qcom,smd-edge.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/remoteproc/qcom,smd-edge.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Qualcomm SMD Edge communication channel nodes
    8 
    9 maintainers:
   10   - Bjorn Andersson <bjorn.andersson@linaro.org>
   11 
   12 description:
   13   Qualcomm SMD subnode represents a remote subsystem or a remote processor of
   14   some sort - or in SMD language an "edge". The name of the edges are not
   15   important.
   16   See also Documentation/devicetree/bindings/soc/qcom/qcom,smd.yaml
   17 
   18 properties:
   19   $nodename:
   20     const: "smd-edge"
   21 
   22   interrupts:
   23     maxItems: 1
   24 
   25   label:
   26     description:
   27       Name of the edge, used for debugging and identification purposes. The
   28       node name will be used if this is not present.
   29 
   30   mboxes:
   31     maxItems: 1
   32     description:
   33       Reference to the mailbox representing the outgoing doorbell in APCS for
   34       this client.
   35 
   36   qcom,ipc:
   37     $ref: /schemas/types.yaml#/definitions/phandle-array
   38     items:
   39       - items:
   40           - description: phandle to a syscon node representing the APCS registers
   41           - description: u32 representing offset to the register within the syscon
   42           - description: u32 representing the ipc bit within the register
   43     description:
   44       Three entries specifying the outgoing ipc bit used for signaling the
   45       remote processor.
   46 
   47   qcom,smd-edge:
   48     $ref: /schemas/types.yaml#/definitions/uint32
   49     description:
   50       The identifier of the remote processor in the smd channel allocation
   51       table.
   52 
   53   qcom,remote-pid:
   54     $ref: /schemas/types.yaml#/definitions/uint32
   55     description:
   56       The identifier for the remote processor as known by the rest of the
   57       system.
   58 
   59 required:
   60   - interrupts
   61   - qcom,smd-edge
   62 
   63 oneOf:
   64   - required:
   65       - mboxes
   66   - required:
   67       - qcom,ipc
   68 
   69 additionalProperties: true
   70 
   71 examples:
   72   - |
   73     #include <dt-bindings/interrupt-controller/arm-gic.h>
   74     #include <dt-bindings/mailbox/qcom-ipcc.h>
   75 
   76     remoteproc {
   77         // ...
   78 
   79         smd-edge {
   80             interrupts = <GIC_SPI 156 IRQ_TYPE_EDGE_RISING>;
   81 
   82             qcom,ipc = <&apcs 8 8>;
   83             qcom,smd-edge = <1>;
   84         };
   85     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/remoteproc/qcom,smd-edge.yaml

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sys/contrib/device-tree/Bindings/remoteproc/qcom,smd-edge.yaml