At least three platforms require the "qcom,qmp" property to be specified, so the IPA driver can request register retention across power collapse. Update DTS files accordingly. Signed-off-by: Alex Elder <elder@xxxxxxxxxx> --- v2: Add devicetree@xxxxxxxxxxxxxxx to addressee list. Dave, Jakub, please let Bjorn take this through the Qualcomm tree. arch/arm64/boot/dts/qcom/sc7180.dtsi | 2 ++ arch/arm64/boot/dts/qcom/sc7280.dtsi | 2 ++ arch/arm64/boot/dts/qcom/sm8350.dtsi | 2 ++ 3 files changed, 6 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi index 2151cd8c8c7ab..e1c46b80f14a0 100644 --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi @@ -1459,6 +1459,8 @@ ipa: ipa@1e40000 { "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", diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi index 937c2e0e93eb9..fe5792e7e8d7a 100644 --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi @@ -1714,6 +1714,8 @@ ipa: ipa@1e40000 { interconnect-names = "memory", "config"; + qcom,qmp = <&aoss_qmp>; + qcom,smem-states = <&ipa_smp2p_out 0>, <&ipa_smp2p_out 1>; qcom,smem-state-names = "ipa-clock-enabled-valid", diff --git a/arch/arm64/boot/dts/qcom/sm8350.dtsi b/arch/arm64/boot/dts/qcom/sm8350.dtsi index 53b39e718fb66..5c2866355e352 100644 --- a/arch/arm64/boot/dts/qcom/sm8350.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8350.dtsi @@ -1425,6 +1425,8 @@ ipa: ipa@1e40000 { interconnect-names = "memory", "config"; + qcom,qmp = <&aoss_qmp>; + qcom,smem-states = <&ipa_smp2p_out 0>, <&ipa_smp2p_out 1>; qcom,smem-state-names = "ipa-clock-enabled-valid", -- 2.32.0