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/input.h>
  14 #include <linux/delay.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/spi/spi.h>
  17 #include <linux/spi/flash.h>
  18 #include <linux/spi/vsc7385.h>
  19 #include <linux/i2c.h>
  20 #include <linux/i2c-gpio.h>
  21 #include <linux/i2c/pcf857x.h>
  22
  23 #include <asm/mips_machine.h>
  24 #include <asm/mach-ar71xx/ar71xx.h>
  25 #include <asm/mach-ar71xx/pci.h>
  26
  27 #include "devices.h"
  28
  29 #define PB44_PCF8757_VSC7395_CS 0
  30 #define PB44_PCF8757_STEREO_CS  1
  31 #define PB44_PCF8757_SLIC_CS0   2
  32 #define PB44_PCF8757_SLIC_TEST  3
  33 #define PB44_PCF8757_SLIC_INT0  4
  34 #define PB44_PCF8757_SLIC_INT1  5
  35 #define PB44_PCF8757_SW_RESET   6
  36 #define PB44_PCF8757_SW_JUMP    8
  37 #define PB44_PCF8757_LED_JUMP1  9
  38 #define PB44_PCF8757_LED_JUMP2  10
  39 #define PB44_PCF8757_TP24       11
  40 #define PB44_PCF8757_TP25       12
  41 #define PB44_PCF8757_TP26       13
  42 #define PB44_PCF8757_TP27       14
  43 #define PB44_PCF8757_TP28       15
  44
  45 #define PB44_GPIO_I2C_SCL       0
  46 #define PB44_GPIO_I2C_SDA       1
  47
  48 #define PB44_GPIO_EXP_BASE      16
  49 #define PB44_GPIO_VSC7395_CS    (PB44_GPIO_EXP_BASE + PB44_PCF8757_VSC7395_CS)
  50 #define PB44_GPIO_SW_RESET      (PB44_GPIO_EXP_BASE + PB44_PCF8757_SW_RESET)
  51 #define PB44_GPIO_SW_JUMP       (PB44_GPIO_EXP_BASE + PB44_PCF8757_SW_JUMP)
  52 #define PB44_GPIO_LED_JUMP1     (PB44_GPIO_EXP_BASE + PB44_PCF8757_LED_JUMP1)
  53 #define PB44_GPIO_LED_JUMP2     (PB44_GPIO_EXP_BASE + PB44_PCF8757_LED_JUMP2)
  54
  55 static struct ar71xx_pci_irq pb44_pci_irqs[] __initdata = {
  56         {
  57                 .slot   = 0,
  58                 .pin    = 1,
  59                 .irq    = AR71XX_PCI_IRQ_DEV0,
  60         }, {
  61                 .slot   = 1,
  62                 .pin    = 1,
  63                 .irq    = AR71XX_PCI_IRQ_DEV1,
  64         }, {
  65                 .slot   = 2,
  66                 .pin    = 1,
  67                 .irq    = AR71XX_PCI_IRQ_DEV2,
  68         }
  69 };
  70
  71 static struct i2c_gpio_platform_data pb44_i2c_gpio_data = {
  72         .sda_pin        = PB44_GPIO_I2C_SDA,
  73         .scl_pin        = PB44_GPIO_I2C_SCL,
  74 };
  75
  76 static struct platform_device pb44_i2c_gpio_device = {
  77         .name           = "i2c-gpio",
  78         .id             = 0,
  79         .dev = {
  80                 .platform_data  = &pb44_i2c_gpio_data,
  81         }
  82 };
  83
  84 static struct pcf857x_platform_data pb44_pcf857x_data = {
  85         .gpio_base      = PB44_GPIO_EXP_BASE,
  86 };
  87
  88 static struct i2c_board_info pb44_i2c_board_info[] __initdata = {
  89         {
  90                 I2C_BOARD_INFO("pcf8575", 0x20),
  91                 .platform_data  = &pb44_pcf857x_data,
  92         },
  93 };
  94
  95 static struct gpio_led pb44_leds_gpio[] __initdata = {
  96         {
  97                 .name           = "pb44:amber:jump1",
  98                 .gpio           = PB44_GPIO_LED_JUMP1,
  99                 .active_low     = 1,
 100         }, {
 101                 .name           = "pb44:green:jump2",
 102                 .gpio           = PB44_GPIO_LED_JUMP2,
 103                 .active_low     = 1,
 104         },
 105 };
 106
 107 static struct gpio_button pb44_gpio_buttons[] __initdata = {
 108         {
 109                 .desc           = "soft_reset",
 110                 .type           = EV_KEY,
 111                 .code           = BTN_0,
 112                 .threshold      = 5,
 113                 .gpio           = PB44_GPIO_SW_RESET,
 114                 .active_low     = 1,
 115         } , {
 116                 .desc           = "jumpstart",
 117                 .type           = EV_KEY,
