mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-30 13:26:41 +07:00
506 lines
12 KiB
C
506 lines
12 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/regulator/machine.h>
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#include <linux/regulator/fixed.h>
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#include <linux/wl12xx.h>
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#include <mach/hardware.h>
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#include <mach/omap4-common.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 <plat/board.h>
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#include <plat/common.h>
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#include <plat/usb.h>
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#include <plat/mmc.h>
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#include "timer-gp.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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#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 int wl1271_gpios[] = {46, -1, -1};
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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 = &wl1271_gpios,
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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 platform_device *panda_devices[] __initdata = {
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&leds_gpio,
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&wl1271_device,
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};
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static void __init omap4_panda_init_early(void)
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{
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omap2_init_common_infrastructure();
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omap2_init_common_devices(NULL, NULL);
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}
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static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
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.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
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.port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
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.port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
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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 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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goto error1;
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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 */
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ret = gpio_request(GPIO_HUB_POWER, "hub_power");
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if (ret) {
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pr_err("Cannot request GPIO %d\n", GPIO_HUB_POWER);
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goto error1;
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}
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gpio_export(GPIO_HUB_POWER, 0);
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gpio_direction_output(GPIO_HUB_POWER, 0);
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gpio_set_value(GPIO_HUB_POWER, 0);
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/* reset phy+hub */
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ret = gpio_request(GPIO_HUB_NRESET, "hub_nreset");
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if (ret) {
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pr_err("Cannot request GPIO %d\n", GPIO_HUB_NRESET);
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goto error2;
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}
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gpio_export(GPIO_HUB_NRESET, 0);
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gpio_direction_output(GPIO_HUB_NRESET, 0);
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gpio_set_value(GPIO_HUB_NRESET, 0);
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gpio_set_value(GPIO_HUB_NRESET, 1);
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usb_ehci_init(&ehci_pdata);
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/* enable power to hub */
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gpio_set_value(GPIO_HUB_POWER, 1);
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return;
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error2:
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gpio_free(GPIO_HUB_POWER);
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error1:
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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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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 twl4030_usb_data omap4_usbphy_data = {
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.phy_init = omap4430_phy_init,
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.phy_exit = omap4430_phy_exit,
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.phy_power = omap4430_phy_power,
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.phy_set_clock = omap4430_phy_set_clk,
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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_vmmc_supply[] = {
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{
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.supply = "vmmc",
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.dev_name = "omap_hsmmc.0",
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},
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};
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static struct regulator_consumer_supply omap4_panda_vmmc5_supply = {
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.supply = "vmmc",
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.dev_name = "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 = 1,
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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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struct wl12xx_platform_data omap_panda_wlan_data __initdata = {
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.irq = OMAP_GPIO_IRQ(GPIO_WIFI_IRQ),
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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 int omap4_twl6030_hsmmc_late_init(struct device *dev)
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{
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int ret = 0;
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struct platform_device *pdev = container_of(dev,
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struct platform_device, dev);
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struct omap_mmc_platform_data *pdata = dev->platform_data;
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if (!pdata) {
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dev_err(dev, "%s: NULL platform data\n", __func__);
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return -EINVAL;
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}
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/* Setting MMC1 Card detect Irq */
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if (pdev->id == 0) {
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ret = twl6030_mmc_card_detect_config();
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if (ret)
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dev_err(dev, "%s: Error card detect config(%d)\n",
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__func__, ret);
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else
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pdata->slots[0].card_detect = twl6030_mmc_card_detect;
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}
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return ret;
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}
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static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
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{
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struct omap_mmc_platform_data *pdata;
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/* dev can be null if CONFIG_MMC_OMAP_HS is not set */
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if (!dev) {
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pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n");
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return;
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}
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pdata = dev->platform_data;
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pdata->init = omap4_twl6030_hsmmc_late_init;
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}
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static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
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{
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struct omap2_hsmmc_info *c;
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omap2_hsmmc_init(controllers);
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for (c = controllers; c->mmc; c++)
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omap4_twl6030_hsmmc_set_late_init(c->dev);
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return 0;
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}
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static struct regulator_init_data omap4_panda_vaux1 = {
