Xilinx PS GPIO Controller 바인딩

:orphan:

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.. dtcompatible:: xlnx,ps-gpio
.. _dtbinding_xlnx_ps_gpio:

xlnx,ps-gpio
############

Vendor: :ref:`Xilinx <dt_vendor_xlnx>`

Description
***********



.. code-block:: none

   Xilinx Zynq-7000/ZynqMP MIO/EMIO GPIO controller node.

   This GPIO controller is contained in both the Xilinx Zynq-7000 and
   ZynqMP (UltraScale) SoCs. It interfaces both I/O pins of the SoC,
   which can be mapped in the system design tools (MIO pins), or SoC-
   internal signals between the processor system and the programmable
   logic part of the SoC (EMIO pins).

   It is organized in banks, where the number of banks and total number
   of available GPIO pins differs between the two SoC families:

   Zynq-7000 (comp. Zynq-7000 TRM, chap. 14.1.2, p. 381):
     * Bank 0: MIO  pins [31:00]
     * Bank 1: MIO  pins [53:32] (total: 54 MIO pins)
     * Bank 2: EMIO pins [31:00]
     * Bank 3: EMIO pins [63:32] (total: 64 EMIO pins)

   ZynqMP (UltraScale) (comp. Ultrascale TRM, chap. 27, p. 769):
     * Bank 0: MIO  pins [25:00]
     * Bank 1: MIO  pins [51:26]
     * Bank 2: MIO  pins [77:52] (total: 78 MIO pins, 26 per bank)
     * Bank 3: EMIO pins [31:00]
     * Bank 4: EMIO pins [63:32]
     * Bank 5: EMIO pins [95:64] (total: 96 EMIO pins)

   The controller is interrupt-capable. Certain pins both in the Zynq-
   7000 and the ZynqMP are reserved or at least limited regarding their
   direction.

Properties
**********

.. tabs::

   .. group-tab:: Node specific properties

      Properties not inherited from the base binding file.

      (None)

   .. group-tab:: Deprecated node specific properties

      Deprecated properties not inherited from the base binding file.

      (None)

   .. group-tab:: Base properties

      Properties inherited from the base binding file, which defines
      common properties that may be set on many nodes. Not all of these
      may apply to the "xlnx,ps-gpio" compatible.

      .. list-table::
         :widths: 1 1 4
         :header-rows: 1

         * - Name
           - Type
           - Details

         * - ``wakeup-source``
           - ``boolean``
           - .. code-block:: none

                Property to identify that a device can be used as wake up source.

                When this property is provided a specific flag is set into the
                device that tells the system that the device is capable of
                wake up the system.

                Wake up capable devices are disabled (interruptions will not wake up
                the system) by default but they can be enabled at runtime if necessary.



         * - ``power-domain``
           - ``phandle``
           - .. code-block:: none


                Power domain the device belongs to.

                The device will be notified when the power domain it belongs to is either
                suspended or resumed.



         * - ``zephyr,pm-device-runtime-auto``
           - ``boolean``
           - .. code-block:: none

                Automatically configure the device for runtime power management after the
                init function runs.



         * - ``zephyr,disabling-power-states``
           - ``phandles``
           - .. code-block:: none

                List of power states that will disable this device power.



         * - ``status``
           - ``string``
           - .. code-block:: none

                indicates the operational status of a device


             Legal values: ``'ok'``, ``'okay'``, ``'disabled'``, ``'reserved'``, ``'fail'``, ``'fail-sss'``

             See :ref:`dt-important-props` for more information.

         * - ``compatible``
           - ``string-array``
           - .. code-block:: none

                compatible strings


             This property is **required**.

             See :ref:`dt-important-props` for more information.

         * - ``reg``
           - ``array``
           - .. code-block:: none

                register space


             This property is **required**.

             See :ref:`dt-important-props` for more information.

         * - ``reg-names``
           - ``string-array``
           - .. code-block:: none

                name of each register space


         * - ``interrupts``
           - ``array``
           - .. code-block:: none

                interrupts for device


             This property is **required**.

             See :ref:`dt-important-props` for more information.

         * - ``interrupts-extended``
           - ``compound``
           - .. code-block:: none

                extended interrupt specifier for device


         * - ``interrupt-names``
           - ``string-array``
           - .. code-block:: none

                name of each interrupt


         * - ``interrupt-parent``
           - ``phandle``
           - .. code-block:: none

                phandle to interrupt controller node


         * - ``label``
           - ``string``
           - .. code-block:: none

                Human readable string describing the device (used as device_get_binding() argument)



             See :ref:`dt-important-props` for more information.

             This property is **deprecated**.

         * - ``clocks``
           - ``phandle-array``
           - .. code-block:: none

                Clock gate information


         * - ``clock-names``
           - ``string-array``
           - .. code-block:: none

                name of each clock


         * - ``#address-cells``
           - ``int``
           - .. code-block:: none

                number of address cells in reg property


         * - ``#size-cells``
           - ``int``
           - .. code-block:: none

                number of size cells in reg property


         * - ``dmas``
           - ``phandle-array``
           - .. code-block:: none

                DMA channels specifiers


         * - ``dma-names``
           - ``string-array``
           - .. code-block:: none

                Provided names of DMA channel specifiers


         * - ``io-channels``
           - ``phandle-array``
           - .. code-block:: none

                IO channels specifiers


         * - ``io-channel-names``
           - ``string-array``
           - .. code-block:: none

                Provided names of IO channel specifiers


         * - ``mboxes``
           - ``phandle-array``
           - .. code-block:: none

                mailbox / IPM channels specifiers


         * - ``mbox-names``
           - ``string-array``
           - .. code-block:: none

                Provided names of mailbox / IPM channel specifiers


         * - ``zephyr,deferred-init``
           - ``boolean``
           - .. code-block:: none

                Do not initialize device automatically on boot. Device should be manually
                initialized using device_init().