2 * Atheros PB44 reference board support
4 * Copyright (C) 2009-2010 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/platform_device.h>
13 #include <linux/i2c.h>
14 #include <linux/i2c-gpio.h>
15 #include <linux/i2c/pcf857x.h>
17 #include "machtypes.h"
18 #include "dev-leds-gpio.h"
20 #define PB44_GPIO_I2C_SCL 0
21 #define PB44_GPIO_I2C_SDA 1
23 #define PB44_GPIO_EXP_BASE 16
24 #define PB44_GPIO_LED_JUMP1 (PB44_GPIO_EXP_BASE + 9)
25 #define PB44_GPIO_LED_JUMP2 (PB44_GPIO_EXP_BASE + 10)
27 static struct i2c_gpio_platform_data pb44_i2c_gpio_data = {
28 .sda_pin = PB44_GPIO_I2C_SDA,
29 .scl_pin = PB44_GPIO_I2C_SCL,
32 static struct platform_device pb44_i2c_gpio_device = {
36 .platform_data = &pb44_i2c_gpio_data,
40 static struct pcf857x_platform_data pb44_pcf857x_data = {
41 .gpio_base = PB44_GPIO_EXP_BASE,
44 static struct i2c_board_info pb44_i2c_board_info[] __initdata = {
46 I2C_BOARD_INFO("pcf8575", 0x20),
47 .platform_data = &pb44_pcf857x_data,
51 static struct gpio_led pb44_leds_gpio[] __initdata = {
53 .name = "pb44:amber:jump1",
54 .gpio = PB44_GPIO_LED_JUMP1,
57 .name = "pb44:green:jump2",
58 .gpio = PB44_GPIO_LED_JUMP2,
63 static void __init pb44_init(void)
65 i2c_register_board_info(0, pb44_i2c_board_info,
66 ARRAY_SIZE(pb44_i2c_board_info));
67 platform_device_register(&pb44_i2c_gpio_device);
69 ath79_register_leds_gpio(-1, ARRAY_SIZE(pb44_leds_gpio),
73 MIPS_MACHINE(ATH79_MACH_PB44, "PB44", "Atheros PB44 reference board",