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.constraints = {
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.min_uV = 1000000,
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.max_uV = 3000000,
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.apply_uV = true,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
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| REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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};
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static struct regulator_init_data omap4_panda_vaux2 = {
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.constraints = {
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.min_uV = 1200000,
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.max_uV = 2800000,
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.apply_uV = true,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
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| REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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};
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static struct regulator_init_data omap4_panda_vaux3 = {
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.constraints = {
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.min_uV = 1000000,
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.max_uV = 3000000,
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.apply_uV = true,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
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| REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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};
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/* VMMC1 for MMC1 card */
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static struct regulator_init_data omap4_panda_vmmc = {
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.constraints = {
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.min_uV = 1200000,
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.max_uV = 3000000,
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.apply_uV = true,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
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| REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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.num_consumer_supplies = 1,
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.consumer_supplies = omap4_panda_vmmc_supply,
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};
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static struct regulator_init_data omap4_panda_vpp = {
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.constraints = {
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.min_uV = 1800000,
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.max_uV = 2500000,
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.apply_uV = true,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
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| REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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};
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static struct regulator_init_data omap4_panda_vusim = {
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.constraints = {
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.min_uV = 1200000,
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.max_uV = 2900000,
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.apply_uV = true,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
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| REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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};
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static struct regulator_init_data omap4_panda_vana = {
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.constraints = {
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.min_uV = 2100000,
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.max_uV = 2100000,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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};
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static struct regulator_init_data omap4_panda_vcxio = {
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.constraints = {
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.min_uV = 1800000,
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.max_uV = 1800000,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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};
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static struct regulator_init_data omap4_panda_vdac = {
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.constraints = {
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.min_uV = 1800000,
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.max_uV = 1800000,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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};
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static struct regulator_init_data omap4_panda_vusb = {
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.constraints = {
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.min_uV = 3300000,
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.max_uV = 3300000,
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.apply_uV = true,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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};
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static struct twl4030_platform_data omap4_panda_twldata = {
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.irq_base = TWL6030_IRQ_BASE,
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.irq_end = TWL6030_IRQ_END,
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/* Regulators */
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.vmmc = &omap4_panda_vmmc,
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.vpp = &omap4_panda_vpp,
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.vusim = &omap4_panda_vusim,
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.vana = &omap4_panda_vana,
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.vcxio = &omap4_panda_vcxio,
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.vdac = &omap4_panda_vdac,
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.vusb = &omap4_panda_vusb,
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.vaux1 = &omap4_panda_vaux1,
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.vaux2 = &omap4_panda_vaux2,
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.vaux3 = &omap4_panda_vaux3,
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.usb = &omap4_usbphy_data,
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};
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static struct i2c_board_info __initdata omap4_panda_i2c_boardinfo[] = {
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{
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I2C_BOARD_INFO("twl6030", 0x48),
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.flags = I2C_CLIENT_WAKE,
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.irq = OMAP44XX_IRQ_SYS_1N,
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.platform_data = &omap4_panda_twldata,
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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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/*
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* Phoenix Audio IC needs I2C1 to
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* start with 400 KHz or less
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*/
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omap_register_i2c_bus(1, 400, omap4_panda_i2c_boardinfo,
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ARRAY_SIZE(omap4_panda_i2c_boardinfo));
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omap_register_i2c_bus(2, 400, NULL, 0);
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omap_register_i2c_bus(3, 400, NULL, 0);
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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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{ .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 __init omap4_panda_init(void)
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{
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int package = OMAP_PACKAGE_CBS;
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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, package);
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if (wl12xx_set_platform_data(&omap_panda_wlan_data))
|
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pr_err("error setting wl12xx data\n");
|
|
|
|
omap4_panda_i2c_init();
|
|
platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
|
|
platform_device_register(&omap_vwlan_device);
|
|
omap_serial_init();
|
|
omap4_twl6030_hsmmc_init(mmc);
|
|
omap4_ehci_init();
|
|
usb_musb_init(&musb_board_data);
|
|
}
|
|
|
|
static void __init omap4_panda_map_io(void)
|
|
{
|
|
omap2_set_globals_443x();
|
|
omap44xx_map_common_io();
|
|
}
|
|
|
|
MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
|
|
/* Maintainer: David Anders - Texas Instruments Inc */
|
|
.boot_params = 0x80000100,
|
|
.reserve = omap_reserve,
|
|
.map_io = omap4_panda_map_io,
|
|
.init_early = omap4_panda_init_early,
|
|
.init_irq = gic_init_irq,
|
|
.init_machine = omap4_panda_init,
|
|
.timer = &omap_timer,
|
|
MACHINE_END
|