linux-kernel - [PATCH 8/8] arm64: dts: rockchip: Enable SD-card interface on Radxa E20C

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Message-ID: <20250301104835.36439-1-ziyao@disroot.org>
Date: Sat,  1 Mar 2025 10:48:35 +0000
From: Yao Zi <ziyao@...root.org>
To: Ulf Hansson <ulf.hansson@...aro.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Frank Wang <frank.wang@...k-chips.com>,
	Shresth Prasad <shresthprasad7@...il.com>,
	Cristian Ciocaltea <cristian.ciocaltea@...labora.com>,
	Detlev Casanova <detlev.casanova@...labora.com>,
	Jonas Karlman <jonas@...boo.se>
Cc: linux-mmc@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-clk@...r.kernel.org,
	Yao Zi <ziyao@...root.org>
Subject: [PATCH 8/8] arm64: dts: rockchip: Enable SD-card interface on Radxa E20C

SD-card is available on Radxa E20C board.

Signed-off-by: Yao Zi <ziyao@...root.org>
---
 arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
index d2cdb63d4a9d..473065aa4228 100644
--- a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
@@ -12,6 +12,10 @@ / {
 	model = "Radxa E20C";
 	compatible = "radxa,e20c", "rockchip,rk3528";
 
+	aliases {
+		mmc0 = &sdmmc;
+	};
+
 	chosen {
 		stdout-path = "serial0:1500000n8";
 	};
@@ -20,3 +24,13 @@ chosen {
 &uart0 {
 	status = "okay";
 };
+
+&sdmmc {
+	bus-width = <4>;
+	cap-mmc-highspeed;
+	cap-sd-highspeed;
+	disable-wp;
+	rockchip,default-sample-phase = <90>;
+	sd-uhs-sdr104;
+	status = "okay";
+};
-- 
2.48.1