arch/arm/mach-kirkwood/t5325-setup.c

   1 /*
   2  *
   3  * HP t5325 Thin Client setup
   4  *
   5  * Copyright (C) 2010  Martin Michlmayr <tbm@cyrius.com>
   6  *
   7  * This program is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU General Public License
   9  * as published by the Free Software Foundation; either version
  10  * 2 of the License, or (at your option) any later version.
  11  */
  12
  13 #include <linux/kernel.h>
  14 #include <linux/init.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/mtd/physmap.h>
  17 #include <linux/spi/flash.h>
  18 #include <linux/spi/spi.h>
  19 #include <linux/spi/orion_spi.h>
  20 #include <linux/i2c.h>
  21 #include <linux/mv643xx_eth.h>
  22 #include <linux/ata_platform.h>
  23 #include <linux/gpio.h>
  24 #include <linux/gpio_keys.h>
  25 #include <linux/input.h>
  26 #include <sound/alc5623.h>
  27 #include <asm/mach-types.h>
  28 #include <asm/mach/arch.h>
  29 #include <mach/kirkwood.h>
  30 #include "common.h"
  31 #include "mpp.h"
  32
  33 struct mtd_partition hp_t5325_partitions[] = {
  34         {
  35                 .name           = "u-boot env",
  36                 .size           = SZ_64K,
  37                 .offset         = SZ_512K + SZ_256K,
  38         },
  39         {
  40                 .name           = "permanent u-boot env",
  41                 .size           = SZ_64K,
  42                 .offset         = MTDPART_OFS_APPEND,
  43                 .mask_flags     = MTD_WRITEABLE,
  44         },
  45         {
  46                 .name           = "HP env",
  47                 .size           = SZ_64K,
  48                 .offset         = MTDPART_OFS_APPEND,
  49         },
  50         {
  51                 .name           = "u-boot",
  52                 .size           = SZ_512K,
  53                 .offset         = 0,
  54                 .mask_flags     = MTD_WRITEABLE,
  55         },
  56         {
  57                 .name           = "SSD firmware",
  58                 .size           = SZ_256K,
  59                 .offset         = SZ_512K,
  60         },
  61 };
  62
  63 const struct flash_platform_data hp_t5325_flash = {
  64         .type           = "mx25l8005",
  65         .name           = "spi_flash",
  66         .parts          = hp_t5325_partitions,
  67         .nr_parts       = ARRAY_SIZE(hp_t5325_partitions),
  68 };
  69
  70 struct spi_board_info __initdata hp_t5325_spi_slave_info[] = {
  71         {
  72                 .modalias       = "m25p80",
  73                 .platform_data  = &hp_t5325_flash,
  74                 .irq            = -1,
  75         },
  76 };
  77
  78 static struct mv643xx_eth_platform_data hp_t5325_ge00_data = {
  79         .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
  80 };
  81
  82 static struct mv_sata_platform_data hp_t5325_sata_data = {
  83         .n_ports        = 2,
  84 };
  85
  86 static struct gpio_keys_button hp_t5325_buttons[] = {
  87         {
  88                 .code           = KEY_POWER,
  89                 .gpio           = 45,
  90                 .desc           = "Power",
  91                 .active_low     = 1,
  92         },
  93 };
  94
  95 static struct gpio_keys_platform_data hp_t5325_button_data = {
  96         .buttons        = hp_t5325_buttons,
  97         .nbuttons       = ARRAY_SIZE(hp_t5325_buttons),
  98 };
  99
 100 static struct platform_device hp_t5325_button_device = {
 101         .name           = "gpio-keys",
