mirror of https://gitee.com/openkylin/linux.git
531 lines
14 KiB
C
531 lines
14 KiB
C
/*
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* Board support file for OMAP4430 based PandaBoard.
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*
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* Copyright (C) 2010 Texas Instruments
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*
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* Author: David Anders <x0132446@ti.com>
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*
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* Based on mach-omap2/board-4430sdp.c
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*
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* Author: Santosh Shilimkar <santosh.shilimkar@ti.com>
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*
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* Based on mach-omap2/board-3430sdp.c
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/clk.h>
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#include <linux/io.h>
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#include <linux/leds.h>
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#include <linux/gpio.h>
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#include <linux/usb/otg.h>
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#include <linux/i2c/twl.h>
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#include <linux/mfd/twl6040.h>
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#include <linux/regulator/machine.h>
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#include <linux/regulator/fixed.h>
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#include <linux/ti_wilink_st.h>
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#include <linux/wl12xx.h>
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#include <linux/platform_data/omap-abe-twl6040.h>
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#include <mach/hardware.h>
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#include <asm/hardware/gic.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <video/omapdss.h>
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#include <plat/board.h>
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#include "common.h"
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#include <plat/usb.h>
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#include <plat/mmc.h>
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#include <video/omap-panel-tfp410.h>
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#include "hsmmc.h"
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#include "control.h"
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#include "mux.h"
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#include "common-board-devices.h"
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#define GPIO_HUB_POWER 1
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#define GPIO_HUB_NRESET 62
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#define GPIO_WIFI_PMENA 43
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#define GPIO_WIFI_IRQ 53
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#define HDMI_GPIO_CT_CP_HPD 60 /* HPD mode enable/disable */
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#define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */
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#define HDMI_GPIO_HPD 63 /* Hotplug detect */
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/* wl127x BT, FM, GPS connectivity chip */
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static struct ti_st_plat_data wilink_platform_data = {
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.nshutdown_gpio = 46,
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.dev_name = "/dev/ttyO1",
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.flow_cntrl = 1,
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.baud_rate = 3000000,
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.chip_enable = NULL,
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.suspend = NULL,
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.resume = NULL,
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};
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static struct platform_device wl1271_device = {
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.name = "kim",
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.id = -1,
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.dev = {
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.platform_data = &wilink_platform_data,
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},
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};
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static struct gpio_led gpio_leds[] = {
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{
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.name = "pandaboard::status1",
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.default_trigger = "heartbeat",
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.gpio = 7,
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},
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{
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.name = "pandaboard::status2",
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.default_trigger = "mmc0",
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.gpio = 8,
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},
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};
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static struct gpio_led_platform_data gpio_led_info = {
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.leds = gpio_leds,
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.num_leds = ARRAY_SIZE(gpio_leds),
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};
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static struct platform_device leds_gpio = {
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.name = "leds-gpio",
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.id = -1,
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.dev = {
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.platform_data = &gpio_led_info,
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},
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};
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static struct omap_abe_twl6040_data panda_abe_audio_data = {
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/* Audio out */
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.has_hs = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
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/* HandsFree through expansion connector */
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.has_hf = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
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/* PandaBoard: FM TX, PandaBoardES: can be connected to audio out */
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.has_aux = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
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/* PandaBoard: FM RX, PandaBoardES: audio in */
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.has_afm = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
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/* No jack detection. */
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.jack_detection = 0,
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/* MCLK input is 38.4MHz */
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.mclk_freq = 38400000,
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};
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static struct platform_device panda_abe_audio = {
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.name = "omap-abe-twl6040",
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.id = -1,
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.dev = {
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.platform_data = &panda_abe_audio_data,
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},
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};
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static struct platform_device panda_hdmi_audio_codec = {
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.name = "hdmi-audio-codec",
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.id = -1,
