target/linux/ar71xx/files/arch/mips/ath79/mach-pqi-air-pen.c

   1 /*
   2  *  PQI Air Pen stick support
   3  *
   4  *  Copyright (C) 2016 YuheiOKAWA <tochiro.srchack@gmail.com>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify it
   7  *  under the terms of the GNU General Public License version 2 as published
   8  *  by the Free Software Foundation.
   9 */
  10
  11 #include <linux/gpio.h>
  12
  13 #include <asm/mach-ath79/ath79.h>
  14
  15 #include "common.h"
  16 #include "dev-eth.h"
  17 #include "dev-gpio-buttons.h"
  18 #include "dev-leds-gpio.h"
  19 #include "dev-m25p80.h"
  20 #include "dev-usb.h"
  21 #include "dev-wmac.h"
  22 #include "machtypes.h"
  23
  24 #define PQI_AIR_PEN_GPIO_LED_WLAN               0
  25 #define PQI_AIR_PEN_GPIO_LED_WPS                23
  26
  27 #define PQI_AIR_PEN_GPIO_BTN_WPS                22
  28 #define PQI_AIR_PEN_GPIO_BTN_RESET              12
  29
  30 #define PQI_AIR_PEN_KEYS_POLL_INTERVAL          20 /* msecs */
  31 #define PQI_AIR_PEN_KEYS_DEBOUNCE_INTERVAL      (3 * PQI_AIR_PEN_KEYS_POLL_INTERVAL)
  32
  33 #define PQI_AIR_PEN_WMAC_CALDATA_OFFSET         0x1000
  34 #define PQI_AIR_PEN_LAN_MAC_OFFSET              0x1002
  35 #define PQI_AIR_PEN_WMAC_MAC_OFFSET             0x1002
  36
  37 static struct gpio_led pqi_air_pen_leds_gpio[] __initdata = {
  38         {
  39                 .name = "pqi-air-pen:blue:wlan",
  40                 .gpio = PQI_AIR_PEN_GPIO_LED_WLAN,
  41                 .active_low = 0,
  42         },
  43         {
  44                 .name = "pqi-air-pen:blue:wps",
  45                 .gpio = PQI_AIR_PEN_GPIO_LED_WPS,
  46                 .active_low = 0,
  47         },
  48 };
  49
  50 static struct gpio_keys_button pqi_air_pen_gpio_keys[] __initdata = {
  51         {
  52                 .desc = "wps",
  53                 .type = EV_KEY,
  54                 .code = KEY_WPS_BUTTON,
  55                 .debounce_interval = PQI_AIR_PEN_KEYS_DEBOUNCE_INTERVAL,
  56                 .gpio = PQI_AIR_PEN_GPIO_BTN_WPS,
  57                 .active_low = 0,
  58         },
  59         {
  60                 .desc = "reset",
  61                 .type = EV_KEY,
  62                 .code = KEY_RESTART,
  63                 .debounce_interval = PQI_AIR_PEN_KEYS_DEBOUNCE_INTERVAL,
  64                 .gpio = PQI_AIR_PEN_GPIO_BTN_RESET,
  65                 .active_low = 0,
  66         },
  67 };
  68
  69 static void __init pqi_air_pen_setup(void)
  70 {
  71         /* ART base address */
  72         u8 *art = (u8 *) KSEG1ADDR(0x9f050000);
  73
  74         /* register flash. */
  75         ath79_register_m25p80(NULL);
  76
  77         /* register wireless mac with cal data */
  78         ath79_register_wmac(art + PQI_AIR_PEN_WMAC_CALDATA_OFFSET, art + PQI_AIR_PEN_WMAC_MAC_OFFSET);
  79
  80         /* false PHY_SWAP and PHY_ADDR_SWAP bits */
  81         ath79_setup_ar933x_phy4_switch(false, false);
  82
  83         /* register gpio LEDs and keys */
  84         ath79_register_leds_gpio(-1, ARRAY_SIZE(pqi_air_pen_leds_gpio),
  85                                  pqi_air_pen_leds_gpio);
  86         ath79_register_gpio_keys_polled(-1, PQI_AIR_PEN_KEYS_POLL_INTERVAL,
  87                                         ARRAY_SIZE(pqi_air_pen_gpio_keys),
  88                                         pqi_air_pen_gpio_keys);
  89
  90         /* enable usb */
  91         ath79_register_usb();
  92
  93         /* register eth0 as LAN */
  94         ath79_init_mac(ath79_eth0_data.mac_addr, art + PQI_AIR_PEN_LAN_MAC_OFFSET, 0);
  95         ath79_register_mdio(0, 0x0);
  96         ath79_register_eth(0);
  97 }
  98
  99 MIPS_MACHINE(ATH79_MACH_PQI_AIR_PEN, "PQI-AIR-PEN", "PQI Air Pen",pqi_air_pen_setup);