| 1 | /* |
| 2 | * arch/ubicom32/mach-ip7k/board-ip7160bringup.c |
| 3 | * Support for the IP7160 bringup 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 | #include <linux/delay.h> |
| 33 | #include <linux/input.h> |
| 34 | |
| 35 | #include <asm/board.h> |
| 36 | #include <asm/machdep.h> |
| 37 | #include <asm/ubicom32input.h> |
| 38 | |
| 39 | #ifdef CONFIG_SERIAL_UBI32_SERDES |
| 40 | #include <asm/ubicom32suart.h> |
| 41 | #endif |
| 42 | |
| 43 | /* |
| 44 | * Use ubicom32input driver to monitor the various pushbuttons on this board. |
| 45 | * |
| 46 | * WPS PD5 |
| 47 | * FACT_DEFAULT PD6 |
| 48 | * |
| 49 | * TODO: pick some ubicom understood EV_xxx define for WPS and Fact Default |
| 50 | */ |
| 51 | static struct ubicom32input_button ip7160bringup_ubicom32input_buttons[] = { |
| 52 | { |
| 53 | .type = EV_KEY, |
| 54 | .code = KEY_FN_F1, |
| 55 | .gpio = GPIO_RD_5, |
| 56 | .desc = "WPS", |
| 57 | .active_low = 1, |
| 58 | }, |
| 59 | { |
| 60 | .type = EV_KEY, |
| 61 | .code = KEY_FN_F2, |
| 62 | .gpio = GPIO_RD_6, |
| 63 | .desc = "Factory Default", |
| 64 | .active_low = 1, |
| 65 | }, |
| 66 | }; |
| 67 | |
| 68 | static struct ubicom32input_platform_data ip7160bringup_ubicom32input_data = { |
| 69 | .buttons = ip7160bringup_ubicom32input_buttons, |
| 70 | .nbuttons = ARRAY_SIZE(ip7160bringup_ubicom32input_buttons), |
| 71 | }; |
| 72 | |
| 73 | static struct platform_device ip7160bringup_ubicom32input_device = { |
| 74 | .name = "ubicom32input", |
| 75 | .id = -1, |
| 76 | .dev = { |
| 77 | .platform_data = &ip7160bringup_ubicom32input_data, |
| 78 | }, |
| 79 | }; |
| 80 | |
| 81 | #ifdef CONFIG_SERIAL_UBI32_SERDES |
| 82 | static struct resource ip7160bringup_ubicom32_suart_resources[] = { |
| 83 | { |
| 84 | .start = RE, |
| 85 | .end = RE, |
| 86 | .flags = IORESOURCE_MEM, |
| 87 | }, |
| 88 | { |
| 89 | .start = PORT_OTHER_INT(RE), |
| 90 | .end = PORT_OTHER_INT(RE), |
| 91 | .flags = IORESOURCE_IRQ, |
| 92 | }, |
| 93 | { |
| 94 | .start = 250000000, |
| 95 | .end = 250000000, |
| 96 | .flags = UBICOM32_SUART_IORESOURCE_CLOCK, |
| 97 | }, |
| 98 | }; |
| 99 | |
| 100 | static struct platform_device ip7160bringup_ubicom32_suart_device = { |
| 101 | .name = "ubicom32suart", |
| 102 | .id = -1, |
| 103 | .num_resources = ARRAY_SIZE(ip7160bringup_ubicom32_suart_resources), |
| 104 | .resource = ip7160bringup_ubicom32_suart_resources, |
| 105 | }; |
| 106 | #endif |
| 107 | |
| 108 | /* |
| 109 | * List of all devices in our system |
| 110 | */ |
| 111 | static struct platform_device *ip7160bringup_devices[] __initdata = { |
| 112 | #ifdef CONFIG_SERIAL_UBI32_SERDES |
| 113 | &ip7160bringup_ubicom32_suart_device, |
| 114 | #endif |
| 115 | &ip7160bringup_ubicom32input_device, |
| 116 | }; |
| 117 | |
| 118 | /* |
| 119 | * ip7160bringup_init |
| 120 | * Called to add the devices which we have on this board |
| 121 | */ |
| 122 | static int __init ip7160bringup_init(void) |
| 123 | { |
| 124 | board_init(); |
| 125 | |
| 126 | ubi_gpio_init(); |
| 127 | |
| 128 | printk(KERN_INFO "%s: registering device resources\n", __FUNCTION__); |
| 129 | platform_add_devices(ip7160bringup_devices, ARRAY_SIZE(ip7160bringup_devices)); |
| 130 | |
| 131 | return 0; |
| 132 | } |
| 133 | |
| 134 | arch_initcall(ip7160bringup_init); |
| 135 | |