target/linux/ar71xx/files/arch/mips/ar71xx/mach-pb44.c

   1 /*
   2  *  Atheros PB44 board support
   3  *
   4  *  Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
   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/bitops.h>
  13 #include <linux/delay.h>
  14 #include <linux/platform_device.h>
  15 #include <linux/spi/spi.h>
  16 #include <linux/spi/flash.h>
  17 #include <linux/spi/vsc7385.h>
  18 #include <linux/i2c.h>
  19 #include <linux/i2c-gpio.h>
  20 #include <linux/i2c/pcf857x.h>
  21
  22 #include <asm/mips_machine.h>
  23 #include <asm/mach-ar71xx/ar71xx.h>
  24
  25 #include "devices.h"
  26 #include "dev-pb42-pci.h"
  27 #include "dev-gpio-buttons.h"
  28 #include "dev-leds-gpio.h"
  29
  30 #define PB44_PCF8757_VSC7395_CS 0
  31 #define PB44_PCF8757_STEREO_CS  1
  32 #define PB44_PCF8757_SLIC_CS0   2
  33 #define PB44_PCF8757_SLIC_TEST  3
  34 #define PB44_PCF8757_SLIC_INT0  4
  35 #define PB44_PCF8757_SLIC_INT1  5
  36 #define PB44_PCF8757_SW_RESET   6
  37 #define PB44_PCF8757_SW_JUMP    8
  38 #define PB44_PCF8757_LED_JUMP1  9
  39 #define PB44_PCF8757_LED_JUMP2  10
  40 #define PB44_PCF8757_TP24       11
  41 #define PB44_PCF8757_TP25       12
  42 #define PB44_PCF8757_TP26       13
  43 #define PB44_PCF8757_TP27       14
  44 #define PB44_PCF8757_TP28       15
  45
  46 #define PB44_GPIO_I2C_SCL       0
  47 #define PB44_GPIO_I2C_SDA       1
  48
  49 #define PB44_GPIO_EXP_BASE      16
  50 #define PB44_GPIO_VSC7395_CS    (PB44_GPIO_EXP_BASE + PB44_PCF8757_VSC7395_CS)
  51 #define PB44_GPIO_SW_RESET      (PB44_GPIO_EXP_BASE + PB44_PCF8757_SW_RESET)
  52 #define PB44_GPIO_SW_JUMP       (PB44_GPIO_EXP_BASE + PB44_PCF8757_SW_JUMP)
  53 #define PB44_GPIO_LED_JUMP1     (PB44_GPIO_EXP_BASE + PB44_PCF8757_LED_JUMP1)
  54 #define PB44_GPIO_LED_JUMP2     (PB44_GPIO_EXP_BASE + PB44_PCF8757_LED_JUMP2)
  55
  56 static struct i2c_gpio_platform_data pb44_i2c_gpio_data = {
  57         .sda_pin        = PB44_GPIO_I2C_SDA,
  58         .scl_pin        = PB44_GPIO_I2C_SCL,
  59 };
  60
  61 static struct platform_device pb44_i2c_gpio_device = {
  62         .name           = "i2c-gpio",
  63         .id             = 0,
  64         .dev = {
  65                 .platform_data  = &pb44_i2c_gpio_data,
  66         }
  67 };
  68
  69 static struct pcf857x_platform_data pb44_pcf857x_data = {
  70         .gpio_base      = PB44_GPIO_EXP_BASE,
  71 };
  72
  73 static struct i2c_board_info pb44_i2c_board_info[] __initdata = {
  74         {
  75                 I2C_BOARD_INFO("pcf8575", 0x20),
  76                 .platform_data  = &pb44_pcf857x_data,
  77         },
  78 };
  79
  80 static struct gpio_led pb44_leds_gpio[] __initdata = {
  81         {
  82                 .name           = "pb44:amber:jump1",
  83                 .gpio           = PB44_GPIO_LED_JUMP1,
  84                 .active_low     = 1,
  85         }, {
  86                 .name           = "pb44:green:jump2",
  87                 .gpio           = PB44_GPIO_LED_JUMP2,
  88                 .active_low     = 1,
  89         },
  90 };
  91
  92 static struct gpio_button pb44_gpio_buttons[] __initdata = {
  93         {
  94                 .desc           = "soft_reset",
  95                 .type           = EV_KEY,
  96                 .code           = BTN_0,
  97                 .threshold      = 5,
  98                 .gpio           = PB44_GPIO_SW_RESET,
  99                 .active_low     = 1,
 100         } , {
 101                 .desc           = "jumpstart",
 102                 .type           = EV_KEY,
 103                 .code           = BTN_1,
 104                 .threshold      = 5,