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};
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static struct platform_device btwilink_device = {
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.name = "btwilink",
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.id = -1,
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};
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static struct platform_device *panda_devices[] __initdata = {
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&leds_gpio,
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&wl1271_device,
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&panda_abe_audio,
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&panda_hdmi_audio_codec,
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&btwilink_device,
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};
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static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
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.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
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.port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
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.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
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.phy_reset = false,
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.reset_gpio_port[0] = -EINVAL,
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.reset_gpio_port[1] = -EINVAL,
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.reset_gpio_port[2] = -EINVAL
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};
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static struct gpio panda_ehci_gpios[] __initdata = {
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{ GPIO_HUB_POWER, GPIOF_OUT_INIT_LOW, "hub_power" },
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{ GPIO_HUB_NRESET, GPIOF_OUT_INIT_LOW, "hub_nreset" },
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};
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static void __init omap4_ehci_init(void)
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{
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int ret;
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struct clk *phy_ref_clk;
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/* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
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phy_ref_clk = clk_get(NULL, "auxclk3_ck");
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if (IS_ERR(phy_ref_clk)) {
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pr_err("Cannot request auxclk3\n");
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return;
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}
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clk_set_rate(phy_ref_clk, 19200000);
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clk_enable(phy_ref_clk);
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/* disable the power to the usb hub prior to init and reset phy+hub */
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ret = gpio_request_array(panda_ehci_gpios,
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ARRAY_SIZE(panda_ehci_gpios));
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if (ret) {
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pr_err("Unable to initialize EHCI power/reset\n");
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return;
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}
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gpio_export(GPIO_HUB_POWER, 0);
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gpio_export(GPIO_HUB_NRESET, 0);
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gpio_set_value(GPIO_HUB_NRESET, 1);
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usbhs_init(&usbhs_bdata);
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/* enable power to hub */
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gpio_set_value(GPIO_HUB_POWER, 1);
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}
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static struct omap_musb_board_data musb_board_data = {
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.interface_type = MUSB_INTERFACE_UTMI,
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.mode = MUSB_OTG,
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.power = 100,
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};
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static struct omap2_hsmmc_info mmc[] = {
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{
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.mmc = 1,
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.caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
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.gpio_wp = -EINVAL,
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.gpio_cd = -EINVAL,
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},
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{
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.name = "wl1271",
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.mmc = 5,
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.caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
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.gpio_wp = -EINVAL,
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.gpio_cd = -EINVAL,
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.ocr_mask = MMC_VDD_165_195,
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.nonremovable = true,
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},
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{} /* Terminator */
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};
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static struct regulator_consumer_supply omap4_panda_vmmc5_supply[] = {
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REGULATOR_SUPPLY("vmmc", "omap_hsmmc.4"),
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};
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static struct regulator_init_data panda_vmmc5 = {
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.constraints = {
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.valid_ops_mask = REGULATOR_CHANGE_STATUS,
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},
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.num_consumer_supplies = ARRAY_SIZE(omap4_panda_vmmc5_supply),
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.consumer_supplies = omap4_panda_vmmc5_supply,
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};
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static struct fixed_voltage_config panda_vwlan = {
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.supply_name = "vwl1271",
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.microvolts = 1800000, /* 1.8V */
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.gpio = GPIO_WIFI_PMENA,
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.startup_delay = 70000, /* 70msec */
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.enable_high = 1,
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.enabled_at_boot = 0,
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.init_data = &panda_vmmc5,
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};
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static struct platform_device omap_vwlan_device = {
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.name = "reg-fixed-voltage",
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.id = 1,
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.dev = {
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.platform_data = &panda_vwlan,
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},
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};
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static struct wl12xx_platform_data omap_panda_wlan_data __initdata = {
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/* PANDA ref clock is 38.4 MHz */
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.board_ref_clock = 2,
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};
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static struct twl6040_codec_data twl6040_codec = {
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/* single-step ramp for headset and handsfree */
