ramips: rt305x: add support for the Netcore NW718 board
[openwrt/svn-archive/archive.git] / target / linux / ramips / files / arch / mips / ralink / rt305x / mach-nw718.c
1 /*
2 * Netcore NW718 board support
3 *
4 * Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published
8 * by the Free Software Foundation.
9 */
10
11 #include <linux/init.h>
12 #include <linux/platform_device.h>
13 #include <linux/mtd/mtd.h>
14 #include <linux/mtd/partitions.h>
15 #include <linux/spi/spi.h>
16 #include <linux/spi/flash.h>
17
18 #include <asm/mach-ralink/machine.h>
19 #include <asm/mach-ralink/dev-gpio-buttons.h>
20 #include <asm/mach-ralink/dev-gpio-leds.h>
21 #include <asm/mach-ralink/rt305x.h>
22 #include <asm/mach-ralink/rt305x_regs.h>
23
24 #include "devices.h"
25
26 #define NW718_GPIO_LED_USB 8
27 #define NW718_GPIO_LED_CPU 13
28 #define NW718_GPIO_LED_WPS 14
29
30 #define NW718_GPIO_BUTTON_WPS 0
31 #define NW718_GPIO_BUTTON_RESET 10
32
33 #define NW718_GPIO_SPI_CS0 3
34 #define NW718_GPIO_SPI_SCK 4
35 #define NW718_GPIO_SPI_MOSI 5
36 #define NW718_GPIO_SPI_MISO 6
37
38 #define NW718_BUTTONS_POLL_INTERVAL 20
39
40 #ifdef CONFIG_MTD_PARTITIONS
41 static struct mtd_partition nw718_partitions[] = {
42 {
43 .name = "u-boot",
44 .offset = 0,
45 .size = 0x030000,
46 .mask_flags = MTD_WRITEABLE,
47 }, {
48 .name = "config",
49 .offset = 0x030000,
50 .size = 0x020000,
51 .mask_flags = MTD_WRITEABLE,
52 }, {
53 .name = "factory",
54 .offset = 0x050000,
55 .size = 0x010000,
56 .mask_flags = MTD_WRITEABLE,
57 }, {
58 .name = "kernel",
59 .offset = 0x060000,
60 .size = 0x090000,
61 }, {
62 .name = "rootfs",
63 .offset = 0x150000,
64 .size = 0x2b0000,
65 }, {
66 .name = "firmware",
67 .offset = 0x060000,
68 .size = 0x3a0000,
69 }
70 };
71 #define nw718_nr_parts ARRAY_SIZE(nw718_partitions)
72 #else
73 #define nw718_nr_parts 0
74 #define nw718_partitions NULL
75 #endif /* CONFIG_MTD_PARTITIONS */
76
77 static struct flash_platform_data nw718_flash_data = {
78 .nr_parts = nw718_nr_parts,
79 .parts = nw718_partitions,
80 };
81
82 static struct gpio_led nw718_leds_gpio[] __initdata = {
83 {
84 .name = "nw718:amber:cpu",
85 .gpio = NW718_GPIO_LED_CPU,
86 .active_low = 1,
87 }, {
88 .name = "nw718:amber:usb",
89 .gpio = NW718_GPIO_LED_USB,
90 .active_low = 1,
91 }, {
92 .name = "nw718:amber:wps",
93 .gpio = NW718_GPIO_LED_WPS,
94 .active_low = 1,
95 }
96 };
97
98 static struct gpio_button nw718_gpio_buttons[] __initdata = {
99 {
100 .desc = "reset",
101 .type = EV_KEY,
102 .code = KEY_RESTART,
103 .threshold = 3,
104 .gpio = NW718_GPIO_BUTTON_RESET,
105 .active_low = 1,
106 }, {
107 .desc = "wps",
108 .type = EV_KEY,
109 .code = KEY_WPS_BUTTON,
110 .threshold = 3,
111 .gpio = NW718_GPIO_BUTTON_WPS,
112 .active_low = 1,
113 }
114 };
115
116 static struct spi_board_info nw718_spi_info[] = {
117 {
118 .bus_num = 0,
119 .chip_select = 0,
120 .max_speed_hz = 25000000,
121 .modalias = "m25p80",
122 .platform_data = &nw718_flash_data,
123 .controller_data = (void *) NW718_GPIO_SPI_CS0,
124 }
125 };
126
127 static void __init nw718_init(void)
128 {
129 rt305x_gpio_init(RT305X_GPIO_MODE_I2C |
130 RT305X_GPIO_MODE_GPIO << RT305X_GPIO_MODE_UART0_SHIFT);
131
132 rt305x_register_ethernet();
133 ramips_register_gpio_leds(-1, ARRAY_SIZE(nw718_leds_gpio),
134 nw718_leds_gpio);
135 ramips_register_gpio_buttons(-1, NW718_BUTTONS_POLL_INTERVAL,
136 ARRAY_SIZE(nw718_gpio_buttons),
137 nw718_gpio_buttons);
138 rt305x_register_wifi();
139 rt305x_register_wdt();
140 rt305x_register_spi(nw718_spi_info, ARRAY_SIZE(nw718_spi_info));
141 }
142
143 MIPS_MACHINE(RAMIPS_MACH_WHR_G300N, "NW718", "Netcore NW718", nw718_init);