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
  49 static 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
  82 static 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
 101 static 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
 110 static struct ath79_spi_platform_data ap136_spi_data = {
 111         .bus_num        = 0,
 112         .num_chipselect = 1,
 113 };
 114
 115 #ifdef CONFIG_PCI
 116 static struct ath9k_platform_data ap136_ath9k_data;
 117
 118 static 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
 126 static 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
 135 static inline void ap136_pci_init(u8 *eeprom) {}
 136 #endif /* CONFIG_PCI */
 137
 138 static 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
 154 MIPS_MACHINE(ATH79_MACH_AP136_010, "AP136-010",
 155              "Atheros AP136-010 reference board",
 156              ap136_setup);