linux-kernel - [PATCH 3/3] arm64: dts: rockchip: Enable onboard eMMC on Radxa E20C

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Message-ID: <20250305214108.1327208-4-jonas@kwiboo.se>
Date: Wed,  5 Mar 2025 21:41:04 +0000
From: Jonas Karlman <jonas@...boo.se>
To: Heiko Stuebner <heiko@...ech.de>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: Yao Zi <ziyao@...root.org>,
	linux-rockchip@...ts.infradead.org,
	linux-mmc@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Jonas Karlman <jonas@...boo.se>
Subject: [PATCH 3/3] arm64: dts: rockchip: Enable onboard eMMC on Radxa E20C

The Radxa E20C may come with an onboard eMMC (8GB / 16GB / 32GB / 64GB).

Enable support for the onboard eMMC on Radxa E20C.

Signed-off-by: Jonas Karlman <jonas@...boo.se>
---
 arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
index a52a7924bb75..a511e2a2d4a5 100644
--- a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts
@@ -16,6 +16,7 @@ / {
 	compatible = "radxa,e20c", "rockchip,rk3528";
 
 	aliases {
+		mmc0 = &sdhci;
 		mmc1 = &sdmmc;
 	};
 
@@ -155,6 +156,17 @@ &saradc {
 	status = "okay";
 };
 
+&sdhci {
+	bus-width = <8>;
+	cap-mmc-highspeed;
+	no-sd;
+	no-sdio;
+	non-removable;
+	vmmc-supply = <&vcc_3v3>;
+	vqmmc-supply = <&vcc_1v8>;
+	status = "okay";
+};
+
 &sdmmc {
 	bus-width = <4>;
 	cap-mmc-highspeed;
-- 
2.48.1