target/linux/ar71xx/files/arch/mips/ath79/mach-gl-ar750s.c

   1 /*
   2  *  GL.iNet GL-AR750S board support
   3  *
   4  *  Copyright (C) 2018 luochongjun <luochongjun@gl-inet.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/init.h>
  12 #include <linux/pci.h>
  13 #include <linux/platform_device.h>
  14 #include <linux/ath9k_platform.h>
  15 #include <linux/etherdevice.h>
  16
  17 #include <linux/i2c.h>
  18 #include <linux/i2c-gpio.h>
  19
  20 #include <asm/mach-ath79/ath79.h>
  21 #include <asm/mach-ath79/irq.h>
  22 #include <asm/mach-ath79/ar71xx_regs.h>
  23
  24 #include <linux/platform_data/phy-at803x.h>
  25 #include <linux/ar8216_platform.h>
  26
  27 #include "common.h"
  28 #include "dev-ap9x-pci.h"
  29 #include "dev-eth.h"
  30 #include "dev-gpio-buttons.h"
  31 #include "dev-leds-gpio.h"
  32 #include "dev-spi.h"
  33 #include "dev-m25p80.h"
  34 #include "dev-wmac.h"
  35 #include "dev-usb.h"
  36 #include "machtypes.h"
  37
  38
  39 #define GL_AR750S_KEYS_POLL_INTERVAL    20
  40 #define GL_AR750S_KEYS_DEBOUNCE_INTERVAL        (3 * GL_AR750S_KEYS_POLL_INTERVAL)
  41
  42
  43 #define GL_AR750S_GPIO_LED_WLAN2G       19
  44 #define GL_AR750S_GPIO_LED_WLAN5G       20
  45 #define GL_AR750S_GPIO_LED_POWER        1
  46 #define GL_AR750S_GPIO_USB_POWER        7
  47
  48 #define GL_AR750S_GPIO_BTN_RESET        2
  49 #define GL_AR750S_GPIO_BTN_RIGHT        8
  50
  51 #define GL_AR750S_MAC0_OFFSET             0x0000
  52 #define GL_AR750S_WMAC_CALDATA_OFFSET     0x1000
  53 #define GL_AR750S_PCI_CALDATA_OFFSET      0x5000
  54
  55 #define GL_AR750S_GPIO_I2C_SDA  5
  56 #define GL_AR750S_GPIO_I2C_SCL  21
  57
  58
  59
  60 static struct spi_board_info gl_ar750s_spi_info[] = {
  61     {
  62         .bus_num    = 0,
  63         .chip_select    = 0,
  64         .max_speed_hz   = 25000000,
  65         .modalias   = "m25p80",
  66         .platform_data  = NULL,
  67     },
  68 };
  69
  70 static struct ath79_spi_platform_data gl_ar750s_spi_data = {
  71     .bus_num        = 0,
  72     .num_chipselect     = 2,
  73 };
  74
  75 static struct gpio_led gl_ar750s_leds_gpio[] __initdata = {
  76         {
  77                  .name           = "gl-ar750s:green:power",
  78                  .gpio           = GL_AR750S_GPIO_LED_POWER,
  79                 .default_state  = LEDS_GPIO_DEFSTATE_KEEP,
  80                 .active_low     = 1,
  81          },{
  82                  .name           = "gl-ar750s:green:usbpower",
  83                  .gpio           = GL_AR750S_GPIO_USB_POWER,
  84                 .active_low     = 1,
  85          },{
  86                 .name           = "gl-ar750s:green:wlan2g",
  87                 .gpio           = GL_AR750S_GPIO_LED_WLAN2G,
  88                 .active_low     = 1,
  89         },{
  90                 .name           = "gl-ar750s:green:wlan5g",
  91                 .gpio           = GL_AR750S_GPIO_LED_WLAN5G,
  92                 .active_low     = 0,
  93         }
  94 };
  95
  96 static struct gpio_keys_button gl_ar750s_gpio_keys[] __initdata = {
  97     {
  98         .desc                   = "reset",
  99         .type                   = EV_KEY,
 100         .code                   = KEY_RESTART,
