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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/delay.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#include <linux/spi/vsc7385.h>
#include <linux/i2c.h>
#include <linux/i2c-gpio.h>
#include <linux/i2c/pcf857x.h>
#include <asm/mach-ar71xx/ar71xx.h>
#include "machtype.h"
#include "devices.h"
#include "dev-pb42-pci.h"
#include "dev-gpio-buttons.h"
#include "dev-leds-gpio.h"
#include "dev-usb.h"
#define PB44_PCF8757_VSC7395_CS 0
#define PB44_PCF8757_STEREO_CS 1
#define PB44_PCF8757_SLIC_CS0 2
#define PB44_PCF8757_SLIC_TEST 3
#define PB44_PCF8757_SLIC_INT0 4
#define PB44_PCF8757_SLIC_INT1 5
#define PB44_PCF8757_SW_RESET 6
#define PB44_PCF8757_SW_JUMP 8
#define PB44_PCF8757_LED_JUMP1 9
#define PB44_PCF8757_LED_JUMP2 10
#define PB44_PCF8757_TP24 11
#define PB44_PCF8757_TP25 12
#define PB44_PCF8757_TP26 13
#define PB44_PCF8757_TP27 14
#define PB44_PCF8757_TP28 15
#define PB44_GPIO_I2C_SCL 0
#define PB44_GPIO_I2C_SDA 1
#define PB44_GPIO_EXP_BASE 16
#define PB44_GPIO_VSC7395_CS (PB44_GPIO_EXP_BASE + PB44_PCF8757_VSC7395_CS)
#define PB44_GPIO_SW_RESET (PB44_GPIO_EXP_BASE + PB44_PCF8757_SW_RESET)
#define PB44_GPIO_SW_JUMP (PB44_GPIO_EXP_BASE + PB44_PCF8757_SW_JUMP)
#define PB44_GPIO_LED_JUMP1 (PB44_GPIO_EXP_BASE + PB44_PCF8757_LED_JUMP1)
#define PB44_GPIO_LED_JUMP2 (PB44_GPIO_EXP_BASE + PB44_PCF8757_LED_JUMP2)
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,
},
};
static struct gpio_led pb44_leds_gpio[] __initdata = {
{
.name = "pb44:amber:jump1",
.gpio = PB44_GPIO_LED_JUMP1,
.active_low = 1,
}, {
.name = "pb44:green:jump2",
.gpio = PB44_GPIO_LED_JUMP2,
.active_low = 1,
},
};
static struct gpio_button pb44_gpio_buttons[] __initdata = {
{
.desc = "soft_reset",
.type = EV_KEY,
.code = KEY_RESTART,
.threshold = 3,
.gpio = PB44_GPIO_SW_RESET,
.active_low = 1,
} , {
.desc = "jumpstart",
.type = EV_KEY,
.code = KEY_WPS_BUTTON,
.threshold = 3,
.gpio = PB44_GPIO_SW_JUMP,
.active_low = 1,
}
};
static void pb44_vsc7395_reset(void)
{
ar71xx_device_stop(RESET_MODULE_GE1_PHY);
udelay(10);
ar71xx_device_start(RESET_MODULE_GE1_PHY);
mdelay(50);
}
static struct vsc7385_platform_data pb44_vsc7395_data = {
.reset = pb44_vsc7395_reset,
.ucode_name = "vsc7395_ucode_pb44.bin",
.mac_cfg = {
.tx_ipg = 6,
.bit2 = 1,
.clk_sel = 0,
},
};
static struct spi_board_info pb44_spi_info[] = {
{
.bus_num = 0,
.chip_select = 0,
.max_speed_hz = 25000000,
.modalias = "m25p80",
}, {
.bus_num = 0,
.chip_select = 1,
.max_speed_hz = 25000000,
.modalias = "spi-vsc7385",
.platform_data = &pb44_vsc7395_data,
.controller_data = (void *) PB44_GPIO_VSC7395_CS,
},
};
static struct resource pb44_spi_resources[] = {
[0] = {
.start = AR71XX_SPI_BASE,
.end = AR71XX_SPI_BASE + AR71XX_SPI_SIZE - 1,
.flags = IORESOURCE_MEM,
},
};
static struct ar71xx_spi_platform_data pb44_spi_data = {
.bus_num = 0,
.num_chipselect = 2,
};
static struct platform_device pb44_spi_device = {
.name = "pb44-spi",
.id = -1,
.resource = pb44_spi_resources,
.num_resources = ARRAY_SIZE(pb44_spi_resources),
.dev = {
.platform_data = &pb44_spi_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_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.speed = SPEED_1000;
ar71xx_eth1_data.duplex = DUPLEX_FULL;
ar71xx_eth1_pll_data.pll_1000 = 0x110000;
ar71xx_add_device_eth(1);
ar71xx_add_device_usb();
pb42_pci_init();
i2c_register_board_info(0, pb44_i2c_board_info,
ARRAY_SIZE(pb44_i2c_board_info));
platform_device_register(&pb44_i2c_gpio_device);
spi_register_board_info(pb44_spi_info, ARRAY_SIZE(pb44_spi_info));
platform_device_register(&pb44_spi_device);
ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(pb44_leds_gpio),
pb44_leds_gpio);
ar71xx_add_device_gpio_buttons(-1, 20, ARRAY_SIZE(pb44_gpio_buttons),
pb44_gpio_buttons);
}
MIPS_MACHINE(AR71XX_MACH_PB44, "PB44", "Atheros PB44", pb44_init);
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