linux-kernel - [PATCH 4/4] arm64: tegra: Enable HS400 on Tegra194 SDMMC4

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Date:   Sat, 13 Jun 2020 15:22:12 +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 4/4] arm64: tegra: Enable HS400 on Tegra194 SDMMC4

Enable HS400 signaling on Tegra194 SDMMC4 controller.

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

diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
index 0a07930e68d1..ecb47a534f54 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi
@@ -542,6 +542,7 @@
 			nvidia,default-tap = <0x8>;
 			nvidia,default-trim = <0x14>;
 			nvidia,dqs-trim = <40>;
+			mmc-hs400-1_8v;
 			supports-cqe;
 			status = "disabled";
 		};
-- 
2.20.1