| /* |
| * Board support file for OMAP4430 based PandaBoard. |
| * |
| * Copyright (C) 2010 Texas Instruments |
| * |
| * Author: David Anders <x0132446@ti.com> |
| * |
| * Based on mach-omap2/board-4430sdp.c |
| * |
| * Author: Santosh Shilimkar <santosh.shilimkar@ti.com> |
| * |
| * Based on mach-omap2/board-3430sdp.c |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| |
| #include <linux/kernel.h> |
| #include <linux/init.h> |
| #include <linux/platform_device.h> |
| #include <linux/clk.h> |
| #include <linux/io.h> |
| #include <linux/leds.h> |
| #include <linux/gpio.h> |
| #include <linux/usb/otg.h> |
| #include <linux/i2c/twl.h> |
| #include <linux/regulator/machine.h> |
| #include <linux/regulator/fixed.h> |
| #include <linux/wl12xx.h> |
| |
| #include <mach/hardware.h> |
| #include <mach/omap4-common.h> |
| #include <asm/mach-types.h> |
| #include <asm/mach/arch.h> |
| #include <asm/mach/map.h> |
| |
| #include <plat/board.h> |
| #include <plat/common.h> |
| #include <plat/usb.h> |
| #include <plat/mmc.h> |
| #include "timer-gp.h" |
| |
| #include "hsmmc.h" |
| #include "control.h" |
| #include "mux.h" |
| |
| #define GPIO_HUB_POWER 1 |
| #define GPIO_HUB_NRESET 62 |
| #define GPIO_WIFI_PMENA 43 |
| #define GPIO_WIFI_IRQ 53 |
| |
| /* wl127x BT, FM, GPS connectivity chip */ |
| static int wl1271_gpios[] = {46, -1, -1}; |
| static struct platform_device wl1271_device = { |
| .name = "kim", |
| .id = -1, |
| .dev = { |
| .platform_data = &wl1271_gpios, |
| }, |
| }; |
| |
| static struct gpio_led gpio_leds[] = { |
| { |
| .name = "pandaboard::status1", |
| .default_trigger = "heartbeat", |
| .gpio = 7, |
| }, |
| { |
| .name = "pandaboard::status2", |
| .default_trigger = "mmc0", |
| .gpio = 8, |
| }, |
| }; |
| |
| static struct gpio_led_platform_data gpio_led_info = { |
| .leds = gpio_leds, |
| .num_leds = ARRAY_SIZE(gpio_leds), |
| }; |
| |
| static struct platform_device leds_gpio = { |
| .name = "leds-gpio", |
| .id = -1, |
| .dev = { |
| .platform_data = &gpio_led_info, |
| }, |
| }; |
| |
| static struct platform_device *panda_devices[] __initdata = { |
| &leds_gpio, |
| &wl1271_device, |
| }; |
| |
| static void __init omap4_panda_init_early(void) |
| { |
| omap2_init_common_infrastructure(); |
| omap2_init_common_devices(NULL, NULL); |
| } |
| |
| static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { |
| .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, |
| .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN, |
| .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, |
| .phy_reset = false, |
| .reset_gpio_port[0] = -EINVAL, |
| .reset_gpio_port[1] = -EINVAL, |
| .reset_gpio_port[2] = -EINVAL |
| }; |
| |
| static void __init omap4_ehci_init(void) |
| { |
| int ret; |
| struct clk *phy_ref_clk; |
| |
| /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */ |
| phy_ref_clk = clk_get(NULL, "auxclk3_ck"); |
| if (IS_ERR(phy_ref_clk)) { |
| pr_err("Cannot request auxclk3\n"); |
| goto error1; |
| } |
| clk_set_rate(phy_ref_clk, 19200000); |
| clk_enable(phy_ref_clk); |
| |
| /* disable the power to the usb hub prior to init */ |
| ret = gpio_request(GPIO_HUB_POWER, "hub_power"); |
| if (ret) { |
| pr_err("Cannot request GPIO %d\n", GPIO_HUB_POWER); |
| goto error1; |
| } |
| gpio_export(GPIO_HUB_POWER, 0); |
| gpio_direction_output(GPIO_HUB_POWER, 0); |
