target/linux/ar71xx/files/arch/mips/ath79/mach-archer-c7-v4.c

   1
   2 /*
   3  * Atheros ARCHER_C7 reference board support
   4  *
   5  * Copyright (c) 2017 Felix Fietkau <nbd@nbd.name>
   6  * Copyright (c) 2014 The Linux Foundation. All rights reserved.
   7  * Copyright (c) 2012 Gabor Juhos <juhosg@openwrt.org>
   8  *
   9  * Permission to use, copy, modify, and/or distribute this software for any
  10  * purpose with or without fee is hereby granted, provided that the above
  11  * copyright notice and this permission notice appear in all copies.
  12  *
  13  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  14  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  15  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  16  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  17  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  18  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  19  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  20  *
  21  */
  22
  23 #include <linux/platform_device.h>
  24 #include <linux/ath9k_platform.h>
  25 #include <linux/ar8216_platform.h>
  26 #include <linux/proc_fs.h>
  27 #include <linux/gpio.h>
  28 #include <linux/spi/spi_gpio.h>
  29 #include <linux/spi/74x164.h>
  30
  31 #include <asm/mach-ath79/ar71xx_regs.h>
  32
  33 #include "common.h"
  34 #include "dev-m25p80.h"
  35 #include "machtypes.h"
  36 #include "pci.h"
  37 #include "dev-eth.h"
  38 #include "dev-gpio-buttons.h"
  39 #include "dev-leds-gpio.h"
  40 #include "dev-spi.h"
  41 #include "dev-usb.h"
  42 #include "dev-wmac.h"
  43
  44
  45 #define ARCHER_C7_GPIO_SHIFT_OE         1
  46 #define ARCHER_C7_GPIO_SHIFT_SER        14
  47 #define ARCHER_C7_GPIO_SHIFT_SRCLK      15
  48 #define ARCHER_C7_GPIO_SHIFT_RCLK       16
  49 #define ARCHER_C7_GPIO_SHIFT_SRCLR      21
  50
  51 #define ARCHER_C7_GPIO_BTN_RESET        5
  52 #define ARCHER_C7_GPIO_BTN_WPS_WIFI     2
  53
  54 #define ARCHER_C7_GPIO_LED_WLAN5        9
  55 #define ARCHER_C7_GPIO_LED_POWER        6
  56 #define ARCHER_C7_GPIO_LED_USB1         7
  57 #define ARCHER_C7_GPIO_LED_USB2         8
  58
  59 #define ARCHER_C7_74HC_GPIO_BASE        32
  60 #define ARCHER_C7_GPIO_LED_WPS          (ARCHER_C7_74HC_GPIO_BASE + 0)
  61 #define ARCHER_C7_GPIO_LED_LAN1         (ARCHER_C7_74HC_GPIO_BASE + 1)
  62 #define ARCHER_C7_GPIO_LED_LAN2         (ARCHER_C7_74HC_GPIO_BASE + 2)
  63 #define ARCHER_C7_GPIO_LED_LAN3         (ARCHER_C7_74HC_GPIO_BASE + 3)
  64 #define ARCHER_C7_GPIO_LED_LAN4         (ARCHER_C7_74HC_GPIO_BASE + 4)
  65 #define ARCHER_C7_GPIO_LED_WAN_GREEN    (ARCHER_C7_74HC_GPIO_BASE + 5)
  66 #define ARCHER_C7_GPIO_LED_WAN_AMBER    (ARCHER_C7_74HC_GPIO_BASE + 6)
  67 #define ARCHER_C7_GPIO_LED_WLAN2        (ARCHER_C7_74HC_GPIO_BASE + 7)
  68
  69 #define ARCHER_C7_KEYS_POLL_INTERVAL        20     /* msecs */
  70 #define ARCHER_C7_KEYS_DEBOUNCE_INTERVAL    (3 * ARCHER_C7_KEYS_POLL_INTERVAL)
  71
  72 #define ARCHER_C7_MAC0_OFFSET               0
  73 #define ARCHER_C7_MAC1_OFFSET               6
  74 #define ARCHER_C7_WMAC_CALDATA_OFFSET       0x1000
  75
  76 #define ARCHER_C7_GPIO_MDC                      3
  77 #define ARCHER_C7_GPIO_MDIO                     4
  78
  79 static struct spi_gpio_platform_data archer_c7_v4_spi_data = {
  80         .sck            = ARCHER_C7_GPIO_SHIFT_SRCLK,
  81         .miso           = SPI_GPIO_NO_MISO,
  82         .mosi           = ARCHER_C7_GPIO_SHIFT_SER,
  83         .num_chipselect = 1,
  84 };
  85
  86 static u8 archer_c7_v4_ssr_initdata = 0xff;
  87
  88 static struct gen_74x164_chip_platform_data archer_c7_v4_ssr_data = {
