linux-kernel - [PATCH v3 5/5] arm64: tegra: Configure SDIO cards on Jetson AGX Xavier SDMMC1

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Date:   Wed, 14 Oct 2020 19:56:27 +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>,
        JC Kuo <jckuo@...dia.com>, Vidya Sagar <vidyas@...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 v3 5/5] arm64: tegra: Configure SDIO cards on Jetson AGX Xavier SDMMC1

Preserve SDIO card power during suspend/resume cycles and enable waking up the
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 604a2c8a7478..e3098b1555bc 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
@@ -78,6 +78,8 @@
 			bus-width = <4>;
 			cd-gpios = <&gpio TEGRA194_MAIN_GPIO(G, 7) GPIO_ACTIVE_LOW>;
 			disable-wp;
+			keep-power-in-suspend;
+			wakeup-source;
 
 			vmmc-supply = <&vdd_3v3_sd>;
 		};
-- 
2.20.1