diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-omap4panda.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-omap4panda.c | 398 |
1 files changed, 398 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c new file mode 100644 index 000000000000..1ecd0a6cefb7 --- /dev/null +++ b/arch/arm/mach-omap2/board-omap4panda.c @@ -0,0 +1,398 @@ +/* + * 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/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 <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" + +#define GPIO_HUB_POWER 1 +#define GPIO_HUB_NRESET 62 + +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, +}; + +static void __init omap4_panda_init_irq(void) +{ + omap2_init_common_hw(NULL, NULL); + gic_init_irq(); + omap_gpio_init(); +} + +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; + + + /* 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_PERIPHERAL, + .power = 100, +}; + +static struct omap2_hsmmc_info mmc[] = { + { + .mmc = 1, + .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA, + .gpio_wp = -EINVAL, + }, + {} /* Terminator */ +}; + +static struct regulator_consumer_supply omap4_panda_vmmc_supply[] = { + { + .supply = "vmmc", + .dev_name = "mmci-omap-hs.0", + }, +}; + +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, + .apply_uV = true, + .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, + .apply_uV = true, + .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, + .apply_uV = true, + .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, +}; + +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; +} +static void __init omap4_panda_init(void) +{ + omap4_panda_i2c_init(); + platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices)); + omap_serial_init(); + omap4_twl6030_hsmmc_init(mmc); + /* OMAP4 Panda uses internal transceiver so register nop transceiver */ + usb_nop_xceiv_register(); + omap4_ehci_init(); + /* FIXME: allow multi-omap to boot until musb is updated for omap4 */ + if (!cpu_is_omap44xx()) + 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, + .map_io = omap4_panda_map_io, + .init_irq = omap4_panda_init_irq, + .init_machine = omap4_panda_init, + .timer = &omap_timer, +MACHINE_END |