| /* |
| * linux/arch/arm/mach-omap2/board-omap3evm.c |
| * |
| * Copyright (C) 2008 Texas Instruments |
| * |
| * Modified from mach-omap2/board-3430sdp.c |
| * |
| * Initial code: Syed Mohammed Khasim |
| * |
| * 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/gpio.h> |
| #include <linux/input.h> |
| #include <linux/input/matrix_keypad.h> |
| #include <linux/leds.h> |
| |
| #include <linux/spi/spi.h> |
| #include <linux/spi/ads7846.h> |
| #include <linux/i2c/twl4030.h> |
| #include <linux/usb/otg.h> |
| |
| #include <mach/hardware.h> |
| #include <asm/mach-types.h> |
| #include <asm/mach/arch.h> |
| #include <asm/mach/map.h> |
| |
| #include <mach/board.h> |
| #include <mach/mux.h> |
| #include <mach/usb.h> |
| #include <mach/common.h> |
| #include <mach/mcspi.h> |
| |
| #include "sdram-micron-mt46h32m32lf-6.h" |
| #include "mmc-twl4030.h" |
| |
| #define OMAP3_EVM_TS_GPIO 175 |
| |
| #define OMAP3EVM_ETHR_START 0x2c000000 |
| #define OMAP3EVM_ETHR_SIZE 1024 |
| #define OMAP3EVM_ETHR_GPIO_IRQ 176 |
| #define OMAP3EVM_SMC911X_CS 5 |
| |
| static struct resource omap3evm_smc911x_resources[] = { |
| [0] = { |
| .start = OMAP3EVM_ETHR_START, |
| .end = (OMAP3EVM_ETHR_START + OMAP3EVM_ETHR_SIZE - 1), |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ), |
| .end = OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ), |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct platform_device omap3evm_smc911x_device = { |
| .name = "smc911x", |
| .id = -1, |
| .num_resources = ARRAY_SIZE(omap3evm_smc911x_resources), |
| .resource = &omap3evm_smc911x_resources[0], |
| }; |
| |
| static inline void __init omap3evm_init_smc911x(void) |
| { |
| int eth_cs; |
| struct clk *l3ck; |
| unsigned int rate; |
| |
| eth_cs = OMAP3EVM_SMC911X_CS; |
| |
| l3ck = clk_get(NULL, "l3_ck"); |
| if (IS_ERR(l3ck)) |
| rate = 100000000; |
| else |
| rate = clk_get_rate(l3ck); |
| |
| if (gpio_request(OMAP3EVM_ETHR_GPIO_IRQ, "SMC911x irq") < 0) { |
| printk(KERN_ERR "Failed to request GPIO%d for smc911x IRQ\n", |
| OMAP3EVM_ETHR_GPIO_IRQ); |
| return; |
| } |
| |
| gpio_direction_input(OMAP3EVM_ETHR_GPIO_IRQ); |
| } |
| |
| static struct twl4030_hsmmc_info mmc[] = { |
| { |
| .mmc = 1, |
| .wires = 4, |
| .gpio_cd = -EINVAL, |
| .gpio_wp = 63, |
| }, |
| {} /* Terminator */ |
| }; |
| |
| static struct gpio_led gpio_leds[] = { |
| { |
| .name = "omap3evm::ledb", |
| /* normally not visible (board underside) */ |
| .default_trigger = "default-on", |
| .gpio = -EINVAL, /* gets replaced */ |
| .active_low = true, |
| }, |
| }; |
| |
| 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 int omap3evm_twl_gpio_setup(struct device *dev, |
| unsigned gpio, unsigned ngpio) |
| { |
| /* gpio + 0 is "mmc0_cd" (input/IRQ) */ |
| omap_cfg_reg(L8_34XX_GPIO63); |
| mmc[0].gpio_cd = gpio + 0; |
