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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 | /* * 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 <asm/mach-types.h> #include "pcm037.h" #include "common.h" #include "devices-imx31.h" #include "iomux-mx3.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 */ }; int __init pcm037_eet_init_devices(void) { if (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; } |