/* * 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/input.h> #include <linux/platform_device.h> #include <linux/spi/spi.h> #include <mach/common.h> #include <mach/iomux-mx3.h> #include <asm/mach-types.h> #include "pcm037.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 const struct gpio_keys_platform_data pcm037_gpio_keys_platform_data __initconst = { .buttons = pcm037_gpio_keys, .nbuttons = ARRAY_SIZE(pcm037_gpio_keys), .rep = 0, /* No auto-repeat */ }; 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)); imx31_add_spi_imx0(&pcm037_spi1_pdata); imx_add_gpio_keys(&pcm037_gpio_keys_platform_data); return 0; } late_initcall(eet_init_devices);