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.hs_left_step = 0x0f,
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.hs_right_step = 0x0f,
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.hf_left_step = 0x1d,
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.hf_right_step = 0x1d,
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};
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static struct twl6040_platform_data twl6040_data = {
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.codec = &twl6040_codec,
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.audpwron_gpio = 127,
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.irq_base = TWL6040_CODEC_IRQ_BASE,
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};
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/* Panda board uses the common PMIC configuration */
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static struct twl4030_platform_data omap4_panda_twldata;
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/*
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* Display monitor features are burnt in their EEPROM as EDID data. The EEPROM
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* is connected as I2C slave device, and can be accessed at address 0x50
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*/
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static struct i2c_board_info __initdata panda_i2c_eeprom[] = {
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{
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I2C_BOARD_INFO("eeprom", 0x50),
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},
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};
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static int __init omap4_panda_i2c_init(void)
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{
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omap4_pmic_get_config(&omap4_panda_twldata, TWL_COMMON_PDATA_USB,
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TWL_COMMON_REGULATOR_VDAC |
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TWL_COMMON_REGULATOR_VAUX2 |
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TWL_COMMON_REGULATOR_VAUX3 |
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TWL_COMMON_REGULATOR_VMMC |
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TWL_COMMON_REGULATOR_VPP |
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TWL_COMMON_REGULATOR_VANA |
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TWL_COMMON_REGULATOR_VCXIO |
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TWL_COMMON_REGULATOR_VUSB |
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TWL_COMMON_REGULATOR_CLK32KG |
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TWL_COMMON_REGULATOR_V1V8 |
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TWL_COMMON_REGULATOR_V2V1);
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omap4_pmic_init("twl6030", &omap4_panda_twldata,
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&twl6040_data, OMAP44XX_IRQ_SYS_2N);
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omap_register_i2c_bus(2, 400, NULL, 0);
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/*
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* Bus 3 is attached to the DVI port where devices like the pico DLP
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* projector don't work reliably with 400kHz
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*/
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omap_register_i2c_bus(3, 100, panda_i2c_eeprom,
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ARRAY_SIZE(panda_i2c_eeprom));
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omap_register_i2c_bus(4, 400, NULL, 0);
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return 0;
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}
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#ifdef CONFIG_OMAP_MUX
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static struct omap_board_mux board_mux[] __initdata = {
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/* WLAN IRQ - GPIO 53 */
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OMAP4_MUX(GPMC_NCS3, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
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/* WLAN POWER ENABLE - GPIO 43 */
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OMAP4_MUX(GPMC_A19, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
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/* WLAN SDIO: MMC5 CMD */
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OMAP4_MUX(SDMMC5_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
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/* WLAN SDIO: MMC5 CLK */
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OMAP4_MUX(SDMMC5_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
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/* WLAN SDIO: MMC5 DAT[0-3] */
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OMAP4_MUX(SDMMC5_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
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OMAP4_MUX(SDMMC5_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
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OMAP4_MUX(SDMMC5_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
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OMAP4_MUX(SDMMC5_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
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/* gpio 0 - TFP410 PD */
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OMAP4_MUX(KPD_COL1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE3),
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/* dispc2_data23 */
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OMAP4_MUX(USBB2_ULPITLL_STP, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
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/* dispc2_data22 */
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OMAP4_MUX(USBB2_ULPITLL_DIR, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
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/* dispc2_data21 */
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OMAP4_MUX(USBB2_ULPITLL_NXT, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
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/* dispc2_data20 */
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OMAP4_MUX(USBB2_ULPITLL_DAT0, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
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/* dispc2_data19 */
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OMAP4_MUX(USBB2_ULPITLL_DAT1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
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/* dispc2_data18 */
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OMAP4_MUX(USBB2_ULPITLL_DAT2, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
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/* dispc2_data15 */
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OMAP4_MUX(USBB2_ULPITLL_DAT3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
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/* dispc2_data14 */
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OMAP4_MUX(USBB2_ULPITLL_DAT4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
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/* dispc2_data13 */
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OMAP4_MUX(USBB2_ULPITLL_DAT5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
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/* dispc2_data12 */
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OMAP4_MUX(USBB2_ULPITLL_DAT6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
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/* dispc2_data11 */
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OMAP4_MUX(USBB2_ULPITLL_DAT7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
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/* dispc2_data10 */
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OMAP4_MUX(DPM_EMU3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
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/* dispc2_data9 */
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OMAP4_MUX(DPM_EMU4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
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/* dispc2_data16 */
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OMAP4_MUX(DPM_EMU5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