| gpio_set_value(GPIO_HUB_POWER, 0); |
| |
| /* reset phy+hub */ |
| ret = gpio_request(GPIO_HUB_NRESET, "hub_nreset"); |
| if (ret) { |
| pr_err("Cannot request GPIO %d\n", GPIO_HUB_NRESET); |
| goto error2; |
| } |
| gpio_export(GPIO_HUB_NRESET, 0); |
| gpio_direction_output(GPIO_HUB_NRESET, 0); |
| gpio_set_value(GPIO_HUB_NRESET, 0); |
| gpio_set_value(GPIO_HUB_NRESET, 1); |
| |
| usb_ehci_init(&ehci_pdata); |
| |
| /* enable power to hub */ |
| gpio_set_value(GPIO_HUB_POWER, 1); |
| return; |
| |
| error2: |
| gpio_free(GPIO_HUB_POWER); |
| error1: |
| pr_err("Unable to initialize EHCI power/reset\n"); |
| return; |
| |
| } |
| |
| static struct omap_musb_board_data musb_board_data = { |
| .interface_type = MUSB_INTERFACE_UTMI, |
| .mode = MUSB_OTG, |
| .power = 100, |
| }; |
| |
| static struct twl4030_usb_data omap4_usbphy_data = { |
| .phy_init = omap4430_phy_init, |
| .phy_exit = omap4430_phy_exit, |
| .phy_power = omap4430_phy_power, |
| .phy_set_clock = omap4430_phy_set_clk, |
| }; |
| |
| static struct omap2_hsmmc_info mmc[] = { |
| { |
| .mmc = 1, |
| .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA, |
| .gpio_wp = -EINVAL, |
| .gpio_cd = -EINVAL, |
| }, |
| { |
| .name = "wl1271", |
| .mmc = 5, |
| .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD, |
| .gpio_wp = -EINVAL, |
| .gpio_cd = -EINVAL, |
| .ocr_mask = MMC_VDD_165_195, |
| .nonremovable = true, |
| }, |
| {} /* Terminator */ |
| }; |
| |
| static struct regulator_consumer_supply omap4_panda_vmmc_supply[] = { |
| { |
| .supply = "vmmc", |
| .dev_name = "omap_hsmmc.0", |
| }, |
| }; |
| |
| static struct regulator_consumer_supply omap4_panda_vmmc5_supply = { |
| .supply = "vmmc", |
| .dev_name = "omap_hsmmc.4", |
| }; |
| |
| static struct regulator_init_data panda_vmmc5 = { |
| .constraints = { |
| .valid_ops_mask = REGULATOR_CHANGE_STATUS, |
| }, |
| .num_consumer_supplies = 1, |
| .consumer_supplies = &omap4_panda_vmmc5_supply, |
| }; |
| |
| static struct fixed_voltage_config panda_vwlan = { |
| .supply_name = "vwl1271", |
| .microvolts = 1800000, /* 1.8V */ |
| .gpio = GPIO_WIFI_PMENA, |
| .startup_delay = 70000, /* 70msec */ |
| .enable_high = 1, |
| .enabled_at_boot = 0, |
| .init_data = &panda_vmmc5, |
| }; |
| |
| static struct platform_device omap_vwlan_device = { |
| .name = "reg-fixed-voltage", |
| .id = 1, |
| .dev = { |
| .platform_data = &panda_vwlan, |
| }, |
| }; |
| |
| struct wl12xx_platform_data omap_panda_wlan_data __initdata = { |
| .irq = OMAP_GPIO_IRQ(GPIO_WIFI_IRQ), |
| /* PANDA ref clock is 38.4 MHz */ |
| .board_ref_clock = 2, |
| }; |
| |
| static int omap4_twl6030_hsmmc_late_init(struct device *dev) |
| { |
| int ret = 0; |
| struct platform_device *pdev = container_of(dev, |
| struct platform_device, dev); |
| struct omap_mmc_platform_data *pdata = dev->platform_data; |
| |
| if (!pdata) { |
| dev_err(dev, "%s: NULL platform data\n", __func__); |
| return -EINVAL; |
| } |
| /* Setting MMC1 Card detect Irq */ |
| if (pdev->id == 0) { |
| ret = twl6030_mmc_card_detect_config(); |
| if (ret) |
| dev_err(dev, "%s: Error card detect config(%d)\n", |
| __func__, ret); |
| else |
| pdata->slots[0].card_detect = twl6030_mmc_card_detect; |
| } |
| return ret; |
| } |
| |
| static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev) |
| { |
