arch/arm/mach-kirkwood/board-ns2.c

   1 /*
   2  * Copyright 2012 (C), Simon Guinot <simon.guinot@sequanux.org>
   3  *
   4  * arch/arm/mach-kirkwood/board-ns2.c
   5  *
   6  * LaCie Network Space v2 board (and parents) initialization for drivers
   7  * not converted to flattened device tree yet.
   8  *
   9  * This file is licensed under the terms of the GNU General Public
  10  * License version 2.  This program is licensed "as is" without any
  11  * warranty of any kind, whether express or implied.
  12  */
  13
  14 #include <linux/kernel.h>
  15 #include <linux/init.h>
  16 #include <linux/platform_device.h>
  17 #include <linux/mv643xx_eth.h>
  18 #include <linux/gpio.h>
  19 #include <linux/of.h>
  20 #include "common.h"
  21 #include "mpp.h"
  22
  23 static struct mv643xx_eth_platform_data ns2_ge00_data = {
  24         .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
  25 };
  26
  27 static unsigned int ns2_mpp_config[] __initdata = {
  28         MPP0_SPI_SCn,
  29         MPP1_SPI_MOSI,
  30         MPP2_SPI_SCK,
  31         MPP3_SPI_MISO,
  32         MPP4_NF_IO6,
  33         MPP5_NF_IO7,
  34         MPP6_SYSRST_OUTn,
  35         MPP7_GPO,               /* Fan speed (bit 1) */
  36         MPP8_TW0_SDA,
  37         MPP9_TW0_SCK,
  38         MPP10_UART0_TXD,
  39         MPP11_UART0_RXD,
  40         MPP12_GPO,              /* Red led */
  41         MPP14_GPIO,             /* USB fuse */
  42         MPP16_GPIO,             /* SATA 0 power */
  43         MPP17_GPIO,             /* SATA 1 power */
  44         MPP18_NF_IO0,
  45         MPP19_NF_IO1,
  46         MPP20_SATA1_ACTn,
  47         MPP21_SATA0_ACTn,
  48         MPP22_GPIO,             /* Fan speed (bit 0) */
  49         MPP23_GPIO,             /* Fan power */
  50         MPP24_GPIO,             /* USB mode select */
  51         MPP25_GPIO,             /* Fan rotation fail */
  52         MPP26_GPIO,             /* USB device vbus */
  53         MPP28_GPIO,             /* USB enable host vbus */
  54         MPP29_GPIO,             /* Blue led (slow register) */
  55         MPP30_GPIO,             /* Blue led (command register) */
  56         MPP31_GPIO,             /* Board power off */
  57         MPP32_GPIO,             /* Power button (0 = Released, 1 = Pushed) */
  58         MPP33_GPO,              /* Fan speed (bit 2) */
  59         0
  60 };
  61
  62 #define NS2_GPIO_POWER_OFF      31
  63
  64 static void ns2_power_off(void)
  65 {
  66         gpio_set_value(NS2_GPIO_POWER_OFF, 1);
  67 }
  68
  69 void __init ns2_init(void)
  70 {
  71         /*
  72          * Basic setup. Needs to be called early.
  73          */
  74         kirkwood_mpp_conf(ns2_mpp_config);
  75
  76         if (of_machine_is_compatible("lacie,netspace_lite_v2") ||
  77             of_machine_is_compatible("lacie,netspace_mini_v2"))
  78                 ns2_ge00_data.phy_addr = MV643XX_ETH_PHY_ADDR(0);
  79         kirkwood_ge00_init(&ns2_ge00_data);
  80
  81         if (gpio_request(NS2_GPIO_POWER_OFF, "power-off") == 0 &&
  82             gpio_direction_output(NS2_GPIO_POWER_OFF, 0) == 0)
  83                 pm_power_off = ns2_power_off;
  84         else
  85                 pr_err("ns2: failed to configure power-off GPIO\n");
  86 }