mirror of
https://github.com/torvalds/linux.git
synced 2024-11-05 11:32:04 +00:00
1f3a92de2a
The PB44 reference board has two miniPCI slots. Register the PCI controller to make those usable. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/3502/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
123 lines
3.0 KiB
C
123 lines
3.0 KiB
C
/*
|
|
* Atheros PB44 reference board support
|
|
*
|
|
* Copyright (C) 2009-2010 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/platform_device.h>
|
|
#include <linux/i2c.h>
|
|
#include <linux/i2c-gpio.h>
|
|
#include <linux/i2c/pcf857x.h>
|
|
|
|
#include "machtypes.h"
|
|
#include "dev-gpio-buttons.h"
|
|
#include "dev-leds-gpio.h"
|
|
#include "dev-spi.h"
|
|
#include "dev-usb.h"
|
|
#include "pci.h"
|
|
|
|
#define PB44_GPIO_I2C_SCL 0
|
|
#define PB44_GPIO_I2C_SDA 1
|
|
|
|
#define PB44_GPIO_EXP_BASE 16
|
|
#define PB44_GPIO_SW_RESET (PB44_GPIO_EXP_BASE + 6)
|
|
#define PB44_GPIO_SW_JUMP (PB44_GPIO_EXP_BASE + 8)
|
|
#define PB44_GPIO_LED_JUMP1 (PB44_GPIO_EXP_BASE + 9)
|
|
#define PB44_GPIO_LED_JUMP2 (PB44_GPIO_EXP_BASE + 10)
|
|
|
|
#define PB44_KEYS_POLL_INTERVAL 20 /* msecs */
|
|
#define PB44_KEYS_DEBOUNCE_INTERVAL (3 * PB44_KEYS_POLL_INTERVAL)
|
|
|
|
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_keys_button pb44_gpio_keys[] __initdata = {
|
|
{
|
|
.desc = "soft_reset",
|
|
.type = EV_KEY,
|
|
.code = KEY_RESTART,
|
|
.debounce_interval = PB44_KEYS_DEBOUNCE_INTERVAL,
|
|
.gpio = PB44_GPIO_SW_RESET,
|
|
.active_low = 1,
|
|
} , {
|
|
.desc = "jumpstart",
|
|
.type = EV_KEY,
|
|
.code = KEY_WPS_BUTTON,
|
|
.debounce_interval = PB44_KEYS_DEBOUNCE_INTERVAL,
|
|
.gpio = PB44_GPIO_SW_JUMP,
|
|
.active_low = 1,
|
|
}
|
|
};
|
|
|
|
static struct spi_board_info pb44_spi_info[] = {
|
|
{
|
|
.bus_num = 0,
|
|
.chip_select = 0,
|
|
.max_speed_hz = 25000000,
|
|
.modalias = "m25p64",
|
|
},
|
|
};
|
|
|
|
static struct ath79_spi_platform_data pb44_spi_data = {
|
|
.bus_num = 0,
|
|
.num_chipselect = 1,
|
|
};
|
|
|
|
static void __init pb44_init(void)
|
|
{
|
|
i2c_register_board_info(0, pb44_i2c_board_info,
|
|
ARRAY_SIZE(pb44_i2c_board_info));
|
|
platform_device_register(&pb44_i2c_gpio_device);
|
|
|
|
ath79_register_leds_gpio(-1, ARRAY_SIZE(pb44_leds_gpio),
|
|
pb44_leds_gpio);
|
|
ath79_register_gpio_keys_polled(-1, PB44_KEYS_POLL_INTERVAL,
|
|
ARRAY_SIZE(pb44_gpio_keys),
|
|
pb44_gpio_keys);
|
|
ath79_register_spi(&pb44_spi_data, pb44_spi_info,
|
|
ARRAY_SIZE(pb44_spi_info));
|
|
ath79_register_usb();
|
|
ath79_register_pci();
|
|
}
|
|
|
|
MIPS_MACHINE(ATH79_MACH_PB44, "PB44", "Atheros PB44 reference board",
|
|
pb44_init);
|