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127 lines
3.1 KiB
C
127 lines
3.1 KiB
C
/*
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* TP-LINK EAP120 board support
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*
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* Copyright (C) 2016 Henryk Heisig <hyniu@o2.pl>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*/
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#include <linux/gpio.h>
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#include <linux/platform_device.h>
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#include <linux/platform_data/mdio-gpio.h>
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#include <asm/mach-ath79/ath79.h>
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#include <asm/mach-ath79/ar71xx_regs.h>
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#include <linux/platform_data/phy-at803x.h>
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#include "common.h"
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#include "dev-eth.h"
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#include "dev-gpio-buttons.h"
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#include "dev-leds-gpio.h"
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#include "dev-m25p80.h"
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#include "dev-wmac.h"
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#include "machtypes.h"
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#define EAP120_GPIO_LED_RED 12
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#define EAP120_GPIO_LED_YEL 13
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#define EAP120_GPIO_LED_GRN 15
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#define EAP120_GPIO_BTN_RESET 4
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#define EAP120_KEYS_POLL_INTERVAL 20 /* msecs */
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#define EAP120_KEYS_DEBOUNCE_INTERVAL (3 * EAP120_KEYS_POLL_INTERVAL)
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#define EAP120_GPIO_SMI_MDIO 16
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#define EAP120_GPIO_SMI_MDC 17
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#define EAP120_LAN_PHYADDR 4
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static struct gpio_led eap120_leds_gpio[] __initdata = {
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{
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.name = "eap120:red:system",
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.gpio = EAP120_GPIO_LED_RED,
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.active_low = 1,
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}, {
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.name = "eap120:yellow:system",
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.gpio = EAP120_GPIO_LED_YEL,
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.active_low = 1,
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}, {
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.name = "eap120:green:system",
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.gpio = EAP120_GPIO_LED_GRN,
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.active_low = 1,
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},
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};
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static struct gpio_keys_button eap120_gpio_keys[] __initdata = {
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{
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.desc = "Reset button",
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.type = EV_KEY,
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.code = KEY_RESTART,
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.debounce_interval = EAP120_KEYS_DEBOUNCE_INTERVAL,
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.gpio = EAP120_GPIO_BTN_RESET,
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.active_low = 1,
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}
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};
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static struct mdio_gpio_platform_data eap120_mdio = {
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.mdc = EAP120_GPIO_SMI_MDC,
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.mdio = EAP120_GPIO_SMI_MDIO,
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.phy_mask = ~BIT(EAP120_LAN_PHYADDR),
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};
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static struct at803x_platform_data eap120_ar8035_data = {
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.disable_smarteee = 0,
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.enable_rgmii_rx_delay = 1,
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.enable_rgmii_tx_delay = 0,
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.fixup_rgmii_tx_delay = 1,
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};
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static struct platform_device eap120_phy_device = {
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.name = "mdio-gpio",
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.id = 0,
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.dev = {
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.platform_data = &eap120_mdio, &eap120_ar8035_data
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},
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};
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static void __init eap_setup(u8 *mac)
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{
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ath79_register_leds_gpio(-1, ARRAY_SIZE(eap120_leds_gpio),
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eap120_leds_gpio);
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ath79_register_gpio_keys_polled(1, EAP120_KEYS_POLL_INTERVAL,
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ARRAY_SIZE(eap120_gpio_keys),
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eap120_gpio_keys);
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ath79_register_m25p80(NULL);
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/* MDIO Interface */
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platform_device_register(&eap120_phy_device);
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ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0);
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/* GMAC0 is connected to the RGMII interface to an Atheros AR8035-A */
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ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
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ath79_eth0_data.mii_bus_dev = &eap120_phy_device.dev;
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ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
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ath79_eth0_data.phy_mask = BIT(EAP120_LAN_PHYADDR);
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ath79_eth0_pll_data.pll_1000 = 0x0e000000;
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ath79_eth0_pll_data.pll_100 = 0x00000101;
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ath79_eth0_pll_data.pll_10 = 0x00001313;
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ath79_register_eth(0);
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}
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static void __init eap120_setup(void)
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{
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u8 *mac = (u8 *) KSEG1ADDR(0x1f030008);
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u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
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eap_setup(mac);
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ath79_register_wmac(ee, mac);
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}
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MIPS_MACHINE(ATH79_MACH_EAP120, "EAP120", "TP-LINK EAP120",
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eap120_setup);
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