ar71xx: use the gpio_keys_polled driver instead of gpio_buttons
[openwrt/svn-archive/archive.git] / target / linux / ar71xx / files / arch / mips / ar71xx / mach-ap83.c
1 /*
2 * Atheros AP83 board support
3 *
4 * Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
5 * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 as published
9 * by the Free Software Foundation.
10 */
11
12 #include <linux/delay.h>
13 #include <linux/platform_device.h>
14 #include <linux/mtd/mtd.h>
15 #include <linux/mtd/partitions.h>
16 #include <linux/spi/spi.h>
17 #include <linux/spi/spi_gpio.h>
18 #include <linux/spi/vsc7385.h>
19
20 #include <asm/mach-ar71xx/ar71xx.h>
21 #include <asm/mach-ar71xx/ar91xx_flash.h>
22
23 #include "machtype.h"
24 #include "devices.h"
25 #include "dev-ar9xxx-wmac.h"
26 #include "dev-gpio-buttons.h"
27 #include "dev-leds-gpio.h"
28 #include "dev-usb.h"
29
30 #define AP83_GPIO_LED_WLAN 6
31 #define AP83_GPIO_LED_POWER 14
32 #define AP83_GPIO_LED_JUMPSTART 15
33 #define AP83_GPIO_BTN_JUMPSTART 12
34 #define AP83_GPIO_BTN_RESET 21
35
36 #define AP83_050_GPIO_VSC7385_CS 1
37 #define AP83_050_GPIO_VSC7385_MISO 3
38 #define AP83_050_GPIO_VSC7385_MOSI 16
39 #define AP83_050_GPIO_VSC7385_SCK 17
40
41 #define AP83_KEYS_POLL_INTERVAL 20 /* msecs */
42 #define AP83_KEYS_DEBOUNCE_INTERVAL (3 * AP83_KEYS_POLL_INTERVAL)
43
44 #ifdef CONFIG_MTD_PARTITIONS
45 static struct mtd_partition ap83_flash_partitions[] = {
46 {
47 .name = "u-boot",
48 .offset = 0,
49 .size = 0x040000,
50 .mask_flags = MTD_WRITEABLE,
51 }, {
52 .name = "u-boot-env",
53 .offset = 0x040000,
54 .size = 0x020000,
55 .mask_flags = MTD_WRITEABLE,
56 }, {
57 .name = "kernel",
58 .offset = 0x060000,
59 .size = 0x140000,
60 }, {
61 .name = "rootfs",
62 .offset = 0x1a0000,
63 .size = 0x650000,
64 }, {
65 .name = "art",
66 .offset = 0x7f0000,
67 .size = 0x010000,
68 .mask_flags = MTD_WRITEABLE,
69 }, {
70 .name = "firmware",
71 .offset = 0x060000,
72 .size = 0x790000,
73 }
74 };
75 #endif /* CONFIG_MTD_PARTITIONS */
76
77 static struct ar91xx_flash_platform_data ap83_flash_data = {
78 .width = 2,
79 #ifdef CONFIG_MTD_PARTITIONS
80 .parts = ap83_flash_partitions,
81 .nr_parts = ARRAY_SIZE(ap83_flash_partitions),
82 #endif
83 };
84
85 static struct resource ap83_flash_resources[] = {
86 [0] = {
87 .start = AR71XX_SPI_BASE,
88 .end = AR71XX_SPI_BASE + AR71XX_SPI_SIZE - 1,
89 .flags = IORESOURCE_MEM,
90 },
91 };
92
93 static struct platform_device ap83_flash_device = {
94 .name = "ar91xx-flash",
95 .id = -1,
96 .resource = ap83_flash_resources,
97 .num_resources = ARRAY_SIZE(ap83_flash_resources),
98 .dev = {
99 .platform_data = &ap83_flash_data,
100 }
101 };
102
103 static struct gpio_led ap83_leds_gpio[] __initdata = {
104 {
105 .name = "ap83:green:jumpstart",
106 .gpio = AP83_GPIO_LED_JUMPSTART,
107 .active_low = 0,
108 }, {
109 .name = "ap83:green:power",
110 .gpio = AP83_GPIO_LED_POWER,
111 .active_low = 0,
112 }, {
113 .name = "ap83:green:wlan",
114 .gpio = AP83_GPIO_LED_WLAN,
115 .active_low = 0,
116 },
117 };
118
119 static struct gpio_keys_button ap83_gpio_keys[] __initdata = {
120 {
121 .desc = "soft_reset",
122 .type = EV_KEY,
123 .code = KEY_RESTART,
124 .debounce_interval = AP83_KEYS_DEBOUNCE_INTERVAL,
125 .gpio = AP83_GPIO_BTN_RESET,
126 .active_low = 1,
127 }, {
128 .desc = "jumpstart",
129 .type = EV_KEY,
130 .code = KEY_WPS_BUTTON,
131 .debounce_interval = AP83_KEYS_DEBOUNCE_INTERVAL,
132 .gpio = AP83_GPIO_BTN_JUMPSTART,
