| 1 | /* |
| 2 | * arch/ubicom32/mach-ip5k/board-ip5170dpf.c |
| 3 | * Platform initialization for ip5160dpf board. |
| 4 | * |
| 5 | * (C) Copyright 2009, Ubicom, Inc. |
| 6 | * |
| 7 | * This file is part of the Ubicom32 Linux Kernel Port. |
| 8 | * |
| 9 | * The Ubicom32 Linux Kernel Port is free software: you can redistribute |
| 10 | * it and/or modify it under the terms of the GNU General Public License |
| 11 | * as published by the Free Software Foundation, either version 2 of the |
| 12 | * License, or (at your option) any later version. |
| 13 | * |
| 14 | * The Ubicom32 Linux Kernel Port is distributed in the hope that it |
| 15 | * will be useful, but WITHOUT ANY WARRANTY; without even the implied |
| 16 | * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
| 17 | * the GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with the Ubicom32 Linux Kernel Port. If not, |
| 21 | * see <http://www.gnu.org/licenses/>. |
| 22 | * |
| 23 | * Ubicom32 implementation derived from (with many thanks): |
| 24 | * arch/m68knommu |
| 25 | * arch/blackfin |
| 26 | * arch/parisc |
| 27 | */ |
| 28 | #include <linux/device.h> |
| 29 | #include <linux/platform_device.h> |
| 30 | #include <linux/gpio.h> |
| 31 | #include <linux/leds.h> |
| 32 | |
| 33 | #include <linux/i2c.h> |
| 34 | #include <linux/i2c-gpio.h> |
| 35 | |
| 36 | #include <linux/input.h> |
| 37 | #include <asm/board.h> |
| 38 | #include <asm/machdep.h> |
| 39 | #include <asm/ubicom32hid.h> |
| 40 | #include <asm/vdc_tio.h> |
| 41 | |
| 42 | /* |
| 43 | * LEDs |
| 44 | * |
| 45 | * WLAN PD9 (Note this is shared with MISO, but we don't use it) |
| 46 | * WPS PD8 |
| 47 | * |
| 48 | * TODO: check triggers, are they generic? |
| 49 | */ |
| 50 | static struct gpio_led ip5170dpf_gpio_leds[] = { |
| 51 | { |
| 52 | .name = "d31:green:WLAN1", |
| 53 | .default_trigger = "WLAN1", |
| 54 | .gpio = GPIO_RD_9, |
| 55 | .active_low = 1, |
| 56 | }, |
| 57 | { |
| 58 | .name = "d30:green:WPS", |
| 59 | .default_trigger = "WPS", |
| 60 | .gpio = GPIO_RD_8, |
| 61 | .active_low = 1, |
| 62 | }, |
| 63 | }; |
| 64 | |
| 65 | static struct gpio_led_platform_data ip5170dpf_gpio_led_platform_data = { |
| 66 | .num_leds = 2, |
| 67 | .leds = ip5170dpf_gpio_leds, |
| 68 | }; |
| 69 | |
| 70 | static struct platform_device ip5170dpf_gpio_leds_device = { |
| 71 | .name = "leds-gpio", |
| 72 | .id = -1, |
| 73 | .dev = { |
| 74 | .platform_data = &ip5170dpf_gpio_led_platform_data, |
| 75 | }, |
| 76 | }; |
| 77 | |
| 78 | /* |
| 79 | * Backlight on the board PD0, hardware PWM |
| 80 | */ |
