target/linux/ar71xx/files/arch/mips/ath79/mach-z1.c

   1 /*
   2  *  Cisco Meraki Z1 board support
   3  *
   4  *  Copyright (C) 2016 Chris Blake <chrisrblake93@gmail.com>
   5  *  Copyright (C) 2016 Christian Lamparter <chunkeey@googlemail.com>
   6  *
   7  *  Based on Cisco Meraki GPL Release r23-20150601 Z1 Device Config
   8  *
   9  *  This program is free software; you can redistribute it and/or modify it
  10  *  under the terms of the GNU General Public License version 2 as published
  11  *  by the Free Software Foundation.
  12  */
  13 #include <linux/platform_device.h>
  14 #include <linux/ath9k_platform.h>
  15 #include <linux/ar8216_platform.h>
  16 #include <linux/platform/ar934x_nfc.h>
  17
  18 #include <asm/mach-ath79/ath79.h>
  19 #include <asm/mach-ath79/ar71xx_regs.h>
  20
  21 #include <linux/leds-nu801.h>
  22 #include <linux/firmware.h>
  23 #include <linux/pci.h>
  24
  25 #include "common.h"
  26 #include "dev-eth.h"
  27 #include "dev-gpio-buttons.h"
  28 #include "dev-leds-gpio.h"
  29 #include "dev-nfc.h"
  30 #include "dev-usb.h"
  31 #include "dev-wmac.h"
  32 #include "dev-ap9x-pci.h"
  33 #include "machtypes.h"
  34
  35 #define Z1_GPIO_LED_POWER_ORANGE        17
  36
  37 #define Z1_GPIO_NU801_CKI               14
  38 #define Z1_GPIO_NU801_SDI               15
  39
  40 #define Z1_GPIO_XLNA0                   18
  41 #define Z1_GPIO_XLNA1                   19
  42
  43 #define Z1_GPIO_BTN_RESET               12
  44 #define Z1_KEYS_POLL_INTERVAL           20  /* msecs */
  45 #define Z1_KEYS_DEBOUNCE_INTERVAL       (3 * Z1_KEYS_POLL_INTERVAL)
  46
  47 #define Z1_ETH_SWITCH_PHY               0
  48
  49 static struct gpio_led Z1_leds_gpio[] __initdata = {
  50         {
  51                 .name = "z1:orange:power",
  52                 .gpio = Z1_GPIO_LED_POWER_ORANGE,
  53                 .active_low  = 1,
  54         },
  55 };
  56
  57 static struct gpio_keys_button Z1_gpio_keys[] __initdata = {
  58         {
  59                 .desc = "reset",
  60                 .type = EV_KEY,
  61                 .code = KEY_RESTART,
  62                 .debounce_interval = Z1_KEYS_DEBOUNCE_INTERVAL,
  63                 .gpio    = Z1_GPIO_BTN_RESET,
  64                 .active_low  = 1,
  65         },
  66 };
  67
  68 static struct led_nu801_template tricolor_led_template = {
  69         .device_name = "z1",
  70         .name = "tricolor",
  71         .num_leds = 1,
  72         .cki = Z1_GPIO_NU801_CKI,
  73         .sdi = Z1_GPIO_NU801_SDI,
  74         .lei = -1,
  75         .ndelay = 500,
  76         .init_brightness = {
  77                 LED_OFF,
  78                 LED_OFF,
  79                 LED_OFF,
  80         },
  81         .default_trigger = "none",
  82 };
  83
  84 static struct led_nu801_platform_data tricolor_led_data = {
  85         .num_controllers = 1,
  86         .template = &tricolor_led_template,
  87 };
  88
  89 static struct platform_device tricolor_leds = {
  90         .name = "leds-nu801",
  91         .id = -1,
  92         .dev.platform_data = &tricolor_led_data,
  93 };
  94
  95 static struct ar8327_pad_cfg z1_ar8327_pad0_cfg = {
  96         .mode = AR8327_PAD_MAC_RGMII,
  97         .txclk_delay_en = true,
  98         .rxclk_delay_en = true,
  99         .txclk_delay_sel = AR8327_CLK_DELAY_SEL1,
 100         .rxclk_delay_sel = AR8327_CLK_DELAY_SEL2,
 101 };
 102
 103 static struct ar8327_platform_data z1_ar8327_data = {
 104         .pad0_cfg = &z1_ar8327_pad0_cfg,
 105         .port0_cfg = {
 106                 .force_link = 1,
 107                 .speed = AR8327_PORT_SPEED_1000,
 108                 .duplex = 1,
 109                 .txpause = 1,
 110                 .rxpause = 1,
 111         },
 112 };
 113
 114 static struct mdio_board_info z1_mdio0_info[] = {
 115         {
 116                 .bus_id = "ag71xx-mdio.0",
 117                 .phy_addr = Z1_ETH_SWITCH_PHY,
 118                 .platform_data = &z1_ar8327_data,
 119         },
 120 };
 121
 122 static void __init z1_setup(void)
 123 {
 124         /* NAND */
 125         ath79_nfc_set_ecc_mode(AR934X_NFC_ECC_SOFT_BCH);
 126         ath79_register_nfc();
 127
 128         /* Eth Config */
 129         ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0 |
 130                                    AR934X_ETH_CFG_SW_ONLY_MODE);
 131
 132         /* MDIO Interface */
 133         ath79_register_mdio(1, 0x0);
 134         ath79_register_mdio(0, 0x0);
 135         mdiobus_register_board_info(z1_mdio0_info,
 136                                     ARRAY_SIZE(z1_mdio0_info));
 137
 138         /* GMAC0 is connected to an AR8327 switch */
 139         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 140         ath79_eth0_data.phy_mask = BIT(Z1_ETH_SWITCH_PHY);
 141         ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
 142         ath79_eth0_pll_data.pll_1000 = 0x06000000;
 143         ath79_register_eth(0);
 144
 145         /* XLNA */
 146         ath79_wmac_set_ext_lna_gpio(0, Z1_GPIO_XLNA0);
 147         ath79_wmac_set_ext_lna_gpio(1, Z1_GPIO_XLNA1);
 148
 149         /* LEDs and Buttons */
 150         platform_device_register(&tricolor_leds);
 151         ath79_register_leds_gpio(-1, ARRAY_SIZE(Z1_leds_gpio),
 152                                  Z1_leds_gpio);
 153         ath79_register_gpio_keys_polled(-1, Z1_KEYS_POLL_INTERVAL,
 154                                         ARRAY_SIZE(Z1_gpio_keys),
 155                                         Z1_gpio_keys);
 156
 157         /* USB */
 158         ath79_register_usb();
 159
 160         /* Wireless */
 161         ath79_register_wmac_simple();
 162         ap91_pci_init_simple();
 163 }
 164 MIPS_MACHINE(ATH79_MACH_Z1, "Z1", "Meraki Z1", z1_setup);