target/linux/brcm63xx/patches-4.1/300-reset_buttons.patch

   1 --- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
   2 +++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
   3 @@ -10,6 +10,8 @@
   4  #include <linux/init.h>
   5  #include <linux/kernel.h>
   6  #include <linux/string.h>
   7 +#include <linux/gpio_keys.h>
   8 +#include <linux/input.h>
   9  #include <asm/addrspace.h>
  10  #include <bcm63xx_board.h>
  11  #include <bcm63xx_cpu.h>
  12 @@ -26,6 +28,9 @@
  13
  14  #define HCS_OFFSET_128K                        0x20000
  15
  16 +#define BCM963XX_KEYS_POLL_INTERVAL    20
  17 +#define BCM963XX_KEYS_DEBOUNCE_INTERVAL        (BCM963XX_KEYS_POLL_INTERVAL * 3)
  18 +
  19  /*
  20   * known 3368 boards
  21   */
  22 --- a/arch/mips/bcm63xx/boards/board_common.c
  23 +++ b/arch/mips/bcm63xx/boards/board_common.c
  24 @@ -12,6 +12,7 @@
  25  #include <linux/string.h>
  26  #include <linux/platform_device.h>
  27  #include <linux/ssb/ssb.h>
  28 +#include <linux/gpio_keys.h>
  29  #include <asm/addrspace.h>
  30  #include <bcm63xx_board.h>
  31  #include <bcm63xx_cpu.h>
  32 @@ -32,6 +33,8 @@
  33
  34  #define PFX    "board: "
  35
  36 +#define BCM963XX_KEYS_POLL_INTERVAL    20
  37 +
  38  static struct board_info board;
  39
  40  /*
  41 @@ -151,11 +154,23 @@ static struct platform_device bcm63xx_gp
  42         .dev.platform_data      = &bcm63xx_led_data,
  43  };
  44
  45 +static struct gpio_keys_platform_data bcm63xx_gpio_keys_data = {
  46 +       .poll_interval  = BCM963XX_KEYS_POLL_INTERVAL,
  47 +};
  48 +
  49 +static struct platform_device bcm63xx_gpio_keys_device = {
  50 +       .name           = "gpio-keys-polled",
  51 +       .id             = 0,
  52 +       .dev.platform_data = &bcm63xx_gpio_keys_data,
  53 +};
  54 +
  55  /*
  56   * third stage init callback, register all board devices.
  57   */
  58  int __init board_register_devices(void)
  59  {
  60 +       int button_count = 0;
  61 +
  62         if (board.has_uart0)
  63                 bcm63xx_uart_register(0);
  64
  65 @@ -217,5 +232,16 @@ int __init board_register_devices(void)
  66                 gpio_request_one(board.ephy_reset_gpio,
  67                                 board.ephy_reset_gpio_flags, "ephy-reset");
  68
  69 +       /* count number of BUTTONs defined by this device */
  70 +       while (button_count < ARRAY_SIZE(board.buttons) && board.buttons[button_count].desc)
  71 +               button_count++;
  72 +
  73 +       if (button_count) {
  74 +               bcm63xx_gpio_keys_data.nbuttons = button_count;
  75 +               bcm63xx_gpio_keys_data.buttons = board.buttons;
  76 +
  77 +               platform_device_register(&bcm63xx_gpio_keys_device);
  78 +       }
  79 +
  80         return 0;
  81  }
  82 --- a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
  83 +++ b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h
  84 @@ -3,6 +3,7 @@
  85
  86  #include <linux/types.h>
  87  #include <linux/gpio.h>
  88 +#include <linux/gpio_keys.h>
  89  #include <linux/leds.h>
  90  #include <bcm63xx_dev_enet.h>
  91  #include <bcm63xx_dev_usb_usbd.h>
  92 @@ -48,6 +49,9 @@ struct board_info {
  93         /* GPIO LEDs */
  94         struct gpio_led leds[5];
  95
  96 +       /* Buttons */
  97 +       struct gpio_keys_button buttons[4];
  98 +
  99         /* External PHY reset GPIO */
 100         unsigned int ephy_reset_gpio;
 101