target/linux/ar71xx/files/arch/mips/ath79/mach-om5pacv2.c

   1 /*
   2  *  OpenMesh OM5P-ACv2 support
   3  *
   4  *  Copyright (C) 2013 Marek Lindner <marek@open-mesh.com>
   5  *  Copyright (C) 2014-2016 Sven Eckelmann <sven@open-mesh.com>
   6  *  Copyright (C) 2015 Open-Mesh - Jim Collar <jim.collar@eqware.net>
   7  *
   8  *  This program is free software; you can redistribute it and/or modify it
   9  *  under the terms of the GNU General Public License version 2 as published
  10  *  by the Free Software Foundation.
  11  */
  12
  13 #include <linux/gpio.h>
  14 #include <linux/version.h>
  15 #if LINUX_VERSION_CODE < KERNEL_VERSION(4,4,0)
  16 #include <linux/mdio-gpio.h>
  17 #else
  18 #include <linux/platform_data/mdio-gpio.h>
  19 #endif
  20 #include <linux/mtd/mtd.h>
  21 #include <linux/mtd/partitions.h>
  22 #include <linux/platform_device.h>
  23 #include <linux/i2c.h>
  24 #include <linux/i2c-algo-bit.h>
  25 #include <linux/i2c-gpio.h>
  26 #include <linux/platform_data/phy-at803x.h>
  27
  28 #include <asm/mach-ath79/ar71xx_regs.h>
  29 #include <asm/mach-ath79/ath79.h>
  30
  31 #include "common.h"
  32 #include "dev-ap9x-pci.h"
  33 #include "dev-eth.h"
  34 #include "dev-gpio-buttons.h"
  35 #include "dev-leds-gpio.h"
  36 #include "dev-m25p80.h"
  37 #include "dev-wmac.h"
  38 #include "machtypes.h"
  39 #include "pci.h"
  40
  41 #define OM5PACV2_GPIO_LED_POWER 14
  42 #define OM5PACV2_GPIO_LED_GREEN 13
  43 #define OM5PACV2_GPIO_LED_RED   23
  44 #define OM5PACV2_GPIO_LED_YELLOW        15
  45 #define OM5PACV2_GPIO_BTN_RESET 1
  46 #define OM5PACV2_GPIO_I2C_SCL   18
  47 #define OM5PACV2_GPIO_I2C_SDA   19
  48 #define OM5PACV2_GPIO_PA_DCDC   2
  49 #define OM5PACV2_GPIO_PA_HIGH   16
  50
  51 #define OM5PACV2_KEYS_POLL_INTERVAL     20      /* msecs */
  52 #define OM5PACV2_KEYS_DEBOUNCE_INTERVAL (3 * OM5PACV2_KEYS_POLL_INTERVAL)
  53
  54 #define OM5PACV2_WMAC_CALDATA_OFFSET    0x1000
  55
  56 static struct gpio_led om5pacv2_leds_gpio[] __initdata = {
  57         {
  58                 .name           = "om5pac:blue:power",
  59                 .gpio           = OM5PACV2_GPIO_LED_POWER,
  60                 .active_low     = 1,
  61         }, {
  62                 .name           = "om5pac:red:wifi",
  63                 .gpio           = OM5PACV2_GPIO_LED_RED,
  64                 .active_low     = 1,
  65         }, {
  66                 .name           = "om5pac:yellow:wifi",
  67                 .gpio           = OM5PACV2_GPIO_LED_YELLOW,
  68                 .active_low     = 1,
  69         }, {
  70                 .name           = "om5pac:green:wifi",
  71                 .gpio           = OM5PACV2_GPIO_LED_GREEN,
  72                 .active_low     = 1,
  73         }
  74 };
  75
  76 static struct gpio_keys_button om5pacv2_gpio_keys[] __initdata = {
  77         {
  78                 .desc           = "reset",
  79                 .type           = EV_KEY,
  80                 .code           = KEY_RESTART,
  81                 .debounce_interval = OM5PACV2_KEYS_DEBOUNCE_INTERVAL,
  82                 .gpio           = OM5PACV2_GPIO_BTN_RESET,
  83                 .active_low     = 1,
  84         }
  85 };
  86
  87 static struct i2c_gpio_platform_data om5pacv2_i2c_device_platdata = {
  88         .sda_pin                = OM5PACV2_GPIO_I2C_SDA,
  89         .scl_pin                = OM5PACV2_GPIO_I2C_SCL,
  90         .udelay                 = 10,
  91         .sda_is_open_drain      = 1,
  92         .scl_is_open_drain      = 1,
  93 };
  94
  95 static struct platform_device om5pacv2_i2c_device = {
  96         .name           = "i2c-gpio",
  97         .id             = 0,
  98         .dev            = {
  99                 .platform_data  = &om5pacv2_i2c_device_platdata,
 100         },
 101 };
 102
 103 static struct i2c_board_info om5pacv2_i2c_devs[] __initdata = {
 104         {
 105                 I2C_BOARD_INFO("tmp423", 0x4e),
 106         },
 107 };
 108
 109 static struct flash_platform_data om5pacv2_flash_data = {
 110         .type = "mx25l12805d",
 111 };
 112
 113 static struct at803x_platform_data om5pacv2_an_at803x_data = {
 114         .disable_smarteee = 1,
 115         .enable_rgmii_rx_delay = 1,
 116         .enable_rgmii_tx_delay = 1,
 117 };
 118
 119 static struct at803x_platform_data om5pacv2_an_at8031_data = {
 120         .disable_smarteee = 1,
