diff --git a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
index 2aaaff77831e..b33ac47fc6bd 100644
--- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
@@ -92,6 +92,18 @@ &pdma {
 	status = "okay";
 };
 
+&i2c8 {
+	pinctrl-0 = <&i2c8_cfg>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	pmic@41 {
+		compatible = "spacemit,p1";
+		reg = <0x41>;
+		interrupts = <64>;
+	};
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_2_cfg>;
diff --git a/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi b/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi
index ce7b899d4dd9..b71a65ca66fc 100644
--- a/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi
@@ -59,6 +59,13 @@ gmac1-pins {
 		};
 	};
 
+	i2c8_cfg: i2c8-cfg {
+		i2c8-0-pins {
+			pinmux = <K1_PADCONF(93, 0)>,	/* PWR_SCL */
+				 <K1_PADCONF(94, 0)>;	/* PWR_SDA */
+		};
+	};
+
 	/omit-if-no-ref/
 	uart0_0_cfg: uart0-0-cfg {
 		uart0-0-pins {
diff --git a/arch/riscv/boot/dts/spacemit/k1.dtsi b/arch/riscv/boot/dts/spacemit/k1.dtsi
index 6cdcd80a7c83..3de35077731c 100644
--- a/arch/riscv/boot/dts/spacemit/k1.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k1.dtsi
@@ -459,6 +459,19 @@ pwm7: pwm@d401bc00 {
 			status = "disabled";
 		};
 
+		i2c8: i2c@d401d800 {
+			compatible = "spacemit,k1-i2c";
+			reg = <0x0 0xd401d800 0x0 0x38>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			clocks = <&syscon_apbc CLK_TWSI8>,
+				 <&syscon_apbc CLK_TWSI8_BUS>;
+			clock-names = "func", "bus";
+			clock-frequency = <400000>;
+			interrupts = <19>;
+			status = "disabled";
+		};
+
 		pinctrl: pinctrl@d401e000 {
 			compatible = "spacemit,k1-pinctrl";
 			reg = <0x0 0xd401e000 0x0 0x400>;