target/linux/ar71xx/files/arch/mips/ath79/mach-dlan-pro-1200-ac.c

   1 /*
   2  * devolo dLAN pro 500 Wireless+ support
   3  *
   4  * Copyright (c) 2013-2015 devolo AG
   5  * Copyright (c) 2011-2012 Gabor Juhos <juhosg@openwrt.org>
   6  *
   7  * Permission to use, copy, modify, and/or distribute this software for any
   8  * purpose with or without fee is hereby granted, provided that the above
   9  * copyright notice and this permission notice appear in all copies.
  10  *
  11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  18  *
  19  */
  20
  21 #include <linux/pci.h>
  22 #include <linux/phy.h>
  23 #include <linux/platform_device.h>
  24 #include <linux/ath9k_platform.h>
  25 #include <linux/ar8216_platform.h>
  26 #include <linux/gpio.h>
  27
  28 #include <asm/mach-ath79/ar71xx_regs.h>
  29
  30 #include "common.h"
  31 #include "dev-ap9x-pci.h"
  32 #include "dev-eth.h"
  33 #include "dev-gpio-buttons.h"
  34 #include "dev-leds-gpio.h"
  35 #include "dev-m25p80.h"
  36 #include "dev-nfc.h"
  37 #include "dev-spi.h"
  38 #include "dev-wmac.h"
  39 #include "machtypes.h"
  40
  41 #define DLAN_PRO_1200_AC_GPIO_DLAN_POWER_ENABLE         13
  42 #define DLAN_PRO_1200_AC_GPIO_WLAN_POWER_ENABLE         21
  43 #define DLAN_PRO_1200_AC_GPIO_LED_WLAN          12
  44 #define DLAN_PRO_1200_AC_GPIO_LED_DLAN                  14
  45 #define DLAN_PRO_1200_AC_GPIO_LED_DLAN_ERR                      15
  46
  47 #define DLAN_PRO_1200_AC_GPIO_BTN_WLAN                  20
  48 #define DLAN_PRO_1200_AC_GPIO_BTN_DLAN                  22
  49 #define DLAN_PRO_1200_AC_GPIO_BTN_RESET                 4
  50 #define DLAN_PRO_1200_AC_GPIO_DLAN_IND          17
  51 #define DLAN_PRO_1200_AC_GPIO_DLAN_ERR_IND      16
  52
  53 #define DLAN_PRO_1200_AC_KEYS_POLL_INTERVAL             20      /* msecs */
  54 #define DLAN_PRO_1200_AC_KEYS_DEBOUNCE_INTERVAL         (3 * DLAN_PRO_1200_AC_KEYS_POLL_INTERVAL)
  55
  56 #define DLAN_PRO_1200_AC_ART_ADDRESS                    0x1fff0000
  57 #define DLAN_PRO_1200_AC_CALDATA_OFFSET                 0x1000
  58 #define DLAN_PRO_1200_AC_WIFIMAC_OFFSET                 0x1002
  59 #define DLAN_PRO_1200_AC_PCIE_CALDATA_OFFSET    0x5000
  60
  61 static struct gpio_led dlan_pro_1200_ac_leds_gpio[] __initdata = {
  62         {
  63                 .name                   = "devolo:status:wlan",
  64                 .gpio                   = DLAN_PRO_1200_AC_GPIO_LED_WLAN,
  65                 .active_low             = 1,
  66         },
  67         {
  68                 .name                   = "devolo:status:dlan",
  69                 .gpio                   = DLAN_PRO_1200_AC_GPIO_LED_DLAN,
  70                 .active_low             = 1,
  71         },
  72         {
  73                 .name                   = "devolo:error:dlan",
  74                 .gpio                   = DLAN_PRO_1200_AC_GPIO_LED_DLAN_ERR,
  75                 .active_low             = 0,
  76         }
  77 };
  78
  79 static struct gpio_keys_button dlan_pro_1200_ac_gpio_keys[] __initdata = {
  80         {
  81                 .desc           = "dLAN button",
  82                 .type           = EV_KEY,
  83                 .code           = BTN_0,
  84                 .debounce_interval = DLAN_PRO_1200_AC_KEYS_DEBOUNCE_INTERVAL,
  85                 .gpio           = DLAN_PRO_1200_AC_GPIO_BTN_DLAN,
  86                 .active_low     = 1,
  87         },
  88         {
  89                 .desc           = "WLAN button",
  90                 .type           = EV_KEY,
  91                 .code           = KEY_WPS_BUTTON,
  92                 .debounce_interval = DLAN_PRO_1200_AC_KEYS_DEBOUNCE_INTERVAL,
  93                 .gpio           = DLAN_PRO_1200_AC_GPIO_BTN_WLAN,
  94                 .active_low     = 0,
  95         },
  96         {
  97                 .desc           = "Reset button",
  98                 .type           = EV_KEY,
