src/kernel/linux/v4.19/arch/mips/ath79/mach-ap81.c

/*
 *  Atheros AP81 board support
 *
 *  Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
 *  Copyright (C) 2009 Imre Kaloz <kaloz@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 "machtypes.h"
#include "dev-wmac.h"
#include "dev-gpio-buttons.h"
#include "dev-leds-gpio.h"
#include "dev-spi.h"
#include "dev-usb.h"

#define AP81_GPIO_LED_STATUS	1
#define AP81_GPIO_LED_AOSS	3
#define AP81_GPIO_LED_WLAN	6
#define AP81_GPIO_LED_POWER	14

#define AP81_GPIO_BTN_SW4	12
#define AP81_GPIO_BTN_SW1	21

#define AP81_KEYS_POLL_INTERVAL		20	/* msecs */
#define AP81_KEYS_DEBOUNCE_INTERVAL	(3 * AP81_KEYS_POLL_INTERVAL)

#define AP81_CAL_DATA_ADDR	0x1fff1000

static struct gpio_led ap81_leds_gpio[] __initdata = {
	{
		.name		= "ap81:green:status",
		.gpio		= AP81_GPIO_LED_STATUS,
		.active_low	= 1,
	}, {
		.name		= "ap81:amber:aoss",
		.gpio		= AP81_GPIO_LED_AOSS,
		.active_low	= 1,
	}, {
		.name		= "ap81:green:wlan",
		.gpio		= AP81_GPIO_LED_WLAN,
		.active_low	= 1,
	}, {
		.name		= "ap81:green:power",
		.gpio		= AP81_GPIO_LED_POWER,
		.active_low	= 1,
	}
};

static struct gpio_keys_button ap81_gpio_keys[] __initdata = {
	{
		.desc		= "sw1",
		.type		= EV_KEY,
		.code		= BTN_0,
		.debounce_interval = AP81_KEYS_DEBOUNCE_INTERVAL,
		.gpio		= AP81_GPIO_BTN_SW1,
		.active_low	= 1,
	} , {
		.desc		= "sw4",
		.type		= EV_KEY,
		.code		= BTN_1,
		.debounce_interval = AP81_KEYS_DEBOUNCE_INTERVAL,
		.gpio		= AP81_GPIO_BTN_SW4,
		.active_low	= 1,
	}
};

static struct spi_board_info ap81_spi_info[] = {
	{
		.bus_num	= 0,
		.chip_select	= 0,
		.max_speed_hz	= 25000000,
		.modalias	= "m25p64",
	}
};

static struct ath79_spi_platform_data ap81_spi_data = {
	.bus_num	= 0,
	.num_chipselect = 1,
};

static void __init ap81_setup(void)
{
	u8 *cal_data = (u8 *) KSEG1ADDR(AP81_CAL_DATA_ADDR);

	ath79_register_leds_gpio(-1, ARRAY_SIZE(ap81_leds_gpio),
				 ap81_leds_gpio);
	ath79_register_gpio_keys_polled(-1, AP81_KEYS_POLL_INTERVAL,
					ARRAY_SIZE(ap81_gpio_keys),
					ap81_gpio_keys);
	ath79_register_spi(&ap81_spi_data, ap81_spi_info,
			   ARRAY_SIZE(ap81_spi_info));
	ath79_register_wmac(cal_data);
	ath79_register_usb();
}

MIPS_MACHINE(ATH79_MACH_AP81, "AP81", "Atheros AP81 reference board",
	     ap81_setup);