6e7f7cfce2
These changes contain the OMAP USB related platform data changes
that were dropped from linux next because of the merge conflicts
as requested by me and Olof. The reason was that at this point
we really should be able to do the arch/arm related changes
separately from driver changes to avoid dependencies between
branches.
These patches were initially part of the USB related MFD patches.
Based on our comments, Roger Quadros quickly reworked these
patches into a shared branch between ARM SoC tree and the MFD
tree, then separate patches for the OMAP platform data and
MFD driver.
Note that this branch will conflict with c1d1cd597f
("ARM: OMAP2+: omap_device: remove obsolete pm_lats and
early_device code"). Please see http://lkml.org/lkml/2013/2/11/16
for the merge resolution.
[arnd - resolved the merge conflict]
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
467 lines
13 KiB
C
467 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/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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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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.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_prepare_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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.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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|
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{ .reg_offset = OMAP_MUX_TERMINATOR },
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};
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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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|
|
|
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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 */
|
|
/* ASoC audio configuration */
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panda_abe_audio_data.card_name = "PandaBoardES";
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|
}
|
|
}
|
|
|
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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;
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omap4_mux_init(board_mux, NULL, package);
|
|
|
|
omap_panda_wlan_data.irq = gpio_to_irq(GPIO_WIFI_IRQ);
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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,
|
|
.smp = smp_ops(omap4_smp_ops),
|
|
.reserve = omap_reserve,
|
|
.map_io = omap4_map_io,
|
|
.init_early = omap4430_init_early,
|
|
.init_irq = gic_init_irq,
|
|
.init_machine = omap4_panda_init,
|
|
.init_late = omap4430_init_late,
|
|
.init_time = omap4_local_timer_init,
|
|
.restart = omap44xx_restart,
|
|
MACHINE_END
|