f71275c0353f951d8e97bb801a33ee8aa1a316fe
[openwrt/openwrt.git] / target / linux / ar71xx / files / arch / mips / ath79 / mach-alfa-ap120c.c
1 /*
2 * ALFA Network AP120C board support
3 *
4 * Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org>
5 * Copyright (C) 2016 Luka Perkov <luka@openwrt.org>
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 as published
9 * by the Free Software Foundation.
10 */
11
12 #include <linux/init.h>
13 #include <linux/bitops.h>
14 #include <linux/gpio.h>
15 #include <linux/platform_device.h>
16 #include <linux/spi/spi.h>
17 #include <linux/ar8216_platform.h>
18 #include <linux/ath9k_platform.h>
19
20 #include <asm/mach-ath79/ath79.h>
21 #include <asm/mach-ath79/ar71xx_regs.h>
22
23 #include "common.h"
24 #include "dev-eth.h"
25 #include "dev-gpio-buttons.h"
26 #include "dev-leds-gpio.h"
27 #include "dev-m25p80.h"
28 #include "dev-spi.h"
29 #include "dev-ap9x-pci.h"
30 #include "dev-wmac.h"
31 #include "machtypes.h"
32
33 #define ALFA_AP120C_GPIO_LED 0
34
35 #define ALFA_AP120C_GPIO_BUTTON_WIFI 16
36
37 #define ALFA_AP120C_GPIO_WATCH_DOG 20
38
39 #define ALFA_AP120C_KEYS_POLL_INTERVAL 20 /* msecs */
40 #define ALFA_AP120C_KEYS_DEBOUNCE_INTERVAL (3 * ALFA_AP120C_KEYS_POLL_INTERVAL)
41
42 #define ALFA_AP120C_MAC_OFFSET 0x1002
43 #define ALFA_AP120C_CAL0_OFFSET 0x1000
44
45 static struct gpio_keys_button alfa_ap120c_gpio_keys[] __initdata = {
46 {
47 .desc = "Wireless button",
48 .type = EV_KEY,
49 .code = KEY_RFKILL,
50 .debounce_interval = ALFA_AP120C_KEYS_DEBOUNCE_INTERVAL,
51 .gpio = ALFA_AP120C_GPIO_BUTTON_WIFI,
52 .active_low = 1,
53 }
54 };
55
56 static struct gpio_led alfa_ap120c_leds_gpio[] __initdata = {
57 {
58 .name = "ap120c:red:wlan",
59 .gpio = ALFA_AP120C_GPIO_LED,
60 .active_low = 0,
61 }
62 };
63
64 static struct ar8327_pad_cfg ap120c_ar8327_pad0_cfg = {
65 .mode = AR8327_PAD_MAC_RGMII,
66 .txclk_delay_en = true,
67 .rxclk_delay_en = true,
68 .txclk_delay_sel = AR8327_CLK_DELAY_SEL1,
69 .rxclk_delay_sel = AR8327_CLK_DELAY_SEL2,
70 };
71
72 static struct ar8327_platform_data ap120c_ar8327_data = {
73 .pad0_cfg = &ap120c_ar8327_pad0_cfg,
74 .port0_cfg = {
75 .force_link = 1,
76 .speed = AR8327_PORT_SPEED_1000,
77 .duplex = 1,
78 .txpause = 1,
79 .rxpause = 1,
80 },
81 };
82
83 static struct mdio_board_info ap120c_mdio0_info[] = {
84 {
85 .bus_id = "ag71xx-mdio.0",
86 .phy_addr = 0,
87 .platform_data = &ap120c_ar8327_data,
88 },
89 };
90
91 static struct flash_platform_data flash __initdata = { NULL, NULL, 0 };
92
93 #define ALFA_AP120C_LAN_PHYMASK BIT(5)
94 #define ALFA_AP120C_MDIO_PHYMASK ALFA_AP120C_LAN_PHYMASK
95
96 static void __init alfa_ap120c_init(void)
97 {
98 u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
99 u8 mac[ETH_ALEN];
100
101 struct ath9k_platform_data *pdata;
102
103 ath79_register_leds_gpio(-1, ARRAY_SIZE(alfa_ap120c_leds_gpio),
104 alfa_ap120c_leds_gpio);
105 ath79_register_gpio_keys_polled(-1, ALFA_AP120C_KEYS_POLL_INTERVAL,
106 ARRAY_SIZE(alfa_ap120c_gpio_keys),
107 alfa_ap120c_gpio_keys);
108
109 ath79_gpio_function_enable(AR71XX_GPIO_FUNC_SPI_CS1_EN |
110 AR71XX_GPIO_FUNC_SPI_CS2_EN);
111
112 ath79_register_m25p80_multi(&flash);
113
114 ath79_init_mac(mac, art + ALFA_AP120C_MAC_OFFSET, 1);
115 ath79_register_wmac(art + ALFA_AP120C_CAL0_OFFSET, mac);
116
117 ath79_init_mac(mac, art + ALFA_AP120C_MAC_OFFSET, 2);
118 ap91_pci_init(NULL, mac);
119 pdata = ap9x_pci_get_wmac_data(0);
120 if (!pdata) {
121 pr_err("ap120c: unable to get address of wlan data\n");
122 return;
123 }
124 pdata->use_eeprom = true;
125
126 ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0 |
127 BIT(15) | BIT(17) | BIT(19) | BIT(21));
128
129 ath79_register_mdio(0, 0x0);
130
131 ath79_init_mac(ath79_eth0_data.mac_addr, art + ALFA_AP120C_MAC_OFFSET, 0);
132
133 mdiobus_register_board_info(ap120c_mdio0_info, ARRAY_SIZE(ap120c_mdio0_info));
134
135 ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
136 ath79_eth0_data.phy_mask = ALFA_AP120C_LAN_PHYMASK;
137
138 ath79_eth0_pll_data.pll_1000 = 0x42000000;
139 ath79_eth0_pll_data.pll_10 = 0x00001313;
140
141 ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
142
143 ath79_register_eth(0);
144 }
145
146 MIPS_MACHINE(ATH79_MACH_ALFA_AP120C, "ALFA-AP120C", "ALFA Network AP120C",
147 alfa_ap120c_init);