target/linux/at91/patches/600-usb_vbus_active_high.patch

   1 --- a/arch/arm/mach-at91/at91cap9_devices.c
   2 +++ b/arch/arm/mach-at91/at91cap9_devices.c
   3 @@ -77,7 +77,7 @@
   4         /* Enable VBus control for UHP ports */
   5         for (i = 0; i < data->ports; i++) {
   6                 if (data->vbus_pin[i])
   7 -                       at91_set_gpio_output(data->vbus_pin[i], 0);
   8 +                       at91_set_gpio_output(data->vbus_pin[i], data->vbus_active_high);
   9         }
  10
  11         usbh_data = *data;
  12 --- a/arch/arm/mach-at91/at91sam9263_devices.c
  13 +++ b/arch/arm/mach-at91/at91sam9263_devices.c
  14 @@ -71,7 +71,7 @@
  15         /* Enable VBus control for UHP ports */
  16         for (i = 0; i < data->ports; i++) {
  17                 if (data->vbus_pin[i])
  18 -                       at91_set_gpio_output(data->vbus_pin[i], 0);
  19 +                       at91_set_gpio_output(data->vbus_pin[i], data->vbus_active_high);
  20         }
  21
  22         usbh_data = *data;
  23 --- a/arch/arm/mach-at91/at91sam9g45_devices.c
  24 +++ b/arch/arm/mach-at91/at91sam9g45_devices.c
  25 @@ -119,7 +119,7 @@
  26         /* Enable VBus control for UHP ports */
  27         for (i = 0; i < data->ports; i++) {
  28                 if (data->vbus_pin[i])
  29 -                       at91_set_gpio_output(data->vbus_pin[i], 0);
  30 +                       at91_set_gpio_output(data->vbus_pin[i], data->vbus_active_high);
  31         }
  32
  33         usbh_ohci_data = *data;
  34 @@ -174,7 +174,7 @@
  35         /* Enable VBus control for UHP ports */
  36         for (i = 0; i < data->ports; i++) {
  37                 if (data->vbus_pin[i])
  38 -                       at91_set_gpio_output(data->vbus_pin[i], 0);
  39 +                       at91_set_gpio_output(data->vbus_pin[i], data->vbus_active_high);
  40         }
  41
  42         usbh_ehci_data = *data;
  43 --- a/arch/arm/mach-at91/include/mach/board.h
  44 +++ b/arch/arm/mach-at91/include/mach/board.h
  45 @@ -93,8 +93,9 @@
  46
  47   /* USB Host */
  48  struct at91_usbh_data {
  49 -       u8              ports;          /* number of ports on root hub */
  50 -       u8              vbus_pin[2];    /* port power-control pin */
  51 +       u8              ports;                  /* number of ports on root hub */
  52 +       u8              vbus_pin[2];            /* port power-control pin */
  53 +       u8              vbus_active_high;       /* true == vbus_pins are active high */
  54  };
  55  extern void __init at91_add_device_usbh(struct at91_usbh_data *data);
  56  extern void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data);
  57 --- a/drivers/usb/host/ohci-at91.c
  58 +++ b/drivers/usb/host/ohci-at91.c
  59 @@ -277,14 +277,13 @@
  60         if (pdata) {
  61                 /* REVISIT make the driver support per-port power switching,
  62                  * and also overcurrent detection.  Here we assume the ports
  63 -                * are always powered while this driver is active, and use
  64 -                * active-low power switches.
  65 +                * are always powered while this driver is active.
  66                  */
  67                 for (i = 0; i < ARRAY_SIZE(pdata->vbus_pin); i++) {
  68                         if (pdata->vbus_pin[i] <= 0)
  69                                 continue;
  70                         gpio_request(pdata->vbus_pin[i], "ohci_vbus");
  71 -                       gpio_direction_output(pdata->vbus_pin[i], 0);
  72 +                       gpio_direction_output(pdata->vbus_pin[i], pdata->vbus_active_high);
  73                 }
  74         }
  75
  76 @@ -301,7 +300,7 @@
  77                 for (i = 0; i < ARRAY_SIZE(pdata->vbus_pin); i++) {
  78                         if (pdata->vbus_pin[i] <= 0)
  79                                 continue;
  80 -                       gpio_direction_output(pdata->vbus_pin[i], 1);
  81 +                       gpio_direction_output(pdata->vbus_pin[i], !pdata->vbus_active_high);
  82                         gpio_free(pdata->vbus_pin[i]);
  83                 }
  84         }