 118                 .code           = BTN_1,
 119                 .threshold      = 5,
 120                 .gpio           = PB44_GPIO_SW_JUMP,
 121                 .active_low     = 1,
 122         }
 123 };
 124
 125 static void pb44_vsc7395_reset(void)
 126 {
 127         ar71xx_device_stop(RESET_MODULE_GE1_PHY);
 128         udelay(10);
 129         ar71xx_device_start(RESET_MODULE_GE1_PHY);
 130         mdelay(50);
 131 }
 132
 133 static struct vsc7385_platform_data pb44_vsc7395_data = {
 134         .reset          = pb44_vsc7395_reset,
 135         .ucode_name     = "vsc7395_ucode_pb44.bin",
 136         .mac_cfg = {
 137                 .tx_ipg         = 6,
 138                 .bit2           = 1,
 139                 .clk_sel        = 0,
 140         },
 141 };
 142
 143 static struct spi_board_info pb44_spi_info[] = {
 144         {
 145                 .bus_num        = 0,
 146                 .chip_select    = 0,
 147                 .max_speed_hz   = 25000000,
 148                 .modalias       = "m25p80",
 149         }, {
 150                 .bus_num        = 0,
 151                 .chip_select    = 1,
 152                 .max_speed_hz   = 25000000,
 153                 .modalias       = "spi-vsc7385",
 154                 .platform_data  = &pb44_vsc7395_data,
 155                 .controller_data = (void *) PB44_GPIO_VSC7395_CS,
 156         },
 157 };
 158
 159 static struct resource pb44_spi_resources[] = {
 160         [0] = {
 161                 .start  = AR71XX_SPI_BASE,
 162                 .end    = AR71XX_SPI_BASE + AR71XX_SPI_SIZE - 1,
 163                 .flags  = IORESOURCE_MEM,
 164         },
 165 };
 166
 167 static struct ar71xx_spi_platform_data pb44_spi_data = {
 168         .bus_num                = 0,
 169         .num_chipselect         = 2,
 170 };
 171
 172 static struct platform_device pb44_spi_device = {
 173         .name           = "pb44-spi",
 174         .id             = -1,
 175         .resource       = pb44_spi_resources,
 176         .num_resources  = ARRAY_SIZE(pb44_spi_resources),
 177         .dev = {
 178                 .platform_data = &pb44_spi_data,
 179         },
 180 };
 181
 182 #define PB44_WAN_PHYMASK        BIT(0)
 183 #define PB44_LAN_PHYMASK        0
 184 #define PB44_MDIO_PHYMASK       (PB44_LAN_PHYMASK | PB44_WAN_PHYMASK)
 185
 186 static void __init pb44_init(void)
 187 {
 188         ar71xx_add_device_mdio(~PB44_MDIO_PHYMASK);
 189
 190         ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 191         ar71xx_eth0_data.phy_mask = PB44_WAN_PHYMASK;
 192
 193         ar71xx_add_device_eth(0);
 194
 195         ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
 196         ar71xx_eth1_data.phy_mask = PB44_LAN_PHYMASK;
 197         ar71xx_eth1_data.speed = SPEED_1000;
 198         ar71xx_eth1_data.duplex = DUPLEX_FULL;
 199         ar71xx_eth1_pll_data.pll_1000 = 0x110000;
 200
 201         ar71xx_add_device_eth(1);
 202
 203         ar71xx_add_device_usb();
 204
 205         ar71xx_pci_init(ARRAY_SIZE(pb44_pci_irqs), pb44_pci_irqs);
 206
 207         i2c_register_board_info(0, pb44_i2c_board_info,
 208                                 ARRAY_SIZE(pb44_i2c_board_info));
 209
 210         platform_device_register(&pb44_i2c_gpio_device);
 211
 212         spi_register_board_info(pb44_spi_info, ARRAY_SIZE(pb44_spi_info));
 213         platform_device_register(&pb44_spi_device);
 214
 215         ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(pb44_leds_gpio),
 216                                     pb44_leds_gpio);
 217
 218         ar71xx_add_device_gpio_buttons(-1, 20, ARRAY_SIZE(pb44_gpio_buttons),
 219                                        pb44_gpio_buttons);
 220 }
 221
 222 MIPS_MACHINE(AR71XX_MACH_PB44, "Atheros PB44", pb44_init);