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47 lines
1.2 KiB
47 lines
1.2 KiB
3 years ago
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: "http://devicetree.org/schemas/reserved-memory/qcom,cmd-db.yaml#"
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$schema: "http://devicetree.org/meta-schemas/core.yaml#"
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title: Qualcomm Command DB
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description: |
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Command DB is a database that provides a mapping between resource key and the
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resource address for a system resource managed by a remote processor. The data
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is stored in a shared memory region and is loaded by the remote processor.
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Some of the Qualcomm Technologies Inc SoC's have hardware accelerators for
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controlling shared resources. Depending on the board configuration the shared
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resource properties may change. These properties are dynamically probed by the
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remote processor and made available in the shared memory.
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maintainers:
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- Bjorn Andersson <[email protected]>
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allOf:
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- $ref: "reserved-memory.yaml"
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properties:
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compatible:
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const: qcom,cmd-db
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required:
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- reg
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unevaluatedProperties: false
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examples:
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- |
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reserved-memory {
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#address-cells = <1>;
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#size-cells = <1>;
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ranges;
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reserved-memory@85fe0000 {
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reg = <0x85fe0000 0x20000>;
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compatible = "qcom,cmd-db";
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no-map;
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};
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};
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