diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-igep0020.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-igep0020.c | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c new file mode 100644 index 00000000000..fa62e80c13b --- /dev/null +++ b/arch/arm/mach-omap2/board-igep0020.c @@ -0,0 +1,251 @@ +/* + * Copyright (C) 2009 Integration Software and Electronic Engineering. + * + * Modified from mach-omap2/board-generic.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/delay.h> +#include <linux/err.h> +#include <linux/clk.h> +#include <linux/io.h> +#include <linux/gpio.h> +#include <linux/interrupt.h> + +#include <linux/regulator/machine.h> +#include <linux/i2c/twl4030.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> + +#include <plat/board.h> +#include <plat/common.h> +#include <plat/gpmc.h> +#include <plat/mux.h> +#include <plat/usb.h> + +#include "mmc-twl4030.h" + +#define IGEP2_SMSC911X_CS 5 +#define IGEP2_SMSC911X_GPIO 176 +#define IGEP2_GPIO_USBH_NRESET 24 +#define IGEP2_GPIO_LED0_RED 26 +#define IGEP2_GPIO_LED0_GREEN 27 +#define IGEP2_GPIO_LED1_RED 28 + +#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE) + +#include <linux/smsc911x.h> + +static struct smsc911x_platform_config igep2_smsc911x_config = { + .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, + .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, + .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS , + .phy_interface = PHY_INTERFACE_MODE_MII, +}; + +static struct resource igep2_smsc911x_resources[] = { + { + .flags = IORESOURCE_MEM, + }, + { + .start = OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO), + .end = OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO), + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, + }, +}; + +static struct platform_device igep2_smsc911x_device = { + .name = "smsc911x", + .id = 0, + .num_resources = ARRAY_SIZE(igep2_smsc911x_resources), + .resource = igep2_smsc911x_resources, + .dev = { + .platform_data = &igep2_smsc911x_config, + }, +}; + +static inline void __init igep2_init_smsc911x(void) +{ + unsigned long cs_mem_base; + + if (gpmc_cs_request(IGEP2_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) { + pr_err("IGEP v2: Failed request for GPMC mem for smsc911x\n"); + gpmc_cs_free(IGEP2_SMSC911X_CS); + return; + } + + igep2_smsc911x_resources[0].start = cs_mem_base + 0x0; + igep2_smsc911x_resources[0].end = cs_mem_base + 0xff; + + if ((gpio_request(IGEP2_SMSC911X_GPIO, "SMSC911X IRQ") == 0) && + (gpio_direction_input(IGEP2_SMSC911X_GPIO) == 0)) { + gpio_export(IGEP2_SMSC911X_GPIO, 0); + } else { + pr_err("IGEP v2: Could not obtain gpio for for SMSC911X IRQ\n"); + return; + } + + platform_device_register(&igep2_smsc911x_device); +} + +#else +static inline void __init igep2_init_smsc911x(void) { } +#endif + +static struct omap_board_config_kernel igep2_config[] __initdata = { +}; + +static struct regulator_consumer_supply igep2_vmmc1_supply = { + .supply = "vmmc", +}; + +/* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */ +static struct regulator_init_data igep2_vmmc1 = { + .constraints = { + .min_uV = 1850000, + .max_uV = 3150000, + .