2 * Atheros PB44 board support
4 * Copyright (C) 2009 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/init.h>
12 #include <linux/bitops.h>
13 #include <linux/delay.h>
14 #include <linux/platform_device.h>
15 #include <linux/spi/spi.h>
16 #include <linux/spi/flash.h>
17 #include <linux/spi/vsc7385.h>
18 #include <linux/i2c.h>
19 #include <linux/i2c-gpio.h>
20 #include <linux/i2c/pcf857x.h>
22 #include <asm/mach-ar71xx/ar71xx.h>
26 #include "dev-pb42-pci.h"
27 #include "dev-gpio-buttons.h"
28 #include "dev-leds-gpio.h"
31 #define PB44_PCF8757_VSC7395_CS 0
32 #define PB44_PCF8757_STEREO_CS 1
33 #define PB44_PCF8757_SLIC_CS0 2
34 #define PB44_PCF8757_SLIC_TEST 3
35 #define PB44_PCF8757_SLIC_INT0 4
36 #define PB44_PCF8757_SLIC_INT1 5
37 #define PB44_PCF8757_SW_RESET 6
38 #define PB44_PCF8757_SW_JUMP 8
39 #define PB44_PCF8757_LED_JUMP1 9
40 #define PB44_PCF8757_LED_JUMP2 10
41 #define PB44_PCF8757_TP24 11
42 #define PB44_PCF8757_TP25 12
43 #define PB44_PCF8757_TP26 13
44 #define PB44_PCF8757_TP27 14
45 #define PB44_PCF8757_TP28 15
47 #define PB44_GPIO_I2C_SCL 0
48 #define PB44_GPIO_I2C_SDA 1
50 #define PB44_GPIO_EXP_BASE 16
51 #define PB44_GPIO_VSC7395_CS (PB44_GPIO_EXP_BASE + PB44_PCF8757_VSC7395_CS)
52 #define PB44_GPIO_SW_RESET (PB44_GPIO_EXP_BASE + PB44_PCF8757_SW_RESET)
53 #define PB44_GPIO_SW_JUMP (PB44_GPIO_EXP_BASE + PB44_PCF8757_SW_JUMP)
54 #define PB44_GPIO_LED_JUMP1 (PB44_GPIO_EXP_BASE + PB44_PCF8757_LED_JUMP1)
55 #define PB44_GPIO_LED_JUMP2 (PB44_GPIO_EXP_BASE + PB44_PCF8757_LED_JUMP2)
57 #define PB44_KEYS_POLL_INTERVAL 20 /* msecs */
58 #define PB44_KEYS_DEBOUNCE_INTERVAL (3 * PB44_KEYS_POLL_INTERVAL)
60 static struct i2c_gpio_platform_data pb44_i2c_gpio_data = {
61 .sda_pin = PB44_GPIO_I2C_SDA,
62 .scl_pin = PB44_GPIO_I2C_SCL,
65 static struct platform_device pb44_i2c_gpio_device = {
69 .platform_data = &pb44_i2c_gpio_data,
73 static struct pcf857x_platform_data pb44_pcf857x_data = {
74 .gpio_base = PB44_GPIO_EXP_BASE,
77 static struct i2c_board_info pb44_i2c_board_info[] __initdata = {
79 I2C_BOARD_INFO("pcf8575", 0x20),
80 .platform_data = &pb44_pcf857x_data,
84 static struct gpio_led pb44_leds_gpio[] __initdata = {
86 .name = "pb44:amber:jump1",
87 .gpio = PB44_GPIO_LED_JUMP1,
90 .name = "pb44:green:jump2",
91 .gpio = PB44_GPIO_LED_JUMP2,
96 static struct gpio_keys_button pb44_gpio_keys[] __initdata = {
101 .debounce_interval = PB44_KEYS_DEBOUNCE_INTERVAL,
102 .gpio = PB44_GPIO_SW_RESET,
107 .code = KEY_WPS_BUTTON,
108 .debounce_interval = PB44_KEYS_DEBOUNCE_INTERVAL,
109 .gpio = PB44_GPIO_SW_JUMP,
114 static void pb44_vsc7395_reset(void)
116 ar71xx_device_stop(RESET_MODULE_GE1_PHY);
118 ar71xx_device_start(RESET_MODULE_GE1_PHY);
122 static struct vsc7385_platform_data pb44_vsc7395_data = {
123 .reset = pb44_vsc7395_reset,
124 .ucode_name = "vsc7395_ucode_pb44.bin",
132 static struct spi_board_info pb44_spi_info[] = {
136 .max_speed_hz = 25000000,
137 .modalias = "m25p80",
141 .max_speed_hz = 25000000,
142 .modalias = "spi-vsc7385",
143 .platform_data = &pb44_vsc7395_data,
144 .controller_data = (void *) PB44_GPIO_VSC7395_CS,
148 static struct resource pb44_spi_resources[] = {
150 .start = AR71XX_SPI_BASE,
151 .end = AR71XX_SPI_BASE + AR71XX_SPI_SIZE - 1,
152 .flags = IORESOURCE_MEM,
156 static struct ar71xx_spi_platform_data pb44_spi_data = {
161 static struct platform_device pb44_spi_device = {
164 .resource = pb44_spi_resources,
165 .num_resources = ARRAY_SIZE(pb44_spi_resources),
167 .platform_data = &pb44_spi_data,
171 #define PB44_WAN_PHYMASK BIT(0)
172 #define PB44_LAN_PHYMASK 0
173 #define PB44_MDIO_PHYMASK (PB44_LAN_PHYMASK | PB44_WAN_PHYMASK)
175 static void __init pb44_init(void)
177 ar71xx_add_device_mdio(~PB44_MDIO_PHYMASK);
179 ar71xx_init_mac(ar71xx_eth0_data.mac_addr, ar71xx_mac_base, 0);
180 ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
181 ar71xx_eth0_data.phy_mask = PB44_WAN_PHYMASK;
183 ar71xx_add_device_eth(0);
185 ar71xx_init_mac(ar71xx_eth1_data.mac_addr, ar71xx_mac_base, 1);
186 ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
187 ar71xx_eth1_data.speed = SPEED_1000;
188 ar71xx_eth1_data.duplex = DUPLEX_FULL;
189 ar71xx_eth1_pll_data.pll_1000 = 0x110000;
191 ar71xx_add_device_eth(1);
193 ar71xx_add_device_usb();
197 i2c_register_board_info(0, pb44_i2c_board_info,
198 ARRAY_SIZE(pb44_i2c_board_info));
200 platform_device_register(&pb44_i2c_gpio_device);
202 spi_register_board_info(pb44_spi_info, ARRAY_SIZE(pb44_spi_info));
203 platform_device_register(&pb44_spi_device);
205 ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(pb44_leds_gpio),
208 ar71xx_register_gpio_keys_polled(-1, PB44_KEYS_POLL_INTERVAL,
209 ARRAY_SIZE(pb44_gpio_keys),
213 MIPS_MACHINE(AR71XX_MACH_PB44, "PB44", "Atheros PB44", pb44_init);