target/linux/ar71xx/files/arch/mips/ath79/mach-hiveap-121.c

   1 /*
   2  *  Aerohive HiveAP 121 board support
   3  *
   4  *  Copyright (C) 2017 Chris Blake <chrisrblake93@gmail.com>
   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 #include <linux/gpio.h>
  11 #include <linux/i2c.h>
  12 #include <linux/i2c-gpio.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/ath9k_platform.h>
  15 #include <linux/platform/ar934x_nfc.h>
  16 #include <asm/mach-ath79/ath79.h>
  17 #include <asm/mach-ath79/ar71xx_regs.h>
  18
  19 #include "common.h"
  20 #include "dev-eth.h"
  21 #include "dev-gpio-buttons.h"
  22 #include "dev-leds-gpio.h"
  23 #include "dev-nfc.h"
  24 #include "dev-usb.h"
  25 #include "dev-wmac.h"
  26 #include "dev-ap9x-pci.h"
  27 #include "dev-m25p80.h"
  28 #include "machtypes.h"
  29
  30 #define HIVEAP_121_GPIO_LED_ORANGE      14
  31 #define HIVEAP_121_GPIO_LED_WHITE       21
  32 #define HIVEAP_121_GPIO_I2C_SCL         12
  33 #define HIVEAP_121_GPIO_I2C_SDA         13
  34 #define HIVEAP_121_GPIO_XLNA0           20
  35 #define HIVEAP_121_GPIO_XLNA1           19
  36 #define HIVEAP_121_GPIO_USB_POWER       15
  37
  38 #define HIVEAP_121_GPIO_BTN_RESET               4
  39 #define HIVEAP_121_KEYS_POLL_INTERVAL           20 /* msecs */
  40 #define HIVEAP_121_KEYS_DEBOUNCE_INTERVAL       \
  41                                         (3 * HIVEAP_121_KEYS_POLL_INTERVAL)
  42
  43 #define HIVEAP_121_MAC_OFFSET   0x90000
  44
  45 #define HIVEAP_121_LAN_PHYADDR  0
  46
  47 static struct gpio_led hiveap_121_leds_gpio[] __initdata = {
  48         {
  49                 .name           = "hiveap-121:orange:power",
  50                 .gpio           = HIVEAP_121_GPIO_LED_ORANGE,
  51                 .active_low     = 1,
  52         }, {
  53                 .name           = "hiveap-121:white:power",
  54                 .gpio           = HIVEAP_121_GPIO_LED_WHITE,
  55                 .active_low     = 1,
  56         }
  57 };
  58
  59 static struct gpio_keys_button hiveap_121_gpio_keys[] __initdata = {
  60         {
  61                 .desc = "reset",
  62                 .type = EV_KEY,
  63                 .code = KEY_RESTART,
  64                 .debounce_interval = HIVEAP_121_KEYS_DEBOUNCE_INTERVAL,
  65                 .gpio = HIVEAP_121_GPIO_BTN_RESET,
  66                 .active_low  = 1,
  67         },
  68 };
  69
  70 static struct i2c_gpio_platform_data hiveap_121_i2c_gpio_data = {
  71         .sda_pin = HIVEAP_121_GPIO_I2C_SDA,
  72         .scl_pin = HIVEAP_121_GPIO_I2C_SCL,
  73 };
  74
  75 static struct platform_device hiveap_121_i2c_gpio_device = {
  76         .name   = "i2c-gpio",
  77         .id     = 0,
  78         .dev    = {
  79                 .platform_data = &hiveap_121_i2c_gpio_data,
  80         }
  81 };
  82
  83 static struct i2c_board_info tpm_i2c_info[] __initdata = {
  84         {
  85                 I2C_BOARD_INFO("tpm_i2c_atmel", 0x29),
  86         }
  87 };
  88
  89 static void __init hiveap_121_setup(void)
  90 {
  91         u8 *base = (u8 *) KSEG1ADDR(0x1f000000);
  92         u8 wlan0_mac[ETH_ALEN];
  93         u8 wlan1_mac[ETH_ALEN];
  94
  95         /* NAND */
  96         ath79_nfc_set_ecc_mode(AR934X_NFC_ECC_HW);
  97         ath79_register_nfc();
  98
  99         /* SPI */
 100         ath79_register_m25p80(NULL);
 101
 102         /* MDIO Interface */
 103         ath79_register_mdio(0, 0x0);
 104         ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_RGMII_GMAC0 |
 105                                    AR934X_ETH_CFG_RXD_DELAY |
 106                                    AR934X_ETH_CFG_RDV_DELAY);
 107
 108         /* GMAC0 is connected to the RGMII interface to an Atheros AR8035-A */
 109         ath79_init_mac(ath79_eth0_data.mac_addr,
 110                        base + HIVEAP_121_MAC_OFFSET, 0);
 111         ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
 112         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 113         ath79_eth0_data.phy_mask = BIT(HIVEAP_121_LAN_PHYADDR);
 114         ath79_eth0_pll_data.pll_1000 = 0x06000000;
 115         ath79_eth0_pll_data.pll_100 = 0x00000101;
 116         ath79_eth0_pll_data.pll_10 = 0x00001313;
 117         ath79_register_eth(0);
 118
 119         /* i2c */
 120         ath79_gpio_function_enable(AR934X_GPIO_FUNC_JTAG_DISABLE);
 121         platform_device_register(&hiveap_121_i2c_gpio_device);
 122
 123         /* TPM */
 124         i2c_register_board_info(0, tpm_i2c_info, ARRAY_SIZE(tpm_i2c_info));
 125
 126         /* LEDs and Buttons */
 127         ath79_register_leds_gpio(-1, ARRAY_SIZE(hiveap_121_leds_gpio),
 128                                  hiveap_121_leds_gpio);
 129         ath79_register_gpio_keys_polled(-1, HIVEAP_121_KEYS_POLL_INTERVAL,
 130                                         ARRAY_SIZE(hiveap_121_gpio_keys),
 131                                         hiveap_121_gpio_keys);
 132
 133         /* USB */
 134         gpio_request_one(HIVEAP_121_GPIO_USB_POWER,
 135                          GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
 136                          "USB power");
 137         ath79_register_usb();
 138
 139         /* XLNA - SoC Wireless */
 140         ath79_wmac_set_ext_lna_gpio(0, HIVEAP_121_GPIO_XLNA0);
 141         ath79_wmac_set_ext_lna_gpio(1, HIVEAP_121_GPIO_XLNA1);
 142
 143         /* SoC Wireless */
 144         ath79_init_mac(wlan0_mac, base + HIVEAP_121_MAC_OFFSET, 1);
 145         ath79_register_wmac(NULL, wlan0_mac); /* Caldata in OTP */
 146
 147         /* PCIe Wireless */
 148         ath79_init_mac(wlan1_mac, base + HIVEAP_121_MAC_OFFSET, 2);
 149         ap91_pci_init(NULL, wlan1_mac); /* Caldata in OTP */
 150 }
 151
 152 MIPS_MACHINE(ATH79_MACH_HIVEAP_121, "HiveAP-121", "Aerohive HiveAP-121",
 153              hiveap_121_setup);