target/linux/ar71xx/files/arch/mips/ath79/mach-tellstick-znet-lite.c

   1 /*
   2  *  Telldus TellStick ZNet Lite board support
   3  *
   4  *  Copyright (C) 2016 Micke Prag <micke.prag@telldus.se>
   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 #include <asm/mach-ath79/ar71xx_regs.h>
  15
  16 #include "common.h"
  17 #include "dev-eth.h"
  18 #include "dev-gpio-buttons.h"
  19 #include "dev-leds-gpio.h"
  20 #include "dev-m25p80.h"
  21 #include "dev-usb.h"
  22 #include "dev-wmac.h"
  23 #include "machtypes.h"
  24
  25 #define TELLSTICK_GPIO_LED_SYSTEM       27
  26 #define TELLSTICK_GPIO_LED_BLUE 0
  27 #define TELLSTICK_GPIO_LED_RED  14
  28 #define TELLSTICK_GPIO_LED_GREEN        15
  29 #define TELLSTICK_GPIO_LED_LAN_GREEN    16
  30 #define TELLSTICK_GPIO_LED_LAN_ORANGE   17
  31
  32 #define TELLSTICK_GPIO_BTN_RESET        11
  33
  34 #define TELLSTICK_GPIO_RF433_RESET      13
  35
  36 #define TELLSTICK_KEYS_POLL_INTERVAL    20      /* msecs */
  37 #define TELLSTICK_KEYS_DEBOUNCE_INTERVAL        (3 * TELLSTICK_KEYS_POLL_INTERVAL)
  38
  39 static const char *tellstick_part_probes[] = {
  40         "tp-link",
  41         NULL,
  42 };
  43
  44 static struct flash_platform_data tellstick_flash_data = {
  45         .part_probes    = tellstick_part_probes,
  46 };
  47
  48 static struct gpio_led tellstick_leds_gpio[] __initdata = {
  49         {
  50                 .name           = "tellstick:white:system",
  51                 .gpio           = TELLSTICK_GPIO_LED_SYSTEM,
  52                 .active_low     = 0,
  53         },
  54         {
  55                 .name           = "tellstick:blue:status",
  56                 .gpio           = TELLSTICK_GPIO_LED_BLUE,
  57                 .active_low     = 0,
  58         },
  59         {
  60                 .name           = "tellstick:red:status",
  61                 .gpio           = TELLSTICK_GPIO_LED_RED,
  62                 .active_low     = 0,
  63         },
  64         {
  65                 .name           = "tellstick:green:status",
  66                 .gpio           = TELLSTICK_GPIO_LED_GREEN,
  67                 .active_low     = 0,
  68         },
  69         {
  70                 .name           = "tellstick:green:lan",
  71                 .gpio           = TELLSTICK_GPIO_LED_LAN_GREEN,
  72                 .active_low     = 0,
  73         },
  74         {
  75                 .name           = "tellstick:orange:lan",
  76                 .gpio           = TELLSTICK_GPIO_LED_LAN_ORANGE,
  77                 .active_low     = 0,
  78         },
  79 };
  80
  81 static struct gpio_keys_button tellstick_gpio_keys[] __initdata = {
  82         {
  83                 .desc           = "reset",
  84                 .type           = EV_KEY,
  85                 .code           = KEY_RESTART,
  86                 .debounce_interval = TELLSTICK_KEYS_DEBOUNCE_INTERVAL,
  87                 .gpio           = TELLSTICK_GPIO_BTN_RESET,
  88                 .active_low     = 0,
  89         }
  90 };
  91
  92 static void __init tellstick_znet_lite_setup(void)
  93 {
  94         u8 *ee =  (u8 *) KSEG1ADDR(0x1fff1000);
  95         u8 mac[ETH_ALEN];
  96         memcpy(&mac, (u8 *) KSEG1ADDR(0x1f01fc00), sizeof(mac));
  97
  98         ath79_gpio_function_disable(
  99                 AR933X_GPIO_FUNC_ETH_SWITCH_LED0_EN |
 100                 AR933X_GPIO_FUNC_ETH_SWITCH_LED1_EN |
 101                 AR933X_GPIO_FUNC_ETH_SWITCH_LED2_EN |
 102                 AR933X_GPIO_FUNC_ETH_SWITCH_LED3_EN |
 103                 AR933X_GPIO_FUNC_ETH_SWITCH_LED4_EN
 104         );
 105
 106         ath79_register_m25p80(&tellstick_flash_data);
 107         ath79_register_leds_gpio(-1, ARRAY_SIZE(tellstick_leds_gpio),
 108                                  tellstick_leds_gpio);
 109         ath79_register_gpio_keys_polled(-1, TELLSTICK_KEYS_POLL_INTERVAL,
 110                                         ARRAY_SIZE(tellstick_gpio_keys),
 111                                         tellstick_gpio_keys);
 112
 113         gpio_request_one(TELLSTICK_GPIO_RF433_RESET,
 114                          GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED,
 115                          "rf433 reset");
 116         ath79_register_usb();
 117
 118         ath79_init_mac(ath79_eth0_data.mac_addr, (u8 *)mac, 0);
 119
 120         ath79_register_mdio(0, 0x0);
 121         ath79_register_eth(0);
 122
 123         // wlan0 mac needs to be different then eth0
 124         mac[3] += 1;
 125         ath79_register_wmac(ee, (u8 *)mac);
 126 }
 127
 128 MIPS_MACHINE(ATH79_MACH_TELLSTICK_ZNET_LITE, "TELLSTICK-ZNET-LITE", "Telldus TellStick ZNet Lite",
 129              tellstick_znet_lite_setup);