  89         .base = ARCHER_C7_74HC_GPIO_BASE,
  90         .num_registers = 1,
  91         .init_data = &archer_c7_v4_ssr_initdata,
  92 };
  93
  94 static struct platform_device archer_c7_v4_spi_device = {
  95         .name           = "spi_gpio",
  96         .id             = 1,
  97         .dev = {
  98                 .platform_data = &archer_c7_v4_spi_data,
  99         },
 100 };
 101
 102 static struct spi_board_info archer_c7_v4_spi_info[] = {
 103         {
 104                 .bus_num                = 1,
 105                 .chip_select            = 0,
 106                 .max_speed_hz           = 10000000,
 107                 .modalias               = "74x164",
 108                 .platform_data          = &archer_c7_v4_ssr_data,
 109                 .controller_data        = (void *) ARCHER_C7_GPIO_SHIFT_RCLK,
 110         },
 111 };
 112
 113 static struct gpio_led archer_c7_v4_leds_gpio[] __initdata = {
 114         {
 115                 .name           = "archer-c7-v4:green:power",
 116                 .gpio           = ARCHER_C7_GPIO_LED_POWER,
 117                 .active_low     = 1,
 118         }, {
 119                 .name           = "archer-c7-v4:green:wps",
 120                 .gpio           = ARCHER_C7_GPIO_LED_WPS,
 121                 .active_low     = 1,
 122         }, {
 123                 .name           = "archer-c7-v4:green:wlan2g",
 124                 .gpio           = ARCHER_C7_GPIO_LED_WLAN2,
 125                 .active_low     = 1,
 126         }, {
 127                 .name           = "archer-c7-v4:green:wlan5g",
 128                 .gpio           = ARCHER_C7_GPIO_LED_WLAN5,
 129                 .active_low     = 1,
 130         }, {
 131                 .name           = "archer-c7-v4:green:lan1",
 132                 .gpio           = ARCHER_C7_GPIO_LED_LAN1,
 133                 .active_low     = 1,
 134         }, {
 135                 .name           = "archer-c7-v4:green:lan2",
 136                 .gpio           = ARCHER_C7_GPIO_LED_LAN2,
 137                 .active_low     = 1,
 138         }, {
 139                 .name           = "archer-c7-v4:green:lan3",
 140                 .gpio           = ARCHER_C7_GPIO_LED_LAN3,
 141                 .active_low     = 1,
 142         }, {
 143                 .name           = "archer-c7-v4:green:lan4",
 144                 .gpio           = ARCHER_C7_GPIO_LED_LAN4,
 145                 .active_low     = 1,
 146         }, {
 147                 .name           = "archer-c7-v4:green:wan",
 148                 .gpio           =  ARCHER_C7_GPIO_LED_WAN_GREEN,
 149                 .active_low     = 1,
 150         }, {
 151                 .name           = "archer-c7-v4:amber:wan",
 152                 .gpio           =  ARCHER_C7_GPIO_LED_WAN_AMBER,
 153                 .active_low     = 1,
 154         }, {
 155                 .name           = "archer-c7-v4:green:usb1",
 156                 .gpio           =  ARCHER_C7_GPIO_LED_USB1,
 157                 .active_low     = 1,
 158         }, {
 159                 .name           = "archer-c7-v4:green:usb2",
 160                 .gpio           =  ARCHER_C7_GPIO_LED_USB2,
 161                 .active_low     = 1,
 162         },
 163 };
 164
 165 static struct gpio_keys_button archer_c7_v4_gpio_keys[] __initdata = {
 166         {
 167                 .desc           = "WPS and WIFI button",
 168                 .type           = EV_KEY,
 169                 .code           = KEY_WPS_BUTTON,
 170                 .debounce_interval = ARCHER_C7_KEYS_DEBOUNCE_INTERVAL,
