target/linux/ar71xx/files/arch/mips/ath79/mach-re450.c

   1 /*
   2  * TP-LINK RE355/RE450 board support
   3  *
   4  * Copyright (c) 2013 Gabor Juhos <juhosg@openwrt.org>
   5  * Copyright (c) 2016 Tal Keren <kooolk@gmail.com>
   6  * Copyright (c) 2018 Henryk Heisig <hyniu@o2.pl>
   7  *
   8  * Based on the Qualcomm Atheros AP135/AP136 reference board support code
   9  *   Copyright (c) 2012 Qualcomm Atheros
  10  *
  11  * Permission to use, copy, modify, and/or distribute this software for any
  12  * purpose with or without fee is hereby granted, provided that the above
  13  * copyright notice and this permission notice appear in all copies.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  16  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  17  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  18  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  19  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  20  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  21  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  22  *
  23  */
  24
  25 #include <linux/pci.h>
  26 #include <linux/phy.h>
  27 #include <linux/gpio.h>
  28 #include <linux/platform_data/mdio-gpio.h>
  29 #include <linux/platform_device.h>
  30 #include <linux/ar8216_platform.h>
  31
  32 #include <asm/mach-ath79/ath79.h>
  33 #include <asm/mach-ath79/ar71xx_regs.h>
  34
  35 #include "common.h"
  36 #include "dev-ap9x-pci.h"
  37 #include "dev-eth.h"
  38 #include "dev-gpio-buttons.h"
  39 #include "dev-leds-gpio.h"
  40 #include "dev-m25p80.h"
  41 #include "dev-wmac.h"
  42 #include "machtypes.h"
  43 #include "pci.h"
  44
  45 #define RE450_GPIO_LED_SYSTEM           12
  46 #define RE450_GPIO_LED_WLAN2G           13
  47 #define RE450_GPIO_LED_WLAN5G           14
  48 #define RE450_GPIO_LED_LAN_DATA         17
  49 #define RE450_GPIO_LED_JUMPSTART        21
  50 #define RE450_GPIO_LED_JUMPSTART_RED    22
  51 #define RE450_GPIO_LED_LAN_LINK         23
  52
  53 #define RE450_GPIO_BTN_RESET            18
  54 #define RE450_GPIO_BTN_LED              19
  55 #define RE450_GPIO_BTN_JUMPSTART        20
  56
  57 #define RE450_GPIO_SMI_MDIO             1
  58 #define RE450_GPIO_SMI_MDC              3
  59
  60 #define RE450_LAN_PHYADDR               4
  61
  62 #define RE450_KEYS_POLL_INTERVAL        20      /* msecs */
  63 #define RE450_KEYS_DEBOUNCE_INTERVAL (3 * RE450_KEYS_POLL_INTERVAL)
  64
  65 #define RE450_WMAC_CALDATA_OFFSET       0x1000
  66
  67 static const char *tl_re450_part_probes[] = {
  68         "cmdlinepart",
  69         NULL,
  70 };
  71
  72 static struct flash_platform_data tl_re450_flash_data = {
  73         .part_probes    = tl_re450_part_probes,
  74 };
  75
  76 static struct gpio_led re355_leds_gpio[] __initdata = {
  77         {
  78                 .name           = "re355:blue:power",
  79                 .gpio           = RE450_GPIO_LED_SYSTEM,
  80                 .active_low     = 1,
  81         },
  82         {
  83                 .name           = "re355:blue:wlan2g",
  84                 .gpio           = RE450_GPIO_LED_WLAN2G,
  85                 .active_low     = 1,
  86         },
  87         {
  88                 .name           = "re355:blue:wlan5g",
  89                 .gpio           = RE450_GPIO_LED_WLAN5G,
  90                 .active_low     = 1,
  91         },
  92         {
  93                 .name           = "re355:blue:wps",
  94                 .gpio           = RE450_GPIO_LED_JUMPSTART,
  95         },
  96         {
  97                 .name           = "re355:red:wps",
  98                 .gpio           = RE450_GPIO_LED_JUMPSTART_RED,
  99         },
 100         {
 101                 .name           = "re355:green:lan_data",
 102                 .gpio           = RE450_GPIO_LED_LAN_DATA,
 103                 .active_low     = 1,
 104         },
 105         {
 106                 .name           = "re355:green:lan_link",
 107                 .gpio           = RE450_GPIO_LED_LAN_LINK,
 108                 .active_low     = 1,
 109         },
 110 };
 111
 112 static struct gpio_led re450_leds_gpio[] __initdata = {
 113         {
 114                 .name           = "re450:blue:power",
 115                 .gpio           = RE450_GPIO_LED_SYSTEM,
 116                 .active_low     = 1,
 117         },
 118         {
 119                 .name           = "re450:blue:wlan2g",
 120                 .gpio           = RE450_GPIO_LED_WLAN2G,
 121                 .active_low     = 1,
