19b32e2256aa2279fc85806ea338984d06d02bbd
[openwrt/staging/chunkeey.git] / target / linux / ar71xx / files / arch / mips / ath79 / mach-tube2h.c
1 /*
2 * ALFA NETWORK Tube2H board support
3 *
4 * Copyright (C) 2014 Gabor Juhos <juhosg@openwrt.org>
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
13 #include <asm/mach-ath79/ath79.h>
14 #include <asm/mach-ath79/ar71xx_regs.h>
15
16 #include "common.h"
17 #include "dev-eth.h"
18 #include "dev-gpio-buttons.h"
19 #include "dev-leds-gpio.h"
20 #include "dev-m25p80.h"
21 #include "dev-wmac.h"
22 #include "machtypes.h"
23
24 #define TUBE2H_GPIO_LED_SIGNAL4 0
25 #define TUBE2H_GPIO_LED_SIGNAL3 1
26 #define TUBE2H_GPIO_LED_SIGNAL2 13
27 #define TUBE2H_GPIO_LED_LAN 17
28 #define TUBE2H_GPIO_LED_SIGNAL1 27
29 #define TUBE2H_GPIO_EXT_LNA 28
30
31 #define TUBE2H_GPIO_BTN_RESET 12
32
33 #define TUBE2H_KEYS_POLL_INTERVAL 20 /* msecs */
34 #define TUBE2H_KEYS_DEBOUNCE_INTERVAL (3 * TUBE2H_KEYS_POLL_INTERVAL)
35
36 #define TUBE2H_ART_ADDRESS 0x1f7f0000
37 #define TUBE2H_LAN_MAC_OFFSET 0x06
38 #define TUBE2H_CALDATA_OFFSET 0x1000
39
40 static struct gpio_led tube2h_leds_gpio[] __initdata = {
41 {
42 .name = "alfa:blue:lan",
43 .gpio = TUBE2H_GPIO_LED_LAN,
44 .active_low = 1,
45 },
46 {
47 .name = "alfa:red:signal1",
48 .gpio = TUBE2H_GPIO_LED_SIGNAL1,
49 .active_low = 1,
50 },
51 {
52 .name = "alfa:orange:signal2",
53 .gpio = TUBE2H_GPIO_LED_SIGNAL2,
54 .active_low = 0,
55 },
56 {
57 .name = "alfa:green:signal3",
58 .gpio = TUBE2H_GPIO_LED_SIGNAL3,
59 .active_low = 0,
60 },
61 {
62 .name = "alfa:green:signal4",
63 .gpio = TUBE2H_GPIO_LED_SIGNAL4,
64 .active_low = 0,
65 },
66 };
67
68 static struct gpio_keys_button tube2h_gpio_keys[] __initdata = {
69 {
70 .desc = "Reset button",
71 .type = EV_KEY,
72 .code = KEY_RESTART,
73 .debounce_interval = TUBE2H_KEYS_DEBOUNCE_INTERVAL,
74 .gpio = TUBE2H_GPIO_BTN_RESET,
75 .active_low = 1,
76 },
77 };
78
79 static void __init tube2h_setup(void)
80 {
81 u8 *art = (u8 *) KSEG1ADDR(TUBE2H_ART_ADDRESS);
82 u32 t;
83
84 ath79_gpio_function_disable(AR933X_GPIO_FUNC_JTAG_DISABLE |
85 AR933X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
86 AR933X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
87 AR933X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
88 AR933X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
89 AR933X_GPIO_FUNC_ETH_SWITCH_LED4_EN);
90
91 /* Ensure that GPIO26 and GPIO27 are controllable by software */
92 t = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP);
93 t |= AR933X_BOOTSTRAP_MDIO_GPIO_EN;
94 ath79_reset_wr(AR933X_RESET_REG_BOOTSTRAP, t);
95
96 gpio_request_one(TUBE2H_GPIO_EXT_LNA,
97 GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
98 "external LNA0");
99
100 ath79_register_wmac(art + TUBE2H_CALDATA_OFFSET, NULL);
101
102 ath79_register_m25p80(NULL);
103
104 ath79_register_leds_gpio(-1, ARRAY_SIZE(tube2h_leds_gpio),
105 tube2h_leds_gpio);
106 ath79_register_gpio_keys_polled(-1, TUBE2H_KEYS_POLL_INTERVAL,
107 ARRAY_SIZE(tube2h_gpio_keys),
108 tube2h_gpio_keys);
109
110 ath79_init_mac(ath79_eth0_data.mac_addr,
111 art + TUBE2H_LAN_MAC_OFFSET, 0);
112 ath79_register_mdio(0, 0x0);
113 ath79_register_eth(0);
114 }
115
116 MIPS_MACHINE(ATH79_MACH_TUBE2H, "TUBE2H", "ALFA NETWORK Tube2H",
117 tube2h_setup);
118