| struct omap_mmc_platform_data *pdata; |
| |
| /* dev can be null if CONFIG_MMC_OMAP_HS is not set */ |
| if (!dev) { |
| pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n"); |
| return; |
| } |
| pdata = dev->platform_data; |
| |
| pdata->init = omap4_twl6030_hsmmc_late_init; |
| } |
| |
| static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers) |
| { |
| struct omap2_hsmmc_info *c; |
| |
| omap2_hsmmc_init(controllers); |
| for (c = controllers; c->mmc; c++) |
| omap4_twl6030_hsmmc_set_late_init(c->dev); |
| |
| return 0; |
| } |
| |
| static struct regulator_init_data omap4_panda_vaux1 = { |
| .constraints = { |
| .min_uV = 1000000, |
| .max_uV = 3000000, |
| .apply_uV = true, |
| .valid_modes_mask = REGULATOR_MODE_NORMAL |
| | REGULATOR_MODE_STANDBY, |
| .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
| | REGULATOR_CHANGE_MODE |
| | REGULATOR_CHANGE_STATUS, |
| }, |
| }; |
| |
| static struct regulator_init_data omap4_panda_vaux2 = { |
| .constraints = { |
| .min_uV = 1200000, |
| .max_uV = 2800000, |
| .apply_uV = true, |
| .valid_modes_mask = REGULATOR_MODE_NORMAL |
| | REGULATOR_MODE_STANDBY, |
| .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
| | REGULATOR_CHANGE_MODE |
| | REGULATOR_CHANGE_STATUS, |
| }, |
| }; |
| |
| static struct regulator_init_data omap4_panda_vaux3 = { |
| .constraints = { |
| .min_uV = 1000000, |
| .max_uV = 3000000, |
| .apply_uV = true, |
| .valid_modes_mask = REGULATOR_MODE_NORMAL |
| | REGULATOR_MODE_STANDBY, |
| .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
| | REGULATOR_CHANGE_MODE |
| | REGULATOR_CHANGE_STATUS, |
| }, |
| }; |
| |
| /* VMMC1 for MMC1 card */ |
| static struct regulator_init_data omap4_panda_vmmc = { |
| .constraints = { |
| .min_uV = 1200000, |
| .max_uV = 3000000, |
| .apply_uV = true, |
| .valid_modes_mask = REGULATOR_MODE_NORMAL |
| | REGULATOR_MODE_STANDBY, |
| .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
| | REGULATOR_CHANGE_MODE |
| | REGULATOR_CHANGE_STATUS, |
| }, |
| .num_consumer_supplies = 1, |
| .consumer_supplies = omap4_panda_vmmc_supply, |
| }; |
| |
| static struct regulator_init_data omap4_panda_vpp = { |
| .constraints = { |
| .min_uV = 1800000, |
| .max_uV = 2500000, |
| .apply_uV = true, |
| .valid_modes_mask = REGULATOR_MODE_NORMAL |
| | REGULATOR_MODE_STANDBY, |
| .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
| | REGULATOR_CHANGE_MODE |
| | REGULATOR_CHANGE_STATUS, |
| }, |
| }; |
| |
| static struct regulator_init_data omap4_panda_vusim = { |
| .constraints = { |
| .min_uV = 1200000, |
| .max_uV = 2900000, |
| .apply_uV = true, |
| .valid_modes_mask = REGULATOR_MODE_NORMAL |
| | REGULATOR_MODE_STANDBY, |
| .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
| | REGULATOR_CHANGE_MODE |
| | REGULATOR_CHANGE_STATUS, |
| }, |
| }; |
| |
| static struct regulator_init_data omap4_panda_vana = { |
| .constraints = { |
| .min_uV = 2100000, |
| .max_uV = 2100000, |
| .valid_modes_mask = REGULATOR_MODE_NORMAL |
| | REGULATOR_MODE_STANDBY, |
| .valid_ops_mask = REGULATOR_CHANGE_MODE |
| | REGULATOR_CHANGE_STATUS, |
| }, |
| }; |
| |
| static struct regulator_init_data omap4_panda_vcxio = { |
| .constraints = { |
| .min_uV = 1800000, |
| .max_uV = 1800000, |
| .valid_modes_mask = REGULATOR_MODE_NORMAL |
| | REGULATOR_MODE_STANDBY, |