 102         .id             = -1,
 103         .num_resources  = 0,
 104         .dev            = {
 105                 .platform_data  = &hp_t5325_button_data,
 106         }
 107 };
 108
 109 static unsigned int hp_t5325_mpp_config[] __initdata = {
 110         MPP0_NF_IO2,
 111         MPP1_SPI_MOSI,
 112         MPP2_SPI_SCK,
 113         MPP3_SPI_MISO,
 114         MPP4_NF_IO6,
 115         MPP5_NF_IO7,
 116         MPP6_SYSRST_OUTn,
 117         MPP7_SPI_SCn,
 118         MPP8_TW0_SDA,
 119         MPP9_TW0_SCK,
 120         MPP10_UART0_TXD,
 121         MPP11_UART0_RXD,
 122         MPP12_SD_CLK,
 123         MPP13_GPIO,
 124         MPP14_GPIO,
 125         MPP15_GPIO,
 126         MPP16_GPIO,
 127         MPP17_GPIO,
 128         MPP18_NF_IO0,
 129         MPP19_NF_IO1,
 130         MPP20_GPIO,
 131         MPP21_GPIO,
 132         MPP22_GPIO,
 133         MPP23_GPIO,
 134         MPP32_GPIO,
 135         MPP33_GE1_TXCTL,
 136         MPP39_AU_I2SBCLK,
 137         MPP40_AU_I2SDO,
 138         MPP43_AU_I2SDI,
 139         MPP41_AU_I2SLRCLK,
 140         MPP42_AU_I2SMCLK,
 141         MPP45_GPIO,             /* Power button */
 142         MPP48_GPIO,             /* Board power off */
 143         0
 144 };
 145
 146 static struct alc5623_platform_data alc5621_data = {
 147         .add_ctrl = 0x3700,
 148         .jack_det_ctrl = 0x4810,
 149 };
 150
 151 static struct i2c_board_info i2c_board_info[] __initdata = {
 152         {
 153                 I2C_BOARD_INFO("alc5621", 0x1a),
 154                 .platform_data = &alc5621_data,
 155         },
 156 };
 157
 158 #define HP_T5325_GPIO_POWER_OFF         48
 159
 160 static void hp_t5325_power_off(void)
 161 {
 162         gpio_set_value(HP_T5325_GPIO_POWER_OFF, 1);
 163 }
 164
 165 static void __init hp_t5325_init(void)
 166 {
 167         /*
 168          * Basic setup. Needs to be called early.
 169          */
 170         kirkwood_init();
 171         kirkwood_mpp_conf(hp_t5325_mpp_config);
 172
 173         kirkwood_uart0_init();
 174         spi_register_board_info(hp_t5325_spi_slave_info,
 175                                 ARRAY_SIZE(hp_t5325_spi_slave_info));
 176         kirkwood_spi_init();
 177         kirkwood_i2c_init();
 178         kirkwood_ge00_init(&hp_t5325_ge00_data);
 179         kirkwood_sata_init(&hp_t5325_sata_data);
 180         kirkwood_ehci_init();
 181         platform_device_register(&hp_t5325_button_device);
 182
 183         i2c_register_board_info(0, i2c_board_info, ARRAY_SIZE(i2c_board_info));
 184         kirkwood_audio_init();
 185
 186         if (gpio_request(HP_T5325_GPIO_POWER_OFF, "power-off") == 0 &&
 187             gpio_direction_output(HP_T5325_GPIO_POWER_OFF, 0) == 0)
 188                 pm_power_off = hp_t5325_power_off;
 189         else
 190                 pr_err("t5325: failed to configure power-off GPIO\n");
 191 }
 192
 193 static int __init hp_t5325_pci_init(void)
 194 {
 195         if (machine_is_t5325())
 196                 kirkwood_pcie_init(KW_PCIE0);
 197
 198         return 0;
 199 }
 200 subsys_initcall(hp_t5325_pci_init);
 201
 202 MACHINE_START(T5325, "HP t5325 Thin Client")
 203         /* Maintainer: Martin Michlmayr <tbm@cyrius.com> */
 204         .atag_offset    = 0x100,
 205         .init_machine   = hp_t5325_init,
 206         .map_io         = kirkwood_map_io,
 207         .init_early     = kirkwood_init_early,
 208         .init_irq       = kirkwood_init_irq,
 209         .timer          = &kirkwood_timer,
 210 MACHINE_END