diff --git a/arch/arm/boot/dts/uniphier-ld4.dtsi b/arch/arm/boot/dts/uniphier-ld4.dtsi
index 37950ad..b7849be 100644
--- a/arch/arm/boot/dts/uniphier-ld4.dtsi
+++ b/arch/arm/boot/dts/uniphier-ld4.dtsi
@@ -63,6 +63,17 @@
 			cache-level = <2>;
 		};
 
+		spi: spi@54006000 {
+			compatible = "socionext,uniphier-scssi";
+			status = "disabled";
+			reg = <0x54006000 0x100>;
+			interrupts = <0 39 4>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_spi0>;
+			clocks = <&peri_clk 11>;
+			resets = <&peri_rst 11>;
+		};
+
 		serial0: serial@54006800 {
 			compatible = "socionext,uniphier-uart";
 			status = "disabled";
diff --git a/arch/arm/boot/dts/uniphier-pro4.dtsi b/arch/arm/boot/dts/uniphier-pro4.dtsi
index 49539f0..d0c3e4a 100644
--- a/arch/arm/boot/dts/uniphier-pro4.dtsi
+++ b/arch/arm/boot/dts/uniphier-pro4.dtsi
@@ -71,6 +71,17 @@
 			cache-level = <2>;
 		};
 
+		spi0: spi@54006000 {
+			compatible = "socionext,uniphier-scssi";
+			status = "disabled";
+			reg = <0x54006000 0x100>;
+			interrupts = <0 39 4>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_spi0>;
+			clocks = <&peri_clk 11>;
+			resets = <&peri_rst 11>;
+		};
+
 		serial0: serial@54006800 {
 			compatible = "socionext,uniphier-uart";
 			status = "disabled";
@@ -115,6 +126,17 @@
 			resets = <&peri_rst 3>;
 		};
 
+		spi1: spi@54007000 {
+			compatible = "socionext,uniphier-mcssi";
+			status = "disabled";
+			reg = <0x54007000 0x2000>;
+			interrupts = <0 38 4>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_spi1>;
+			clocks = <&peri_clk 12>;
+			resets = <&peri_rst 12>;
+		};
+
 		gpio: gpio@55000000 {
 			compatible = "socionext,uniphier-gpio";
 			reg = <0x55000000 0x200>;
diff --git a/arch/arm/boot/dts/uniphier-pro5.dtsi b/arch/arm/boot/dts/uniphier-pro5.dtsi
index 06c2cef..606573c 100644
--- a/arch/arm/boot/dts/uniphier-pro5.dtsi
+++ b/arch/arm/boot/dts/uniphier-pro5.dtsi
@@ -156,6 +156,28 @@
 			cache-level = <3>;
 		};
 
+		spi0: spi@54006000 {
+			compatible = "socionext,uniphier-scssi";
+			status = "disabled";
+			reg = <0x54006000 0x100>;
+			interrupts = <0 39 4>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_spi0>;
+			clocks = <&peri_clk 11>;
+			resets = <&peri_rst 11>;
+		};
+
+		spi1: spi@54006100 {
+			compatible = "socionext,uniphier-scssi";
+			status = "disabled";
+			reg = <0x54006100 0x100>;
+			interrupts = <0 216 4>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_spi1>;
+			clocks = <&peri_clk 11>;
+			resets = <&peri_rst 11>;
+		};
+
 		serial0: serial@54006800 {
 			compatible = "socionext,uniphier-uart";
 			status = "disabled";
@@ -200,6 +222,17 @@
 			resets = <&peri_rst 3>;
 		};
 
+		spi2: spi@54007000 {
+			compatible = "socionext,uniphier-mcssi";
+			status = "disabled";
+			reg = <0x54007000 0x2000>;
+			interrupts = <0 38 4>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_spi2>;
+			clocks = <&peri_clk 12>;
+			resets = <&peri_rst 12>;
+		};
+
 		gpio: gpio@55000000 {
 			compatible = "socionext,uniphier-gpio";
 			reg = <0x55000000 0x200>;
diff --git a/arch/arm/boot/dts/uniphier-pxs2.dtsi b/arch/arm/boot/dts/uniphier-pxs2.dtsi
index 641d961..15b4f75 100644
--- a/arch/arm/boot/dts/uniphier-pxs2.dtsi
+++ b/arch/arm/boot/dts/uniphier-pxs2.dtsi
@@ -164,6 +164,28 @@
 			cache-level = <2>;
 		};
 
+		spi0: spi@54006000 {
+			compatible = "socionext,uniphier-scssi";
+			status = "disabled";
+			reg = <0x54006000 0x100>;
+			interrupts = <0 39 4>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_spi0>;
+			clocks = <&peri_clk 11>;
+			resets = <&peri_rst 11>;
+		};
+
+		spi1: spi@54006100 {
+			compatible = "socionext,uniphier-scssi";
+			status = "disabled";
+			reg = <0x54006100 0x100>;
+			interrupts = <0 216 4>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_spi1>;
+			clocks = <&peri_clk 11>;
+			resets = <&peri_rst 11>;
+		};
+
 		serial0: serial@54006800 {
 			compatible = "socionext,uniphier-uart";
 			status = "disabled";
diff --git a/arch/arm/boot/dts/uniphier-sld8.dtsi b/arch/arm/boot/dts/uniphier-sld8.dtsi
index e9b9b4f..83f832b 100644
--- a/arch/arm/boot/dts/uniphier-sld8.dtsi
+++ b/arch/arm/boot/dts/uniphier-sld8.dtsi
@@ -63,6 +63,17 @@
 			cache-level = <2>;
 		};
 
+		spi: spi@54006000 {
+			compatible = "socionext,uniphier-scssi";
+			status = "disabled";
+			reg = <0x54006000 0x100>;
+			interrupts = <0 39 4>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_spi0>;
+			clocks = <&peri_clk 11>;
+			resets = <&peri_rst 11>;
+		};
+
 		serial0: serial@54006800 {
 			compatible = "socionext,uniphier-uart";
 			status = "disabled";
