LXR linux/arch/mips/ath79/mach-ap136.c

   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);
 157