130c7706a6ef4920d993e7fe7f7dab0133d5c7f5
[openwrt/staging/lynxis.git] / target / linux / ar71xx / files / arch / mips / ath79 / mach-eap120.c
1 /*
2 * TP-LINK EAP120 board support
3 *
4 * Copyright (C) 2016 Henryk Heisig <hyniu@o2.pl>
5 *
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.
9 */
10
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>
17
18 #include "common.h"
19 #include "dev-eth.h"
20 #include "dev-gpio-buttons.h"
21 #include "dev-leds-gpio.h"
22 #include "dev-m25p80.h"
23 #include "dev-wmac.h"
24 #include "machtypes.h"
25
26
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
31
32 #define EAP120_KEYS_POLL_INTERVAL 20 /* msecs */
33 #define EAP120_KEYS_DEBOUNCE_INTERVAL (3 * EAP120_KEYS_POLL_INTERVAL)
34
35 #define EAP120_GPIO_SMI_MDIO 16
36 #define EAP120_GPIO_SMI_MDC 17
37
38 #define EAP120_LAN_PHYADDR 4
39
40 static struct gpio_led eap120_leds_gpio[] __initdata = {
41 {
42 .name = "eap120:red:system",
43 .gpio = EAP120_GPIO_LED_RED,
44 .active_low = 1,
45 }, {
46 .name = "eap120:yellow:system",
47 .gpio = EAP120_GPIO_LED_YEL,
48 .active_low = 1,
49 }, {
50 .name = "eap120:green:system",
51 .gpio = EAP120_GPIO_LED_GRN,
52 .active_low = 1,
53 },
54 };
55
56 static struct gpio_keys_button eap120_gpio_keys[] __initdata = {
57 {
58 .desc = "Reset button",
59 .type = EV_KEY,
60 .code = KEY_RESTART,
61 .debounce_interval = EAP120_KEYS_DEBOUNCE_INTERVAL,
62 .gpio = EAP120_GPIO_BTN_RESET,
63 .active_low = 1,
64 }
65 };
66
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),
71 };
72
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,
78 };
79
80 static struct platform_device eap120_phy_device = {
81 .name = "mdio-gpio",
82 .id = 0,
83 .dev = {
84 .platform_data = &eap120_mdio, &eap120_ar8035_data
85 },
86 };
87
88 static void __init eap_setup(u8 *mac)
89 {
90 ath79_register_leds_gpio(-1, ARRAY_SIZE(eap120_leds_gpio),
91 eap120_leds_gpio);
92
93 ath79_register_gpio_keys_polled(1, EAP120_KEYS_POLL_INTERVAL,
94 ARRAY_SIZE(eap120_gpio_keys),
95 eap120_gpio_keys);
96
97 ath79_register_m25p80(NULL);
98
99 /* MDIO Interface */
100 platform_device_register(&eap120_phy_device);
101 ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0);
102
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);
112 }
113
114 static void __init eap120_setup(void)
115 {
116 u8 *mac = (u8 *) KSEG1ADDR(0x1f030008);
117 u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
118
119 eap_setup(mac);
120
121 ath79_register_wmac(ee, mac);
122 }
123
124 MIPS_MACHINE(ATH79_MACH_EAP120, "EAP120", "TP-LINK EAP120",
125 eap120_setup);
126