2 * ALFA Network R36A board support
4 * Copyright (C) 2018 Piotr Dymacz <pepe2k@gmail.com>
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/gpio.h>
12 #include <linux/platform_device.h>
14 #include <asm/mach-ath79/ath79.h>
15 #include <asm/mach-ath79/ar71xx_regs.h>
19 #include "dev-gpio-buttons.h"
20 #include "dev-leds-gpio.h"
21 #include "dev-m25p80.h"
24 #include "machtypes.h"
26 #define R36A_GPIO_LED_LAN 4
27 #define R36A_GPIO_LED_STATUS 14
28 #define R36A_GPIO_LED_USB 12
29 #define R36A_GPIO_LED_WAN 16
30 #define R36A_GPIO_LED_WLAN 15
32 #define R36A_GPIO_WDT_EN 1
33 #define R36A_GPIO_WDT_IN 0
34 #define R36A_GPIO_USB_PWR 3
36 #define R36A_GPIO_BTN_RESET 2
37 #define R36A_GPIO_BTN_RFKILL 17
39 #define R36A_KEYS_POLL_INTERVAL 20
40 #define R36A_KEYS_DEBOUNCE_INTERVAL (3 * R36A_KEYS_POLL_INTERVAL)
42 #define R36A_WMAC_CALDATA_OFFSET 0x1000
44 static struct gpio_led r36a_leds_gpio
[] __initdata
= {
46 .name
= "r36a:blue:lan",
47 .gpio
= R36A_GPIO_LED_LAN
,
50 .name
= "r36a:blue:status",
51 .gpio
= R36A_GPIO_LED_STATUS
,
54 .name
= "r36a:blue:usb",
55 .gpio
= R36A_GPIO_LED_USB
,
58 .name
= "r36a:blue:wan",
59 .gpio
= R36A_GPIO_LED_WAN
,
62 .name
= "r36a:blue:wlan",
63 .gpio
= R36A_GPIO_LED_WLAN
,
68 static struct gpio_keys_button r36a_gpio_keys
[] __initdata
= {
73 .debounce_interval
= R36A_KEYS_DEBOUNCE_INTERVAL
,
74 .gpio
= R36A_GPIO_BTN_RESET
,
80 .debounce_interval
= R36A_KEYS_DEBOUNCE_INTERVAL
,
81 .gpio
= R36A_GPIO_BTN_RFKILL
,
86 static void __init
r36a_setup(void)
88 u8
*art
= (u8
*) KSEG1ADDR(0x1f070000);
90 ath79_register_m25p80(NULL
);
92 ath79_setup_ar933x_phy4_switch(false, false);
94 ath79_register_mdio(0, 0x0);
96 ath79_switch_data
.phy4_mii_en
= 1;
97 ath79_switch_data
.phy_poll_mask
= 0xf7;
100 ath79_eth0_data
.duplex
= DUPLEX_FULL
;
101 ath79_eth0_data
.phy_if_mode
= PHY_INTERFACE_MODE_MII
;
102 ath79_eth0_data
.phy_mask
= BIT(4);
103 ath79_eth0_data
.speed
= SPEED_100
;
104 ath79_init_mac(ath79_eth0_data
.mac_addr
, art
, 0);
105 ath79_register_eth(0);
108 ath79_eth1_data
.duplex
= DUPLEX_FULL
;
109 ath79_eth1_data
.phy_if_mode
= PHY_INTERFACE_MODE_GMII
;
110 ath79_init_mac(ath79_eth1_data
.mac_addr
, art
, 1);
111 ath79_register_eth(1);
113 /* Disable JTAG (enables GPIO0-3) */
114 ath79_gpio_function_enable(AR934X_GPIO_FUNC_JTAG_DISABLE
);
116 ath79_register_leds_gpio(-1, ARRAY_SIZE(r36a_leds_gpio
),
119 ath79_register_gpio_keys_polled(-1, R36A_KEYS_POLL_INTERVAL
,
120 ARRAY_SIZE(r36a_gpio_keys
),
123 gpio_request_one(R36A_GPIO_WDT_IN
,
124 GPIOF_OUT_INIT_LOW
| GPIOF_EXPORT_DIR_FIXED
,
127 gpio_request_one(R36A_GPIO_WDT_EN
,
128 GPIOF_OUT_INIT_LOW
| GPIOF_EXPORT_DIR_FIXED
,
131 gpio_request_one(R36A_GPIO_USB_PWR
,
132 GPIOF_OUT_INIT_HIGH
| GPIOF_EXPORT_DIR_FIXED
,
135 ath79_register_wmac(art
+ R36A_WMAC_CALDATA_OFFSET
, NULL
);
137 ath79_register_usb();
140 MIPS_MACHINE(ATH79_MACH_R36A
, "R36A", "ALFA Network R36A", r36a_setup
);