linux-kernel - [PATCH 04/13] arm: dts: s5pv210: aries: Set keep-power-in-suspend for SDHCI1

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Date:   Sun, 26 Apr 2020 11:35:55 -0700
From:   Jonathan Bakker <xc-racer2@...e.ca>
To:     kgene@...nel.org, krzk@...nel.org, robh+dt@...nel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Jonathan Bakker <xc-racer2@...e.ca>
Subject: [PATCH 04/13] arm: dts: s5pv210: aries: Set keep-power-in-suspend for SDHCI1

SDHCI1 is connected to a BCM4329 WiFi/BT chip which requires
power to be kept over suspend.  As the surrounding hardware supports
this, mark it as such.  This fixes wifi after a suspend/resume cycle.

Signed-off-by: Jonathan Bakker <xc-racer2@...e.ca>
---
 arch/arm/boot/dts/s5pv210-aries.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/s5pv210-aries.dtsi b/arch/arm/boot/dts/s5pv210-aries.dtsi
index 8ff70b856334..d419b77201f7 100644
--- a/arch/arm/boot/dts/s5pv210-aries.dtsi
+++ b/arch/arm/boot/dts/s5pv210-aries.dtsi
@@ -454,6 +454,7 @@
 	pinctrl-names = "default";
 	cap-sd-highspeed;
 	cap-mmc-highspeed;
+	keep-power-in-suspend;
 
 	mmc-pwrseq = <&wifi_pwrseq>;
 	non-removable;
-- 
2.20.1