8d38320d81
Adding documentation for msm_sharedmem Change-Id: I38d99cc698e2581f13cd146c715825baa592f395 Signed-off-by: Marc Guillaume <quic_mguillau@quicinc.com>
60 lines
1.4 KiB
YAML
60 lines
1.4 KiB
YAML
# 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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$id: "http://devicetree.org/schemas/reserved-memory/qcom,uio.yaml#"
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$schema: "http://devicetree.org/meta-schemas/core.yaml#"
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title: QTI MSM Shared Memory
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description: |
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This binding describes the MSM Shared memory, which provides the
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shared memory addresses for various clients in user-space
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maintainers:
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- Bjorn Andersson <bjorn.andersson@linaro.org>
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properties:
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compatible:
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const: qcom,sharedmem-uio
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reg:
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minItems: 2
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maxItems: 2
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description: >
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The address and size of the shared memory. The address/sizes may vary.
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A reg address of Zero indicates that the shared memory is dynamically
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allocated using dma_alloc_coherent. A non zero reg address is
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used directly.
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reg-names:
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description: >
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Indicates various client-names.
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qcom,client-id:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: >
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The client id for the QMI clients.
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qcom,vm-nav-path:
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description: >
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If this dtsi property is set, then the shared memory region
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will be given access to vm-nav-path also.
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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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- qcom,client-id
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unevaluatedProperties: false
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examples:
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- |
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qcom,msm_sharedmem@0dc80000 {
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compatible = "qcom,sharedmem-uio";
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reg = <0x0dc80000 0x00180000>,
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reg-names = "rmtfs";
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qcom,client-id = <0x00000001>;
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qcom,vm-nav-path;
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};
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