Commit ac62a017 authored by Alex Elder's avatar Alex Elder Committed by Jakub Kicinski
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dt-bindings: net: qcom,ipa: add optional qcom,qmp property



For some systems, the IPA driver must make a request to ensure that
its registers are retained across power collapse of the IPA hardware.
On such systems, we'll use the existence of the "qcom,qmp" property
as a signal that this request is required.

Signed-off-by: default avatarAlex Elder <elder@linaro.org>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 4a81f6da
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+6 −0
Original line number Diff line number Diff line
@@ -107,6 +107,10 @@ properties:
          - const: imem
          - const: config

  qcom,qmp:
    $ref: /schemas/types.yaml#/definitions/phandle
    description: phandle to the AOSS side-channel message RAM

  qcom,smem-states:
    $ref: /schemas/types.yaml#/definitions/phandle-array
    description: State bits used in by the AP to signal the modem.
@@ -222,6 +226,8 @@ examples:
                                     "imem",
                                     "config";

                qcom,qmp = <&aoss_qmp>;

                qcom,smem-states = <&ipa_smp2p_out 0>,
                                   <&ipa_smp2p_out 1>;
                qcom,smem-state-names = "ipa-clock-enabled-valid",