target/linux/ar71xx/files/arch/mips/ath79/mach-omy-g1.c

   1 /*
   2  *  OMYlink OMY-G1 board support
   3  *
   4  *  Copyright (C) 2016 L. D. Pinney <ldpinney@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
  11 #include <linux/gpio.h>
  12 #include <linux/platform_device.h>
  13
  14 #include <asm/mach-ath79/ath79.h>
  15 #include <asm/mach-ath79/ar71xx_regs.h>
  16
  17 #include "common.h"
  18 #include "dev-eth.h"
  19 #include "dev-gpio-buttons.h"
  20 #include "dev-leds-gpio.h"
  21 #include "dev-m25p80.h"
  22 #include "dev-usb.h"
  23 #include "dev-wmac.h"
  24 #include "machtypes.h"
  25
  26 #define OMY_G1_GPIO_LED_WLAN    13
  27 #define OMY_G1_GPIO_LED_WAN     18
  28 #define OMY_G1_GPIO_LED_LAN     19
  29
  30 #define OMY_G1_GPIO_USB_POWER   4
  31
  32 #define OMY_G1_GPIO_BTN_RESET   17
  33
  34 #define OMY_G1_KEYS_POLL_INTERVAL       20      /* msecs */
  35 #define OMY_G1_KEYS_DEBOUNCE_INTERVAL (3 * OMY_G1_KEYS_POLL_INTERVAL)
  36
  37 static const char *omy_g1_part_probes[] = {
  38         "tp-link",
  39         NULL,
  40 };
  41
  42 static struct flash_platform_data omy_g1_flash_data = {
  43         .part_probes    = omy_g1_part_probes,
  44 };
  45
  46 static struct gpio_led omy_g1_leds_gpio[] __initdata = {
  47         {
  48                 .name           = "omy:green:wlan",
  49                 .gpio           = OMY_G1_GPIO_LED_WLAN,
  50                 .active_low     = 1,
  51         },{
  52                 .name           = "omy:green:wan",
  53                 .gpio           = OMY_G1_GPIO_LED_WAN,
  54                 .active_low     = 1,
  55         }, {
  56                 .name           = "omy:green:lan",
  57                 .gpio           = OMY_G1_GPIO_LED_LAN,
  58                 .active_low     = 1,
  59         },
  60 };
  61
  62 static struct gpio_keys_button omy_g1_gpio_keys[] __initdata = {
  63         {
  64                 .desc           = "Reset button",
  65                 .type           = EV_KEY,
  66                 .code           = KEY_RESTART,
  67                 .debounce_interval = OMY_G1_KEYS_DEBOUNCE_INTERVAL,
  68                 .gpio           = OMY_G1_GPIO_BTN_RESET,
  69                 .active_low     = 1,
  70         }
  71 };
  72
  73 static void __init omy_g1_setup(void)
  74 {
  75         u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
  76         u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
  77
  78         ath79_gpio_function_setup(AR934X_GPIO_FUNC_JTAG_DISABLE,
  79                                  AR934X_GPIO_FUNC_CLK_OBS4_EN);
  80
  81         ath79_register_m25p80(&omy_g1_flash_data);
  82
  83         ath79_register_leds_gpio(-1, ARRAY_SIZE(omy_g1_leds_gpio),
  84                                 omy_g1_leds_gpio);
  85
  86         ath79_register_gpio_keys_polled(1, OMY_G1_KEYS_POLL_INTERVAL,
  87                                 ARRAY_SIZE(omy_g1_gpio_keys),
  88                                 omy_g1_gpio_keys);
  89
  90         ath79_gpio_output_select(OMY_G1_GPIO_USB_POWER,
  91                                  AR934X_GPIO_OUT_GPIO);
  92
  93         ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_PHY_SWAP);
  94
  95         ath79_register_mdio(1, 0x0);
  96
  97         ath79_init_mac(ath79_eth0_data.mac_addr, mac, -1);
  98         ath79_init_mac(ath79_eth1_data.mac_addr, mac, 0);
  99
 100         ath79_switch_data.phy4_mii_en = 1;
 101         ath79_switch_data.phy_poll_mask = BIT(0);
 102         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
 103         ath79_eth0_data.phy_mask = BIT(0);
 104         ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
 105         ath79_register_eth(0);
 106
 107         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
 108         ath79_register_eth(1);
 109
 110         ath79_register_wmac(ee, mac);
 111
 112         ath79_gpio_output_select(OMY_G1_GPIO_USB_POWER,
 113                                  AR934X_GPIO_OUT_GPIO);
 114
 115         gpio_request_one(OMY_G1_GPIO_USB_POWER,
 116                          GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
 117                          "USB power");
 118
 119         ath79_register_usb();
 120 }
 121
 122 MIPS_MACHINE(ATH79_MACH_OMY_G1, "OMY-G1", "OMYlink OMY-G1",
 123              omy_g1_setup);