target/linux/ar71xx/files/arch/mips/ath79/mach-gl-usb150.c

   1 /*
   2  * GL.iNet GL-USB150 board support
   3  *
   4  * Copyright (C) 2017 Piotr Dymacz <pepe2k@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 #include <linux/platform_device.h>
  13
  14 #include <asm/mach-ath79/ath79.h>
  15 #include <asm/mach-ath79/ar71xx_regs.h>
  16
  17 #include "common.h"
  18 #include "dev-eth.h"
  19 #include "dev-gpio-buttons.h"
  20 #include "dev-leds-gpio.h"
  21 #include "dev-m25p80.h"
  22 #include "dev-wmac.h"
  23 #include "machtypes.h"
  24
  25 #define GL_USB150_GPIO_LED_POWER        13
  26 #define GL_USB150_GPIO_LED_WLAN         0
  27 #define GL_USB150_GPIO_LAN_RESET        7
  28 #define GL_USB150_GPIO_BTN_RESET        11
  29
  30 #define GL_USB150_KEYS_POLL_INTERVAL            20
  31 #define GL_USB150_KEYS_DEBOUNCE_INTERVAL        \
  32                                         (3 * GL_USB150_KEYS_POLL_INTERVAL)
  33
  34 #define GL_USB150_WMAC_CALDATA_OFFSET   0x1000
  35
  36 static struct gpio_led gl_usb150_leds_gpio[] __initdata = {
  37         {
  38                 .name           = "gl-usb150:green:power",
  39                 .gpio           = GL_USB150_GPIO_LED_POWER,
  40                 .active_low     = 0,
  41         }, {
  42                 .name           = "gl-usb150:green:wlan",
  43                 .gpio           = GL_USB150_GPIO_LED_WLAN,
  44                 .active_low     = 0,
  45         },
  46 };
  47
  48 static struct gpio_keys_button gl_usb150_gpio_keys[] __initdata = {
  49         {
  50                 .desc                   = "reset",
  51                 .type                   = EV_KEY,
  52                 .code                   = KEY_RESTART,
  53                 .debounce_interval      = GL_USB150_KEYS_DEBOUNCE_INTERVAL,
  54                 .gpio                   = GL_USB150_GPIO_BTN_RESET,
  55                 .active_low             = 0,
  56         },
  57 };
  58
  59 static void __init gl_usb150_setup(void)
  60 {
  61         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
  62
  63         ath79_register_m25p80(NULL);
  64
  65         ath79_setup_ar933x_phy4_switch(false, false);
  66
  67         /* LAN (PHY4 connected with Realtek RTL8152B) */
  68         ath79_init_mac(ath79_eth0_data.mac_addr, art, 0);
  69         ath79_register_mdio(0, 0x0);
  70         ath79_register_eth(0);
  71
  72         ath79_register_leds_gpio(-1, ARRAY_SIZE(gl_usb150_leds_gpio),
  73                                  gl_usb150_leds_gpio);
  74
  75         ath79_register_gpio_keys_polled(-1, GL_USB150_KEYS_POLL_INTERVAL,
  76                                         ARRAY_SIZE(gl_usb150_gpio_keys),
  77                                         gl_usb150_gpio_keys);
  78
  79         gpio_request_one(GL_USB150_GPIO_LAN_RESET,
  80                          GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED,
  81                          "LAN reset");
  82
  83         ath79_register_wmac(art + GL_USB150_WMAC_CALDATA_OFFSET, NULL);
  84 }
  85
  86 MIPS_MACHINE(ATH79_MACH_GL_USB150, "GL-USB150", "GL.iNet GL-USB150",
  87              gl_usb150_setup);