  99                 .code           = KEY_RESTART,
 100                 .debounce_interval = DLAN_PRO_1200_AC_KEYS_DEBOUNCE_INTERVAL,
 101                 .gpio           = DLAN_PRO_1200_AC_GPIO_BTN_RESET,
 102                 .active_low     = 1,
 103         }
 104 };
 105
 106 static struct ar8327_pad_cfg dlan_pro_1200_ac_ar8327_pad0_cfg = {
 107         .mode = AR8327_PAD_MAC_RGMII,
 108         .txclk_delay_en = true,
 109         .rxclk_delay_en = false,
 110         .txclk_delay_sel = AR8327_CLK_DELAY_SEL1,
 111         .rxclk_delay_sel = AR8327_CLK_DELAY_SEL0,
 112         .mac06_exchange_dis = true,
 113 };
 114
 115 static struct ar8327_pad_cfg dlan_pro_1200_ac_ar8327_pad5_cfg = {
 116         .mode = 0,
 117         .txclk_delay_en = 0,
 118         .rxclk_delay_en = 0,
 119         .txclk_delay_sel = 0,
 120         .rxclk_delay_sel = 0,
 121 };
 122
 123 static struct ar8327_platform_data dlan_pro_1200_ac_ar8327_data = {
 124         .pad0_cfg = &dlan_pro_1200_ac_ar8327_pad0_cfg,
 125         .pad5_cfg = &dlan_pro_1200_ac_ar8327_pad5_cfg,
 126         .port0_cfg = {
 127                 .force_link = 1,
 128                 .speed = AR8327_PORT_SPEED_1000,
 129                 .duplex = 1,
 130                 .txpause = 1,
 131                 .rxpause = 1,
 132         },
 133 };
 134
 135 static struct mdio_board_info dlan_pro_1200_ac_mdio0_info[] = {
 136         {
 137                 .bus_id = "ag71xx-mdio.0",
 138                 .phy_addr = 0,
 139                 .platform_data = &dlan_pro_1200_ac_ar8327_data,
 140         },
 141 };
 142
 143 static void __init dlan_pro_1200_ac_setup(void)
 144 {
 145         u8 *art = (u8 *) KSEG1ADDR(DLAN_PRO_1200_AC_ART_ADDRESS);
 146         u8 *cal = art + DLAN_PRO_1200_AC_CALDATA_OFFSET;
 147         u8 *wifi_mac = art + DLAN_PRO_1200_AC_WIFIMAC_OFFSET;
 148
 149         ath79_register_m25p80(NULL);
 150
 151         ath79_register_leds_gpio(-1, ARRAY_SIZE(dlan_pro_1200_ac_leds_gpio),
 152                                  dlan_pro_1200_ac_leds_gpio);
 153
 154         ath79_register_gpio_keys_polled(-1, DLAN_PRO_1200_AC_KEYS_POLL_INTERVAL,
 155                                         ARRAY_SIZE(dlan_pro_1200_ac_gpio_keys),
 156                                         dlan_pro_1200_ac_gpio_keys);
 157
 158         /* dLAN power must be enabled from user-space as soon as the boot-from-host daemon is running */
 159         gpio_request_one(DLAN_PRO_1200_AC_GPIO_DLAN_POWER_ENABLE,
 160                          GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED,
 161                          "dLAN power");
 162
 163         /* WLAN power is turned on initially to allow the PCI bus scan to succeed */
 164         gpio_request_one(DLAN_PRO_1200_AC_GPIO_WLAN_POWER_ENABLE,
 165                          GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
 166                          "WLAN power");
 167
 168         ath79_register_wmac(cal, wifi_mac);
 169         ap91_pci_init(art + DLAN_PRO_1200_AC_PCIE_CALDATA_OFFSET, NULL);
 170
 171         ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0 | AR934X_ETH_CFG_SW_ONLY_MODE);
 172
 173         ath79_register_mdio(1, 0x0);
 174         ath79_register_mdio(0, 0x0);
 175
 176         ath79_init_mac(ath79_eth0_data.mac_addr, wifi_mac, 2);
 177
 178         mdiobus_register_board_info(dlan_pro_1200_ac_mdio0_info,
 179                                     ARRAY_SIZE(dlan_pro_1200_ac_mdio0_info));
 180
 181         /* GMAC0 is connected to an AR8337 */
 182         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 183         ath79_eth0_data.phy_mask = BIT(0);
 184         ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
 185         ath79_eth0_pll_data.pll_1000 = 0x02000000;
 186         ath79_register_eth(0);
 187 }
 188
 189 MIPS_MACHINE(ATH79_MACH_DLAN_PRO_1200_AC, "dLAN-pro-1200-ac", "devolo dLAN pro 1200+ WiFi ac",
 190              dlan_pro_1200_ac_setup);