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/i2c.h>
  20 #include <linux/mv643xx_eth.h>
  21 #include <linux/ata_platform.h>
  22 #include <linux/gpio.h>
  23 #include <linux/gpio_keys.h>
  24 #include <linux/input.h>
  25 #include <sound/alc5623.h>
  26 #include <asm/mach-types.h>
  27 #include <asm/mach/arch.h>
  28 #include <mach/kirkwood.h>
  29 #include "common.h"
  30 #include "mpp.h"
  31
  32 static struct mtd_partition hp_t5325_partitions[] = {
  33         {
  34                 .name           = "u-boot env",
  35                 .size           = SZ_64K,
  36                 .offset         = SZ_512K + SZ_256K,
  37         },
  38         {
  39                 .name           = "permanent u-boot env",
  40                 .size           = SZ_64K,
  41                 .offset         = MTDPART_OFS_APPEND,
  42                 .mask_flags     = MTD_WRITEABLE,
  43         },
  44         {
  45                 .name           = "HP env",
  46                 .size           = SZ_64K,
  47                 .offset         = MTDPART_OFS_APPEND,
  48         },
  49         {
  50                 .name           = "u-boot",
  51                 .size           = SZ_512K,
  52                 .offset         = 0,
  53                 .mask_flags     = MTD_WRITEABLE,
  54         },
  55         {
  56                 .name           = "SSD firmware",
  57                 .size           = SZ_256K,
  58                 .offset         = SZ_512K,
  59         },
  60 };
  61
  62 static const struct flash_platform_data hp_t5325_flash = {
  63         .type           = "mx25l8005",
  64         .name           = "spi_flash",
  65         .parts          = hp_t5325_partitions,
  66         .nr_parts       = ARRAY_SIZE(hp_t5325_partitions),
  67 };
  68
  69 static struct spi_board_info __initdata hp_t5325_spi_slave_info[] = {
  70         {
  71                 .modalias       = "m25p80",
  72                 .platform_data  = &hp_t5325_flash,
  73                 .irq            = -1,
  74         },
  75 };
  76
  77 static struct mv643xx_eth_platform_data hp_t5325_ge00_data = {
  78         .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
  79 };
  80
  81 static struct mv_sata_platform_data hp_t5325_sata_data = {
  82         .n_ports        = 2,
  83 };
  84
  85 static struct gpio_keys_button hp_t5325_buttons[] = {
  86         {
  87                 .code           = KEY_POWER,
  88                 .gpio           = 45,
  89                 .desc           = "Power",
  90                 .active_low     = 1,
  91         },
  92 };
  93
  94 static struct gpio_keys_platform_data hp_t5325_button_data = {
  95         .buttons        = hp_t5325_buttons,
  96         .nbuttons       = ARRAY_SIZE(hp_t5325_buttons),
  97 };
  98
  99 static struct platform_device hp_t5325_button_device = {
 100         .name           = "gpio-keys",
 101         .id             = -1,
 102         .num_resources  = 0,
 103         .dev            = {
 104                 .platform_data  = &hp_t5325_button_data,
 105         }
 106 };
 107
 108 static struct platform_device hp_t5325_audio_device = {
 109         .name           = "t5325-audio",
 110         .id             = -1,
 111 };
 112
 113 static unsigned int hp_t5325_mpp_config[] __initdata = {
 114         MPP0_NF_IO2,
 115         MPP1_SPI_MOSI,
 116         MPP2_SPI_SCK,
 117         MPP3_SPI_MISO,
 118         MPP4_NF_IO6,
 119         MPP5_NF_IO7,
 120         MPP6_SYSRST_OUTn,
 121         MPP7_SPI_SCn,
 122         MPP8_TW0_SDA,
 123         MPP9_TW0_SCK,
 124         MPP10_UART0_TXD,
 125         MPP11_UART0_RXD,
 126         MPP12_SD_CLK,
 127         MPP13_GPIO,
 128         MPP14_GPIO,
 129         MPP15_GPIO,
 130         MPP16_GPIO,
 131         MPP17_GPIO,
 132         MPP18_NF_IO0,
 133         MPP19_NF_IO1,
 134         MPP20_GPIO,
 135         MPP21_GPIO,
 136         MPP22_GPIO,
 137         MPP23_GPIO,
 138         MPP32_GPIO,
 139         MPP33_GE1_TXCTL,
 140         MPP39_AU_I2SBCLK,
 141         MPP40_AU_I2SDO,
 142         MPP43_AU_I2SDI,
 143         MPP41_AU_I2SLRCLK,
 144         MPP42_AU_I2SMCLK,
 145         MPP45_GPIO,             /* Power button */
 146         MPP48_GPIO,             /* Board power off */
 147         0
 148 };
 149
 150 static struct alc5623_platform_data alc5621_data = {
 151         .add_ctrl = 0x3700,
 152         .jack_det_ctrl = 0x4810,
 153 };
 154
 155 static struct i2c_board_info i2c_board_info[] __initdata = {
 156         {
 157                 I2C_BOARD_INFO("alc5621", 0x1a),
 158                 .platform_data = &alc5621_data,
 159         },
 160 };
 161
 162 #define HP_T5325_GPIO_POWER_OFF         48
 163
 164 static void hp_t5325_power_off(void)
 165 {
 166         gpio_set_value(HP_T5325_GPIO_POWER_OFF, 1);
 167 }
 168
 169 static void __init hp_t5325_init(void)
 170 {
 171         /*
 172          * Basic setup. Needs to be called early.
 173          */
 174         kirkwood_init();
 175         kirkwood_mpp_conf(hp_t5325_mpp_config);
 176
 177         kirkwood_uart0_init();
 178         spi_register_board_info(hp_t5325_spi_slave_info,
 179                                 ARRAY_SIZE(hp_t5325_spi_slave_info));
 180         kirkwood_spi_init();
 181         kirkwood_i2c_init();
 182         kirkwood_ge00_init(&hp_t5325_ge00_data);
 183         kirkwood_sata_init(&hp_t5325_sata_data);
 184         kirkwood_ehci_init();
 185         platform_device_register(&hp_t5325_button_device);
 186         platform_device_register(&hp_t5325_audio_device);
 187
 188         i2c_register_board_info(0, i2c_board_info, ARRAY_SIZE(i2c_board_info));
 189         kirkwood_audio_init();
 190
 191         if (gpio_request(HP_T5325_GPIO_POWER_OFF, "power-off") == 0 &&
 192             gpio_direction_output(HP_T5325_GPIO_POWER_OFF, 0) == 0)
 193                 pm_power_off = hp_t5325_power_off;
 194         else
 195                 pr_err("t5325: failed to configure power-off GPIO\n");
 196 }
 197
 198 static int __init hp_t5325_pci_init(void)
 199 {
 200         if (machine_is_t5325())
 201                 kirkwood_pcie_init(KW_PCIE0);
 202
 203         return 0;
 204 }
 205 subsys_initcall(hp_t5325_pci_init);
 206
 207 MACHINE_START(T5325, "HP t5325 Thin Client")
 208         /* Maintainer: Martin Michlmayr <tbm@cyrius.com> */
 209         .atag_offset    = 0x100,
 210         .init_machine   = hp_t5325_init,
 211         .map_io         = kirkwood_map_io,
 212         .init_early     = kirkwood_init_early,
 213         .init_irq       = kirkwood_init_irq,
 214         .init_time      = kirkwood_timer_init,
 215         .restart        = kirkwood_restart,
 216 MACHINE_END