linux/arch/arm/mach-kirkwood/t5325-setup.c
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   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
  32struct 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
  62const 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
  69struct 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
  77static struct mv643xx_eth_platform_data hp_t5325_ge00_data = {
  78        .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
  79};
  80
  81static struct mv_sata_platform_data hp_t5325_sata_data = {
  82        .n_ports        = 2,
  83};
  84
  85static 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
  94static struct gpio_keys_platform_data hp_t5325_button_data = {
  95        .buttons        = hp_t5325_buttons,
  96        .nbuttons       = ARRAY_SIZE(hp_t5325_buttons),
  97};
  98
  99static 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
 108static struct platform_device hp_t5325_audio_device = {
 109        .name           = "t5325-audio",
 110        .id             = -1,
 111};
 112
 113static 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
 150static struct alc5623_platform_data alc5621_data = {
 151        .add_ctrl = 0x3700,
 152        .jack_det_ctrl = 0x4810,
 153};
 154
 155static 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
 164static void hp_t5325_power_off(void)
 165{
 166        gpio_set_value(HP_T5325_GPIO_POWER_OFF, 1);
 167}
 168
 169static 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
 198static int __init hp_t5325_pci_init(void)
 199{
 200        if (machine_is_t5325())
 201                kirkwood_pcie_init(KW_PCIE0);
 202
 203        return 0;
 204}
 205subsys_initcall(hp_t5325_pci_init);
 206
 207MACHINE_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        .timer          = &kirkwood_timer,
 215        .restart        = kirkwood_restart,
 216MACHINE_END
 217