target/linux/ar71xx/files/arch/mips/ath79/mach-fritz450e.c

   1 /*
   2  *  AVM FRITZ!WLAN Repeater 450E board support
   3  *
   4  *  Copyright (C) 2018 David Bauer <mail@david-bauer.net>
   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/init.h>
  12 #include <linux/ath9k_platform.h>
  13 #include <linux/etherdevice.h>
  14 #include <linux/gpio.h>
  15 #include <linux/platform_device.h>
  16
  17 #include <linux/mtd/mtd.h>
  18 #include <linux/mtd/partitions.h>
  19 #include <linux/platform_data/mdio-gpio.h>
  20 #include <linux/platform_data/phy-at803x.h>
  21 #include <linux/spi/spi_gpio.h>
  22 #include <linux/spi/74x164.h>
  23
  24 #include <asm/mach-ath79/ath79.h>
  25 #include <asm/mach-ath79/ar71xx_regs.h>
  26
  27 #include "common.h"
  28 #include "dev-eth.h"
  29 #include "dev-gpio-buttons.h"
  30 #include "dev-leds-gpio.h"
  31 #include "dev-m25p80.h"
  32 #include "dev-spi.h"
  33 #include "dev-wmac.h"
  34 #include "machtypes.h"
  35
  36 #define FRITZ450E_GPIO_LED_POWER                14
  37 #define FRITZ450E_GPIO_LED_LAN                  13
  38 #define FRITZ450E_GPIO_LED_WLAN                 15
  39 #define FRITZ450E_GPIO_LED_RSSI2                        16
  40 #define FRITZ450E_GPIO_LED_RSSI3                        17
  41 #define FRITZ450E_GPIO_LED_RSSI4                        18
  42
  43 #define FRITZ450E_GPIO_BTN_WPS                  4
  44 #define FRITZ450E_KEYS_POLL_INTERVAL            20 /* msecs */
  45 #define FRITZ450E_KEYS_DEBOUNCE_INTERVAL        (3 * FRITZ450E_KEYS_POLL_INTERVAL)
  46
  47 #define FRITZ450E_PHY_ADDRESS                   0
  48 #define FRITZ450E_GPIO_PHY_RESET                11
  49 #define FRITZ450E_GPIO_MDIO_CLK         12
  50 #define FRITZ450E_GPIO_MDIO_DATA                19
  51
  52 #define FRITZ450E_OFFSET_URLADER_WIFI_MAC_REVERSE       0x1979
  53
  54
  55 static struct mtd_partition fritz450E_flash_partitions[] = {
  56         {
  57                 .name           = "urlader",
  58                 .offset         = 0,
  59                 .size           = 0x0020000,
  60                 .mask_flags     = MTD_WRITEABLE,
  61         }, {
  62                 .name           = "firmware",
  63                 .offset         = 0x0020000,
  64                 .size           = 0x0EE0000,
  65         }, {
  66                 .name           = "tffs (1)",
  67                 .offset         = 0x0f00000,
  68                 .size           = 0x0080000,
  69                 .mask_flags     = MTD_WRITEABLE,
  70         }, {
  71                 .name           = "tffs (2)",
  72                 .offset         = 0x0f80000,
  73                 .size           = 0x0080000,
  74                 .mask_flags     = MTD_WRITEABLE,
  75         }
  76 };
  77
  78 static struct flash_platform_data fritz450E_flash_data = {
  79         .parts          = fritz450E_flash_partitions,
  80         .nr_parts       = ARRAY_SIZE(fritz450E_flash_partitions),
  81 };
  82
  83 static struct gpio_led fritz450E_leds_gpio[] __initdata = {
  84         {
  85                 .name           = "fritz450e:green:lan",
  86                 .gpio           = FRITZ450E_GPIO_LED_LAN,
  87                 .active_low     = 1,
  88         }, {
  89                 .name           = "fritz450e:green:rssi2",
  90                 .gpio           = FRITZ450E_GPIO_LED_RSSI2,
  91                 .active_low     = 1,
  92         }, {
  93                 .name           = "fritz450e:green:rssi3",
  94                 .gpio           = FRITZ450E_GPIO_LED_RSSI3,
  95                 .active_low     = 1,
  96         }, {
