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+/*
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+ * ALFA Network N5Q board support
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+ *
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+ * Copyright (C) 2018 Piotr Dymacz <[email protected]>
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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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+
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+#include <linux/gpio.h>
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+#include <linux/platform_device.h>
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+
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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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+
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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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+
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+#define N5Q_GPIO_LED_LAN 19
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+#define N5Q_GPIO_LED_SIGNAL1 0
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+#define N5Q_GPIO_LED_SIGNAL2 1
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+#define N5Q_GPIO_LED_SIGNAL3 2
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+#define N5Q_GPIO_LED_SIGNAL4 3
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+#define N5Q_GPIO_LED_WAN 18
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+#define N5Q_GPIO_LED_WLAN 12
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+
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+#define N5Q_GPIO_WDT_EN 16
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+#define N5Q_GPIO_WDT_IN 17
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+
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+#define N5Q_GPIO_BTN_RESET 11
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+
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+#define N5Q_MAC0_OFFSET 0
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+#define N5Q_MAC1_OFFSET 6
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+#define N5Q_WMAC_CALDATA_OFFSET 0x1000
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+
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+#define N5Q_KEYS_POLL_INTERVAL 20
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+#define N5Q_KEYS_DEBOUNCE_INTERVAL (3 * N5Q_KEYS_POLL_INTERVAL)
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+
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+static struct gpio_led n5q_leds_gpio[] __initdata = {
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+ {
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+ .name = "n5q:green:lan",
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+ .gpio = N5Q_GPIO_LED_LAN,
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+ .active_low = 1,
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+ }, {
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+ .name = "n5q:red:signal1",
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+ .gpio = N5Q_GPIO_LED_SIGNAL1,
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+ .active_low = 1,
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+ }, {
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+ .name = "n5q:orange:signal2",
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+ .gpio = N5Q_GPIO_LED_SIGNAL2,
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+ .active_low = 1,
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+ }, {
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+ .name = "n5q:green:signal3",
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+ .gpio = N5Q_GPIO_LED_SIGNAL3,
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+ .active_low = 1,
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+ }, {
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+ .name = "n5q:green:signal4",
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+ .gpio = N5Q_GPIO_LED_SIGNAL4,
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+ .active_low = 1,
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+ }, {
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+ .name = "n5q:green:wan",
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+ .gpio = N5Q_GPIO_LED_WAN,
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+ .active_low = 1,
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+ }, {
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+ .name = "n5q:green:wlan",
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+ .gpio = N5Q_GPIO_LED_WLAN,
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+ .active_low = 1,
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+ },
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+};
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+
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+static struct gpio_keys_button n5q_gpio_keys[] __initdata = {
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+ {
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+ .desc = "reset",
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+ .type = EV_KEY,
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+ .code = KEY_RESTART,
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+ .debounce_interval = N5Q_KEYS_DEBOUNCE_INTERVAL,
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+ .gpio = N5Q_GPIO_BTN_RESET,
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+ .active_low = 1,
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+ },
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+};
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+
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+static void __init n5q_setup(void)
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+{
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+ u8 *art = (u8 *) KSEG1ADDR(0x1f070000);
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+
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+ ath79_register_m25p80(NULL);
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+
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+ ath79_register_mdio(1, 0x0);
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+
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+ ath79_switch_data.phy4_mii_en = 1;
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+ ath79_switch_data.phy_poll_mask = 0xf7;
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+
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+ /* LAN */
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+ ath79_eth1_data.duplex = DUPLEX_FULL;
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+ ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
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+ ath79_init_mac(ath79_eth1_data.mac_addr, art + N5Q_MAC1_OFFSET, 0);
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+ ath79_register_eth(1);
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+
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+ /* WAN */
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+ ath79_eth0_data.duplex = DUPLEX_FULL;
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+ ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
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+ ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
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+ ath79_eth0_data.phy_mask = BIT(4);
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+ ath79_eth0_data.speed = SPEED_100;
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+ ath79_init_mac(ath79_eth0_data.mac_addr, art + N5Q_MAC0_OFFSET, 0);
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+ ath79_register_eth(0);
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+
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+ ath79_register_leds_gpio(-1, ARRAY_SIZE(n5q_leds_gpio),
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+ n5q_leds_gpio);
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+
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+ ath79_register_gpio_keys_polled(-1, N5Q_KEYS_POLL_INTERVAL,
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+ ARRAY_SIZE(n5q_gpio_keys),
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+ n5q_gpio_keys);
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+
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+ gpio_request_one(N5Q_GPIO_WDT_IN,
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+ GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED,
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+ "WDT input");
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+
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+ gpio_request_one(N5Q_GPIO_WDT_EN,
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+ GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED,
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+ "WDT enable");
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+
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+ ath79_register_wmac(art + N5Q_WMAC_CALDATA_OFFSET, NULL);
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+}
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+
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+MIPS_MACHINE(ATH79_MACH_N5Q, "N5Q", "ALFA Network N5Q", n5q_setup);
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Piotr Dymacz