456 lines
13 KiB
C
456 lines
13 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/usb/musb.h>
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#include <linux/usb/phy.h>
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#include <linux/usb/nop-usb-xceiv.h>
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#include <linux/wl12xx.h>
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#include <linux/irqchip/arm-gic.h>
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#include <linux/platform_data/omap-abe-twl6040.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 "common.h"
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#include "soc.h"
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#include "mmc.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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#include "dss-common.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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/* 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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/* PHY device on HS USB Port 1 i.e. nop_usb_xceiv.1 */
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static struct nop_usb_xceiv_platform_data hsusb1_phy_data = {
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/* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
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.clk_rate = 19200000,
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};
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static struct usbhs_phy_data phy_data[] __initdata = {
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{
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.port = 1,
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.reset_gpio = GPIO_HUB_NRESET,
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.vcc_gpio = GPIO_HUB_POWER,
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.vcc_polarity = 1,
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.platform_data = &hsusb1_phy_data,
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},
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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 struct usbhs_omap_platform_data usbhs_bdata __initdata = {
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.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
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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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/* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
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ret = clk_add_alias("main_clk", "nop_usb_xceiv.1", "auxclk3_ck", NULL);
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if (ret)
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pr_err("Failed to add main_clk alias to auxclk3_ck\n");
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usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
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usbhs_init(&usbhs_bdata);
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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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.board_ref_clock = WL12XX_REFCLOCK_38, /* 38.4 MHz */
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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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};
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static struct i2c_board_info __initdata panda_i2c_1_boardinfo[] = {
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{
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I2C_BOARD_INFO("twl6040", 0x4b),
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.irq = 119 + OMAP44XX_IRQ_GIC_START,
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.platform_data = &twl6040_data,
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},
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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, panda_i2c_1_boardinfo,
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ARRAY_SIZE(panda_i2c_1_boardinfo));
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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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/* GPIO_127 for twl6040 */
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OMAP4_MUX(HDQ_SIO, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
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/* McPDM */
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OMAP4_MUX(ABE_PDM_UL_DATA, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
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OMAP4_MUX(ABE_PDM_DL_DATA, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
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OMAP4_MUX(ABE_PDM_FRAME, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
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OMAP4_MUX(ABE_PDM_LB_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
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OMAP4_MUX(ABE_CLKS, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
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/* McBSP1 */
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OMAP4_MUX(ABE_MCBSP1_CLKX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
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OMAP4_MUX(ABE_MCBSP1_DR, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
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OMAP4_MUX(ABE_MCBSP1_DX, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT |
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OMAP_PULL_ENA),
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OMAP4_MUX(ABE_MCBSP1_FSX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
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/* UART2 - BT/FM/GPS shared transport */
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OMAP4_MUX(UART2_CTS, OMAP_PIN_INPUT | OMAP_MUX_MODE0),
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OMAP4_MUX(UART2_RTS, OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
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OMAP4_MUX(UART2_RX, OMAP_PIN_INPUT | OMAP_MUX_MODE0),
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OMAP4_MUX(UART2_TX, OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
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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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static void omap4_panda_init_rev(void)
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{
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if (cpu_is_omap443x()) {
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/* PandaBoard 4430 */
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/* ASoC audio configuration */
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panda_abe_audio_data.card_name = "PandaBoard";
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panda_abe_audio_data.has_hsmic = 1;
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} else {
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/* PandaBoard ES */
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/* ASoC audio configuration */
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panda_abe_audio_data.card_name = "PandaBoardES";
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}
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}
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static void __init omap4_panda_init(void)
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{
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int package = OMAP_PACKAGE_CBS;
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int ret;
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if (omap_rev() == OMAP4430_REV_ES1_0)
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package = OMAP_PACKAGE_CBL;
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omap4_mux_init(board_mux, NULL, package);
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omap_panda_wlan_data.irq = gpio_to_irq(GPIO_WIFI_IRQ);
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ret = wl12xx_set_platform_data(&omap_panda_wlan_data);
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if (ret)
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pr_err("error setting wl12xx data: %d\n", ret);
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omap4_panda_init_rev();
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omap4_panda_i2c_init();
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platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
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platform_device_register(&omap_vwlan_device);
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omap_serial_init();
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omap_sdrc_init(NULL, NULL);
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omap4_twl6030_hsmmc_init(mmc);
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omap4_ehci_init();
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usb_bind_phy("musb-hdrc.2.auto", 0, "omap-usb2.3.auto");
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usb_musb_init(&musb_board_data);
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omap4_panda_display_init();
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}
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MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
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/* Maintainer: David Anders - Texas Instruments Inc */
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.atag_offset = 0x100,
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.smp = smp_ops(omap4_smp_ops),
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.reserve = omap_reserve,
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.map_io = omap4_map_io,
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.init_early = omap4430_init_early,
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.init_irq = gic_init_irq,
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.init_machine = omap4_panda_init,
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.init_late = omap4430_init_late,
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.init_time = omap4_local_timer_init,
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.restart = omap44xx_restart,
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MACHINE_END
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