Commit ac6583f5 authored by Michael Walle's avatar Michael Walle Committed by Rob Herring
Browse files

dt-bindings: fsl: convert fsl,layerscape-dcfg to YAML 



Convert the fsl,layerscape-dcfg binding to the new YAML format.

In the device trees, the device node always have a "syscon"
compatible, which wasn't mentioned in the previous binding.

One thing added here, compared to the original binding is the clock
controller subnode of the LS1028A SoC and its "simple-mfd" compatible as
used in arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi as well as the
little-endian and big-endian properties.

Signed-off-by: default avatarMichael Walle <michael@walle.cc>
Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: default avatarRob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220425140433.33936-1-michael@walle.cc
parent db92a6eb

Documentation/devicetree/bindings/arm/freescale/fsl,layerscape-dcfg.txt

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Freescale DCFG



DCFG is the device configuration unit, that provides general purpose

configuration and status for the device. Such as setting the secondary

core start address and release the secondary core from holdoff and startup.



Required properties:

  - compatible: Should contain a chip-specific compatible string,

	Chip-specific strings are of the form "fsl,<chip>-dcfg",

	The following <chip>s are known to be supported:

	ls1012a, ls1021a, ls1043a, ls1046a, ls2080a, lx2160a



  - reg : should contain base address and length of DCFG memory-mapped registers



Example:

	dcfg: dcfg@1ee0000 {

		compatible = "fsl,ls1021a-dcfg";

		reg = <0x0 0x1ee0000 0x0 0x10000>;

	};

Documentation/devicetree/bindings/soc/fsl/fsl,layerscape-dcfg.yaml

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/soc/fsl/fsl,layerscape-dcfg.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: Freescale Layerscape Device Configuration Unit



maintainers:

  - Shawn Guo <shawnguo@kernel.org>

  - Li Yang <leoyang.li@nxp.com>



description: |

  DCFG is the device configuration unit, that provides general purpose

  configuration and status for the device. Such as setting the secondary

  core start address and release the secondary core from holdoff and

  startup.



properties:

  compatible:

    oneOf:

      - items:

          - enum:

              - fsl,ls1012a-dcfg

              - fsl,ls1021a-dcfg

              - fsl,ls1043a-dcfg

              - fsl,ls1046a-dcfg

              - fsl,ls1088a-dcfg

              - fsl,ls2080a-dcfg

              - fsl,lx2160a-dcfg

          - const: syscon



      - items:

          - enum:

              - fsl,ls1028a-dcfg

          - const: syscon

          - const: simple-mfd



  reg:

    maxItems: 1



  little-endian: true

  big-endian: true



  '#address-cells':

    const: 1



  '#size-cells':

    const: 1



  ranges: true



patternProperties:

  "^clock-controller@[0-9a-z]+$":

    $ref: /schemas/clock/fsl,flexspi-clock.yaml#



required:

  - compatible

  - reg



additionalProperties: false



examples:

  - |

    syscon@1ee0000 {

        compatible = "fsl,ls1021a-dcfg", "syscon";

        reg = <0x1ee0000 0x10000>;

    };