linux-kernel - [PATCH] arm64: dts: rockchip: Enable eMMC on rk3576-evb1-v10

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Message-Id: <20250731062415.212-1-kernel@airkyi.com>
Date: Thu, 31 Jul 2025 14:24:15 +0800
From: Chaoyi Chen <kernel@...kyi.com>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>,
	Shawn Lin <shawn.lin@...k-chips.com>,
	Andy Yan <andy.yan@...k-chips.com>,
	Detlev Casanova <detlev.casanova@...labora.com>,
	Kever Yang <kever.yang@...k-chips.com>,
	Chaoyi Chen <chaoyi.chen@...k-chips.com>
Cc: devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] arm64: dts: rockchip: Enable eMMC on rk3576-evb1-v10

From: Chaoyi Chen <chaoyi.chen@...k-chips.com>

Some rk3576-evb1 boards use eMMC instead of UFS. Enable eMMC for it.

Signed-off-by: Chaoyi Chen <chaoyi.chen@...k-chips.com>
---
 arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts
index 56527c56830e..a60dee0de9f9 100644
--- a/arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts
@@ -723,6 +723,18 @@ usbc0_int: usbc0-int {
 	};
 };
 
+&sdhci {
+	bus-width = <8>;
+	full-pwr-cycle-in-suspend;
+	max-frequency = <200000000>;
+	mmc-hs400-1_8v;
+	mmc-hs400-enhanced-strobe;
+	no-sdio;
+	no-sd;
+	non-removable;
+	status = "okay";
+};
+
 &sdmmc {
 	bus-width = <4>;
 	cap-mmc-highspeed;
-- 
2.49.0