1 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/rzv2-evk-cn15-emmc.dtso b/arch/arm64/boot/dts/renesas/rzv2-evk-cn15-emmc.dtso
new file mode 100644
index 000000000000..eda2b31f6d79
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/rzv2-evk-cn15-emmc.dtso
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Shared DT overlay for the eMMC Sub Board (RTK0EF0186B02000BJ), which
+ * is connected to the CN15 connector on the RZ/V2H and RZ/V2N EVKs.
+ *
+ * Copyright (C) 2025 Renesas Electronics Corp.
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pinctrl/rzg2l-pinctrl.h>
+
+&{/} {
+	aliases {
+		mmc0 = "/soc/mmc@15c00000";
+	};
+};
+
+&pinctrl {
+	sdhi0_emmc_pins: emmc-pins {
+		sd0-clk {
+			pins = "SD0CLK";
+			renesas,output-impedance = <3>;
+			slew-rate = <0>;
+		};
+
+		sd0-dat-cmd {
+			pins = "SD0DAT0", "SD0DAT1", "SD0DAT2", "SD0DAT3", "SD0DAT4",
+			       "SD0DAT5", "SD0DAT6", "SD0DAT7", "SD0CMD";
+			input-enable;
+			renesas,output-impedance = <3>;
+			slew-rate = <0>;
+		};
+	};
+};
+
+&sdhi0 {
+	pinctrl-0 = <&sdhi0_emmc_pins>;
+	pinctrl-1 = <&sdhi0_emmc_pins>;
+	pinctrl-names = "default", "state_uhs";
+	vmmc-supply = <&reg_3p3v>;
+	vqmmc-supply = <&reg_1p8v>;
+	bus-width = <8>;
+	mmc-hs200-1_8v;
+	non-removable;
+	fixed-emmc-driver-type = <1>;
+	status = "okay";
+};