linux-kernel - [PATCH 4/6] arm64: dts: qcom: sa8775p: Hook up PDC as wakeup-parent of TLMM

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Message-Id: <20230811-topic-tlmm_wakeup-v1-4-5616a7da1fff@linaro.org>
Date:   Fri, 11 Aug 2023 22:48:37 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>
Cc:     Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH 4/6] arm64: dts: qcom: sa8775p: Hook up PDC as
 wakeup-parent of TLMM

Some TLMM pins are wakeup-capable. Describe the relationship between
these two peripherals to enable this functionality.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 arch/arm64/boot/dts/qcom/sa8775p.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
index 7b55cb701472..830730c020ba 100644
--- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi
+++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
@@ -1934,6 +1934,7 @@ tlmm: pinctrl@...0000 {
 			interrupt-controller;
 			#interrupt-cells = <2>;
 			gpio-ranges = <&tlmm 0 0 149>;
+			wakeup-parent = <&pdc>;
 		};
 
 		apps_smmu: iommu@...00000 {

-- 
2.41.0