| 81 | static const struct ubicom32hid_button ip5170dpf_ubicom32hid_buttons[] = { |
| 82 | { |
| 83 | .type = EV_KEY, |
| 84 | .code = KEY_UP, |
| 85 | .bit = 0, |
| 86 | }, |
| 87 | { |
| 88 | .type = EV_KEY, |
| 89 | .code = KEY_LEFT, |
| 90 | .bit = 1, |
| 91 | }, |
| 92 | { |
| 93 | .type = EV_KEY, |
| 94 | .code = KEY_RIGHT, |
| 95 | .bit = 2, |
| 96 | }, |
| 97 | { |
| 98 | .type = EV_KEY, |
| 99 | .code = KEY_DOWN, |
| 100 | .bit = 3, |
| 101 | }, |
| 102 | { |
| 103 | .type = EV_KEY, |
| 104 | .code = KEY_ENTER, |
| 105 | .bit = 4, |
| 106 | }, |
| 107 | { |
| 108 | .type = EV_KEY, |
| 109 | .code = KEY_MENU, |
| 110 | .bit = 5, |
| 111 | }, |
| 112 | { |
| 113 | .type = EV_KEY, |
| 114 | .code = KEY_ESC, |
| 115 | .bit = 7, |
| 116 | }, |
| 117 | }; |
| 118 | |
| 119 | static const struct ubicom32hid_ir ip5170dpf_ubicom32hid_ircodes[] = { |
| 120 | { |
| 121 | .type = EV_KEY, |
| 122 | .code = KEY_UP, |
| 123 | .ir_code = 0xF807916E |
| 124 | }, |
| 125 | { |
| 126 | .type = EV_KEY, |
| 127 | .code = KEY_DOWN, |
| 128 | .ir_code = 0xF20D916E |
| 129 | }, |
| 130 | { |
| 131 | .type = EV_KEY, |
| 132 | .code = KEY_LEFT, |
| 133 | .ir_code = 0xF609916E |
| 134 | }, |
| 135 | { |
| 136 | .type = EV_KEY, |
| 137 | .code = KEY_RIGHT, |
| 138 | .ir_code = 0xF40B916E |
| 139 | }, |
| 140 | { |
| 141 | .type = EV_KEY, |
| 142 | .code = KEY_ENTER, |
| 143 | .ir_code = 0xF50A916E |
| 144 | }, |
| 145 | { /* rotate */ |
| 146 | .type = EV_KEY, |
| 147 | .code = KEY_FN_F1, |
| 148 | .ir_code = 0xF906916E |
| 149 | }, |
| 150 | { |
| 151 | .type = EV_KEY, |
| 152 | .code = KEY_MENU, |
| 153 | .ir_code = 0xF708916E |
| 154 | }, |
| 155 | { /* font size */ |
| 156 | .type = EV_KEY, |
| 157 | .code = KEY_FN_F2, |
| 158 | .ir_code = 0xF30C916E |
| 159 | }, |
| 160 | { |
| 161 | .type = EV_KEY, |
| 162 | .code = KEY_ESC, |
| 163 | .ir_code = 0xF10E916E |
| 164 | }, |
| 165 | { |
| 166 | .type = EV_KEY, |
| 167 | .code = KEY_VOLUMEUP, |
| 168 | .ir_code = 0xF00F916E |
| 169 | }, |
| 170 | { |
| 171 | .type = EV_KEY, |
| 172 | .code = KEY_VOLUMEDOWN, |
| 173 | .ir_code = 0xED12916E |
| 174 | }, |
| 175 | { |
| 176 | .type = EV_KEY, |
| 177 | .code = KEY_MUTE, |
| 178 | .ir_code = 0xEA15916E |
| 179 | }, |
| 180 | { |
| 181 | .type = EV_KEY, |
| 182 | .code = KEY_INFO, |
| 183 | .ir_code = 0xEF10916E |
| 184 | }, |
| 185 | { /* Like */ |
| 186 | .type = EV_KEY, |
| 187 | .code = KEY_FN_F3, |
| 188 | .ir_code = 0xEE11916E |
| 189 | }, |
| 190 | { /* Dislike */ |
| 191 | .type = EV_KEY, |
| 192 | .code = KEY_FN_F4, |
| 193 | .ir_code = 0xEB14916E |
| 194 | }, |
| 195 | { |
| 196 | .type = EV_KEY, |