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 = &igep2_vmmc1_supply, +}; + +static struct twl4030_hsmmc_info mmc[] = { + { + .mmc = 1, + .wires = 4, + .gpio_cd = -EINVAL, + .gpio_wp = -EINVAL, + }, + { + .mmc = 2, + .wires = 4, + .gpio_cd = -EINVAL, + .gpio_wp = -EINVAL, + }, + {} /* Terminator */ +}; + +static int igep2_twl_gpio_setup(struct device *dev, + unsigned gpio, unsigned ngpio) +{ + /* gpio + 0 is "mmc0_cd" (input/IRQ) */ + mmc[0].gpio_cd = gpio + 0; + twl4030_mmc_init(mmc); + + /* link regulators to MMC adapters ... we "know" the + * regulators will be set up only *after* we return. + */ + igep2_vmmc1_supply.dev = mmc[0].dev; + + return 0; +}; + +static struct twl4030_gpio_platform_data igep2_gpio_data = { + .gpio_base = OMAP_MAX_GPIO_LINES, + .irq_base = TWL4030_GPIO_IRQ_BASE, + .irq_end = TWL4030_GPIO_IRQ_END, + .use_leds = false, + .setup = igep2_twl_gpio_setup, +}; + +static struct twl4030_usb_data igep2_usb_data = { + .usb_mode = T2_USB_MODE_ULPI, +}; + +static void __init igep2_init_irq(void) +{ + omap_board_config = igep2_config; + omap_board_config_size = ARRAY_SIZE(igep2_config); + omap2_init_common_hw(NULL, NULL); + omap_init_irq(); + omap_gpio_init(); +} + +static struct twl4030_platform_data igep2_twldata = { + .irq_base = TWL4030_IRQ_BASE, + .irq_end = TWL4030_IRQ_END, + + /* platform_data for children goes here */ + .usb = &igep2_usb_data, + .gpio = &igep2_gpio_data, + .vmmc1 = &igep2_vmmc1, + +}; + +static struct i2c_board_info __initdata igep2_i2c_boardinfo[] = { + { + I2C_BOARD_INFO("twl4030", 0x48), + .flags = I2C_CLIENT_WAKE, + .irq = INT_34XX_SYS_NIRQ, + .platform_data = &igep2_twldata, + }, +}; + +static int __init igep2_i2c_init(void) +{ + omap_register_i2c_bus(1, 2600, igep2_i2c_boardinfo, + ARRAY_SIZE(igep2_i2c_boardinfo)); + /* Bus 3 is attached to the DVI port where devices like the pico DLP + * projector don't work reliably with 400kHz */ + omap_register_i2c_bus(3, 100, NULL, 0); + return 0; +} + +static void __init igep2_init(void) +{ + igep2_i2c_init(); + omap_serial_init(); + usb_musb_init(); + + igep2_init_smsc911x(); + + /* GPIO userspace leds */ + if ((gpio_request(IGEP2_GPIO_LED0_RED, "GPIO_LED0_RED") == 0) && + (gpio_direction_output(IGEP2_GPIO_LED0_RED, 1) == 0)) { + gpio_export(IGEP2_GPIO_LED0_RED, 0); + gpio_set_value(IGEP2_GPIO_LED0_RED, 0); + } else + pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_RED\n"); + + if ((gpio_request(IGEP2_GPIO_LED0_GREEN, "GPIO_LED0_GREEN") == 0) && + (gpio_direction_output(IGEP2_GPIO_LED0_GREEN, 1) == 0)) { + gpio_export(IGEP2_GPIO_LED0_GREEN, 0); + gpio_set_value(IGEP2_GPIO_LED0_GREEN, 0); + } else + pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_GREEN\n"); + + if ((gpio_request(IGEP2_GPIO_LED1_RED, "GPIO_LED1_RED") == 0) && + (gpio_direction_output(IGEP2_GPIO_LED1_RED, 1) == 0)) { + gpio_export(IGEP2_GPIO_LED1_RED, 0); + gpio_set_value(IGEP2_GPIO_LED1_RED, 0); + } else + pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_RED\n"); +} + +static void __init igep2_map_io(void) +{ + omap2_set_globals_343x(); + omap2_map_common_io(); +} + +MACHINE_START(IGEP0020, "IGEP v2 board") + .phys_io = 0x48000000, + .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc, + .boot_params = 0x80000100, + .map_io = igep2_map_io, + .init_irq = igep2_init_irq, + .init_machine = igep2_init, + .timer = &omap_timer, +MACHINE_END |