ar71xx: add support for the TRENDNet TEW-673GRU board
[openwrt.git] / target / linux / ar71xx / files-2.6.39 / arch / mips / ar71xx / mach-tew-673gru.c
1 /*
2  *  TRENDnet TEW-673GRU board support
3  *
4  *  Copyright (C) 2012 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/platform_device.h>
12 #include <linux/mtd/mtd.h>
13 #include <linux/mtd/partitions.h>
14 #include <linux/delay.h>
15 #include <linux/rtl8366.h>
16 #include <linux/spi/spi.h>
17 #include <linux/spi/spi_gpio.h>
18
19 #include <asm/mach-ar71xx/ar71xx.h>
20
21 #include "machtype.h"
22 #include "devices.h"
23 #include "dev-m25p80.h"
24 #include "dev-ap94-pci.h"
25 #include "dev-gpio-buttons.h"
26 #include "dev-leds-gpio.h"
27 #include "dev-usb.h"
28
29 #define TEW673GRU_GPIO_LCD_SCK          0
30 #define TEW673GRU_GPIO_LCD_MOSI         1
31 #define TEW673GRU_GPIO_LCD_MISO         2
32 #define TEW673GRU_GPIO_LCD_CS           6
33
34 #define TEW673GRU_GPIO_LED_WPS          9
35
36 #define TEW673GRU_GPIO_BTN_RESET        3
37 #define TEW673GRU_GPIO_BTN_WPS          8
38
39 #define TEW673GRU_GPIO_RTL8366_SDA      5
40 #define TEW673GRU_GPIO_RTL8366_SCK      7
41
42 #define TEW673GRU_KEYS_POLL_INTERVAL    20 /* msecs */
43 #define TEW673GRU_KEYS_DEBOUNCE_INTERVAL (3 * TEW673GRU_KEYS_POLL_INTERVAL)
44
45 #define TEW673GRU_CAL_LOCATION_0        0x1f661000
46 #define TEW673GRU_CAL_LOCATION_1        0x1f665000
47 #define TEW673GRU_MAC_LOCATION_0        0x1f66ffa0
48 #define TEW673GRU_MAC_LOCATION_1        0x1f66ffb4
49
50 #ifdef CONFIG_MTD_PARTITIONS
51 static struct mtd_partition tew673gru_partitions[] = {
52         {
53                 .name           = "uboot",
54                 .offset         = 0,
55                 .size           = 0x040000,
56                 .mask_flags     = MTD_WRITEABLE,
57         }, {
58                 .name           = "config",
59                 .offset         = 0x040000,
60                 .size           = 0x010000,
61                 .mask_flags     = MTD_WRITEABLE,
62         }, {
63                 .name           = "firmware",
64                 .offset         = 0x050000,
65                 .size           = 0x610000,
66         }, {
67                 .name           = "caldata",
68                 .offset         = 0x660000,
69                 .size           = 0x010000,
70                 .mask_flags     = MTD_WRITEABLE,
71         }, {
72                 .name           = "unknown",
73                 .offset         = 0x670000,
74                 .size           = 0x190000,
75                 .mask_flags     = MTD_WRITEABLE,
76         }
77 };
78 #endif /* CONFIG_MTD_PARTITIONS */
79
80 static struct flash_platform_data tew673gru_flash_data = {
81 #ifdef CONFIG_MTD_PARTITIONS
82         .parts          = tew673gru_partitions,
83         .nr_parts       = ARRAY_SIZE(tew673gru_partitions),
84 #endif
85 };
86
87 static struct gpio_led tew673gru_leds_gpio[] __initdata = {
88         {
89                 .name           = "trendnet:blue:wps",
90                 .gpio           = TEW673GRU_GPIO_LED_WPS,
91                 .active_low     = 1,
92         }
93 };
94
95 static struct gpio_keys_button tew673gru_gpio_keys[] __initdata = {
96         {
97                 .desc           = "reset",
98                 .type           = EV_KEY,
99                 .code           = KEY_RESTART,
100                 .debounce_interval = TEW673GRU_KEYS_DEBOUNCE_INTERVAL,
101                 .gpio           = TEW673GRU_GPIO_BTN_RESET,
102                 .active_low     = 1,
103         }, {
104                 .desc           = "wps",
105                 .type           = EV_KEY,
106                 .code           = KEY_WPS_BUTTON,
107                 .debounce_interval = TEW673GRU_KEYS_DEBOUNCE_INTERVAL,
108                 .gpio           = TEW673GRU_GPIO_BTN_WPS,
109                 .active_low     = 1,
110         }
111 };
112
113 static struct rtl8366_initval tew673gru_rtl8366s_initvals[] = {
114         { .reg = 0x06, .val = 0x0108 },
115 };
116
117 static struct rtl8366_platform_data tew673gru_rtl8366s_data = {