| twl4030_mmc_init(mmc); |
| |
| /* |
| * Most GPIOs are for USB OTG. Some are mostly sent to |
| * the P2 connector; notably LEDA for the LCD backlight. |
| */ |
| |
| /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */ |
| gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1; |
| |
| platform_device_register(&leds_gpio); |
| |
| return 0; |
| } |
| |
| static struct twl4030_gpio_platform_data omap3evm_gpio_data = { |
| .gpio_base = OMAP_MAX_GPIO_LINES, |
| .irq_base = TWL4030_GPIO_IRQ_BASE, |
| .irq_end = TWL4030_GPIO_IRQ_END, |
| .use_leds = true, |
| .setup = omap3evm_twl_gpio_setup, |
| }; |
| |
| static struct twl4030_usb_data omap3evm_usb_data = { |
| .usb_mode = T2_USB_MODE_ULPI, |
| }; |
| |
| static int board_keymap[] = { |
| KEY(0, 0, KEY_LEFT), |
| KEY(0, 1, KEY_RIGHT), |
| KEY(0, 2, KEY_A), |
| KEY(0, 3, KEY_B), |
| KEY(1, 0, KEY_DOWN), |
| KEY(1, 1, KEY_UP), |
| KEY(1, 2, KEY_E), |
| KEY(1, 3, KEY_F), |
| KEY(2, 0, KEY_ENTER), |
| KEY(2, 1, KEY_I), |
| KEY(2, 2, KEY_J), |
| KEY(2, 3, KEY_K), |
| KEY(3, 0, KEY_M), |
| KEY(3, 1, KEY_N), |
| KEY(3, 2, KEY_O), |
| KEY(3, 3, KEY_P) |
| }; |
| |
| static struct matrix_keymap_data board_map_data = { |
| .keymap = board_keymap, |
| .keymap_size = ARRAY_SIZE(board_keymap), |
| }; |
| |
| static struct twl4030_keypad_data omap3evm_kp_data = { |
| .keymap_data = &board_map_data, |
| .rows = 4, |
| .cols = 4, |
| .rep = 1, |
| }; |
| |
| static struct twl4030_madc_platform_data omap3evm_madc_data = { |
| .irq_line = 1, |
| }; |
| |
| static struct twl4030_codec_audio_data omap3evm_audio_data = { |
| .audio_mclk = 26000000, |
| }; |
| |
| static struct twl4030_codec_data omap3evm_codec_data = { |
| .audio_mclk = 26000000, |
| .audio = &omap3evm_audio_data, |
| }; |
| |
| static struct twl4030_platform_data omap3evm_twldata = { |
| .irq_base = TWL4030_IRQ_BASE, |
| .irq_end = TWL4030_IRQ_END, |
| |
| /* platform_data for children goes here */ |
| .keypad = &omap3evm_kp_data, |
| .madc = &omap3evm_madc_data, |
| .usb = &omap3evm_usb_data, |
| .gpio = &omap3evm_gpio_data, |
| .codec = &omap3evm_codec_data, |
| }; |
| |
| static struct i2c_board_info __initdata omap3evm_i2c_boardinfo[] = { |
| { |
| I2C_BOARD_INFO("twl4030", 0x48), |
| .flags = I2C_CLIENT_WAKE, |
| .irq = INT_34XX_SYS_NIRQ, |
| .platform_data = &omap3evm_twldata, |
| }, |
| }; |
| |
| static int __init omap3_evm_i2c_init(void) |
| { |
| omap_register_i2c_bus(1, 2600, omap3evm_i2c_boardinfo, |
| ARRAY_SIZE(omap3evm_i2c_boardinfo)); |
| omap_register_i2c_bus(2, 400, NULL, 0); |
| omap_register_i2c_bus(3, 400, NULL, 0); |
| return 0; |
| } |
| |
| static struct platform_device omap3_evm_lcd_device = { |
| .name = "omap3evm_lcd", |
| .id = -1, |
| }; |
| |
| static struct omap_lcd_config omap3_evm_lcd_config __initdata = { |