 121         .enable_rgmii_rx_delay = 1,
 122         .enable_rgmii_tx_delay = 1,
 123 };
 124
 125 static struct mdio_board_info om5pacv2_an_mdio0_info[] = {
 126         {
 127                 .bus_id = "ag71xx-mdio.0",
 128                 .phy_addr = 4,
 129                 .platform_data = &om5pacv2_an_at803x_data,
 130         },
 131         {
 132                 .bus_id = "ag71xx-mdio.1",
 133                 .phy_addr = 1,
 134                 .platform_data = &om5pacv2_an_at8031_data,
 135         },
 136 };
 137
 138 static void __init om5p_acv2_setup_qca955x_eth_cfg(u32 mask,
 139                                                    unsigned int rxd,
 140                                                    unsigned int rxdv,
 141                                                    unsigned int txd,
 142                                                    unsigned int txe)
 143 {
 144         void __iomem *base;
 145         u32 t;
 146
 147         base = ioremap(QCA955X_GMAC_BASE, QCA955X_GMAC_SIZE);
 148
 149         t = mask;
 150         t |= rxd << QCA955X_ETH_CFG_RXD_DELAY_SHIFT;
 151         t |= rxdv << QCA955X_ETH_CFG_RDV_DELAY_SHIFT;
 152         t |= txd << QCA955X_ETH_CFG_TXD_DELAY_SHIFT;
 153         t |= txe << QCA955X_ETH_CFG_TXE_DELAY_SHIFT;
 154
 155         __raw_writel(t, base + QCA955X_GMAC_REG_ETH_CFG);
 156
 157         iounmap(base);
 158 }
 159
 160 static void __init om5p_acv2_setup(void)
 161 {
 162         u8 *art = (u8 *)KSEG1ADDR(0x1fff0000);
 163         u8 mac[6];
 164
 165         /* power amplifier high power, 4.2V at RFFM4203/4503 instead of 3.3 */
 166         ath79_gpio_function_enable(QCA955X_GPIO_FUNC_JTAG_DISABLE);
 167         ath79_gpio_output_select(OM5PACV2_GPIO_PA_DCDC, QCA955X_GPIO_OUT_GPIO);
 168         ath79_gpio_output_select(OM5PACV2_GPIO_PA_HIGH, QCA955X_GPIO_OUT_GPIO);
 169         gpio_request_one(OM5PACV2_GPIO_PA_DCDC, GPIOF_OUT_INIT_HIGH,
 170                          "PA DC/DC");
 171         gpio_request_one(OM5PACV2_GPIO_PA_HIGH, GPIOF_OUT_INIT_HIGH, "PA HIGH");
 172
 173         /* temperature sensor */
 174         platform_device_register(&om5pacv2_i2c_device);
 175         i2c_register_board_info(0, om5pacv2_i2c_devs,
 176                                 ARRAY_SIZE(om5pacv2_i2c_devs));
 177
 178         ath79_register_m25p80(&om5pacv2_flash_data);
 179         ath79_register_leds_gpio(-1, ARRAY_SIZE(om5pacv2_leds_gpio),
 180                                  om5pacv2_leds_gpio);
 181         ath79_register_gpio_keys_polled(-1, OM5PACV2_KEYS_POLL_INTERVAL,
 182                                         ARRAY_SIZE(om5pacv2_gpio_keys),
 183                                         om5pacv2_gpio_keys);
 184
 185         ath79_init_mac(mac, art, 0x02);
 186         ath79_register_wmac(art + OM5PACV2_WMAC_CALDATA_OFFSET, mac);
 187
 188         om5p_acv2_setup_qca955x_eth_cfg(QCA955X_ETH_CFG_RGMII_EN, 2, 2, 0, 0);
 189         ath79_register_mdio(0, 0x0);
 190         ath79_register_mdio(1, 0x0);
 191
 192         mdiobus_register_board_info(om5pacv2_an_mdio0_info,
 193                                     ARRAY_SIZE(om5pacv2_an_mdio0_info));
 194
 195         ath79_init_mac(ath79_eth0_data.mac_addr, art, 0x00);
 196         ath79_init_mac(ath79_eth1_data.mac_addr, art, 0x01);
 197
 198         /* GMAC0 is connected to the PHY4 */
 199         ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 200         ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
 201         ath79_eth0_data.phy_mask = BIT(4);
 202         ath79_eth0_pll_data.pll_1000 = 0x82000101;
 203         ath79_eth0_pll_data.pll_100 = 0x80000101;
 204         ath79_eth0_pll_data.pll_10 = 0x80001313;
 205         ath79_register_eth(0);
 206
 207         /* GMAC1 is connected to MDIO1 in SGMII mode */
 208         ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_SGMII;
 209         ath79_eth1_data.mii_bus_dev = &ath79_mdio1_device.dev;
 210         ath79_eth1_data.phy_mask = BIT(1);
 211         ath79_eth1_pll_data.pll_1000 = 0x03000101;
 212         ath79_eth1_pll_data.pll_100 = 0x80000101;
 213         ath79_eth1_pll_data.pll_10 = 0x80001313;
 214         ath79_eth1_data.speed = SPEED_1000;
 215         ath79_eth1_data.duplex = DUPLEX_FULL;
 216         ath79_register_eth(1);
 217
 218         ath79_register_pci();
 219 }
 220
 221 MIPS_MACHINE(ATH79_MACH_OM5P_ACv2, "OM5P-ACv2", "OpenMesh OM5P ACv2", om5p_acv2_setup);