tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Qualcomm Atheros AP136 reference board support
3 *
4 * Copyright (c) 2012 Qualcomm Atheros
5 * Copyright (c) 2012-2013 Gabor Juhos <juhosg@openwrt.org>
6 *
7 * Permission to use, copy, modify, and/or distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 *
19 */
20
21#include <linux/pci.h>
22#include <linux/ath9k_platform.h>
23
24#include "machtypes.h"
25#include "dev-gpio-buttons.h"
26#include "dev-leds-gpio.h"
27#include "dev-spi.h"
28#include "dev-usb.h"
29#include "dev-wmac.h"
30#include "pci.h"
31
32#define AP136_GPIO_LED_STATUS_RED 14
33#define AP136_GPIO_LED_STATUS_GREEN 19
34#define AP136_GPIO_LED_USB 4
35#define AP136_GPIO_LED_WLAN_2G 13
36#define AP136_GPIO_LED_WLAN_5G 12
37#define AP136_GPIO_LED_WPS_RED 15
38#define AP136_GPIO_LED_WPS_GREEN 20
39
40#define AP136_GPIO_BTN_WPS 16
41#define AP136_GPIO_BTN_RFKILL 21
42
43#define AP136_KEYS_POLL_INTERVAL 20 /* msecs */
44#define AP136_KEYS_DEBOUNCE_INTERVAL (3 * AP136_KEYS_POLL_INTERVAL)
45
46#define AP136_WMAC_CALDATA_OFFSET 0x1000
47#define AP136_PCIE_CALDATA_OFFSET 0x5000
48
49static struct gpio_led ap136_leds_gpio[] __initdata = {
50 {
51 .name = "qca:green:status",
52 .gpio = AP136_GPIO_LED_STATUS_GREEN,
53 .active_low = 1,
54 },
55 {
56 .name = "qca:red:status",
57 .gpio = AP136_GPIO_LED_STATUS_RED,
58 .active_low = 1,
59 },
60 {
61 .name = "qca:green:wps",
62 .gpio = AP136_GPIO_LED_WPS_GREEN,
63 .active_low = 1,
64 },
65 {
66 .name = "qca:red:wps",
67 .gpio = AP136_GPIO_LED_WPS_RED,
68 .active_low = 1,
69 },
70 {
71 .name = "qca:red:wlan-2g",
72 .gpio = AP136_GPIO_LED_WLAN_2G,
73 .active_low = 1,
74 },
75 {
76 .name = "qca:red:usb",
77 .gpio = AP136_GPIO_LED_USB,
78 .active_low = 1,
79 }
80};
81
82static struct gpio_keys_button ap136_gpio_keys[] __initdata = {
83 {
84 .desc = "WPS button",
85 .type = EV_KEY,
86 .code = KEY_WPS_BUTTON,
87 .debounce_interval = AP136_KEYS_DEBOUNCE_INTERVAL,
88 .gpio = AP136_GPIO_BTN_WPS,
89 .active_low = 1,
90 },
91 {
92 .desc = "RFKILL button",
93 .type = EV_KEY,
94 .code = KEY_RFKILL,
95 .debounce_interval = AP136_KEYS_DEBOUNCE_INTERVAL,
96 .gpio = AP136_GPIO_BTN_RFKILL,
97 .active_low = 1,
98 },
99};
100
101static struct spi_board_info ap136_spi_info[] = {
102 {
103 .bus_num = 0,
104 .chip_select = 0,
105 .max_speed_hz = 25000000,
106 .modalias = "mx25l6405d",
107 }
108};
109
110static struct ath79_spi_platform_data ap136_spi_data = {
111 .bus_num = 0,
112 .num_chipselect = 1,
113};
114
115#ifdef CONFIG_PCI
116static struct ath9k_platform_data ap136_ath9k_data;
117
118static int ap136_pci_plat_dev_init(struct pci_dev *dev)
119{
120 if (dev->bus->number == 1 && (PCI_SLOT(dev->devfn)) == 0)
121 dev->dev.platform_data = &ap136_ath9k_data;
122
123 return 0;
124}
125
126static void __init ap136_pci_init(u8 *eeprom)
127{
128 memcpy(ap136_ath9k_data.eeprom_data, eeprom,
129 sizeof(ap136_ath9k_data.eeprom_data));
130
131 ath79_pci_set_plat_dev_init(ap136_pci_plat_dev_init);
132 ath79_register_pci();
133}
134#else
135static inline void ap136_pci_init(u8 *eeprom) {}
136#endif /* CONFIG_PCI */
137
138static void __init ap136_setup(void)
139{
140 u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
141
142 ath79_register_leds_gpio(-1, ARRAY_SIZE(ap136_leds_gpio),
143 ap136_leds_gpio);
144 ath79_register_gpio_keys_polled(-1, AP136_KEYS_POLL_INTERVAL,
145 ARRAY_SIZE(ap136_gpio_keys),
146 ap136_gpio_keys);
147 ath79_register_spi(&ap136_spi_data, ap136_spi_info,
148 ARRAY_SIZE(ap136_spi_info));
149 ath79_register_usb();
150 ath79_register_wmac(art + AP136_WMAC_CALDATA_OFFSET);
151 ap136_pci_init(art + AP136_PCIE_CALDATA_OFFSET);
152}
153
154MIPS_MACHINE(ATH79_MACH_AP136_010, "AP136-010",
155 "Atheros AP136-010 reference board",
156 ap136_setup);