 122         },
 123         {
 124                 .name           = "re450:blue:wlan5g",
 125                 .gpio           = RE450_GPIO_LED_WLAN5G,
 126                 .active_low     = 1,
 127         },
 128         {
 129                 .name           = "re450:blue:wps",
 130                 .gpio           = RE450_GPIO_LED_JUMPSTART,
 131         },
 132         {
 133                 .name           = "re450:red:wps",
 134                 .gpio           = RE450_GPIO_LED_JUMPSTART_RED,
 135         },
 136         {
 137                 .name           = "re450:green:lan_data",
 138                 .gpio           = RE450_GPIO_LED_LAN_DATA,
 139                 .active_low     = 1,
 140         },
 141         {
 142                 .name           = "re450:green:lan_link",
 143                 .gpio           = RE450_GPIO_LED_LAN_LINK,
 144                 .active_low     = 1,
 145         },
 146 };
 147
 148 static struct gpio_keys_button re450_gpio_keys[] __initdata = {
 149         {
 150                 .desc           = "Reset button",
 151                 .type           = EV_KEY,
 152                 .code           = KEY_WPS_BUTTON,
 153                 .debounce_interval = RE450_KEYS_DEBOUNCE_INTERVAL,
 154                 .gpio           = RE450_GPIO_BTN_RESET,
 155                 .active_low     = 1,
 156         },
 157         {
 158                 .desc           = "WPS button",
 159                 .type           = EV_KEY,
 160                 .code           = KEY_RESTART,
 161                 .debounce_interval = RE450_KEYS_DEBOUNCE_INTERVAL,
 162                 .gpio           = RE450_GPIO_BTN_JUMPSTART,
 163                 .active_low     = 1,
 164         },
 165         {
 166                 .desc           = "Control LED button",
 167                 .type           = EV_KEY,
 168                 .code           = BTN_0,
 169                 .debounce_interval = RE450_KEYS_DEBOUNCE_INTERVAL,
 170                 .gpio           = RE450_GPIO_BTN_LED,
 171                 .active_low     = 1,
 172         },
 173 };
 174
 175 static struct mdio_gpio_platform_data re450_mdio = {
 176         .mdc            = RE450_GPIO_SMI_MDC,
 177         .mdio           = RE450_GPIO_SMI_MDIO,
 178         .phy_mask       = ~BIT(RE450_LAN_PHYADDR),
 179 };
 180
 181 static struct platform_device re450_phy_device = {
 182         .name   = "mdio-gpio",
 183         .id     = 0,
 184         .dev    = {
 185                 .platform_data = &re450_mdio,
 186         },
 187 };
 188
 189 static void __init rex5x_setup(void)
 190 {
 191         u8 *mac = (u8 *) KSEG1ADDR(0x1f610008);
 192         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
 193         u8 tmpmac[ETH_ALEN];
 194
 195         ath79_register_m25p80(&tl_re450_flash_data);
 196         ath79_register_gpio_keys_polled(-1, RE450_KEYS_POLL_INTERVAL,
 197                                         ARRAY_SIZE(re450_gpio_keys),
 198                                         re450_gpio_keys);
 199
 200         ath79_init_mac(tmpmac, mac, -1);
 201         ath79_register_wmac(art + RE450_WMAC_CALDATA_OFFSET, tmpmac);
 202
 203         ath79_register_pci();
 204
 205         /* MDIO Interface */
 206         platform_device_register(&re450_phy_device);
 207
 208         ath79_setup_qca955x_eth_cfg(QCA955X_ETH_CFG_RGMII_EN);
 209
 210         /* GMAC0 is connected to the RGMII interface to an Atheros AR8035-A */
 211         ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
 212         ath79_eth0_data.mii_bus_dev = &re450_phy_device.dev;
 213         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 214         ath79_eth0_data.phy_mask = BIT(RE450_LAN_PHYADDR);
 215         ath79_eth0_pll_data.pll_1000 = 0xa6000000;
 216         ath79_eth0_pll_data.pll_100 = 0xa0000101;
 217         ath79_eth0_pll_data.pll_10 = 0x80001313;
 218         ath79_register_eth(0);
 219 }
 220
 221 static void __init re355_setup(void)
 222 {
 223         rex5x_setup();
 224         ath79_register_leds_gpio(-1, ARRAY_SIZE(re355_leds_gpio),
 225                                  re355_leds_gpio);
 226 }
 227
 228 MIPS_MACHINE(ATH79_MACH_RE355, "RE355", "TP-LINK RE355",
 229              re355_setup)
 230
 231 static void __init re450_setup(void)
 232 {
 233         rex5x_setup();
 234         ath79_register_leds_gpio(-1, ARRAY_SIZE(re450_leds_gpio),
 235                                  re450_leds_gpio);
 236 }
 237
 238 MIPS_MACHINE(ATH79_MACH_RE450, "RE450", "TP-LINK RE450",
 239              re450_setup)