linux-kernel - [PATCH 3/4] arm64: tegra: Configure SDIO cards on Jetson Xavier SDMMC1

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Date:   Sat, 13 Jun 2020 15:22:11 +0200
From:   Tamás Szűcs <tszucs@...tonmail.ch>
To:     Rob Herring <robh+dt@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Vidya Sagar <vidyas@...dia.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        JC Kuo <jckuo@...dia.com>, Sameer Pujar <spujar@...dia.com>,
        devicetree@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Tamás Szűcs <tszucs@...tonmail.ch>
Subject: [PATCH 3/4] arm64: tegra: Configure SDIO cards on Jetson Xavier SDMMC1

Preserve SDIO card power during a suspend/resume cycle and enable wake up of
host system on SDIO IRQ assertion.

Signed-off-by: Tamás Szűcs <tszucs@...tonmail.ch>
---
 arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
index 5c40e5c7ee9c..4cf3830e37c3 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
@@ -59,6 +59,8 @@
 		/* SDMMC1 (SD/MMC) */
 		sdhci@...0000 {
 			cd-gpios = <&gpio TEGRA194_MAIN_GPIO(G, 7) GPIO_ACTIVE_LOW>;
+			keep-power-in-suspend;
+			wakeup-source;
 		};
 
 		/* SDMMC4 (eMMC) */
-- 
2.20.1