/* * arch/ubicom32/mach-ip7k/board-ip7160dpf.c * Platform initialization for ip7160dpf board. * * (C) Copyright 2009, Ubicom, Inc. * * This file is part of the Ubicom32 Linux Kernel Port. * * The Ubicom32 Linux Kernel Port is free software: you can redistribute * it and/or modify it under the terms of the GNU General Public License * as published by the Free Software Foundation, either version 2 of the * License, or (at your option) any later version. * * The Ubicom32 Linux Kernel Port is distributed in the hope that it * will be useful, but WITHOUT ANY WARRANTY; without even the implied * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See * the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with the Ubicom32 Linux Kernel Port. If not, * see . * * Ubicom32 implementation derived from (with many thanks): * arch/m68knommu * arch/blackfin * arch/parisc */ #include #include #include #include #include #include #include #include #include #include #include #include /* * Backlight on the board PD0, hardware PWM */ static const struct ubicom32hid_button ip7160dpf_ubicom32hid_buttons[] = { { .type = EV_KEY, .code = KEY_UP, .bit = 0, }, { .type = EV_KEY, .code = KEY_LEFT, .bit = 1, }, { .type = EV_KEY, .code = KEY_RIGHT, .bit = 2, }, { .type = EV_KEY, .code = KEY_DOWN, .bit = 3, }, { .type = EV_KEY, .code = KEY_ENTER, .bit = 4, }, { .type = EV_KEY, .code = KEY_MENU, .bit = 5, }, { .type = EV_KEY, .code = KEY_ESC, .bit = 7, }, }; static const struct ubicom32hid_ir ip7160dpf_ubicom32hid_ircodes[] = { { .type = EV_KEY, .code = KEY_UP, .ir_code = 0xF807916E }, { .type = EV_KEY, .code = KEY_DOWN, .ir_code = 0xF20D916E }, { .type = EV_KEY, .code = KEY_LEFT, .ir_code = 0xF609916E }, { .type = EV_KEY, .code = KEY_RIGHT, .ir_code = 0xF40B916E }, { .type = EV_KEY, .code = KEY_ENTER, .ir_code = 0xF50A916E }, { /* rotate */ .type = EV_KEY, .code = KEY_FN_F1, .ir_code = 0xF906916E }, { .type = EV_KEY, .code = KEY_MENU, .ir_code = 0xF708916E }, { /* font size */ .type = EV_KEY, .code = KEY_FN_F2, .ir_code = 0xF30C916E }, { .type = EV_KEY, .code = KEY_ESC, .ir_code = 0xF10E916E }, { .type = EV_KEY, .code = KEY_VOLUMEUP, .ir_code = 0xF00F916E }, { .type = EV_KEY, .code = KEY_VOLUMEDOWN, .ir_code = 0xED12916E }, { .type = EV_KEY, .code = KEY_MUTE, .ir_code = 0xEA15916E }, { .type = EV_KEY, .code = KEY_INFO, .ir_code = 0xEF10916E }, { /* Like */ .type = EV_KEY, .code = KEY_FN_F3, .ir_code = 0xEE11916E }, { /* Dislike */ .type = EV_KEY, .code = KEY_FN_F4, .ir_code = 0xEB14916E }, { .type = EV_KEY, .code = KEY_POWER, .ir_code = 0xFD02916E }, }; static struct ubicom32hid_platform_data ip7160dpf_ubicom32hid_platform_data = { .gpio_reset = GPIO_RI_5, .gpio_reset_polarity = 0, .type = UBICOM32HID_BL_TYPE_PWM, .invert = 0, .default_intensity = 128, .buttons = ip7160dpf_ubicom32hid_buttons, .nbuttons = ARRAY_SIZE(ip7160dpf_ubicom32hid_buttons), .ircodes = ip7160dpf_ubicom32hid_ircodes, .nircodes = ARRAY_SIZE(ip7160dpf_ubicom32hid_ircodes), }; /* * Devices on the I2C bus * This board has a "bus 2" which is isolated