Commit b76b4e1d authored by Sibi Sankar's avatar Sibi Sankar Committed by Philipp Zabel
Browse files

dt-bindings: reset: aoss: Convert AOSS reset bindings to yaml 



Convert AOSS reset bindings to yaml and add SC7180 AOSS reset to the list
of possible bindings.

Signed-off-by: default avatarSibi Sankar <sibis@codeaurora.org>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
parent b89a8da9

Documentation/devicetree/bindings/reset/qcom,aoss-reset.txt

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Qualcomm AOSS Reset Controller

======================================



This binding describes a reset-controller found on AOSS-CC (always on subsystem)

for Qualcomm SDM845 SoCs.



Required properties:

- compatible:

	Usage: required

	Value type: <string>

	Definition: must be:

		    "qcom,sdm845-aoss-cc"



- reg:

	Usage: required

	Value type: <prop-encoded-array>

	Definition: must specify the base address and size of the register

	            space.



- #reset-cells:

	Usage: required

	Value type: <uint>

	Definition: must be 1; cell entry represents the reset index.



Example:



aoss_reset: reset-controller@c2a0000 {

	compatible = "qcom,sdm845-aoss-cc";

	reg = <0xc2a0000 0x31000>;

	#reset-cells = <1>;

};



Specifying reset lines connected to IP modules

==============================================



Device nodes that need access to reset lines should

specify them as a reset phandle in their corresponding node as

specified in reset.txt.



For list of all valid reset indicies see

<dt-bindings/reset/qcom,sdm845-aoss.h>



Example:



modem-pil@4080000 {

	...



	resets = <&aoss_reset AOSS_CC_MSS_RESTART>;

	reset-names = "mss_restart";



	...

};

Documentation/devicetree/bindings/reset/qcom,aoss-reset.yaml

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

%YAML 1.2

---

$id: http://devicetree.org/schemas/reset/qcom,aoss-reset.yaml#

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



title: Qualcomm AOSS Reset Controller



maintainers:

  - Sibi Sankar <sibis@codeaurora.org>



description:

  The bindings describe the reset-controller found on AOSS-CC (always on

  subsystem) for Qualcomm Technologies Inc SoCs.



properties:

  compatible:

    oneOf:

      - description: on SC7180 SoCs the following compatibles must be specified

        items:

          - const: "qcom,sc7180-aoss-cc"

          - const: "qcom,sdm845-aoss-cc"



      - description: on SDM845 SoCs the following compatibles must be specified

        items:

          - const: "qcom,sdm845-aoss-cc"



  reg:

    maxItems: 1



  '#reset-cells':

    const: 1



required:

  - compatible

  - reg

  - '#reset-cells'



additionalProperties: false



examples:

  - |

    aoss_reset: reset-controller@c2a0000 {

      compatible = "qcom,sdm845-aoss-cc";

      reg = <0xc2a0000 0x31000>;

      #reset-cells = <1>;

    };