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);