  97                 .name           = "fritz450e:green:rssi4",
  98                 .gpio           = FRITZ450E_GPIO_LED_RSSI4,
  99                 .active_low     = 1,
 100         }, {
 101                 .name           = "fritz450e:green:wlan",
 102                 .gpio           = FRITZ450E_GPIO_LED_WLAN,
 103                 .active_low     = 1,
 104         }, {
 105                 .name           = "fritz450e:green:power",
 106                 .gpio           = FRITZ450E_GPIO_LED_POWER,
 107                 .active_low     = 0,
 108         },
 109 };
 110
 111 static struct gpio_keys_button fritz450E_gpio_keys[] __initdata = {
 112         {
 113                 .desc                   = "WPS Button",
 114                 .type                   = EV_KEY,
 115                 .code                   = KEY_WPS_BUTTON,
 116                 .debounce_interval      = FRITZ450E_KEYS_DEBOUNCE_INTERVAL,
 117                 .gpio                   = FRITZ450E_GPIO_BTN_WPS,
 118                 .active_low             = 1,
 119         }
 120 };
 121
 122 static struct at803x_platform_data fritz450E_at803x_data = {
 123         .disable_smarteee = 1,
 124         .has_reset_gpio = 1,
 125         .reset_gpio = FRITZ450E_GPIO_PHY_RESET,
 126 };
 127
 128 static struct mdio_board_info fritz450E_mdio_info[] = {
 129         {
 130                 .bus_id = "ag71xx-mdio.1",
 131                 .phy_addr = FRITZ450E_PHY_ADDRESS,
 132                 .platform_data = &fritz450E_at803x_data,
 133         },
 134 };
 135
 136 static void __init fritz450E_setup(void) {
 137         u8 *urlader = (u8 *) KSEG1ADDR(0x1f000000);
 138         u8 wifi_mac[ETH_ALEN];
 139
 140         ath79_register_m25p80(&fritz450E_flash_data);
 141
 142         gpio_request_one(FRITZ450E_GPIO_MDIO_CLK, GPIOF_OUT_INIT_HIGH, "MDC Pull-UP");
 143         gpio_request_one(FRITZ450E_GPIO_MDIO_DATA, GPIOF_OUT_INIT_HIGH, "MDIO Pull-UP");
 144         gpio_request_one(FRITZ450E_GPIO_PHY_RESET, GPIOF_OUT_INIT_HIGH, "PHY reset");
 145
 146         /* Register PHY device */
 147         mdiobus_register_board_info(fritz450E_mdio_info,
 148                                     ARRAY_SIZE(fritz450E_mdio_info));
 149
 150         /* Initialize Ethernet */
 151         ath79_extract_mac_reverse(urlader + FRITZ450E_OFFSET_URLADER_WIFI_MAC_REVERSE, wifi_mac);
 152         ath79_init_mac(ath79_eth0_data.mac_addr, wifi_mac, -2);
 153
 154         ath79_register_mdio(1, ~BIT(FRITZ450E_PHY_ADDRESS));
 155         ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
 156         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_SGMII;
 157         ath79_eth0_data.phy_mask = BIT(FRITZ450E_PHY_ADDRESS);
 158         ath79_eth0_data.enable_sgmii_fixup = 1;
 159         ath79_eth0_pll_data.pll_1000 = 0x03000000;
 160         ath79_eth0_pll_data.pll_100 = 0x00000101;
 161         ath79_eth0_pll_data.pll_10 = 0x00001313;
 162         ath79_register_eth(0);
 163
 164         /* Initialize 2.4GHz WiFi */
 165         ath79_register_wmac_simple();
 166
 167         /* Register GPIO buttons */
 168         ath79_register_gpio_keys_polled(-1, FRITZ450E_KEYS_POLL_INTERVAL,
 169                                         ARRAY_SIZE(fritz450E_gpio_keys),
 170                                         fritz450E_gpio_keys);
 171
 172         /* Register LEDs */
 173         ath79_register_leds_gpio(-1, ARRAY_SIZE(fritz450E_leds_gpio),
 174                                  fritz450E_leds_gpio);
 175 }
 176
 177 MIPS_MACHINE(ATH79_MACH_FRITZ450E, "FRITZ450E",
 178              "AVM FRITZ!WLAN Repeater 450E", fritz450E_setup);