2 * TP-LINK EAP120 board support
4 * Copyright (C) 2016 Henryk Heisig <hyniu@o2.pl>
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>
13 #include <linux/platform_data/mdio-gpio.h>
14 #include <asm/mach-ath79/ath79.h>
15 #include <asm/mach-ath79/ar71xx_regs.h>
16 #include <linux/platform_data/phy-at803x.h>
20 #include "dev-gpio-buttons.h"
21 #include "dev-leds-gpio.h"
22 #include "dev-m25p80.h"
24 #include "machtypes.h"
27 #define EAP120_GPIO_LED_RED 12
28 #define EAP120_GPIO_LED_YEL 13
29 #define EAP120_GPIO_LED_GRN 15
30 #define EAP120_GPIO_BTN_RESET 4
32 #define EAP120_KEYS_POLL_INTERVAL 20 /* msecs */
33 #define EAP120_KEYS_DEBOUNCE_INTERVAL (3 * EAP120_KEYS_POLL_INTERVAL)
35 #define EAP120_GPIO_SMI_MDIO 16
36 #define EAP120_GPIO_SMI_MDC 17
38 #define EAP120_LAN_PHYADDR 4
40 static struct gpio_led eap120_leds_gpio
[] __initdata
= {
42 .name
= "eap120:red:system",
43 .gpio
= EAP120_GPIO_LED_RED
,
46 .name
= "eap120:yellow:system",
47 .gpio
= EAP120_GPIO_LED_YEL
,
50 .name
= "eap120:green:system",
51 .gpio
= EAP120_GPIO_LED_GRN
,
56 static struct gpio_keys_button eap120_gpio_keys
[] __initdata
= {
58 .desc
= "Reset button",
61 .debounce_interval
= EAP120_KEYS_DEBOUNCE_INTERVAL
,
62 .gpio
= EAP120_GPIO_BTN_RESET
,
67 static struct mdio_gpio_platform_data eap120_mdio
= {
68 .mdc
= EAP120_GPIO_SMI_MDC
,
69 .mdio
= EAP120_GPIO_SMI_MDIO
,
70 .phy_mask
= ~BIT(EAP120_LAN_PHYADDR
),
73 static struct at803x_platform_data eap120_ar8035_data
= {
74 .disable_smarteee
= 0,
75 .enable_rgmii_rx_delay
= 1,
76 .enable_rgmii_tx_delay
= 0,
77 .fixup_rgmii_tx_delay
= 1,
80 static struct platform_device eap120_phy_device
= {
84 .platform_data
= &eap120_mdio
, &eap120_ar8035_data
88 static void __init
eap_setup(u8
*mac
)
90 ath79_register_leds_gpio(-1, ARRAY_SIZE(eap120_leds_gpio
),
93 ath79_register_gpio_keys_polled(1, EAP120_KEYS_POLL_INTERVAL
,
94 ARRAY_SIZE(eap120_gpio_keys
),
97 ath79_register_m25p80(NULL
);
100 platform_device_register(&eap120_phy_device
);
101 ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0
);
103 /* GMAC0 is connected to the RGMII interface to an Atheros AR8035-A */
104 ath79_init_mac(ath79_eth0_data
.mac_addr
, mac
, 0);
105 ath79_eth0_data
.mii_bus_dev
= &eap120_phy_device
.dev
;
106 ath79_eth0_data
.phy_if_mode
= PHY_INTERFACE_MODE_RGMII
;
107 ath79_eth0_data
.phy_mask
= BIT(EAP120_LAN_PHYADDR
);
108 ath79_eth0_pll_data
.pll_1000
= 0x0e000000;
109 ath79_eth0_pll_data
.pll_100
= 0x00000101;
110 ath79_eth0_pll_data
.pll_10
= 0x00001313;
111 ath79_register_eth(0);
114 static void __init
eap120_setup(void)
116 u8
*mac
= (u8
*) KSEG1ADDR(0x1f030008);
117 u8
*ee
= (u8
*) KSEG1ADDR(0x1fff1000);
121 ath79_register_wmac(ee
, mac
);
124 MIPS_MACHINE(ATH79_MACH_EAP120
, "EAP120", "TP-LINK EAP120",