tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Ubiquiti Networks XM (rev 1.0) board support
3 *
4 * Copyright (C) 2011 René Bolldorf <xsecute@googlemail.com>
5 *
6 * Derived from: mach-pb44.c
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License version 2 as published
10 * by the Free Software Foundation.
11 */
12
13#include <linux/init.h>
14#include <linux/pci.h>
15
16#ifdef CONFIG_PCI
17#include <linux/ath9k_platform.h>
18#include <asm/mach-ath79/pci-ath724x.h>
19#endif /* CONFIG_PCI */
20
21#include "machtypes.h"
22#include "dev-gpio-buttons.h"
23#include "dev-leds-gpio.h"
24#include "dev-spi.h"
25
26#define UBNT_XM_GPIO_LED_L1 0
27#define UBNT_XM_GPIO_LED_L2 1
28#define UBNT_XM_GPIO_LED_L3 11
29#define UBNT_XM_GPIO_LED_L4 7
30
31#define UBNT_XM_GPIO_BTN_RESET 12
32
33#define UBNT_XM_KEYS_POLL_INTERVAL 20
34#define UBNT_XM_KEYS_DEBOUNCE_INTERVAL (3 * UBNT_XM_KEYS_POLL_INTERVAL)
35
36#define UBNT_XM_PCI_IRQ 48
37#define UBNT_XM_EEPROM_ADDR (u8 *) KSEG1ADDR(0x1fff1000)
38
39static struct gpio_led ubnt_xm_leds_gpio[] __initdata = {
40 {
41 .name = "ubnt-xm:red:link1",
42 .gpio = UBNT_XM_GPIO_LED_L1,
43 .active_low = 0,
44 }, {
45 .name = "ubnt-xm:orange:link2",
46 .gpio = UBNT_XM_GPIO_LED_L2,
47 .active_low = 0,
48 }, {
49 .name = "ubnt-xm:green:link3",
50 .gpio = UBNT_XM_GPIO_LED_L3,
51 .active_low = 0,
52 }, {
53 .name = "ubnt-xm:green:link4",
54 .gpio = UBNT_XM_GPIO_LED_L4,
55 .active_low = 0,
56 },
57};
58
59static struct gpio_keys_button ubnt_xm_gpio_keys[] __initdata = {
60 {
61 .desc = "reset",
62 .type = EV_KEY,
63 .code = KEY_RESTART,
64 .debounce_interval = UBNT_XM_KEYS_DEBOUNCE_INTERVAL,
65 .gpio = UBNT_XM_GPIO_BTN_RESET,
66 .active_low = 1,
67 }
68};
69
70static struct spi_board_info ubnt_xm_spi_info[] = {
71 {
72 .bus_num = 0,
73 .chip_select = 0,
74 .max_speed_hz = 25000000,
75 .modalias = "mx25l6405d",
76 }
77};
78
79static struct ath79_spi_platform_data ubnt_xm_spi_data = {
80 .bus_num = 0,
81 .num_chipselect = 1,
82};
83
84#ifdef CONFIG_PCI
85static struct ath9k_platform_data ubnt_xm_eeprom_data;
86
87static struct ath724x_pci_data ubnt_xm_pci_data[] = {
88 {
89 .irq = UBNT_XM_PCI_IRQ,
90 .pdata = &ubnt_xm_eeprom_data,
91 },
92};
93#endif /* CONFIG_PCI */
94
95static void __init ubnt_xm_init(void)
96{
97 ath79_register_leds_gpio(-1, ARRAY_SIZE(ubnt_xm_leds_gpio),
98 ubnt_xm_leds_gpio);
99
100 ath79_register_gpio_keys_polled(-1, UBNT_XM_KEYS_POLL_INTERVAL,
101 ARRAY_SIZE(ubnt_xm_gpio_keys),
102 ubnt_xm_gpio_keys);
103
104 ath79_register_spi(&ubnt_xm_spi_data, ubnt_xm_spi_info,
105 ARRAY_SIZE(ubnt_xm_spi_info));
106
107#ifdef CONFIG_PCI
108 memcpy(ubnt_xm_eeprom_data.eeprom_data, UBNT_XM_EEPROM_ADDR,
109 sizeof(ubnt_xm_eeprom_data.eeprom_data));
110
111 ath724x_pci_add_data(ubnt_xm_pci_data, ARRAY_SIZE(ubnt_xm_pci_data));
112#endif /* CONFIG_PCI */
113
114}
115
116MIPS_MACHINE(ATH79_MACH_UBNT_XM,
117 "UBNT-XM",
118 "Ubiquiti Networks XM (rev 1.0) board",
119 ubnt_xm_init);