| /* |
| * Copyright (C) 2009 |
| * Guennadi Liakhovetski, DENX Software Engineering, <lg@denx.de> |
| * |
| * 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/gpio.h> |
| #include <linux/gpio_keys.h> |
| #include <linux/input.h> |
| #include <linux/platform_device.h> |
| #include <linux/spi/spi.h> |
| |
| #include <mach/common.h> |
| #include <mach/iomux-mx3.h> |
| #include <mach/spi.h> |
| |
| #include <asm/mach-types.h> |
| |
| #include "pcm037.h" |
| #include "devices.h" |
| #include "devices-imx31.h" |
| |
| static unsigned int pcm037_eet_pins[] = { |
| /* Reserve and hardwire GPIO 57 high - S6E63D6 chipselect */ |
| IOMUX_MODE(MX31_PIN_KEY_COL7, IOMUX_CONFIG_GPIO), |
| /* GPIO keys */ |
| IOMUX_MODE(MX31_PIN_GPIO1_0, IOMUX_CONFIG_GPIO), /* 0 */ |
| IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO), /* 1 */ |
| IOMUX_MODE(MX31_PIN_GPIO1_2, IOMUX_CONFIG_GPIO), /* 2 */ |
| IOMUX_MODE(MX31_PIN_GPIO1_3, IOMUX_CONFIG_GPIO), /* 3 */ |
| IOMUX_MODE(MX31_PIN_SVEN0, IOMUX_CONFIG_GPIO), /* 32 */ |
| IOMUX_MODE(MX31_PIN_STX0, IOMUX_CONFIG_GPIO), /* 33 */ |
| IOMUX_MODE(MX31_PIN_SRX0, IOMUX_CONFIG_GPIO), /* 34 */ |
| IOMUX_MODE(MX31_PIN_SIMPD0, IOMUX_CONFIG_GPIO), /* 35 */ |
| IOMUX_MODE(MX31_PIN_RTS1, IOMUX_CONFIG_GPIO), /* 38 */ |
| IOMUX_MODE(MX31_PIN_CTS1, IOMUX_CONFIG_GPIO), /* 39 */ |
| IOMUX_MODE(MX31_PIN_KEY_ROW4, IOMUX_CONFIG_GPIO), /* 50 */ |
| IOMUX_MODE(MX31_PIN_KEY_ROW5, IOMUX_CONFIG_GPIO), /* 51 */ |
| IOMUX_MODE(MX31_PIN_KEY_ROW6, IOMUX_CONFIG_GPIO), /* 52 */ |
| IOMUX_MODE(MX31_PIN_KEY_ROW7, IOMUX_CONFIG_GPIO), /* 53 */ |
| |
| /* LEDs */ |
| IOMUX_MODE(MX31_PIN_DTR_DTE1, IOMUX_CONFIG_GPIO), /* 44 */ |
| IOMUX_MODE(MX31_PIN_DSR_DTE1, IOMUX_CONFIG_GPIO), /* 45 */ |
| IOMUX_MODE(MX31_PIN_KEY_COL5, IOMUX_CONFIG_GPIO), /* 55 */ |
| IOMUX_MODE(MX31_PIN_KEY_COL6, IOMUX_CONFIG_GPIO), /* 56 */ |
| }; |
| |
| /* SPI */ |
| static struct spi_board_info pcm037_spi_dev[] = { |
| { |
| .modalias = "dac124s085", |
| .max_speed_hz = 400000, |
| .bus_num = 0, |
| .chip_select = 0, /* Index in pcm037_spi1_cs[] */ |
| .mode = SPI_CPHA, |
| }, |
| }; |
| |
| /* Platform Data for MXC CSPI */ |
| static int pcm037_spi1_cs[] = {MXC_SPI_CS(1), IOMUX_TO_GPIO(MX31_PIN_KEY_COL7)}; |
| |
| static const struct spi_imx_master pcm037_spi1_pdata __initconst = { |
| .chipselect = pcm037_spi1_cs, |
| .num_chipselect = ARRAY_SIZE(pcm037_spi1_cs), |
| }; |
| |
| /* GPIO-keys input device */ |
| static struct gpio_keys_button pcm037_gpio_keys[] = { |
| { |