 105                 .gpio           = PB44_GPIO_SW_JUMP,
 106                 .active_low     = 1,
 107         }
 108 };
 109
 110 static void pb44_vsc7395_reset(void)
 111 {
 112         ar71xx_device_stop(RESET_MODULE_GE1_PHY);
 113         udelay(10);
 114         ar71xx_device_start(RESET_MODULE_GE1_PHY);
 115         mdelay(50);
 116 }
 117
 118 static struct vsc7385_platform_data pb44_vsc7395_data = {
 119         .reset          = pb44_vsc7395_reset,
 120         .ucode_name     = "vsc7395_ucode_pb44.bin",
 121         .mac_cfg = {
 122                 .tx_ipg         = 6,
 123                 .bit2           = 1,
 124                 .clk_sel        = 0,
 125         },
 126 };
 127
 128 static struct spi_board_info pb44_spi_info[] = {
 129         {
 130                 .bus_num        = 0,
 131                 .chip_select    = 0,
 132                 .max_speed_hz   = 25000000,
 133                 .modalias       = "m25p80",
 134         }, {
 135                 .bus_num        = 0,
 136                 .chip_select    = 1,
 137                 .max_speed_hz   = 25000000,
 138                 .modalias       = "spi-vsc7385",
 139                 .platform_data  = &pb44_vsc7395_data,
 140                 .controller_data = (void *) PB44_GPIO_VSC7395_CS,
 141         },
 142 };
 143
 144 static struct resource pb44_spi_resources[] = {
 145         [0] = {
 146                 .start  = AR71XX_SPI_BASE,
 147                 .end    = AR71XX_SPI_BASE + AR71XX_SPI_SIZE - 1,
 148                 .flags  = IORESOURCE_MEM,
 149         },
 150 };
 151
 152 static struct ar71xx_spi_platform_data pb44_spi_data = {
 153         .bus_num                = 0,
 154         .num_chipselect         = 2,
 155 };
 156
 157 static struct platform_device pb44_spi_device = {
 158         .name           = "pb44-spi",
 159         .id             = -1,
 160         .resource       = pb44_spi_resources,
 161         .num_resources  = ARRAY_SIZE(pb44_spi_resources),
 162         .dev = {
 163                 .platform_data = &pb44_spi_data,
 164         },
 165 };
 166
 167 #define PB44_WAN_PHYMASK        BIT(0)
 168 #define PB44_LAN_PHYMASK        0
 169 #define PB44_MDIO_PHYMASK       (PB44_LAN_PHYMASK | PB44_WAN_PHYMASK)
 170
 171 static void __init pb44_init(void)
 172 {
 173         ar71xx_add_device_mdio(~PB44_MDIO_PHYMASK);
 174
 175         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 176         ar71xx_eth0_data.phy_mask = PB44_WAN_PHYMASK;
 177
 178         ar71xx_add_device_eth(0);
 179
 180         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 181         ar71xx_eth1_data.phy_mask = PB44_LAN_PHYMASK;
 182         ar71xx_eth1_data.speed = SPEED_1000;
 183         ar71xx_eth1_data.duplex = DUPLEX_FULL;
 184         ar71xx_eth1_pll_data.pll_1000 = 0x110000;
 185
 186         ar71xx_add_device_eth(1);
 187
 188         ar71xx_add_device_usb();
 189
 190         pb42_pci_init();
 191
 192         i2c_register_board_info(0, pb44_i2c_board_info,
 193                                 ARRAY_SIZE(pb44_i2c_board_info));
 194
 195         platform_device_register(&pb44_i2c_gpio_device);
 196
 197         spi_register_board_info(pb44_spi_info, ARRAY_SIZE(pb44_spi_info));
 198         platform_device_register(&pb44_spi_device);
 199
 200         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(pb44_leds_gpio),
 201                                     pb44_leds_gpio);
 202
 203         ar71xx_add_device_gpio_buttons(-1, 20, ARRAY_SIZE(pb44_gpio_buttons),
 204                                        pb44_gpio_buttons);
 205 }
 206
 207 MIPS_MACHINE(AR71XX_MACH_PB44, "Atheros PB44", pb44_init);