diff --git a/arch/arm/dts/sama7g5ek-u-boot.dtsi b/arch/arm/dts/sama7g5ek-u-boot.dtsi
index 4af4d1bb5b..5e1a0d53a5 100644
--- a/arch/arm/dts/sama7g5ek-u-boot.dtsi
+++ b/arch/arm/dts/sama7g5ek-u-boot.dtsi
@@ -39,6 +39,10 @@
 	};
 };
 
+&pinctrl_flx3_default {
+	u-boot,dm-pre-reloc;
+};
+
 &pit64b0 {
 	u-boot,dm-pre-reloc;
 };
diff --git a/arch/arm/dts/sama7g5ek.dts b/arch/arm/dts/sama7g5ek.dts
index 03c7aa07ea..a9190bfcb3 100644
--- a/arch/arm/dts/sama7g5ek.dts
+++ b/arch/arm/dts/sama7g5ek.dts
@@ -38,12 +38,42 @@
 		apb {
 			sdmmc1: sdio-host@e1208000 {
 				bus-width = <4>;
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_sdmmc1_cmd_data_default
+					     &pinctrl_sdmmc1_ck_cd_rstn_vddsel_default>;
 				status = "okay";
 			};
 
 			uart0: serial@e1824200 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_flx3_default>;
 				status = "okay";
 			};
 		};
 	};
 };
+
+&pinctrl {
+	pinctrl_flx3_default: flx3_default {
+		pinmux = <PIN_PD16__FLEXCOM3_IO0>,
+			 <PIN_PD17__FLEXCOM3_IO1>;
+		bias-disable;
+	};
+
+	pinctrl_sdmmc1_cmd_data_default: sdmmc1_cmd_data_default {
+		pinmux = <PIN_PB29__SDMMC1_CMD>,
+			 <PIN_PB31__SDMMC1_DAT0>,
+			 <PIN_PC0__SDMMC1_DAT1>,
+			 <PIN_PC1__SDMMC1_DAT2>,
+			 <PIN_PC2__SDMMC1_DAT3>;
+		bias-pull-up;
+	};
+
+	pinctrl_sdmmc1_ck_cd_rstn_vddsel_default: sdmmc1_ck_cd_rstn_vddsel_default {
+		pinmux = <PIN_PB30__SDMMC1_CK>,
+			 <PIN_PB28__SDMMC1_RSTN>,
+			 <PIN_PC5__SDMMC1_1V8SEL>,
+			 <PIN_PC4__SDMMC1_CD>;
+		bias-pull-up;
+	};
+};