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Values here correspond to valid parameters to vendor-specific reset types in PSCI SYSTEM_RESET2 call. Reviewed-by: Rob Herring (Arm) Signed-off-by: Shivendra Pratap --- Documentation/devicetree/bindings/arm/psci.yaml | 42 +++++++++++++++++++++= ++++ 1 file changed, 42 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/psci.yaml b/Documentatio= n/devicetree/bindings/arm/psci.yaml index 6e2e0c551841111fbb0aa8c0951dca411b94035c..5fdcbf331ea5620363638feb6f8= 105427a87c00f 100644 --- a/Documentation/devicetree/bindings/arm/psci.yaml +++ b/Documentation/devicetree/bindings/arm/psci.yaml @@ -98,6 +98,26 @@ properties: [1] Kernel documentation - ARM idle states bindings Documentation/devicetree/bindings/cpu/idle-states.yaml =20 + reboot-mode: + type: object + $ref: /schemas/power/reset/reboot-mode.yaml# + unevaluatedProperties: false + properties: + # "mode-normal" is just SYSTEM_RESET + mode-normal: false + patternProperties: + "^mode-.*$": + minItems: 1 + maxItems: 2 + description: | + Describes a vendor-specific reset type. The string after "mode-" + maps a reboot mode to the parameters in the PSCI SYSTEM_RESET2 c= all. + + Parameters are named mode-xxx =3D , where xxx is= the + name of the magic reboot mode, type corresponds to the reset_type + and the values should be provided as per the PSCI SYSTEM_RESET2 + specs. The cookie value is optional and defaulted to zero. + patternProperties: "^power-domain-": $ref: /schemas/power/power-domain.yaml# @@ -137,6 +157,15 @@ allOf: required: - cpu_off - cpu_on + - if: + not: + properties: + compatible: + contains: + const: arm,psci-1.0 + then: + properties: + reboot-mode: false =20 additionalProperties: false =20 @@ -260,4 +289,17 @@ examples: domain-idle-states =3D <&cluster_ret>, <&cluster_pwrdn>; }; }; + + - |+ + + // Case 5: SYSTEM_RESET2 vendor resets + psci { + compatible =3D "arm,psci-1.0"; + method =3D "smc"; + + reboot-mode { + mode-edl =3D <0x80000000 1>; + mode-bootloader =3D <0x80010001 2>; + }; + }; ... --=20 2.34.1