linux/arch/mips/ath79/mach-db120.c

137 lines
3.4 KiB
C

/*
* Atheros DB120 reference board support
*
* Copyright (c) 2011 Qualcomm Atheros
* Copyright (c) 2011 Gabor Juhos <juhosg@openwrt.org>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#include <linux/pci.h>
#include <linux/ath9k_platform.h>
#include "machtypes.h"
#include "dev-gpio-buttons.h"
#include "dev-leds-gpio.h"
#include "dev-spi.h"
#include "dev-usb.h"
#include "dev-wmac.h"
#include "pci.h"
#define DB120_GPIO_LED_WLAN_5G 12
#define DB120_GPIO_LED_WLAN_2G 13
#define DB120_GPIO_LED_STATUS 14
#define DB120_GPIO_LED_WPS 15
#define DB120_GPIO_BTN_WPS 16
#define DB120_KEYS_POLL_INTERVAL 20 /* msecs */
#define DB120_KEYS_DEBOUNCE_INTERVAL (3 * DB120_KEYS_POLL_INTERVAL)
#define DB120_WMAC_CALDATA_OFFSET 0x1000
#define DB120_PCIE_CALDATA_OFFSET 0x5000
static struct gpio_led db120_leds_gpio[] __initdata = {
{
.name = "db120:green:status",
.gpio = DB120_GPIO_LED_STATUS,
.active_low = 1,
},
{
.name = "db120:green:wps",
.gpio = DB120_GPIO_LED_WPS,
.active_low = 1,
},
{
.name = "db120:green:wlan-5g",
.gpio = DB120_GPIO_LED_WLAN_5G,
.active_low = 1,
},
{
.name = "db120:green:wlan-2g",
.gpio = DB120_GPIO_LED_WLAN_2G,
.active_low = 1,
},
};
static struct gpio_keys_button db120_gpio_keys[] __initdata = {
{
.desc = "WPS button",
.type = EV_KEY,
.code = KEY_WPS_BUTTON,
.debounce_interval = DB120_KEYS_DEBOUNCE_INTERVAL,
.gpio = DB120_GPIO_BTN_WPS,
.active_low = 1,
},
};
static struct spi_board_info db120_spi_info[] = {
{
.bus_num = 0,
.chip_select = 0,
.max_speed_hz = 25000000,
.modalias = "s25sl064a",
}
};
static struct ath79_spi_platform_data db120_spi_data = {
.bus_num = 0,
.num_chipselect = 1,
};
#ifdef CONFIG_PCI
static struct ath9k_platform_data db120_ath9k_data;
static int db120_pci_plat_dev_init(struct pci_dev *dev)
{
switch (PCI_SLOT(dev->devfn)) {
case 0:
dev->dev.platform_data = &db120_ath9k_data;
break;
}
return 0;
}
static void __init db120_pci_init(u8 *eeprom)
{
memcpy(db120_ath9k_data.eeprom_data, eeprom,
sizeof(db120_ath9k_data.eeprom_data));
ath79_pci_set_plat_dev_init(db120_pci_plat_dev_init);
ath79_register_pci();
}
#else
static inline void db120_pci_init(void) {}
#endif /* CONFIG_PCI */
static void __init db120_setup(void)
{
u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
ath79_register_leds_gpio(-1, ARRAY_SIZE(db120_leds_gpio),
db120_leds_gpio);
ath79_register_gpio_keys_polled(-1, DB120_KEYS_POLL_INTERVAL,
ARRAY_SIZE(db120_gpio_keys),
db120_gpio_keys);
ath79_register_spi(&db120_spi_data, db120_spi_info,
ARRAY_SIZE(db120_spi_info));
ath79_register_usb();
ath79_register_wmac(art + DB120_WMAC_CALDATA_OFFSET);
db120_pci_init(art + DB120_PCIE_CALDATA_OFFSET);
}
MIPS_MACHINE(ATH79_MACH_DB120, "DB120", "Atheros DB120 reference board",
db120_setup);