| .ctrl_name = "internal", |
| }; |
| |
| static void ads7846_dev_init(void) |
| { |
| if (gpio_request(OMAP3_EVM_TS_GPIO, "ADS7846 pendown") < 0) |
| printk(KERN_ERR "can't get ads7846 pen down GPIO\n"); |
| |
| gpio_direction_input(OMAP3_EVM_TS_GPIO); |
| |
| omap_set_gpio_debounce(OMAP3_EVM_TS_GPIO, 1); |
| omap_set_gpio_debounce_time(OMAP3_EVM_TS_GPIO, 0xa); |
| } |
| |
| static int ads7846_get_pendown_state(void) |
| { |
| return !gpio_get_value(OMAP3_EVM_TS_GPIO); |
| } |
| |
| struct ads7846_platform_data ads7846_config = { |
| .x_max = 0x0fff, |
| .y_max = 0x0fff, |
| .x_plate_ohms = 180, |
| .pressure_max = 255, |
| .debounce_max = 10, |
| .debounce_tol = 3, |
| .debounce_rep = 1, |
| .get_pendown_state = ads7846_get_pendown_state, |
| .keep_vref_on = 1, |
| .settle_delay_usecs = 150, |
| }; |
| |
| static struct omap2_mcspi_device_config ads7846_mcspi_config = { |
| .turbo_mode = 0, |
| .single_channel = 1, /* 0: slave, 1: master */ |
| }; |
| |
| struct spi_board_info omap3evm_spi_board_info[] = { |
| [0] = { |
| .modalias = "ads7846", |
| .bus_num = 1, |
| .chip_select = 0, |
| .max_speed_hz = 1500000, |
| .controller_data = &ads7846_mcspi_config, |
| .irq = OMAP_GPIO_IRQ(OMAP3_EVM_TS_GPIO), |
| .platform_data = &ads7846_config, |
| }, |
| }; |
| |
| static struct omap_board_config_kernel omap3_evm_config[] __initdata = { |
| { OMAP_TAG_LCD, &omap3_evm_lcd_config }, |
| }; |
| |
| static void __init omap3_evm_init_irq(void) |
| { |
| omap_board_config = omap3_evm_config; |
| omap_board_config_size = ARRAY_SIZE(omap3_evm_config); |
| omap2_init_common_hw(mt46h32m32lf6_sdrc_params, NULL); |
| omap_init_irq(); |
| omap_gpio_init(); |
| omap3evm_init_smc911x(); |
| } |
| |
| static struct platform_device *omap3_evm_devices[] __initdata = { |
| &omap3_evm_lcd_device, |
| &omap3evm_smc911x_device, |
| }; |
| |
| static void __init omap3_evm_init(void) |
| { |
| omap3_evm_i2c_init(); |
| |
| platform_add_devices(omap3_evm_devices, ARRAY_SIZE(omap3_evm_devices)); |
| |
| spi_register_board_info(omap3evm_spi_board_info, |
| ARRAY_SIZE(omap3evm_spi_board_info)); |
| |
| omap_serial_init(); |
| #ifdef CONFIG_NOP_USB_XCEIV |
| /* OMAP3EVM uses ISP1504 phy and so register nop transceiver */ |
| usb_nop_xceiv_register(); |
| #endif |
| usb_musb_init(); |
| ads7846_dev_init(); |
| } |
| |
| static void __init omap3_evm_map_io(void) |
| { |
| omap2_set_globals_343x(); |
| omap2_map_common_io(); |
| } |
| |
| MACHINE_START(OMAP3EVM, "OMAP3 EVM") |
| /* Maintainer: Syed Mohammed Khasim - Texas Instruments */ |
| .phys_io = 0x48000000, |
| .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, |
| .boot_params = 0x80000100, |
| .map_io = omap3_evm_map_io, |
| .init_irq = omap3_evm_init_irq, |
| .init_machine = omap3_evm_init, |
| .timer = &omap_timer, |
| MACHINE_END |