linux-kernel - [PATCH RFC 13/14] arm64: dts: qcom: setup PDC as the wakeup parent for TLMM on SDM845

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Date:   Thu, 29 Aug 2019 12:12:02 -0600
From:   Lina Iyer <ilina@...eaurora.org>
To:     swboyd@...omium.org, evgreen@...omium.org, marc.zyngier@....com,
        linus.walleij@...aro.org
Cc:     linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        bjorn.andersson@...aro.org, mkshah@...eaurora.org,
        linux-gpio@...r.kernel.org, rnayak@...eaurora.org,
        Lina Iyer <ilina@...eaurora.org>
Subject: [PATCH RFC 13/14] arm64: dts: qcom: setup PDC as the wakeup parent for TLMM on SDM845

PDC always-on interrupt controller can detect certain GPIOs even when
the TLMM interrupt controller is powered off. Link the PDC as TLMM's
wakeup parent.

Signed-off-by: Lina Iyer <ilina@...eaurora.org>
---
 arch/arm64/boot/dts/qcom/sdm845.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index ffe28b3e41d8..3002793ee688 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -1358,6 +1358,7 @@
 			interrupt-controller;
 			#interrupt-cells = <2>;
 			gpio-ranges = <&tlmm 0 0 150>;
+			wakeup-parent = <&pdc_intc>;
 
 			qspi_clk: qspi-clk {
 				pinmux {
-- 
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