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dt-bindings: soc: qcom: smd-rpm: Convert binding to YAML schema
Convert the qcom,smd-rpm.txt document to YAML schema Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Kathiravan T <kathirav@codeaurora.org> Link: https://lore.kernel.org/r/1595225543-12127-4-git-send-email-kathirav@codeaurora.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Kathiravan T
Bjorn Andersson
parent
84da0cf99b
commit
f935a752f2
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Qualcomm Resource Power Manager (RPM) over SMD
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This driver is used to interface with the Resource Power Manager (RPM) found in
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various Qualcomm platforms. The RPM allows each component in the system to vote
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for state of the system resources, such as clocks, regulators and bus
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frequencies.
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The SMD information for the RPM edge should be filled out. See qcom,smd.txt for
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the required edge properties. All SMD related properties will reside within the
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RPM node itself.
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= SUBDEVICES
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The RPM exposes resources to its subnodes. The rpm_requests node must be
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present and this subnode may contain children that designate regulator
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resources.
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- compatible:
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Usage: required
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Value type: <string>
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Definition: must be one of:
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"qcom,rpm-apq8084"
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"qcom,rpm-ipq6018"
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"qcom,rpm-msm8916"
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"qcom,rpm-msm8936"
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"qcom,rpm-msm8974"
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"qcom,rpm-msm8976"
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"qcom,rpm-msm8994"
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"qcom,rpm-msm8998"
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"qcom,rpm-sdm660"
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"qcom,rpm-qcs404"
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- qcom,smd-channels:
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Usage: required
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Value type: <string>
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Definition: must be "rpm_requests"
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Refer to Documentation/devicetree/bindings/regulator/qcom,smd-rpm-regulator.txt
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for information on the regulator subnodes that can exist under the rpm_requests.
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Example:
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soc {
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apcs: syscon@f9011000 {
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compatible = "syscon";
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reg = <0xf9011000 0x1000>;
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};
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};
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smd {
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compatible = "qcom,smd";
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rpm {
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interrupts = <0 168 1>;
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qcom,ipc = <&apcs 8 0>;
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qcom,smd-edge = <15>;
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rpm_requests {
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compatible = "qcom,rpm-msm8974";
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qcom,smd-channels = "rpm_requests";
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...
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};
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};
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};
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87
Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.yaml
Normal file
87
Documentation/devicetree/bindings/soc/qcom/qcom,smd-rpm.yaml
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# 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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$id: "http://devicetree.org/schemas/soc/qcom/qcom,smd-rpm.yaml#"
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$schema: "http://devicetree.org/meta-schemas/core.yaml#"
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title: Qualcomm Resource Power Manager (RPM) over SMD
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description: |
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This driver is used to interface with the Resource Power Manager (RPM) found
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in various Qualcomm platforms. The RPM allows each component in the system
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to vote for state of the system resources, such as clocks, regulators and bus
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frequencies.
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The SMD information for the RPM edge should be filled out. See qcom,smd.txt
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for the required edge properties. All SMD related properties will reside
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within the RPM node itself.
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The RPM exposes resources to its subnodes. The rpm_requests node must be
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present and this subnode may contain children that designate regulator
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resources.
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Refer to Documentation/devicetree/bindings/regulator/qcom,smd-rpm-regulator.txt
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for information on the regulator subnodes that can exist under the
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rpm_requests.
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maintainers:
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- Kathiravan T <kathirav@codeaurora.org>
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properties:
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compatible:
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enum:
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- qcom,rpm-apq8084
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- qcom,rpm-ipq6018
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- qcom,rpm-msm8916
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- qcom,rpm-msm8974
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- qcom,rpm-msm8976
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- qcom,rpm-msm8996
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- qcom,rpm-msm8998
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- qcom,rpm-sdm660
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- qcom,rpm-qcs404
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qcom,smd-channels:
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$ref: /schemas/types.yaml#/definitions/string-array
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description: Channel name used for the RPM communication
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items:
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- const: rpm_requests
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if:
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properties:
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compatible:
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contains:
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enum:
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- qcom,rpm-apq8084
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- qcom,rpm-msm8916
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- qcom,rpm-msm8974
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then:
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required:
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- qcom,smd-channels
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required:
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- compatible
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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smd {
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compatible = "qcom,smd";
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rpm {
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interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>;
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qcom,ipc = <&apcs 8 0>;
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qcom,smd-edge = <15>;
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rpm_requests {
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compatible = "qcom,rpm-msm8974";
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qcom,smd-channels = "rpm_requests";
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/* Regulator nodes to follow */
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};
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};
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};
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...
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