1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 $id: "http://devicetree.org/schemas/soc/qcom/qcom,spm.yaml#"
5 $schema: "http://devicetree.org/meta-schemas/core.yaml#"
7 title: Qualcomm Subsystem Power Manager binding
10 - Andy Gross <agross@kernel.org>
11 - Bjorn Andersson <bjorn.andersson@linaro.org>
14 This binding describes the Qualcomm Subsystem Power Manager, used to control
15 the peripheral logic surrounding the application cores in Qualcomm platforms.
21 - qcom,sdm660-gold-saw2-v4.1-l2
22 - qcom,sdm660-silver-saw2-v4.1-l2
23 - qcom,msm8998-gold-saw2-v4.1-l2
24 - qcom,msm8998-silver-saw2-v4.1-l2
25 - qcom,msm8909-saw2-v3.0-cpu
26 - qcom,msm8916-saw2-v3.0-cpu
27 - qcom,msm8226-saw2-v2.1-cpu
28 - qcom,msm8974-saw2-v2.1-cpu
29 - qcom,apq8084-saw2-v2.1-cpu
30 - qcom,apq8064-saw2-v1.1-cpu
34 description: Base address and size of the SPM register region
41 additionalProperties: false
46 /* Example 1: SoC using SAW2 and kpss-acc-v2 CPUIdle */
52 compatible = "qcom,kryo";
54 enable-method = "qcom,kpss-acc-v2";
57 operating-points-v2 = <&cpu_opp_table>;
61 saw0: power-manager@f9089000 {
62 compatible = "qcom,msm8974-saw2-v2.1-cpu", "qcom,saw2";
63 reg = <0xf9089000 0x1000>;
69 * Example 2: New-gen multi cluster SoC using SAW only for L2;
70 * This does not require any cpuidle driver, nor any cpu phandle.
72 power-manager@17812000 {
73 compatible = "qcom,msm8998-gold-saw2-v4.1-l2", "qcom,saw2";
74 reg = <0x17812000 0x1000>;
77 power-manager@17912000 {
78 compatible = "qcom,msm8998-silver-saw2-v4.1-l2", "qcom,saw2";
79 reg = <0x17912000 0x1000>;