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98 lines
1.9 KiB
98 lines
1.9 KiB
# 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 <[email protected]> |
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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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