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81 lines
2.1 KiB
81 lines
2.1 KiB
# 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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$id: "http://devicetree.org/schemas/soc/qcom/qcom,spm.yaml#" |
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$schema: "http://devicetree.org/meta-schemas/core.yaml#" |
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title: Qualcomm Subsystem Power Manager binding |
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maintainers: |
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- Andy Gross <[email protected]> |
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- Bjorn Andersson <[email protected]> |
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description: | |
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This binding describes the Qualcomm Subsystem Power Manager, used to control |
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the peripheral logic surrounding the application cores in Qualcomm platforms. |
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properties: |
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compatible: |
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items: |
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- enum: |
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- qcom,sdm660-gold-saw2-v4.1-l2 |
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- qcom,sdm660-silver-saw2-v4.1-l2 |
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- qcom,msm8998-gold-saw2-v4.1-l2 |
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- qcom,msm8998-silver-saw2-v4.1-l2 |
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- qcom,msm8916-saw2-v3.0-cpu |
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- qcom,msm8226-saw2-v2.1-cpu |
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- qcom,msm8974-saw2-v2.1-cpu |
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- qcom,apq8084-saw2-v2.1-cpu |
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- qcom,apq8064-saw2-v1.1-cpu |
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- const: qcom,saw2 |
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reg: |
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description: Base address and size of the SPM register region |
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maxItems: 1 |
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required: |
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- compatible |
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- reg |
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additionalProperties: false |
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examples: |
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- | |
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/* Example 1: SoC using SAW2 and kpss-acc-v2 CPUIdle */ |
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cpus { |
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#address-cells = <1>; |
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#size-cells = <0>; |
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cpu@0 { |
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compatible = "qcom,kryo"; |
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device_type = "cpu"; |
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enable-method = "qcom,kpss-acc-v2"; |
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qcom,saw = <&saw0>; |
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reg = <0x0>; |
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operating-points-v2 = <&cpu_opp_table>; |
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}; |
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}; |
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saw0: power-manager@f9089000 { |
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compatible = "qcom,msm8974-saw2-v2.1-cpu", "qcom,saw2"; |
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reg = <0xf9089000 0x1000>; |
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}; |
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- | |
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/* |
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* Example 2: New-gen multi cluster SoC using SAW only for L2; |
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* This does not require any cpuidle driver, nor any cpu phandle. |
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*/ |
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power-manager@17812000 { |
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compatible = "qcom,msm8998-gold-saw2-v4.1-l2", "qcom,saw2"; |
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reg = <0x17812000 0x1000>; |
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}; |
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power-manager@17912000 { |
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compatible = "qcom,msm8998-silver-saw2-v4.1-l2", "qcom,saw2"; |
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reg = <0x17912000 0x1000>; |
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}; |
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...
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