From 207f60babbed7e95c3a9accf3560e2f2a9b662ec Mon Sep 17 00:00:00 2001
From: Aapo Vienamo <avienamo@nvidia.com>
Date: Fri, 10 Aug 2018 21:14:04 +0300
Subject: [PATCH] arm64: dts: tegra186: Enable HS400

Enable HS400 signaling on Tegra186 SDMMC4 controller.

Signed-off-by: Aapo Vienamo <avienamo@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
---
 arch/arm64/boot/dts/nvidia/tegra186.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
index 9e07bc6add4b..2f3c8e29520d 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
@@ -314,6 +314,7 @@ sdmmc4: sdhci@3460000 {
 		nvidia,default-tap = <0x5>;
 		nvidia,default-trim = <0x9>;
 		nvidia,dqs-trim = <63>;
+		mmc-hs400-1_8v;
 		status = "disabled";
 	};