2 * TRENDnet TEW-673GRU board support
4 * Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org>
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.
11 #include <linux/platform_device.h>
12 #include <linux/delay.h>
13 #include <linux/rtl8366.h>
14 #include <linux/spi/spi.h>
15 #include <linux/spi/spi_gpio.h>
17 #include <asm/mach-ath79/ath79.h>
19 #include "dev-ap9x-pci.h"
21 #include "dev-gpio-buttons.h"
22 #include "dev-leds-gpio.h"
23 #include "dev-m25p80.h"
25 #include "machtypes.h"
27 #define TEW673GRU_GPIO_LCD_SCK 0
28 #define TEW673GRU_GPIO_LCD_MOSI 1
29 #define TEW673GRU_GPIO_LCD_MISO 2
30 #define TEW673GRU_GPIO_LCD_CS 6
32 #define TEW673GRU_GPIO_LED_WPS 9
34 #define TEW673GRU_GPIO_BTN_RESET 3
35 #define TEW673GRU_GPIO_BTN_WPS 8
37 #define TEW673GRU_GPIO_RTL8366_SDA 5
38 #define TEW673GRU_GPIO_RTL8366_SCK 7
40 #define TEW673GRU_KEYS_POLL_INTERVAL 20 /* msecs */
41 #define TEW673GRU_KEYS_DEBOUNCE_INTERVAL (3 * TEW673GRU_KEYS_POLL_INTERVAL)
43 #define TEW673GRU_CAL0_OFFSET 0x1000
44 #define TEW673GRU_CAL1_OFFSET 0x5000
45 #define TEW673GRU_MAC0_OFFSET 0xffa0
46 #define TEW673GRU_MAC1_OFFSET 0xffb4
48 #define TEW673GRU_CAL_LOCATION_0 0x1f660000
49 #define TEW673GRU_CAL_LOCATION_1 0x1f7f0000
51 static struct gpio_led tew673gru_leds_gpio[] __initdata = {
53 .name = "trendnet:blue:wps",
54 .gpio = TEW673GRU_GPIO_LED_WPS,
59 static struct gpio_keys_button tew673gru_gpio_keys[] __initdata = {
64 .debounce_interval = TEW673GRU_KEYS_DEBOUNCE_INTERVAL,
65 .gpio = TEW673GRU_GPIO_BTN_RESET,
70 .code = KEY_WPS_BUTTON,
71 .debounce_interval = TEW673GRU_KEYS_DEBOUNCE_INTERVAL,
72 .gpio = TEW673GRU_GPIO_BTN_WPS,
77 static struct rtl8366_initval tew673gru_rtl8366s_initvals[] = {
78 { .reg = 0x06, .val = 0x0108 },
81 static struct rtl8366_platform_data tew673gru_rtl8366s_data = {
82 .gpio_sda = TEW673GRU_GPIO_RTL8366_SDA,
83 .gpio_sck = TEW673GRU_GPIO_RTL8366_SCK,
84 .num_initvals = ARRAY_SIZE(tew673gru_rtl8366s_initvals),
85 .initvals = tew673gru_rtl8366s_initvals,
88 static struct platform_device tew673gru_rtl8366s_device = {
89 .name = RTL8366S_DRIVER_NAME,
92 .platform_data = &tew673gru_rtl8366s_data,
96 static struct spi_board_info tew673gru_spi_info[] = {
100 .max_speed_hz = 400000,
101 .modalias = "spidev",
103 .controller_data = (void *) TEW673GRU_GPIO_LCD_CS,
107 static struct spi_gpio_platform_data tew673gru_spi_data = {
108 .sck = TEW673GRU_GPIO_LCD_SCK,
109 .miso = TEW673GRU_GPIO_LCD_MISO,
110 .mosi = TEW673GRU_GPIO_LCD_MOSI,
114 static struct platform_device tew673gru_spi_device = {
118 .platform_data = &tew673gru_spi_data,
122 static void tew673gru_read_ascii_mac(u8 *dest, u8 *src)
126 ret = sscanf(src, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
127 &dest[0], &dest[1], &dest[2],
128 &dest[3], &dest[4], &dest[5]);
131 memset(dest, 0, ETH_ALEN);
134 static bool __init tew673gru_is_caldata_valid(u8 *p)
136 u16 *magic0, *magic1;
138 magic0 = (u16 *)(p + TEW673GRU_CAL0_OFFSET);
139 magic1 = (u16 *)(p + TEW673GRU_CAL1_OFFSET);
141 return (*magic0 == 0xa55a && *magic1 == 0xa55a);
144 static void __init tew673gru_wlan_init(void)
146 u8 mac1[ETH_ALEN], mac2[ETH_ALEN];
149 caldata = (u8 *) KSEG1ADDR(TEW673GRU_CAL_LOCATION_0);
150 if (!tew673gru_is_caldata_valid(caldata)) {
151 caldata = (u8 *)KSEG1ADDR(TEW673GRU_CAL_LOCATION_1);
152 if (!tew673gru_is_caldata_valid(caldata)) {
153 pr_err("no calibration data found\n");
158 tew673gru_read_ascii_mac(mac1, caldata + TEW673GRU_MAC0_OFFSET);
159 tew673gru_read_ascii_mac(mac2, caldata + TEW673GRU_MAC1_OFFSET);
161 ath79_init_mac(ath79_eth0_data.mac_addr, mac1, 2);
162 ath79_init_mac(ath79_eth1_data.mac_addr, mac1, 3);
164 ap9x_pci_setup_wmac_led_pin(0, 5);
165 ap9x_pci_setup_wmac_led_pin(1, 5);
167 ap94_pci_init(caldata + TEW673GRU_CAL0_OFFSET, mac1,
168 caldata + TEW673GRU_CAL1_OFFSET, mac2);
171 static void __init tew673gru_setup(void)
173 tew673gru_wlan_init();
175 ath79_register_mdio(0, 0x0);
177 ath79_eth0_data.mii_bus_dev = &tew673gru_rtl8366s_device.dev;
178 ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
179 ath79_eth0_data.speed = SPEED_1000;
180 ath79_eth0_data.duplex = DUPLEX_FULL;
181 ath79_eth0_pll_data.pll_1000 = 0x11110000;
183 ath79_eth1_data.mii_bus_dev = &tew673gru_rtl8366s_device.dev;
184 ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
185 ath79_eth1_data.phy_mask = 0x10;
186 ath79_eth1_pll_data.pll_1000 = 0x11110000;
188 ath79_register_eth(0);
189 ath79_register_eth(1);
191 ath79_register_m25p80(NULL);
193 ath79_register_leds_gpio(-1, ARRAY_SIZE(tew673gru_leds_gpio),
194 tew673gru_leds_gpio);
196 ath79_register_gpio_keys_polled(-1, TEW673GRU_KEYS_POLL_INTERVAL,
197 ARRAY_SIZE(tew673gru_gpio_keys),
198 tew673gru_gpio_keys);
200 ath79_register_usb();
202 platform_device_register(&tew673gru_rtl8366s_device);
204 spi_register_board_info(tew673gru_spi_info,
205 ARRAY_SIZE(tew673gru_spi_info));
206 platform_device_register(&tew673gru_spi_device);
209 MIPS_MACHINE(ATH79_MACH_TEW_673GRU, "TEW-673GRU", "TRENDnet TEW-673GRU",