 101         .debounce_interval      = GL_AR750S_KEYS_DEBOUNCE_INTERVAL,
 102         .gpio                   = GL_AR750S_GPIO_BTN_RESET,
 103         .active_low             = 1,
 104        }, {
 105         .desc                   = "right",
 106         .type                   = EV_KEY,
 107         .code                   = BTN_0,
 108         .debounce_interval      = GL_AR750S_KEYS_DEBOUNCE_INTERVAL,
 109         .gpio                   = GL_AR750S_GPIO_BTN_RIGHT,
 110         .active_low             = 1,
 111        },
 112 };
 113
 114 static struct i2c_gpio_platform_data gl_ar750s_i2c_gpio_data = {
 115         .sda_pin        = GL_AR750S_GPIO_I2C_SDA,
 116         .scl_pin        = GL_AR750S_GPIO_I2C_SCL,
 117 };
 118
 119 static struct platform_device gl_ar750s_i2c_gpio_device = {
 120         .name           = "i2c-gpio",
 121         .id             = 0,
 122         .dev = {
 123                 .platform_data  = &gl_ar750s_i2c_gpio_data,
 124         }
 125
 126 };
 127
 128 static struct ar8327_pad_cfg gl_ar750s_ar8327_pad0_cfg = {
 129         .mode = AR8327_PAD_MAC_SGMII,
 130         .sgmii_delay_en = true,
 131 };
 132
 133 static struct ar8327_platform_data gl_ar750s_ar8327_data = {
 134         .pad0_cfg = &gl_ar750s_ar8327_pad0_cfg,
 135         .port0_cfg = {
 136                 .force_link = 1,
 137                 .speed = AR8327_PORT_SPEED_1000,
 138                 .duplex = 1,
 139                 .txpause = 1,
 140                 .rxpause = 1,
 141         },
 142 };
 143
 144
 145 static struct mdio_board_info gl_ar750s_mdio0_info[] = {
 146         {
 147                 .bus_id = "ag71xx-mdio.0",
 148                 .mdio_addr = 0,
 149                 .platform_data = &gl_ar750s_ar8327_data,
 150         },
 151 };
 152
 153 static void __init  gl_ar750s_setup(void)
 154 {
 155         u8 *eeprom = (u8 *) KSEG1ADDR(0x1f050000);
 156
 157         ath79_register_spi(&gl_ar750s_spi_data, gl_ar750s_spi_info, 1);
 158
 159         ath79_init_mac(ath79_eth0_data.mac_addr,
 160                        eeprom + GL_AR750S_MAC0_OFFSET, 0);
 161
 162         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_SGMII;
 163         ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
 164         ath79_eth0_data.phy_mask = BIT(0);
 165
 166         mdiobus_register_board_info(gl_ar750s_mdio0_info,
 167                                     ARRAY_SIZE(gl_ar750s_mdio0_info));
 168
 169         ath79_register_mdio(0, 0x00);
 170         ath79_register_eth(0);
 171
 172
 173         ath79_register_usb();
 174
 175
 176         ath79_register_wmac(eeprom + GL_AR750S_WMAC_CALDATA_OFFSET, NULL);
 177
 178
 179         ap91_pci_init(eeprom + GL_AR750S_PCI_CALDATA_OFFSET, NULL);
 180
 181         platform_device_register(&gl_ar750s_i2c_gpio_device);
 182
 183         ath79_register_leds_gpio(-1, ARRAY_SIZE(gl_ar750s_leds_gpio),
 184                                  gl_ar750s_leds_gpio);
 185
 186         ath79_register_gpio_keys_polled(-1, GL_AR750S_KEYS_POLL_INTERVAL,
 187                                         ARRAY_SIZE(gl_ar750s_gpio_keys),
 188                                         gl_ar750s_gpio_keys);
 189 }
 190
 191
 192 MIPS_MACHINE(ATH79_MACH_GL_AR750S, "GL-AR750S", "GL-AR750S",
 193          gl_ar750s_setup);