from the main bus by U47 * and pin RI0. It should be safe to always enable bus 2 by setting * RI0 to low, however, it should be noted that on all existing configurations * of this board, U49 and U51 are not populated. */ static struct i2c_board_info __initdata ip7160dpf_i2c_board_info[] = { /* * U37, CS4350 DAC, address 0x4B, bus 2 * THIS ENTRY MUST BE FIRST */ { .type = "cs4350", .addr = 0x4B, } /* * U24, ubicom32hid */ { .type = "ubicom32hid", .addr = 0x08, .platform_data = &ip7160dpf_ubicom32hid_platform_data, }, /* * U49, ISL29001 Ambient Light Sensor, address 0x44, bus 2 (may not be stuffed) */ /* * U51, S35390A RTC, address 0x30, bus 2 (may not be stuffed) */ #ifdef CONFIG_RTC_DRV_S35390A { .type = "s35390a", .addr = 0x30, }, #endif }; /* * I2C bus on the board, SDA PI1, SCL PI2 */ static struct i2c_gpio_platform_data ip7160dpf_i2c_data = { .sda_pin = GPIO_RI_1, .scl_pin = GPIO_RI_2, .sda_is_open_drain = 0, .scl_is_open_drain = 0, .scl_is_output_only = 1, .udelay = 6, }; static struct platform_device ip7160dpf_i2c_device = { .name = "i2c-gpio", .id = 0, .dev = { .platform_data = &ip7160dpf_i2c_data, }, }; /* * List of all devices in our system */ static struct platform_device *ip7160dpf_devices[] __initdata = { &ip7160dpf_i2c_device, }; /* * ip7160dpf_power_off * Called to turn the power off for this board */ static void ip7160dpf_power_off(void) { gpio_set_value(GPIO_RF_14, 0); } /* * ip7160dpf_init * Called to add the devices which we have on this board */ static int __init ip7160dpf_init(void) { int ret; struct platform_device *audio_dev; ubi_gpio_init(); /* * Hold the POWER_HOLD line */ ret = gpio_request(GPIO_RF_14, "POWER_HOLD"); if (ret) { printk(KERN_ERR "%s: could not request POWER_HOLD GPIO\n", __FUNCTION__); } gpio_direction_output(GPIO_RF_14, 1); mach_power_off = ip7160dpf_power_off; /* * USB SEL_HOST_USB line */ ret = gpio_request(GPIO_RI_13, "SEL_HOST_USB"); if (ret) { printk(KERN_ERR "%s: could not request SEL_HOST_USB GPIO\n", __FUNCTION__); } gpio_direction_output(GPIO_RI_13, 0); /* * USB/DAC nRESET line */ ret = gpio_request(GPIO_RI_3, "USB_DAC_nRESET"); if (ret) { printk(KERN_ERR "%s: could not request USB_DAC_nRESET GPIO\n", __FUNCTION__); } gpio_direction_output(GPIO_RI_3, 0); udelay(1); gpio_direction_output(GPIO_RI_3, 1); /* * I2C BUS2 Disable line */ ret = gpio_request(GPIO_RI_0, "DISABLE_BUS2"); if (ret) { printk(KERN_ERR "%s: could not request DISABLE_BUS2 GPIO\n", __FUNCTION__); } gpio_direction_output(GPIO_RI_0, 0); vdc_tio_init(); printk(KERN_INFO "%s: registering device resources\n", __FUNCTION__); platform_add_devices(ip7160dpf_devices, ARRAY_SIZE(ip7160dpf_devices)); /* * Allocate the audio driver if we can */ audio_dev = audio_device_alloc("snd-ubi32-cs4350", "audio-i2sout", 0); if (audio_dev) { ip7160dpf_i2c_board_info[0].platform_data = audio_dev; } printk(KERN_INFO "%s: registering i2c resources\n", __FUNCTION__); i2c_register_board_info(0, ip7160dpf_i2c_board_info, ARRAY_SIZE(ip7160dpf_i2c_board_info)); return 0; } arch_initcall(ip7160dpf_init);