diff --git a/arch/arm/dts/uniphier-ph1-sld3.dtsi b/arch/arm/dts/uniphier-ph1-sld3.dtsi
index e01bd30..9a6ca57 100644
--- a/arch/arm/dts/uniphier-ph1-sld3.dtsi
+++ b/arch/arm/dts/uniphier-ph1-sld3.dtsi
@@ -111,6 +111,118 @@
 			clock-frequency = <36864000>;
 		};
 
+		port0x: gpio@55000008 {
+			compatible = "socionext,uniphier-gpio";
+			reg = <0x55000008 0x8>;
+			gpio-controller;
+			#gpio-cells = <2>;
+		};
+
+		port1x: gpio@55000010 {
+			compatible = "socionext,uniphier-gpio";
+			reg = <0x55000010 0x8>;
+			gpio-controller;
+			#gpio-cells = <2>;
+		};
+
+		port2x: gpio@55000018 {
+			compatible = "socionext,uniphier-gpio";
+			reg = <0x55000018 0x8>;
+			gpio-controller;
+			#gpio-cells = <2>;
+		};
+
+		port3x: gpio@55000020 {
+			compatible = "socionext,uniphier-gpio";
+			reg = <0x55000020 0x8>;
+			gpio-controller;
+			#gpio-cells = <2>;
+		};
+
+		port4: gpio@55000028 {
+			compatible = "socionext,uniphier-gpio";
+			reg = <0x55000028 0x8>;
+			gpio-controller;
+			#gpio-cells = <2>;
+		};
+
+		port5x: gpio@55000030 {
+			compatible = "socionext,uniphier-gpio";
+			reg = <0x55000030 0x8>;
+			gpio-controller;
+			#gpio-cells = <2>;
+		};
+
+		port6x: gpio@55000038 {
+			compatible = "socionext,uniphier-gpio";
+			reg = <0x55000038 0x8>;
+			gpio-controller;
+			#gpio-cells = <2>;
+		};
+
+		port7x: gpio@55000040 {
+			compatible = "socionext,uniphier-gpio";
+			reg = <0x55000040 0x8>;
+			gpio-controller;
+			#gpio-cells = <2>;
+		};
+
+		port8x: gpio@55000048 {
+			compatible = "socionext,uniphier-gpio";
+			reg = <0x55000048 0x8>;
+			gpio-controller;
+			#gpio-cells = <2>;
+		};
+
+		port9x: gpio@55000050 {
+			compatible = "socionext,uniphier-gpio";
+			reg = <0x55000050 0x8>;
+			gpio-controller;
+			#gpio-cells = <2>;
+		};
+
+		port10x: gpio@55000058 {
+			compatible = "socionext,uniphier-gpio";
+			reg = <0x55000058 0x8>;
+			gpio-controller;
+			#gpio-cells = <2>;
+		};
+
+		port11x: gpio@55000060 {
+			compatible = "socionext,uniphier-gpio";
+			reg = <0x55000060 0x8>;
+			gpio-controller;
+			#gpio-cells = <2>;
+		};
+
+		port12x: gpio@55000068 {
+			compatible = "socionext,uniphier-gpio";
+			reg = <0x55000068 0x8>;
+			gpio-controller;
+			#gpio-cells = <2>;
+		};
+
+		port13x: gpio@55000070 {
+			compatible = "socionext,uniphier-gpio";
+			reg = <0x55000070 0x8>;
+			gpio-controller;
+			#gpio-cells = <2>;
+		};
+
+		port14x: gpio@55000078 {
+			compatible = "socionext,uniphier-gpio";
+			reg = <0x55000078 0x8>;
+			gpio-controller;
+			#gpio-cells = <2>;
+		};
+
+		port16x: gpio@55000088 {
+			compatible = "socionext,uniphier-gpio";
+			reg = <0x55000088 0x8>;
+			gpio-controller;
+			#gpio-cells = <2>;
+		};
+
 		i2c0: i2c@58400000 {
 			compatible = "socionext,uniphier-i2c";
 			status = "disabled";