2 * EnGenius ESR1750 board support
4 * Copyright (c) 2014 Jon Suphammer <jon@suphammer.net>
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published
8 * by the Free Software Foundation.
11 #include <linux/platform_device.h>
12 #include <linux/ar8216_platform.h>
14 #include <asm/mach-ath79/ar71xx_regs.h>
18 #include "dev-ap9x-pci.h"
19 #include "dev-gpio-buttons.h"
21 #include "dev-leds-gpio.h"
22 #include "dev-m25p80.h"
25 #include "machtypes.h"
28 #define ESR1750_GPIO_LED_WLAN_5G 23
29 #define ESR1750_GPIO_LED_WLAN_2G 13
30 #define ESR1750_GPIO_LED_POWER_AMBER 2
31 #define ESR1750_GPIO_LED_WPS_AMBER 22
32 #define ESR1750_GPIO_LED_WPS_BLUE 19
34 #define ESR1750_GPIO_BTN_WPS 16
35 #define ESR1750_GPIO_BTN_RESET 17
37 #define ESR1750_KEYS_POLL_INTERVAL 20 /* msecs */
38 #define ESR1750_KEYS_DEBOUNCE_INTERVAL (3 * ESR1750_KEYS_POLL_INTERVAL)
40 #define ESR1750_CALDATA_ADDR 0x1fff0000
41 #define ESR1750_WMAC_CALDATA_OFFSET 0x1000
42 #define ESR1750_PCIE_CALDATA_OFFSET 0x5000
44 #define ESR1750_NVRAM_ADDR 0x1f030000
45 #define ESR1750_NVRAM_SIZE 0x10000
47 static struct gpio_led esr1750_leds_gpio[] __initdata = {
49 .name = "esr1750:amber:power",
50 .gpio = ESR1750_GPIO_LED_POWER_AMBER,
54 .name = "esr1750:blue:wps",
55 .gpio = ESR1750_GPIO_LED_WPS_BLUE,
59 .name = "esr1750:amber:wps",
60 .gpio = ESR1750_GPIO_LED_WPS_AMBER,
64 .name = "esr1750:blue:wlan-2g",
65 .gpio = ESR1750_GPIO_LED_WLAN_2G,
69 .name = "esr1750:blue:wlan-5g",
70 .gpio = ESR1750_GPIO_LED_WLAN_5G,
75 static struct gpio_keys_button esr1750_gpio_keys[] __initdata = {
79 .code = KEY_WPS_BUTTON,
80 .debounce_interval = ESR1750_KEYS_DEBOUNCE_INTERVAL,
81 .gpio = ESR1750_GPIO_BTN_WPS,
85 .desc = "Reset button",
88 .debounce_interval = ESR1750_KEYS_DEBOUNCE_INTERVAL,
89 .gpio = ESR1750_GPIO_BTN_RESET,
94 static struct ar8327_pad_cfg esr1750_ar8327_pad0_cfg = {
95 .mode = AR8327_PAD_MAC_RGMII,
96 .txclk_delay_en = true,
97 .rxclk_delay_en = true,
98 .txclk_delay_sel = AR8327_CLK_DELAY_SEL2,
99 .rxclk_delay_sel = AR8327_CLK_DELAY_SEL2,
100 .mac06_exchange_en = true,
103 static struct ar8327_platform_data esr1750_ar8327_data = {
104 .pad0_cfg = &esr1750_ar8327_pad0_cfg,
107 .speed = AR8327_PORT_SPEED_1000,
114 static struct mdio_board_info esr1750_mdio0_info[] = {
116 .bus_id = "ag71xx-mdio.0",
118 .platform_data = &esr1750_ar8327_data,
122 static int esr1750_get_mac(const char *name, char *mac)
124 u8 *nvram = (u8 *) KSEG1ADDR(ESR1750_NVRAM_ADDR);
127 err = ath79_nvram_parse_mac_addr(nvram, ESR1750_NVRAM_SIZE,
130 pr_err("no MAC address found for %s\n", name);
137 static void __init esr1750_setup(void)
139 u8 *caldata = (u8 *) KSEG1ADDR(ESR1750_CALDATA_ADDR);
142 ath79_register_m25p80(NULL);
144 ath79_register_leds_gpio(-1, ARRAY_SIZE(esr1750_leds_gpio),
146 ath79_register_gpio_keys_polled(-1, ESR1750_KEYS_POLL_INTERVAL,
147 ARRAY_SIZE(esr1750_gpio_keys),
150 ath79_register_usb();
152 ath79_setup_qca955x_eth_cfg(QCA955X_ETH_CFG_RGMII_EN);
154 ath79_register_mdio(0, 0x0);
156 mdiobus_register_board_info(esr1750_mdio0_info,
157 ARRAY_SIZE(esr1750_mdio0_info));
159 /* GMAC0 is connected to an QCA8327N switch */
160 ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
161 ath79_eth0_data.phy_mask = BIT(0);
162 ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
164 if (esr1750_get_mac("ethaddr=", mac1))
165 ath79_init_mac(ath79_eth0_data.mac_addr, mac1, 0);
167 ath79_eth0_pll_data.pll_1000 = 0xa6000000;
168 ath79_register_eth(0);
170 ath79_register_wmac(caldata + ESR1750_WMAC_CALDATA_OFFSET, mac1);
172 ath79_register_pci();
175 MIPS_MACHINE(ATH79_MACH_ESR1750, "ESR1750",