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/* dispc2_data17 */
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OMAP4_MUX(DPM_EMU6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
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/* dispc2_hsync */
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OMAP4_MUX(DPM_EMU7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
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/* dispc2_pclk */
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OMAP4_MUX(DPM_EMU8, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
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/* dispc2_vsync */
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OMAP4_MUX(DPM_EMU9, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
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/* dispc2_de */
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OMAP4_MUX(DPM_EMU10, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
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/* dispc2_data8 */
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OMAP4_MUX(DPM_EMU11, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
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/* dispc2_data7 */
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OMAP4_MUX(DPM_EMU12, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
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/* dispc2_data6 */
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OMAP4_MUX(DPM_EMU13, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
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/* dispc2_data5 */
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OMAP4_MUX(DPM_EMU14, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
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/* dispc2_data4 */
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OMAP4_MUX(DPM_EMU15, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
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/* dispc2_data3 */
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OMAP4_MUX(DPM_EMU16, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
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/* dispc2_data2 */
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OMAP4_MUX(DPM_EMU17, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
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/* dispc2_data1 */
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OMAP4_MUX(DPM_EMU18, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
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/* dispc2_data0 */
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OMAP4_MUX(DPM_EMU19, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
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/* NIRQ2 for twl6040 */
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OMAP4_MUX(SYS_NIRQ2, OMAP_MUX_MODE0 |
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OMAP_PIN_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
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{ .reg_offset = OMAP_MUX_TERMINATOR },
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};
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#else
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#define board_mux NULL
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#endif
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/* Display DVI */
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#define PANDA_DVI_TFP410_POWER_DOWN_GPIO 0
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/* Using generic display panel */
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static struct tfp410_platform_data omap4_dvi_panel = {
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.i2c_bus_num = 3,
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.power_down_gpio = PANDA_DVI_TFP410_POWER_DOWN_GPIO,
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};
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static struct omap_dss_device omap4_panda_dvi_device = {
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.type = OMAP_DISPLAY_TYPE_DPI,
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.name = "dvi",
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.driver_name = "tfp410",
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.data = &omap4_dvi_panel,
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.phy.dpi.data_lines = 24,
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.reset_gpio = PANDA_DVI_TFP410_POWER_DOWN_GPIO,
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.channel = OMAP_DSS_CHANNEL_LCD2,
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};
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static struct gpio panda_hdmi_gpios[] = {
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{ HDMI_GPIO_CT_CP_HPD, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ct_cp_hpd" },
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{ HDMI_GPIO_LS_OE, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ls_oe" },
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{ HDMI_GPIO_HPD, GPIOF_DIR_IN, "hdmi_gpio_hpd" },
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};
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static int omap4_panda_panel_enable_hdmi(struct omap_dss_device *dssdev)
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{
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int status;
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status = gpio_request_array(panda_hdmi_gpios,
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ARRAY_SIZE(panda_hdmi_gpios));
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if (status)
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pr_err("Cannot request HDMI GPIOs\n");
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|
|
return status;
|
|
}
|
|
|
|
static void omap4_panda_panel_disable_hdmi(struct omap_dss_device *dssdev)
|
|
{
|
|
gpio_free_array(panda_hdmi_gpios, ARRAY_SIZE(panda_hdmi_gpios));
|
|
}
|
|
|
|
static struct omap_dss_hdmi_data omap4_panda_hdmi_data = {
|
|
.hpd_gpio = 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,
|
|
.data = &omap4_panda_hdmi_data,
|
|
};
|
|
|
|
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,
|
|
};
|
|
|
|
static void __init omap4_panda_display_init(void)
|
|
{
|
|
|
|
omap_display_init(&omap4_panda_dss_data);
|
|
|
|
/*
|
|
* OMAP4460SDP/Blaze and OMAP4430 ES2.3 SDP/Blaze boards and
|
|
* later have external pull up on the HDMI I2C lines
|
|
*/
|
|
if (cpu_is_omap446x() || omap_rev() > OMAP4430_REV_ES2_2)
|
|
omap_hdmi_init(OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP);
|
|
else
|
|
omap_hdmi_init(0);
|
|
|
|
omap_mux_init_gpio(HDMI_GPIO_LS_OE, OMAP_PIN_OUTPUT);
|
|
omap_mux_init_gpio(HDMI_GPIO_CT_CP_HPD, OMAP_PIN_OUTPUT);
|
|
omap_mux_init_gpio(HDMI_GPIO_HPD, OMAP_PIN_INPUT_PULLDOWN);
|
|
}
|
|
|
|
static void omap4_panda_init_rev(void)
|
|
{
|
|
if (cpu_is_omap443x()) {
|
|
/* PandaBoard 4430 */
|
|
/* ASoC audio configuration */
|
|
panda_abe_audio_data.card_name = "PandaBoard";
|
|
panda_abe_audio_data.has_hsmic = 1;
|
|
} else {
|
|
/* PandaBoard ES */
|
|
/* ASoC audio configuration */
|
|
panda_abe_audio_data.card_name = "PandaBoardES";
|
|
}
|
|
}
|
|
|
|
static void __init omap4_panda_init(void)
|
|
{
|
|
int package = OMAP_PACKAGE_CBS;
|
|
int ret;
|
|
|
|
if (omap_rev() == OMAP4430_REV_ES1_0)
|
|
package = OMAP_PACKAGE_CBL;
|
|
omap4_mux_init(board_mux, NULL, package);
|
|
|
|
omap_panda_wlan_data.irq = gpio_to_irq(GPIO_WIFI_IRQ);
|
|
ret = wl12xx_set_platform_data(&omap_panda_wlan_data);
|
|
if (ret)
|
|
pr_err("error setting wl12xx data: %d\n", ret);
|
|
|
|
omap4_panda_init_rev();
|
|
omap4_panda_i2c_init();
|
|
platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
|
|
platform_device_register(&omap_vwlan_device);
|
|
omap_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();
|
|
}
|
|
|
|
MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
|
|
/* Maintainer: David Anders - Texas Instruments Inc */
|
|
.atag_offset = 0x100,
|
|
.reserve = omap_reserve,
|
|
.map_io = omap4_map_io,
|
|
.init_early = omap4430_init_early,
|
|
.init_irq = gic_init_irq,
|
|
.handle_irq = gic_handle_irq,
|
|
.init_machine = omap4_panda_init,
|
|
.init_late = omap4430_init_late,
|
|
.timer = &omap4_timer,
|
|
.restart = omap_prcm_restart,
|
|
MACHINE_END
|