dt-bindings: soc: qcom: add On Chip MEMory (OCMEM) bindings

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

%YAML 1.2

---

$id: http://devicetree.org/schemas/sram/qcom,ocmem.yaml#

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

title: On Chip Memory (OCMEM) that is present on some Qualcomm Snapdragon SoCs.

maintainers:

  - Brian Masney <masneyb@onstation.org>

description: |

  The On Chip Memory (OCMEM) is typically used by the GPU, camera/video, and

  audio components on some Snapdragon SoCs.

properties:

  compatible:

    const: qcom,msm8974-ocmem

  reg:

    items:

      - description: Control registers

      - description: OCMEM address range

  reg-names:

    items:

      - const: ctrl

      - const: mem

  clocks:

    items:

      - description: Core clock

      - description: Interface clock

  clock-names:

    items:

      - const: core

      - const: iface

  '#address-cells':

    const: 1

  '#size-cells':

    const: 1

required:

  - compatible

  - reg

  - reg-names

  - clocks

  - clock-names

  - '#address-cells'

  - '#size-cells'

patternProperties:

  "^.+-sram$":

    type: object

    description: A region of reserved memory.

    properties:

      reg:

        maxItems: 1

      ranges:

        maxItems: 1

    required:

      - reg

      - ranges

examples:

  - |

      #include <dt-bindings/clock/qcom,rpmcc.h>

      #include <dt-bindings/clock/qcom,mmcc-msm8974.h>

      ocmem: ocmem@fdd00000 {

        compatible = "qcom,msm8974-ocmem";

        reg = <0xfdd00000 0x2000>,

              <0xfec00000 0x180000>;

        reg-names = "ctrl",

                    "mem";

        clocks = <&rpmcc RPM_SMD_OCMEMGX_CLK>,

                 <&mmcc OCMEMCX_OCMEMNOC_CLK>;

        clock-names = "core",

                      "iface";

        #address-cells = <1>;

        #size-cells = <1>;

        gmu-sram@0 {

                reg = <0x0 0x100000>;

                ranges = <0 0 0xfec00000 0x100000>;

        };

      };