 171                 .gpio           = ARCHER_C7_GPIO_BTN_WPS_WIFI,
 172                 .active_low     = 1,
 173         },
 174         {
 175                 .desc           = "Reset button",
 176                 .type           = EV_KEY,
 177                 .code           = KEY_RESTART,
 178                 .debounce_interval = ARCHER_C7_KEYS_DEBOUNCE_INTERVAL,
 179                 .gpio           = ARCHER_C7_GPIO_BTN_RESET,
 180                 .active_low     = 1,
 181         },
 182 };
 183
 184 static struct ar8327_pad_cfg archer_c7_v4_ar8337_pad0_cfg = {
 185         .mode = AR8327_PAD_MAC_SGMII,
 186         .sgmii_delay_en = true,
 187 };
 188
 189 static struct ar8327_platform_data archer_c7_v4_ar8337_data = {
 190         .pad0_cfg = &archer_c7_v4_ar8337_pad0_cfg,
 191         .port0_cfg = {
 192                 .force_link = 1,
 193                 .speed = AR8327_PORT_SPEED_1000,
 194                 .duplex = 1,
 195                 .txpause = 1,
 196                 .rxpause = 1,
 197         },
 198 };
 199
 200 static struct mdio_board_info archer_c7_v4_mdio0_info[] = {
 201         {
 202                 .bus_id = "ag71xx-mdio.0",
 203                 .mdio_addr = 0,
 204                 .platform_data = &archer_c7_v4_ar8337_data,
 205         },
 206 };
 207
 208
 209 static void __init archer_c7_v4_setup(void)
 210 {
 211         u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
 212         u8 *mac = (u8 *) KSEG1ADDR(0x1ff00008);
 213
 214         ath79_register_m25p80(NULL);
 215
 216         spi_register_board_info(archer_c7_v4_spi_info,
 217                                 ARRAY_SIZE(archer_c7_v4_spi_info));
 218
 219         platform_device_register(&archer_c7_v4_spi_device);
 220
 221         gpio_request_one(ARCHER_C7_GPIO_SHIFT_OE,
 222                          GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED,
 223                          "LED control");
 224
 225         gpio_request_one(ARCHER_C7_GPIO_SHIFT_SRCLR,
 226                          GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
 227                          "LED reset");
 228
 229         ath79_register_leds_gpio(-1, ARRAY_SIZE(archer_c7_v4_leds_gpio),
 230                                 archer_c7_v4_leds_gpio);
 231
 232         ath79_register_gpio_keys_polled(-1, ARCHER_C7_KEYS_POLL_INTERVAL,
 233                                         ARRAY_SIZE(archer_c7_v4_gpio_keys),
 234                                         archer_c7_v4_gpio_keys);
 235
 236         ath79_register_usb();
 237
 238         ath79_gpio_output_select(ARCHER_C7_GPIO_MDC, QCA956X_GPIO_OUT_MUX_GE0_MDC);
 239         ath79_gpio_output_select(ARCHER_C7_GPIO_MDIO, QCA956X_GPIO_OUT_MUX_GE0_MDO);
 240
 241         ath79_register_mdio(0, 0x0);
 242
 243         mdiobus_register_board_info(archer_c7_v4_mdio0_info,
 244                                     ARRAY_SIZE(archer_c7_v4_mdio0_info));
 245
 246         ath79_register_wmac(art + ARCHER_C7_WMAC_CALDATA_OFFSET, mac);
 247         ath79_register_pci();
 248
 249         /* GMAC0 is connected to an AR8337 switch */
 250         ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
 251         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_SGMII;
 252         ath79_eth0_data.speed = SPEED_1000;
 253         ath79_eth0_data.duplex = DUPLEX_FULL;
 254         ath79_eth0_data.phy_mask = BIT(0);
 255         ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
 256         ath79_register_eth(0);
 257 }
 258
 259 MIPS_MACHINE(ATH79_MACH_ARCHER_C7_V4, "ARCHER-C7-V4", "TP-LINK Archer C7 v4",
 260              archer_c7_v4_setup);