Commit c7f99cd8 authored by Praveen Teja Kundanala's avatar Praveen Teja Kundanala Committed by Greg Kroah-Hartman
Browse files

dt-bindings: nvmem: Convert xlnx,zynqmp-nvmem.txt to yaml

parent 998f0633
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--------------------------------------------------------------------------
=  Zynq UltraScale+ MPSoC nvmem firmware driver binding =
--------------------------------------------------------------------------
The nvmem_firmware node provides access to the hardware related data
like soc revision, IDCODE... etc, By using the firmware interface.

Required properties:
- compatible: should be "xlnx,zynqmp-nvmem-fw"

= Data cells =
Are child nodes of silicon id, bindings of which as described in
bindings/nvmem/nvmem.txt

-------
 Example
-------
firmware {
	zynqmp_firmware: zynqmp-firmware {
		compatible = "xlnx,zynqmp-firmware";
		method = "smc";

		nvmem_firmware {
			compatible = "xlnx,zynqmp-nvmem-fw";
			#address-cells = <1>;
			#size-cells = <1>;

			/* Data cells */
			soc_revision: soc_revision {
				reg = <0x0 0x4>;
			};
		};
	};
};

= Data consumers =
Are device nodes which consume nvmem data cells.

For example:
	pcap {
		...

		nvmem-cells = <&soc_revision>;
		nvmem-cell-names = "soc_revision";

		...
	};
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/nvmem/xlnx,zynqmp-nvmem.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Zynq UltraScale+ MPSoC Non Volatile Memory interface

description: |
    The ZynqMP MPSoC provides access to the hardware related data
    like SOC revision, IDCODE and specific purpose efuses.

maintainers:
  - Kalyani Akula <kalyani.akula@amd.com>
  - Praveen Teja Kundanala <praveen.teja.kundanala@amd.com>

allOf:
  - $ref: nvmem.yaml#

properties:
  compatible:
    const: xlnx,zynqmp-nvmem-fw

required:
  - compatible

unevaluatedProperties: false

examples:
  - |
    nvmem {
        compatible = "xlnx,zynqmp-nvmem-fw";
        nvmem-layout {
            compatible = "fixed-layout";
            #address-cells = <1>;
            #size-cells = <1>;

            soc_revision: soc-revision@0 {
                reg = <0x0 0x4>;
            };
        };
    };