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72 lines
1.5 KiB
72 lines
1.5 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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$id: "http://devicetree.org/schemas/soc/qcom/qcom,smem.yaml#" |
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$schema: "http://devicetree.org/meta-schemas/core.yaml#" |
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title: Qualcomm Shared Memory Manager binding |
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maintainers: |
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- Andy Gross <[email protected]> |
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- Bjorn Andersson <[email protected]> |
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description: | |
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This binding describes the Qualcomm Shared Memory Manager, used to share data |
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between various subsystems and OSes in Qualcomm platforms. |
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properties: |
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compatible: |
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const: qcom,smem |
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memory-region: |
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maxItems: 1 |
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description: handle to memory reservation for main SMEM memory region. |
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hwlocks: |
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maxItems: 1 |
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qcom,rpm-msg-ram: |
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$ref: /schemas/types.yaml#/definitions/phandle |
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description: handle to RPM message memory resource |
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required: |
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- compatible |
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- memory-region |
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- hwlocks |
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additionalProperties: 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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smem_region: smem@fa00000 { |
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reg = <0xfa00000 0x200000>; |
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no-map; |
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}; |
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}; |
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smem { |
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compatible = "qcom,smem"; |
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memory-region = <&smem_region>; |
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qcom,rpm-msg-ram = <&rpm_msg_ram>; |
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hwlocks = <&tcsr_mutex 3>; |
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}; |
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soc { |
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#address-cells = <1>; |
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#size-cells = <1>; |
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ranges; |
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rpm_msg_ram: sram@fc428000 { |
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compatible = "qcom,rpm-msg-ram"; |
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reg = <0xfc428000 0x4000>; |
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}; |
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}; |
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...
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