	{
	447	gpio_set_value(dssdev->reset_gpio, 1);
	448	return 0;
	449	}
	450
	451	static void omap4_panda_disable_dvi(struct omap_dss_device *dssdev)
	452	{
	453	gpio_set_value(dssdev->reset_gpio, 0);
	454	}
	455
	456	/* Using generic display panel */
	457	static struct panel_generic_dpi_data omap4_dvi_panel = {
	458	.name = "generic",
	459	.platform_enable = omap4_panda_enable_dvi,
	460	.platform_disable = omap4_panda_disable_dvi,
	461	};
	462
	463	struct omap_dss_device omap4_panda_dvi_device = {
	464	.type = OMAP_DISPLAY_TYPE_DPI,
	465	.name = "dvi",
	466	.driver_name = "generic_dpi_panel",
	467	.data = &omap4_dvi_panel,
	468	.phy.dpi.data_lines = 24,
	469	.reset_gpio = PANDA_DVI_TFP410_POWER_DOWN_GPIO,
	470	.channel = OMAP_DSS_CHANNEL_LCD2,
	471	};
	472
	473	int __init omap4_panda_dvi_init(void)
	474	{
	475	int r;
	476
	477	/* Requesting TFP410 DVI GPIO and disabling it, at bootup */
	478	r = gpio_request_one(omap4_panda_dvi_device.reset_gpio,
	479	GPIOF_OUT_INIT_LOW, "DVI PD");
	480	if (r)
	481	pr_err("Failed to get DVI powerdown GPIO\n");
	482
	483	return r;
	484	}
	485
	486
17c84ef1 M	487	static void omap4_panda_hdmi_mux_init(void)
	488	{
	489	/* PAD0_HDMI_HPD_PAD1_HDMI_CEC */
	490	omap_mux_init_signal("hdmi_hpd",
	491	OMAP_PIN_INPUT_PULLUP);
	492	omap_mux_init_signal("hdmi_cec",
	493	OMAP_PIN_INPUT_PULLUP);
	494	/* PAD0_HDMI_DDC_SCL_PAD1_HDMI_DDC_SDA */
	495	omap_mux_init_signal("hdmi_ddc_scl",
	496	OMAP_PIN_INPUT_PULLUP);
	497	omap_mux_init_signal("hdmi_ddc_sda",
	498	OMAP_PIN_INPUT_PULLUP);
	499	}
	500
bc593f5d IG	501	static struct gpio panda_hdmi_gpios[] = {
	502	{ HDMI_GPIO_HPD, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_hpd" },
	503	{ HDMI_GPIO_LS_OE, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ls_oe" },
	504	};
	505
17c84ef1 M	506	static int omap4_panda_panel_enable_hdmi(struct omap_dss_device *dssdev)
	507	{
	508	int status;
	509
bc593f5d IG	510	status = gpio_request_array(panda_hdmi_gpios,
	511	ARRAY_SIZE(panda_hdmi_gpios));
	512	if (status)
	513	pr_err("Cannot request HDMI GPIOs\n");
17c84ef1 M	514
	515	return status;
	516	}
	517
	518	static void omap4_panda_panel_disable_hdmi(struct omap_dss_device *dssdev)
	519	{
	520	gpio_free(HDMI_GPIO_LS_OE);
	521	gpio_free(HDMI_GPIO_HPD);
	522	}
	523
	524	static struct omap_dss_device omap4_panda_hdmi_device = {
	525	.name = "hdmi",
	526	.driver_name = "hdmi_panel",
	527	.type = OMAP_DISPLAY_TYPE_HDMI,
	528	.platform_enable = omap4_panda_panel_enable_hdmi,
	529	.platform_disable = omap4_panda_panel_disable_hdmi,
	530	.channel = OMAP_DSS_CHANNEL_DIGIT,
	531	};
	532
	533	static struct omap_dss_device *omap4_panda_dss_devices[] = {
b295d6e5	534	&omap4_panda_dvi_device,
17c84ef1 M	535	&omap4_panda_hdmi_device,
	536	};
	537
	538	static struct omap_dss_board_info omap4_panda_dss_data = {
	539	.num_devices = ARRAY_SIZE(omap4_panda_dss_devices),
	540	.devices = omap4_panda_dss_devices,
b295d6e5	541	.default_device = &omap4_panda_dvi_device,
17c84ef1 M	542	};
	543
	544	void omap4_panda_display_init(void)
	545	{
b295d6e5 MR	546	int r;
	547
	548	r = omap4_panda_dvi_init();
	549	if (r)
	550	pr_err("error initializing panda DVI\n");
	551
17c84ef1 M	552	omap4_panda_hdmi_mux_init();
	553	omap_display_init(&omap4_panda_dss_data);
	554	}
	555
b075f58b DA	556	static void __init omap4_panda_init(void)
b075f58b DA	557	{
fc63de82	558	int package = OMAP_PACKAGE_CBS;
	559
	560	if (omap_rev() == OMAP4430_REV_ES1_0)
	561	package = OMAP_PACKAGE_CBL;
21a42c92	562	omap4_mux_init(board_mux, NULL, package);
fc63de82	563
b17e0979 PM	564	if (wl12xx_set_platform_data(&omap_panda_wlan_data))
	565	pr_err("error setting wl12xx data\n");
	566
b075f58b	567	omap4_panda_i2c_init();
3da434ac	568	platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
edc84061	569	platform_device_register(&omap_vwlan_device);
573efc2b	570	board_serial_init();
a4ca9dbe	571	omap_sdrc_init(NULL, NULL);
b075f58b	572	omap4_twl6030_hsmmc_init(mmc);
4415beb6	573	omap4_ehci_init();
1ea7f352	574	usb_musb_init(&musb_board_data);
17c84ef1	575	omap4_panda_display_init();
b075f58b DA	576	}
	577
	578	static void __init omap4_panda_map_io(void)
	579	{
	580	omap2_set_globals_443x();
	581	omap44xx_map_common_io();
	582	}
	583
	584	MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
	585	/* Maintainer: David Anders - Texas Instruments Inc */
b075f58b	586	.boot_params = 0x80000100,
d920e520	587	.reserve = omap_reserve,
b075f58b	588	.map_io = omap4_panda_map_io,
3dc3bad6 RKAL	589	.init_early = omap4_panda_init_early,
3dc3bad6 RKAL	590	.init_irq = gic_init_irq,
b075f58b	591	.init_machine = omap4_panda_init,
e74984e4	592	.timer = &omap4_timer,
b075f58b	593	MACHINE_END