| .valid_ops_mask = REGULATOR_CHANGE_MODE |
| | REGULATOR_CHANGE_STATUS, |
| }, |
| }; |
| |
| static struct regulator_init_data omap4_panda_vdac = { |
| .constraints = { |
| .min_uV = 1800000, |
| .max_uV = 1800000, |
| .valid_modes_mask = REGULATOR_MODE_NORMAL |
| | REGULATOR_MODE_STANDBY, |
| .valid_ops_mask = REGULATOR_CHANGE_MODE |
| | REGULATOR_CHANGE_STATUS, |
| }, |
| }; |
| |
| static struct regulator_init_data omap4_panda_vusb = { |
| .constraints = { |
| .min_uV = 3300000, |
| .max_uV = 3300000, |
| .apply_uV = true, |
| .valid_modes_mask = REGULATOR_MODE_NORMAL |
| | REGULATOR_MODE_STANDBY, |
| .valid_ops_mask = REGULATOR_CHANGE_MODE |
| | REGULATOR_CHANGE_STATUS, |
| }, |
| }; |
| |
| static struct twl4030_platform_data omap4_panda_twldata = { |
| .irq_base = TWL6030_IRQ_BASE, |
| .irq_end = TWL6030_IRQ_END, |
| |
| /* Regulators */ |
| .vmmc = &omap4_panda_vmmc, |
| .vpp = &omap4_panda_vpp, |
| .vusim = &omap4_panda_vusim, |
| .vana = &omap4_panda_vana, |
| .vcxio = &omap4_panda_vcxio, |
| .vdac = &omap4_panda_vdac, |
| .vusb = &omap4_panda_vusb, |
| .vaux1 = &omap4_panda_vaux1, |
| .vaux2 = &omap4_panda_vaux2, |
| .vaux3 = &omap4_panda_vaux3, |
| .usb = &omap4_usbphy_data, |
| }; |
| |
| static struct i2c_board_info __initdata omap4_panda_i2c_boardinfo[] = { |
| { |
| I2C_BOARD_INFO("twl6030", 0x48), |
| .flags = I2C_CLIENT_WAKE, |
| .irq = OMAP44XX_IRQ_SYS_1N, |
| .platform_data = &omap4_panda_twldata, |
| }, |
| }; |
| static int __init omap4_panda_i2c_init(void) |
| { |
| /* |
| * Phoenix Audio IC needs I2C1 to |
| * start with 400 KHz or less |
| */ |
| omap_register_i2c_bus(1, 400, omap4_panda_i2c_boardinfo, |
| ARRAY_SIZE(omap4_panda_i2c_boardinfo)); |
| omap_register_i2c_bus(2, 400, NULL, 0); |
| omap_register_i2c_bus(3, 400, NULL, 0); |
| omap_register_i2c_bus(4, 400, NULL, 0); |
| return 0; |
| } |
| |
| #ifdef CONFIG_OMAP_MUX |
| static struct omap_board_mux board_mux[] __initdata = { |
| /* WLAN IRQ - GPIO 53 */ |
| OMAP4_MUX(GPMC_NCS3, OMAP_MUX_MODE3 | OMAP_PIN_INPUT), |
| /* WLAN POWER ENABLE - GPIO 43 */ |
| OMAP4_MUX(GPMC_A19, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT), |
| /* WLAN SDIO: MMC5 CMD */ |
| OMAP4_MUX(SDMMC5_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP), |
| /* WLAN SDIO: MMC5 CLK */ |
| OMAP4_MUX(SDMMC5_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP), |
| /* WLAN SDIO: MMC5 DAT[0-3] */ |
| OMAP4_MUX(SDMMC5_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP), |
| OMAP4_MUX(SDMMC5_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP), |
| OMAP4_MUX(SDMMC5_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP), |
| OMAP4_MUX(SDMMC5_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP), |
| { .reg_offset = OMAP_MUX_TERMINATOR }, |
| }; |
| #else |
| #define board_mux NULL |
| #endif |
| |
| static void __init omap4_panda_init(void) |
| { |
| int package = OMAP_PACKAGE_CBS; |
| |
| if (omap_rev() == OMAP4430_REV_ES1_0) |
| package = OMAP_PACKAGE_CBL; |
| omap4_mux_init(board_mux, package); |
| |
| if (wl12xx_set_platform_data(&omap_panda_wlan_data)) |
| pr_err("error setting wl12xx data\n"); |
| |
| omap4_panda_i2c_init(); |
| platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices)); |
| platform_device_register(&omap_vwlan_device); |
| 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 |