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/*
* ALFA Network R36A board support
*
* Copyright (C) 2018 Piotr Dymacz <pepe2k@gmail.com>
*
* 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/gpio.h>
#include <linux/platform_device.h>
#include <asm/mach-ath79/ath79.h>
#include <asm/mach-ath79/ar71xx_regs.h>
#include "common.h"
#include "dev-eth.h"
#include "dev-gpio-buttons.h"
#include "dev-leds-gpio.h"
#include "dev-m25p80.h"
#include "dev-usb.h"
#include "dev-wmac.h"
#include "machtypes.h"
#define R36A_GPIO_LED_LAN 4
#define R36A_GPIO_LED_STATUS 14
#define R36A_GPIO_LED_USB 12
#define R36A_GPIO_LED_WAN 16
#define R36A_GPIO_LED_WLAN 15
#define R36A_GPIO_WDT_EN 1
#define R36A_GPIO_WDT_IN 0
#define R36A_GPIO_USB_PWR 3
#define R36A_GPIO_BTN_RESET 2
#define R36A_GPIO_BTN_RFKILL 17
#define R36A_KEYS_POLL_INTERVAL 20
#define R36A_KEYS_DEBOUNCE_INTERVAL (3 * R36A_KEYS_POLL_INTERVAL)
#define R36A_WMAC_CALDATA_OFFSET 0x1000
static struct gpio_led r36a_leds_gpio[] __initdata = {
{
.name = "r36a:blue:lan",
.gpio = R36A_GPIO_LED_LAN,
.active_low = 1,
}, {
.name = "r36a:blue:status",
.gpio = R36A_GPIO_LED_STATUS,
.active_low = 1,
}, {
.name = "r36a:blue:usb",
.gpio = R36A_GPIO_LED_USB,
.active_low = 1,
}, {
.name = "r36a:blue:wan",
.gpio = R36A_GPIO_LED_WAN,
.active_low = 1,
}, {
.name = "r36a:blue:wlan",
.gpio = R36A_GPIO_LED_WLAN,
.active_low = 1,
},
};
static struct gpio_keys_button r36a_gpio_keys[] __initdata = {
{
.desc = "reset",
.type = EV_KEY,
.code = KEY_RESTART,
.debounce_interval = R36A_KEYS_DEBOUNCE_INTERVAL,
.gpio = R36A_GPIO_BTN_RESET,
.active_low = 1,
}, {
.desc = "rfkill",
.type = EV_KEY,
.code = KEY_RFKILL,
.debounce_interval = R36A_KEYS_DEBOUNCE_INTERVAL,
.gpio = R36A_GPIO_BTN_RFKILL,
.active_low = 1,
},
};
static void __init r36a_setup(void)
{
u8 *art = (u8 *) KSEG1ADDR(0x1f070000);
ath79_register_m25p80(NULL);
ath79_setup_ar933x_phy4_switch(false, false);
ath79_register_mdio(0, 0x0);
ath79_switch_data.phy4_mii_en = 1;
ath79_switch_data.phy_poll_mask = 0xf7;
/* LAN */
ath79_eth0_data.duplex = DUPLEX_FULL;
ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
ath79_eth0_data.phy_mask = BIT(4);
ath79_eth0_data.speed = SPEED_100;
ath79_init_mac(ath79_eth0_data.mac_addr, art, 0);
ath79_register_eth(0);
/* WAN */
ath79_eth1_data.duplex = DUPLEX_FULL;
ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
ath79_init_mac(ath79_eth1_data.mac_addr, art, 1);
ath79_register_eth(1);
/* Disable JTAG (enables GPIO0-3) */
ath79_gpio_function_enable(AR934X_GPIO_FUNC_JTAG_DISABLE);
ath79_register_leds_gpio(-1, ARRAY_SIZE(r36a_leds_gpio),
r36a_leds_gpio);
ath79_register_gpio_keys_polled(-1, R36A_KEYS_POLL_INTERVAL,
ARRAY_SIZE(r36a_gpio_keys),
r36a_gpio_keys);
gpio_request_one(R36A_GPIO_WDT_IN,
GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED,
"WDT input");
gpio_request_one(R36A_GPIO_WDT_EN,
GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED,
"WDT enable");
gpio_request_one(R36A_GPIO_USB_PWR,
GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
"USB power");
ath79_register_wmac(art + R36A_WMAC_CALDATA_OFFSET, NULL);
ath79_register_usb();
}
MIPS_MACHINE(ATH79_MACH_R36A, "R36A", "ALFA Network R36A", r36a_setup);
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