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author | Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> | 2022-05-17 10:01:09 +0300 |
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committer | Bjorn Andersson <bjorn.andersson@linaro.org> | 2022-07-07 06:24:37 +0300 |
commit | 385fad1303afb89ab08412d56fc28c15bb551b26 (patch) | |
tree | 92b5d5804443b0aa8b3d779033b68064c58745cf /Documentation/devicetree/bindings/remoteproc/qcom,smd-edge.yaml | |
parent | ae9d475a10066823d21a1a93f81524851c4441a7 (diff) | |
download | linux-385fad1303afb89ab08412d56fc28c15bb551b26.tar.xz |
dt-bindings: remoteproc: qcom,smd-edge: define re-usable schema for smd-edge
'smd-edge' property appears in multiple bindings, so split it into one
place which can be re-used. This reduces code duplication and adds
strict schema matching for smd-edge nodes (instead of just
"type:object").
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20220517070113.18023-9-krzysztof.kozlowski@linaro.org
Diffstat (limited to 'Documentation/devicetree/bindings/remoteproc/qcom,smd-edge.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/remoteproc/qcom,smd-edge.yaml | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,smd-edge.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,smd-edge.yaml new file mode 100644 index 000000000000..06eebf791e32 --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/qcom,smd-edge.yaml @@ -0,0 +1,85 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/remoteproc/qcom,smd-edge.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm SMD Edge communication channel nodes + +maintainers: + - Bjorn Andersson <bjorn.andersson@linaro.org> + +description: + Qualcomm SMD subnode represents a remote subsystem or a remote processor of + some sort - or in SMD language an "edge". The name of the edges are not + important. + See also Documentation/devicetree/bindings/soc/qcom/qcom,smd.yaml + +properties: + $nodename: + const: "smd-edge" + + interrupts: + maxItems: 1 + + label: + description: + Name of the edge, used for debugging and identification purposes. The + node name will be used if this is not present. + + mboxes: + maxItems: 1 + description: + Reference to the mailbox representing the outgoing doorbell in APCS for + this client. + + qcom,ipc: + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + - items: + - description: phandle to a syscon node representing the APCS registers + - description: u32 representing offset to the register within the syscon + - description: u32 representing the ipc bit within the register + description: + Three entries specifying the outgoing ipc bit used for signaling the + remote processor. + + qcom,smd-edge: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + The identifier of the remote processor in the smd channel allocation + table. + + qcom,remote-pid: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + The identifier for the remote processor as known by the rest of the + system. + +required: + - interrupts + - qcom,smd-edge + +oneOf: + - required: + - mboxes + - required: + - qcom,ipc + +additionalProperties: true + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/mailbox/qcom-ipcc.h> + + remoteproc { + // ... + + smd-edge { + interrupts = <GIC_SPI 156 IRQ_TYPE_EDGE_RISING>; + + qcom,ipc = <&apcs 8 8>; + qcom,smd-edge = <1>; + }; + }; |