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#include <linux/ath9k_platform.h>
16
17#include <asm/mach-ath79/irq.h>
18
19#include "machtypes.h"
20#include "dev-gpio-buttons.h"
21#include "dev-leds-gpio.h"
22#include "dev-spi.h"
23#include "pci.h"
24
25#define UBNT_XM_GPIO_LED_L1		0
26#define UBNT_XM_GPIO_LED_L2		1
27#define UBNT_XM_GPIO_LED_L3		11
28#define UBNT_XM_GPIO_LED_L4		7
29
30#define UBNT_XM_GPIO_BTN_RESET		12
31
32#define UBNT_XM_KEYS_POLL_INTERVAL	20
33#define UBNT_XM_KEYS_DEBOUNCE_INTERVAL	(3 * UBNT_XM_KEYS_POLL_INTERVAL)
34
35#define UBNT_XM_EEPROM_ADDR		(u8 *) KSEG1ADDR(0x1fff1000)
36
37static struct gpio_led ubnt_xm_leds_gpio[] __initdata = {
38	{
39		.name		= "ubnt-xm:red:link1",
40		.gpio		= UBNT_XM_GPIO_LED_L1,
41		.active_low	= 0,
42	}, {
43		.name		= "ubnt-xm:orange:link2",
44		.gpio		= UBNT_XM_GPIO_LED_L2,
45		.active_low	= 0,
46	}, {
47		.name		= "ubnt-xm:green:link3",
48		.gpio		= UBNT_XM_GPIO_LED_L3,
49		.active_low	= 0,
50	}, {
51		.name		= "ubnt-xm:green:link4",
52		.gpio		= UBNT_XM_GPIO_LED_L4,
53		.active_low	= 0,
54	},
55};
56
57static struct gpio_keys_button ubnt_xm_gpio_keys[] __initdata = {
58	{
59		.desc			= "reset",
60		.type			= EV_KEY,
61		.code			= KEY_RESTART,
62		.debounce_interval	= UBNT_XM_KEYS_DEBOUNCE_INTERVAL,
63		.gpio			= UBNT_XM_GPIO_BTN_RESET,
64		.active_low		= 1,
65	}
66};
67
68static struct spi_board_info ubnt_xm_spi_info[] = {
69	{
70		.bus_num	= 0,
71		.chip_select	= 0,
72		.max_speed_hz	= 25000000,
73		.modalias	= "mx25l6405d",
74	}
75};
76
77static struct ath79_spi_platform_data ubnt_xm_spi_data = {
78	.bus_num		= 0,
79	.num_chipselect		= 1,
80};
81
82#ifdef CONFIG_PCI
83static struct ath9k_platform_data ubnt_xm_eeprom_data;
84
85static int ubnt_xm_pci_plat_dev_init(struct pci_dev *dev)
86{
87	switch (PCI_SLOT(dev->devfn)) {
88	case 0:
89		dev->dev.platform_data = &ubnt_xm_eeprom_data;
90		break;
91	}
92
93	return 0;
94}
95
96static void __init ubnt_xm_pci_init(void)
97{
98	memcpy(ubnt_xm_eeprom_data.eeprom_data, UBNT_XM_EEPROM_ADDR,
99	       sizeof(ubnt_xm_eeprom_data.eeprom_data));
100
101	ath79_pci_set_plat_dev_init(ubnt_xm_pci_plat_dev_init);
102	ath79_register_pci();
103}
104#else
105static inline void ubnt_xm_pci_init(void) {}
106#endif /* CONFIG_PCI */
107
108static void __init ubnt_xm_init(void)
109{
110	ath79_register_leds_gpio(-1, ARRAY_SIZE(ubnt_xm_leds_gpio),
111				 ubnt_xm_leds_gpio);
112
113	ath79_register_gpio_keys_polled(-1, UBNT_XM_KEYS_POLL_INTERVAL,
114					ARRAY_SIZE(ubnt_xm_gpio_keys),
115					ubnt_xm_gpio_keys);
116
117	ath79_register_spi(&ubnt_xm_spi_data, ubnt_xm_spi_info,
118			   ARRAY_SIZE(ubnt_xm_spi_info));
119
120	ubnt_xm_pci_init();
121}
122
123MIPS_MACHINE(ATH79_MACH_UBNT_XM,
124	     "UBNT-XM",
125	     "Ubiquiti Networks XM (rev 1.0) board",
126	     ubnt_xm_init);
127