| 197 | .code = KEY_POWER, |
| 198 | .ir_code = 0xFD02916E |
| 199 | }, |
| 200 | }; |
| 201 | |
| 202 | static struct ubicom32hid_platform_data ip5170dpf_ubicom32hid_platform_data = { |
| 203 | .gpio_reset = GPIO_RA_4, |
| 204 | .gpio_reset_polarity = 0, |
| 205 | .type = UBICOM32HID_BL_TYPE_BINARY, |
| 206 | .invert = 0, |
| 207 | .default_intensity = 1, |
| 208 | .buttons = ip5170dpf_ubicom32hid_buttons, |
| 209 | .nbuttons = ARRAY_SIZE(ip5170dpf_ubicom32hid_buttons), |
| 210 | .ircodes = ip5170dpf_ubicom32hid_ircodes, |
| 211 | .nircodes = ARRAY_SIZE(ip5170dpf_ubicom32hid_ircodes), |
| 212 | }; |
| 213 | |
| 214 | /* |
| 215 | * Devices on the I2C bus |
| 216 | */ |
| 217 | static struct i2c_board_info __initdata ip5170dpf_i2c_board_info[] = { |
| 218 | /* |
| 219 | * U24, ubicom32hid |
| 220 | */ |
| 221 | { |
| 222 | .type = "ubicom32hid", |
| 223 | .addr = 0x08, |
| 224 | .platform_data = &ip5170dpf_ubicom32hid_platform_data, |
| 225 | }, |
| 226 | |
| 227 | /* |
| 228 | * U14, CS4350 DAC, address 0x4B |
| 229 | */ |
| 230 | }; |
| 231 | |
| 232 | /* |
| 233 | * I2C bus on the board, SDA PF13, SCL PF14 |
| 234 | */ |
| 235 | static struct i2c_gpio_platform_data ip5170dpf_i2c_data = { |
| 236 | .sda_pin = GPIO_RF_13, |
| 237 | .scl_pin = GPIO_RF_14, |
| 238 | .sda_is_open_drain = 0, |
| 239 | .scl_is_open_drain = 0, |
| 240 | .scl_is_output_only = 1, |
| 241 | .udelay = 5, |
| 242 | }; |
| 243 | |
| 244 | static struct platform_device ip5170dpf_i2c_device = { |
| 245 | .name = "i2c-gpio", |
| 246 | .id = 0, |
| 247 | .dev = { |
| 248 | .platform_data = &ip5170dpf_i2c_data, |
| 249 | }, |
| 250 | }; |
| 251 | |
| 252 | /* |
| 253 | * List of all devices in our system |
| 254 | */ |
| 255 | static struct platform_device *ip5170dpf_devices[] __initdata = { |
| 256 | &ip5170dpf_i2c_device, |
| 257 | &ip5170dpf_gpio_leds_device, |
| 258 | }; |
| 259 | |
| 260 | /* |
| 261 | * ip5170dpf_init |
| 262 | * Called to add the devices which we have on this board |
| 263 | */ |
| 264 | static int __init ip5170dpf_init(void) |
| 265 | { |
| 266 | ubi_gpio_init(); |
| 267 | |
| 268 | vdc_tio_init(); |
| 269 | |
| 270 | printk(KERN_INFO "%s: registering device resources\n", __FUNCTION__); |
| 271 | platform_add_devices(ip5170dpf_devices, ARRAY_SIZE(ip5170dpf_devices)); |
| 272 | |
| 273 | printk(KERN_INFO "%s: registering i2c resources\n", __FUNCTION__); |
| 274 | i2c_register_board_info(0, ip5170dpf_i2c_board_info, ARRAY_SIZE(ip5170dpf_i2c_board_info)); |
| 275 | |
| 276 | return 0; |
| 277 | } |
| 278 | |
| 279 | arch_initcall(ip5170dpf_init); |
| 280 | |
