openwrt/target/linux/ar71xx/files/arch/mips/ath79/mach-eap120.c

127 lines
3.1 KiB
C

/*
* TP-LINK EAP120 board support
*
* Copyright (C) 2016 Henryk Heisig <hyniu@o2.pl>
*
* 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 <linux/platform_data/mdio-gpio.h>
#include <asm/mach-ath79/ath79.h>
#include <asm/mach-ath79/ar71xx_regs.h>
#include <linux/platform_data/phy-at803x.h>
#include "common.h"
#include "dev-eth.h"
#include "dev-gpio-buttons.h"
#include "dev-leds-gpio.h"
#include "dev-m25p80.h"
#include "dev-wmac.h"
#include "machtypes.h"
#define EAP120_GPIO_LED_RED 12
#define EAP120_GPIO_LED_YEL 13
#define EAP120_GPIO_LED_GRN 15
#define EAP120_GPIO_BTN_RESET 4
#define EAP120_KEYS_POLL_INTERVAL 20 /* msecs */
#define EAP120_KEYS_DEBOUNCE_INTERVAL (3 * EAP120_KEYS_POLL_INTERVAL)
#define EAP120_GPIO_SMI_MDIO 16
#define EAP120_GPIO_SMI_MDC 17
#define EAP120_LAN_PHYADDR 4
static struct gpio_led eap120_leds_gpio[] __initdata = {
{
.name = "eap120:red:system",
.gpio = EAP120_GPIO_LED_RED,
.active_low = 1,
}, {
.name = "eap120:yellow:system",
.gpio = EAP120_GPIO_LED_YEL,
.active_low = 1,
}, {
.name = "eap120:green:system",
.gpio = EAP120_GPIO_LED_GRN,
.active_low = 1,
},
};
static struct gpio_keys_button eap120_gpio_keys[] __initdata = {
{
.desc = "Reset button",
.type = EV_KEY,
.code = KEY_RESTART,
.debounce_interval = EAP120_KEYS_DEBOUNCE_INTERVAL,
.gpio = EAP120_GPIO_BTN_RESET,
.active_low = 1,
}
};
static struct mdio_gpio_platform_data eap120_mdio = {
.mdc = EAP120_GPIO_SMI_MDC,
.mdio = EAP120_GPIO_SMI_MDIO,
.phy_mask = ~BIT(EAP120_LAN_PHYADDR),
};
static struct at803x_platform_data eap120_ar8035_data = {
.disable_smarteee = 0,
.enable_rgmii_rx_delay = 1,
.enable_rgmii_tx_delay = 0,
.fixup_rgmii_tx_delay = 1,
};
static struct platform_device eap120_phy_device = {
.name = "mdio-gpio",
.id = 0,
.dev = {
.platform_data = &eap120_mdio, &eap120_ar8035_data
},
};
static void __init eap_setup(u8 *mac)
{
ath79_register_leds_gpio(-1, ARRAY_SIZE(eap120_leds_gpio),
eap120_leds_gpio);
ath79_register_gpio_keys_polled(1, EAP120_KEYS_POLL_INTERVAL,
ARRAY_SIZE(eap120_gpio_keys),
eap120_gpio_keys);
ath79_register_m25p80(NULL);
/* MDIO Interface */
platform_device_register(&eap120_phy_device);
ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0);
/* GMAC0 is connected to the RGMII interface to an Atheros AR8035-A */
ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
ath79_eth0_data.mii_bus_dev = &eap120_phy_device.dev;
ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
ath79_eth0_data.phy_mask = BIT(EAP120_LAN_PHYADDR);
ath79_eth0_pll_data.pll_1000 = 0x0e000000;
ath79_eth0_pll_data.pll_100 = 0x00000101;
ath79_eth0_pll_data.pll_10 = 0x00001313;
ath79_register_eth(0);
}
static void __init eap120_setup(void)
{
u8 *mac = (u8 *) KSEG1ADDR(0x1f030008);
u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
eap_setup(mac);
ath79_register_wmac(ee, mac);
}
MIPS_MACHINE(ATH79_MACH_EAP120, "EAP120", "TP-LINK EAP120",
eap120_setup);