linux-kernel - [PATCH 5/5] arm64: dts: rockchip: Enable UHS-I SDR-50 for Lunzn FastRhino R66S

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Message-Id: <20240628140104.551760-5-amadeus@jmu.edu.cn>
Date: Fri, 28 Jun 2024 22:01:04 +0800
From: Chukun Pan <amadeus@....edu.cn>
To: Heiko Stuebner <heiko@...ech.de>
Cc: Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Rob Herring <robh@...nel.org>,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	Chukun Pan <amadeus@....edu.cn>
Subject: [PATCH 5/5] arm64: dts: rockchip: Enable UHS-I SDR-50 for Lunzn FastRhino R66S

This board can work in UHS-I SDR-104 mode, but may not be stable,
use SDR-50 instead. Remove the max-frequency property, which is
already defined in rk356x.dtsi.

Fixes: c79dab407afd ("arm64: dts: rockchip: Add Lunzn Fastrhino R66S")
Signed-off-by: Chukun Pan <amadeus@....edu.cn>
---
 arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r66s.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r66s.dts b/arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r66s.dts
index b5e67990dd0f..8e5c182ef76c 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r66s.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3568-fastrhino-r66s.dts
@@ -20,9 +20,9 @@ &sdmmc0 {
 	cap-mmc-highspeed;
 	cap-sd-highspeed;
 	disable-wp;
-	max-frequency = <150000000>;
 	no-sdio;
 	no-mmc;
+	sd-uhs-sdr50;
 	pinctrl-names = "default";
 	pinctrl-0 = <&sdmmc0_bus4 &sdmmc0_clk &sdmmc0_cmd &sdmmc0_det>;
 	vmmc-supply = <&vcc3v3_sd>;
-- 
2.25.1