dt-bindings: hwlock: qcom: Migrate binding to YAML

Qualcomm Hardware Mutex Block:

The hardware block provides mutexes utilized between different processors on

the SoC as part of the communication protocol used by these processors.

- compatible:

	Usage: required

	Value type: <string>

	Definition: must be one of:

		    "qcom,sfpb-mutex",

		    "qcom,tcsr-mutex"

- syscon:

	Usage: required

	Value type: <prop-encoded-array>

	Definition: one cell containing:

		    syscon phandle

		    offset of the hwmutex block within the syscon

		    stride of the hwmutex registers

- #hwlock-cells:

	Usage: required

	Value type: <u32>

	Definition: must be 1, the specified cell represent the lock id

		    (hwlock standard property, see hwlock.txt)

Example:

	tcsr_mutex_block: syscon@fd484000 {

		compatible = "syscon";

		reg = <0xfd484000 0x2000>;

	};

	hwlock@fd484000 {

		compatible = "qcom,tcsr-mutex";

		syscon = <&tcsr_mutex_block 0 0x80>;

		#hwlock-cells = <1>;

	};

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

%YAML 1.2

---

$id: http://devicetree.org/schemas/hwlock/qcom-hwspinlock.yaml#

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

title: Qualcomm Hardware Mutex Block

maintainers:

  - Bjorn Andersson <bjorn.andersson@linaro.org>

description:

  The hardware block provides mutexes utilized between different processors on

  the SoC as part of the communication protocol used by these processors.

properties:

  compatible:

    enum:

      - qcom,sfpb-mutex

      - qcom,tcsr-mutex

  '#hwlock-cells':

    const: 1

  syscon:

    $ref: "/schemas/types.yaml#/definitions/phandle-array"

    description:

      Should be a triple of phandle referencing the TCSR mutex syscon, offset

      of first mutex within the syscon and stride between each mutex.

required:

  - compatible

  - '#hwlock-cells'

  - syscon

additionalProperties: false

examples:

  - |

        tcsr_mutex_block: syscon@fd484000 {

                compatible = "syscon";

                reg = <0xfd484000 0x2000>;

        };

        hwlock {

                compatible = "qcom,tcsr-mutex";

                syscon = <&tcsr_mutex_block 0 0x80>;

                #hwlock-cells = <1>;

        };

...