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
  22 static struct mv643xx_eth_platform_data ns2_ge00_data = {
  23         .phy_addr       = MV643XX_ETH_PHY_ADDR(8),
  24 };
  25
  26 #define NS2_GPIO_POWER_OFF      31
  27
  28 static void ns2_power_off(void)
  29 {
  30         gpio_set_value(NS2_GPIO_POWER_OFF, 1);
  31 }
  32
  33 void __init ns2_init(void)
  34 {
  35         /*
  36          * Basic setup. Needs to be called early.
  37          */
  38         if (of_machine_is_compatible("lacie,netspace_lite_v2") ||
  39             of_machine_is_compatible("lacie,netspace_mini_v2"))
  40                 ns2_ge00_data.phy_addr = MV643XX_ETH_PHY_ADDR(0);
  41         kirkwood_ge00_init(&ns2_ge00_data);
  42
  43         if (gpio_request(NS2_GPIO_POWER_OFF, "power-off") == 0 &&
  44             gpio_direction_output(NS2_GPIO_POWER_OFF, 0) == 0)
  45                 pm_power_off = ns2_power_off;
  46         else
  47                 pr_err("ns2: failed to configure power-off GPIO\n");
  48 }