From 6ce096348e8f53f81d561934cc28f4ba6ef0e9ce Mon Sep 17 00:00:00 2001
From: Wu Liangqing <wlq@rock-chips.com>
Date: Mon, 16 Nov 2020 10:28:43 +0800
Subject: [PATCH] arm64: dts: rockchip: sdhci enabled hs400 max-frequency
 100MHZ for rk3566-rk817-tablet

Change-Id: I4a5e8060966f75e47d470a6c495b74d90cedb51d
Signed-off-by: Wu Liangqing <wlq@rock-chips.com>
---
 arch/arm64/boot/dts/rockchip/rk3566-rk817-tablet.dts | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3566-rk817-tablet.dts b/arch/arm64/boot/dts/rockchip/rk3566-rk817-tablet.dts
index b090a2d1fae4..712c5793f448 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-rk817-tablet.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-rk817-tablet.dts
@@ -891,11 +891,12 @@
 
 &sdhci {
 	bus-width = <8>;
-	//mmc-hs400-1_8v;
+	mmc-hs400-1_8v;
 	supports-emmc;
 	non-removable;
 	keep-power-in-suspend;
-	max-frequency = <200000000>;
+	rockchip,txclk-tapnum = <0xa>;
+	max-frequency = <100000000>;
 	mmc-hs400-enhanced-strobe;
 	status = "okay";
 };