1 /*
2 * Atheros DB120 reference board support
3 *
4 * Copyright (c) 2011 Qualcomm Atheros
5 * Copyright (c) 2011 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 DB120_GPIO_LED_WLAN_5G 12
33 #define DB120_GPIO_LED_WLAN_2G 13
34 #define DB120_GPIO_LED_STATUS 14
35 #define DB120_GPIO_LED_WPS 15
36
37 #define DB120_GPIO_BTN_WPS 16
38
39 #define DB120_KEYS_POLL_INTERVAL 20 /* msecs */
40 #define DB120_KEYS_DEBOUNCE_INTERVAL (3 * DB120_KEYS_POLL_INTERVAL)
41
42 #define DB120_WMAC_CALDATA_OFFSET 0x1000
43 #define DB120_PCIE_CALDATA_OFFSET 0x5000
44
45 static struct gpio_led db120_leds_gpio[] __initdata = {
46 {
47 .name = "db120:green:status",
48 .gpio = DB120_GPIO_LED_STATUS,
49 .active_low = 1,
50 },
51 {
52 .name = "db120:green:wps",
53 .gpio = DB120_GPIO_LED_WPS,
54 .active_low = 1,
55 },
56 {
57 .name = "db120:green:wlan-5g",
58 .gpio = DB120_GPIO_LED_WLAN_5G,
59 .active_low = 1,
60 },
61 {
62 .name = "db120:green:wlan-2g",
63 .gpio = DB120_GPIO_LED_WLAN_2G,
64 .active_low = 1,
65 },
66 };
67
68 static struct gpio_keys_button db120_gpio_keys[] __initdata = {
69 {
70 .desc = "WPS button",
71 .type = EV_KEY,
72 .code = KEY_WPS_BUTTON,
73 .debounce_interval = DB120_KEYS_DEBOUNCE_INTERVAL,
74 .gpio = DB120_GPIO_BTN_WPS,
75 .active_low = 1,
76 },
77 };
78
79 static struct spi_board_info db120_spi_info[] = {
80 {
81 .bus_num = 0,
82 .chip_select = 0,
83 .max_speed_hz = 25000000,
84 .modalias = "s25sl064a",
85 }
86 };
87
88 static struct ath79_spi_platform_data db120_spi_data = {
89 .bus_num = 0,
90 .num_chipselect = 1,
91 };
92
93 #ifdef CONFIG_PCI
94 static struct ath9k_platform_data db120_ath9k_data;
95
db120_pci_plat_dev_init(struct pci_dev * dev)96 static int db120_pci_plat_dev_init(struct pci_dev *dev)
97 {
98 switch (PCI_SLOT(dev->devfn)) {
99 case 0:
100 dev->dev.platform_data = &db120_ath9k_data;
101 break;
102 }
103
104 return 0;
105 }
106
db120_pci_init(u8 * eeprom)107 static void __init db120_pci_init(u8 *eeprom)
108 {
109 memcpy(db120_ath9k_data.eeprom_data, eeprom,
110 sizeof(db120_ath9k_data.eeprom_data));
111
112 ath79_pci_set_plat_dev_init(db120_pci_plat_dev_init);
113 ath79_register_pci();
114 }
115 #else
db120_pci_init(void)116 static inline void db120_pci_init(void) {}
117 #endif /* CONFIG_PCI */
118
db120_setup(void)119 static void __init db120_setup(void)
120 {
121 u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
122
123 ath79_register_leds_gpio(-1, ARRAY_SIZE(db120_leds_gpio),
124 db120_leds_gpio);
125 ath79_register_gpio_keys_polled(-1, DB120_KEYS_POLL_INTERVAL,
126 ARRAY_SIZE(db120_gpio_keys),
127 db120_gpio_keys);
128 ath79_register_spi(&db120_spi_data, db120_spi_info,
129 ARRAY_SIZE(db120_spi_info));
130 ath79_register_usb();
131 ath79_register_wmac(art + DB120_WMAC_CALDATA_OFFSET);
132 db120_pci_init(art + DB120_PCIE_CALDATA_OFFSET);
133 }
134
135 MIPS_MACHINE(ATH79_MACH_DB120, "DB120", "Atheros DB120 reference board",
136 db120_setup);
137