linux-kernel - [PATCH v2 1/1] arm64: tegra: Enable SDIO on Jetson Nano M.2 Key E

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Message-Id: <20191202215200.9656-2-tszucs@protonmail.ch>
Date:   Mon,  2 Dec 2019 22:52:00 +0100
From:   Tamás Szűcs <tszucs@...tonmail.ch>
To:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Sowjanya Komatineni <skomatineni@...dia.com>,
        devicetree@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Tamás Szűcs <tszucs@...tonmail.ch>
Subject: [PATCH v2 1/1] arm64: tegra: Enable SDIO on Jetson Nano M.2 Key E

Enable SDMMC3 and set it up for SDIO devices.

Signed-off-by: Tamás Szűcs <tszucs@...tonmail.ch>
---
Changes in v2:
- keep card powered in suspend and enable WoWLAN

 arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts b/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts
index 90381d52ac54..7f7b720a2a1c 100644
--- a/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts
@@ -536,6 +536,19 @@
 		vmmc-supply = <&vdd_3v3_sd>;
 	};
 
+	sdhci@...b0400 {
+		status = "okay";
+		bus-width = <4>;
+
+		vqmmc-supply = <&vdd_1v8>;
+		vmmc-supply = <&vdd_3v3_sys>;
+
+		non-removable;
+		cap-sdio-irq;
+		keep-power-in-suspend;
+		wakeup-source;
+	};
+
 	clocks {
 		compatible = "simple-bus";
 		#address-cells = <1>;
-- 
2.20.1