133 .active_low = 1,
134 }
135 };
136
137 static struct resource ap83_040_spi_resources[] = {
138 [0] = {
139 .start = AR71XX_SPI_BASE,
140 .end = AR71XX_SPI_BASE + AR71XX_SPI_SIZE - 1,
141 .flags = IORESOURCE_MEM,
142 },
143 };
144
145 static struct platform_device ap83_040_spi_device = {
146 .name = "ap83-spi",
147 .id = 0,
148 .resource = ap83_040_spi_resources,
149 .num_resources = ARRAY_SIZE(ap83_040_spi_resources),
150 };
151
152 static struct spi_gpio_platform_data ap83_050_spi_data = {
153 .miso = AP83_050_GPIO_VSC7385_MISO,
154 .mosi = AP83_050_GPIO_VSC7385_MOSI,
155 .sck = AP83_050_GPIO_VSC7385_SCK,
156 .num_chipselect = 1,
157 };
158
159 static struct platform_device ap83_050_spi_device = {
160 .name = "spi_gpio",
161 .id = 0,
162 .dev = {
163 .platform_data = &ap83_050_spi_data,
164 }
165 };
166
167 static void ap83_vsc7385_reset(void)
168 {
169 ar71xx_device_stop(RESET_MODULE_GE1_PHY);
170 udelay(10);
171 ar71xx_device_start(RESET_MODULE_GE1_PHY);
172 mdelay(50);
173 }
174
175 static struct vsc7385_platform_data ap83_vsc7385_data = {
176 .reset = ap83_vsc7385_reset,
177 .ucode_name = "vsc7385_ucode_ap83.bin",
178 .mac_cfg = {
179 .tx_ipg = 6,
180 .bit2 = 0,
181 .clk_sel = 3,
182 },
183 };
184
185 static struct spi_board_info ap83_spi_info[] = {
186 {
187 .bus_num = 0,
188 .chip_select = 0,
189 .max_speed_hz = 25000000,
190 .modalias = "spi-vsc7385",
191 .platform_data = &ap83_vsc7385_data,
192 .controller_data = (void *) AP83_050_GPIO_VSC7385_CS,
193 }
194 };
195
196 static void __init ap83_generic_setup(void)
197 {
198 u8 *eeprom = (u8 *) KSEG1ADDR(0x1fff1000);
199
200 ar71xx_add_device_mdio(0xfffffffe);
201
202 ar71xx_init_mac(ar71xx_eth0_data.mac_addr, eeprom, 0);
203 ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
204 ar71xx_eth0_data.phy_mask = 0x1;
205
206 ar71xx_add_device_eth(0);
207
208 ar71xx_init_mac(ar71xx_eth1_data.mac_addr, eeprom, 1);
209 ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
210 ar71xx_eth1_data.speed = SPEED_1000;
211 ar71xx_eth1_data.duplex = DUPLEX_FULL;
212
213 ar71xx_eth1_pll_data.pll_1000 = 0x1f000000;
214
215 ar71xx_add_device_eth(1);
216
217 ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(ap83_leds_gpio),
218 ap83_leds_gpio);
219
220 ar71xx_register_gpio_keys_polled(-1, AP83_KEYS_POLL_INTERVAL,
221 ARRAY_SIZE(ap83_gpio_keys),
222 ap83_gpio_keys);
223
224 ar71xx_add_device_usb();
225
226 ar9xxx_add_device_wmac(eeprom, NULL);
227
228 platform_device_register(&ap83_flash_device);
229
230 spi_register_board_info(ap83_spi_info, ARRAY_SIZE(ap83_spi_info));
231 }
232
233 static void __init ap83_040_setup(void)
234 {
235 ap83_flash_data.is_shared = 1;
236 ap83_generic_setup();
237 platform_device_register(&ap83_040_spi_device);
238 }
239
240 static void __init ap83_050_setup(void)
241 {
242 ap83_generic_setup();
243 platform_device_register(&ap83_050_spi_device);
244 }
245
246 static void __init ap83_setup(void)
247 {
248 u8 *board_id = (u8 *) KSEG1ADDR(0x1fff1244);
249 unsigned int board_version;
250
251 board_version = (unsigned int)(board_id[0] - '0');
252 board_version += ((unsigned int)(board_id[1] - '0')) * 10;
253
254 switch (board_version) {
255 case 40:
256 ap83_040_setup();
257 break;
258 case 50:
259 ap83_050_setup();
260 break;
261 default:
262 printk(KERN_WARNING "AP83-%03u board is not yet supported\n",
263 board_version);
264 }
265 }
266
267 MIPS_MACHINE(AR71XX_MACH_AP83, "AP83", "Atheros AP83", ap83_setup);