# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/sram/qcom,ocmem.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: On Chip Memory (OCMEM) that is present on some Qualcomm Snapdragon SoCs.
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maintainers:
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- Brian Masney <masneyb@onstation.org>
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description: |
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The On Chip Memory (OCMEM) is typically used by the GPU, camera/video, and
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audio components on some Snapdragon SoCs.
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properties:
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compatible:
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const: qcom,msm8974-ocmem
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reg:
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items:
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- description: Control registers
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- description: OCMEM address range
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reg-names:
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items:
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- const: ctrl
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- const: mem
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clocks:
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items:
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- description: Core clock
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- description: Interface clock
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clock-names:
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items:
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- const: core
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- const: iface
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'#address-cells':
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const: 1
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'#size-cells':
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const: 1
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ranges:
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maxItems: 1
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required:
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- compatible
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- reg
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- reg-names
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- clocks
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- clock-names
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- '#address-cells'
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- '#size-cells'
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- ranges
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additionalProperties: false
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patternProperties:
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"-sram@[0-9a-f]+$":
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type: object
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description: A region of reserved memory.
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properties:
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reg:
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maxItems: 1
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required:
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- reg
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examples:
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- |
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#include <dt-bindings/clock/qcom,rpmcc.h>
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#include <dt-bindings/clock/qcom,mmcc-msm8974.h>
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ocmem: ocmem@fdd00000 {
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compatible = "qcom,msm8974-ocmem";
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reg = <0xfdd00000 0x2000>,
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<0xfec00000 0x180000>;
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reg-names = "ctrl",
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"mem";
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clocks = <&rpmcc RPM_SMD_OCMEMGX_CLK>,
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<&mmcc OCMEMCX_OCMEMNOC_CLK>;
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clock-names = "core",
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"iface";
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#address-cells = <1>;
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#size-cells = <1>;
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ranges = <0 0xfec00000 0x100000>;
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gmu-sram@0 {
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reg = <0x0 0x100000>;
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};
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};
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