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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /Documentation/devicetree/bindings/remoteproc/qcom,smd-edge.yaml | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/remoteproc/qcom,smd-edge.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/remoteproc/qcom,smd-edge.yaml | 117 |
1 files changed, 117 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 000000000..7ec8a6b66 --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/qcom,smd-edge.yaml @@ -0,0 +1,117 @@ +# 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. + + In turn, subnodes of the "edges" represent devices tied to SMD channels on + that "edge". The names of the devices are not important. The properties of + these nodes are defined by the individual bindings for the SMD devices. + See also Documentation/devicetree/bindings/soc/qcom/qcom,smd.yaml + +properties: + $nodename: + const: "smd-edge" + + apr: + $ref: /schemas/soc/qcom/qcom,apr.yaml# + required: + - qcom,smd-channels + description: + Qualcomm APR/GPR (Asynchronous/Generic Packet Router) + + fastrpc: + $ref: /schemas/misc/qcom,fastrpc.yaml# + required: + - qcom,smd-channels + description: + Qualcomm FastRPC + + 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. + + rpm-requests: + $ref: /schemas/soc/qcom/qcom,smd-rpm.yaml# + required: + - qcom,smd-channels + description: + Qualcomm Resource Power Manager (RPM) over SMD. + + wcnss: + $ref: /schemas/soc/qcom/qcom,wcnss.yaml + required: + - qcom,smd-channels + description: + Qualcomm WCNSS for Bluetooth, WiFi and FM radio. + +required: + - interrupts + - qcom,smd-edge + +oneOf: + - required: + - mboxes + - required: + - qcom,ipc + +additionalProperties: false + +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>; + }; + }; |