118         .gpio_sda       = TEW673GRU_GPIO_RTL8366_SDA,
119         .gpio_sck       = TEW673GRU_GPIO_RTL8366_SCK,
120         .num_initvals   = ARRAY_SIZE(tew673gru_rtl8366s_initvals),
121         .initvals       = tew673gru_rtl8366s_initvals,
122 };
123
124 static struct platform_device tew673gru_rtl8366s_device = {
125         .name           = RTL8366S_DRIVER_NAME,
126         .id             = -1,
127         .dev = {
128                 .platform_data  = &tew673gru_rtl8366s_data,
129         }
130 };
131
132 static struct spi_board_info tew673gru_spi_info[] = {
133         {
134                 .bus_num        = 1,
135                 .chip_select    = 0,
136                 .max_speed_hz   = 400000,
137                 .modalias       = "spidev",
138                 .mode           = SPI_MODE_2,
139                 .controller_data = (void *) TEW673GRU_GPIO_LCD_CS,
140         },
141 };
142
143 static struct spi_gpio_platform_data tew673gru_spi_data = {
144         .sck            = TEW673GRU_GPIO_LCD_SCK,
145         .miso           = TEW673GRU_GPIO_LCD_MISO,
146         .mosi           = TEW673GRU_GPIO_LCD_MOSI,
147         .num_chipselect = 1,
148 };
149
150 static struct platform_device tew673gru_spi_device = {
151         .name           = "spi_gpio",
152         .id             = 1,
153         .dev = {
154                 .platform_data = &tew673gru_spi_data,
155         },
156 };
157
158 static void tew673gru_read_ascii_mac(u8 *dest, unsigned int src_addr)
159 {
160         int ret;
161         u8 *src = (u8 *)KSEG1ADDR(src_addr);
162
163         ret = sscanf(src, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
164                      &dest[0], &dest[1], &dest[2],
165                      &dest[3], &dest[4], &dest[5]);
166
167         if (ret != ETH_ALEN) memset(dest, 0, ETH_ALEN);
168 }
169
170 static void __init tew673gru_setup(void)
171 {
172         u8 mac1[ETH_ALEN], mac2[ETH_ALEN];
173
174         tew673gru_read_ascii_mac(mac1, TEW673GRU_MAC_LOCATION_0);
175         tew673gru_read_ascii_mac(mac2, TEW673GRU_MAC_LOCATION_1);
176
177         ar71xx_add_device_mdio(0, 0x0);
178
179         ar71xx_init_mac(ar71xx_eth0_data.mac_addr, mac1, 2);
180         ar71xx_eth0_data.mii_bus_dev = &tew673gru_rtl8366s_device.dev;
181         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
182         ar71xx_eth0_data.speed = SPEED_1000;
183         ar71xx_eth0_data.duplex = DUPLEX_FULL;
184         ar71xx_eth0_pll_data.pll_1000 = 0x11110000;
185
186         ar71xx_init_mac(ar71xx_eth1_data.mac_addr, mac1, 3);
187         ar71xx_eth1_data.mii_bus_dev = &tew673gru_rtl8366s_device.dev;
188         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
189         ar71xx_eth1_data.phy_mask = 0x10;
190         ar71xx_eth1_pll_data.pll_1000 = 0x11110000;
191
192         ar71xx_add_device_eth(0);
193         ar71xx_add_device_eth(1);
194
195         ar71xx_add_device_m25p80(&tew673gru_flash_data);
196
197         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(tew673gru_leds_gpio),
198                                         tew673gru_leds_gpio);
199
200         ar71xx_register_gpio_keys_polled(-1, TEW673GRU_KEYS_POLL_INTERVAL,
201                                          ARRAY_SIZE(tew673gru_gpio_keys),
202                                          tew673gru_gpio_keys);
203
204         ar71xx_add_device_usb();
205
206         platform_device_register(&tew673gru_rtl8366s_device);
207
208         ap94_pci_setup_wmac_led_pin(0, 5);
209         ap94_pci_setup_wmac_led_pin(1, 5);
210
211         ap94_pci_init((u8 *) KSEG1ADDR(TEW673GRU_CAL_LOCATION_0), mac1,
212                       (u8 *) KSEG1ADDR(TEW673GRU_CAL_LOCATION_1), mac2);
213
214         spi_register_board_info(tew673gru_spi_info,
215                                 ARRAY_SIZE(tew673gru_spi_info));
216         platform_device_register(&tew673gru_spi_device);
217 }
218
219 MIPS_MACHINE(AR71XX_MACH_TEW_673GRU, "TEW-673GRU", "TRENDnet TEW-673GRU",
220              tew673gru_setup);