| .type = EV_KEY, |
| .code = KEY_L, |
| .gpio = 0, |
| .desc = "Wheel Manual", |
| .wakeup = 0, |
| }, { |
| .type = EV_KEY, |
| .code = KEY_A, |
| .gpio = 1, |
| .desc = "Wheel AF", |
| .wakeup = 0, |
| }, { |
| .type = EV_KEY, |
| .code = KEY_V, |
| .gpio = 2, |
| .desc = "Wheel View", |
| .wakeup = 0, |
| }, { |
| .type = EV_KEY, |
| .code = KEY_M, |
| .gpio = 3, |
| .desc = "Wheel Menu", |
| .wakeup = 0, |
| }, { |
| .type = EV_KEY, |
| .code = KEY_UP, |
| .gpio = 32, |
| .desc = "Nav Pad Up", |
| .wakeup = 0, |
| }, { |
| .type = EV_KEY, |
| .code = KEY_RIGHT, |
| .gpio = 33, |
| .desc = "Nav Pad Right", |
| .wakeup = 0, |
| }, { |
| .type = EV_KEY, |
| .code = KEY_DOWN, |
| .gpio = 34, |
| .desc = "Nav Pad Down", |
| .wakeup = 0, |
| }, { |
| .type = EV_KEY, |
| .code = KEY_LEFT, |
| .gpio = 35, |
| .desc = "Nav Pad Left", |
| .wakeup = 0, |
| }, { |
| .type = EV_KEY, |
| .code = KEY_ENTER, |
| .gpio = 38, |
| .desc = "Nav Pad Ok", |
| .wakeup = 0, |
| }, { |
| .type = EV_KEY, |
| .code = KEY_O, |
| .gpio = 39, |
| .desc = "Wheel Off", |
| .wakeup = 0, |
| }, { |
| .type = EV_KEY, |
| .code = BTN_FORWARD, |
| .gpio = 50, |
| .desc = "Focus Forward", |
| .wakeup = 0, |
| }, { |
| .type = EV_KEY, |
| .code = BTN_BACK, |
| .gpio = 51, |
| .desc = "Focus Backward", |
| .wakeup = 0, |
| }, { |
| .type = EV_KEY, |
| .code = BTN_MIDDLE, |
| .gpio = 52, |
| .desc = "Release Half", |
| .wakeup = 0, |
| }, { |
| .type = EV_KEY, |
| .code = BTN_EXTRA, |
| .gpio = 53, |
| .desc = "Release Full", |
| .wakeup = 0, |
| }, |
| }; |
| |
| static struct gpio_keys_platform_data pcm037_gpio_keys_platform_data = { |
| .buttons = pcm037_gpio_keys, |
| .nbuttons = ARRAY_SIZE(pcm037_gpio_keys), |
| .rep = 0, /* No auto-repeat */ |
| }; |
| |
| static struct platform_device pcm037_gpio_keys_device = { |
| .name = "gpio-keys", |
| .id = -1, |
| .dev = { |
| .platform_data = &pcm037_gpio_keys_platform_data, |
| }, |
| }; |
| |
| static int __init eet_init_devices(void) |
| { |
| if (!machine_is_pcm037() || pcm037_variant() != PCM037_EET) |
| return 0; |
| |
| mxc_iomux_setup_multiple_pins(pcm037_eet_pins, |
| ARRAY_SIZE(pcm037_eet_pins), "pcm037_eet"); |
| |
| /* SPI */ |
| spi_register_board_info(pcm037_spi_dev, ARRAY_SIZE(pcm037_spi_dev)); |
| #if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE) |
| imx31_add_spi_imx0(&pcm037_spi1_pdata); |
| #endif |
| |
| platform_device_register(&pcm037_gpio_keys_device); |
| |
| return 0; |
| } |
| |
| late_initcall(eet_init_devices); |