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/*
* Atheros PB44 board support
*
* Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*/
#include <linux/init.h>
#include <linux/bitops.h>
#include <linux/input.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#include <linux/i2c.h>
#include <linux/i2c-gpio.h>
#include <linux/i2c/pcf857x.h>
#include <asm/mips_machine.h>
#include <asm/mach-ar71xx/ar71xx.h>
#include <asm/mach-ar71xx/pci.h>
#include "devices.h"
#define PB44_GPIO_I2C_SCL 0
#define PB44_GPIO_I2C_SDA 1
#define PB44_GPIO_EXP_BASE 16
static struct spi_board_info pb44_spi_info[] = {
{
.bus_num = 0,
.chip_select = 0,
.max_speed_hz = 25000000,
.modalias = "m25p80",
}
};
static struct ar71xx_pci_irq pb44_pci_irqs[] __initdata = {
{
.slot = 0,
.pin = 1,
.irq = AR71XX_PCI_IRQ_DEV0,
}, {
.slot = 1,
.pin = 1,
.irq = AR71XX_PCI_IRQ_DEV1,
}, {
.slot = 2,
.pin = 1,
.irq = AR71XX_PCI_IRQ_DEV2,
}
};
static struct i2c_gpio_platform_data pb44_i2c_gpio_data = {
.sda_pin = PB44_GPIO_I2C_SDA,
.scl_pin = PB44_GPIO_I2C_SCL,
};
static struct platform_device pb44_i2c_gpio_device = {
.name = "i2c-gpio",
.id = 0,
.dev = {
.platform_data = &pb44_i2c_gpio_data,
}
};
static struct pcf857x_platform_data pb44_pcf857x_data = {
.gpio_base = PB44_GPIO_EXP_BASE,
};
static struct i2c_board_info pb44_i2c_board_info[] __initdata = {
{
I2C_BOARD_INFO("pcf8575", 0x20),
.platform_data = &pb44_pcf857x_data,
},
};
#define PB44_WAN_PHYMASK BIT(0)
#define PB44_LAN_PHYMASK 0
#define PB44_MDIO_PHYMASK (PB44_LAN_PHYMASK | PB44_WAN_PHYMASK)
static void __init pb44_init(void)
{
ar71xx_add_device_spi(NULL, pb44_spi_info,
ARRAY_SIZE(pb44_spi_info));
ar71xx_add_device_mdio(~PB44_MDIO_PHYMASK);
ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
ar71xx_eth0_data.phy_mask = PB44_WAN_PHYMASK;
ar71xx_add_device_eth(0);
ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
ar71xx_eth1_data.phy_mask = PB44_LAN_PHYMASK;
ar71xx_eth1_data.speed = SPEED_1000;
ar71xx_eth1_data.duplex = DUPLEX_FULL;
ar71xx_add_device_eth(1);
ar71xx_add_device_usb();
ar71xx_pci_init(ARRAY_SIZE(pb44_pci_irqs), pb44_pci_irqs);
i2c_register_board_info(0, pb44_i2c_board_info,
ARRAY_SIZE(pb44_i2c_board_info));
platform_device_register(&pb44_i2c_gpio_device);
/* TODO: GPIO LEDs & buttons */
}
MIPS_MACHINE(AR71XX_MACH_PB44, "Atheros PB44", pb44_init);
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