diff --git a/arch/arm/dts/uniphier-ld11.dtsi b/arch/arm/dts/uniphier-ld11.dtsi
index d63b56e944..31ba52b14e 100644
--- a/arch/arm/dts/uniphier-ld11.dtsi
+++ b/arch/arm/dts/uniphier-ld11.dtsi
@@ -116,6 +116,28 @@
 		#size-cells = <1>;
 		ranges = <0 0 0 0xffffffff>;
 
+		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";
@@ -432,6 +454,8 @@
 				 <&mio_clk 12>;
 			resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 8>,
 				 <&mio_rst 12>;
+			phy-names = "usb";
+			phys = <&usb_phy0>;
 			has-transaction-translator;
 		};
 
@@ -446,6 +470,8 @@
 				 <&mio_clk 13>;
 			resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 9>,
 				 <&mio_rst 13>;
+			phy-names = "usb";
+			phys = <&usb_phy1>;
 			has-transaction-translator;
 		};
 
@@ -460,6 +486,8 @@
 				 <&mio_clk 14>;
 			resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 10>,
 				 <&mio_rst 14>;
+			phy-names = "usb";
+			phys = <&usb_phy2>;
 			has-transaction-translator;
 		};
 
@@ -488,6 +516,27 @@
 			pinctrl: pinctrl {
 				compatible = "socionext,uniphier-ld11-pinctrl";
 			};
+
+			usb-phy {
+				compatible = "socionext,uniphier-ld11-usb2-phy";
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				usb_phy0: phy@0 {
+					reg = <0>;
+					#phy-cells = <0>;
+				};
+
+				usb_phy1: phy@1 {
+					reg = <1>;
+					#phy-cells = <0>;
+				};
+
+				usb_phy2: phy@2 {
+					reg = <2>;
+					#phy-cells = <0>;
+				};
+			};
 		};
 
 		soc-glue@5f900000 {
@@ -571,7 +620,8 @@
 			interrupts = <0 65 4>;
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_nand>;
-			clocks = <&sys_clk 2>;
+			clock-names = "nand", "nand_x", "ecc";
+			clocks = <&sys_clk 2>, <&sys_clk 3>, <&sys_clk 3>;
 			resets = <&sys_rst 2>;
 		};
 	};
diff --git a/arch/arm/dts/uniphier-ld20-global.dts b/arch/arm/dts/uniphier-ld20-global.dts
index 1a5e7c24b9..9ca692ed1b 100644
--- a/arch/arm/dts/uniphier-ld20-global.dts
+++ b/arch/arm/dts/uniphier-ld20-global.dts
@@ -145,6 +145,10 @@
 	};
 };
 
+&usb {
+	status = "okay";
+};
+
 &nand {
 	status = "okay";
 };
diff --git a/arch/arm/dts/uniphier-ld20-ref.dts b/arch/arm/dts/uniphier-ld20-ref.dts
index 440c2e6a63..406244a5c8 100644
--- a/arch/arm/dts/uniphier-ld20-ref.dts
+++ b/arch/arm/dts/uniphier-ld20-ref.dts
@@ -75,3 +75,7 @@
 		drive-strength = <9>;
 	};
 };
+
+&usb {
+	status = "okay";
+};
diff --git a/arch/arm/dts/uniphier-ld20.dtsi b/arch/arm/dts/uniphier-ld20.dtsi
index 9970497039..b9ed613ace 100644
--- a/arch/arm/dts/uniphier-ld20.dtsi
+++ b/arch/arm/dts/uniphier-ld20.dtsi
@@ -224,6 +224,50 @@
 		#size-cells = <1>;
 		ranges = <0 0 0 0xffffffff>;
 
+		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>;
+		};
+
+		spi2: spi@54006200 {
+			compatible = "socionext,uniphier-scssi";
+			status = "disabled";
+			reg = <0x54006200 0x100>;
+			interrupts = <0 229 4>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_spi2>;
+			clocks = <&peri_clk 11>;
+			resets = <&peri_rst 11>;
+		};
+
+		spi3: spi@54006300 {
+			compatible = "socionext,uniphier-scssi";
+			status = "disabled";
+			reg = <0x54006300 0x100>;
+			interrupts = <0 230 4>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_spi3>;
+			clocks = <&peri_clk 11>;
+			resets = <&peri_rst 11>;
+		};
+
 		serial0: serial@54006800 {
 			compatible = "socionext,uniphier-uart";
 			status = "disabled";
@@ -567,6 +611,50 @@
 			efuse@200 {
 				compatible = "socionext,uniphier-efuse";
 				reg = <0x200 0x68>;
+				#address-cells = <1>;
+				#size-cells = <1>;
+
+				/* USB cells */
+				usb_rterm0: trim@54,4 {
+					reg = <0x54 1>;
+					bits = <4 2>;
+				};
+				usb_rterm1: trim@55,4 {
+					reg = <0x55 1>;
+					bits = <4 2>;
+				};
+				usb_rterm2: trim@58,4 {
+					reg = <0x58 1>;
+					bits = <4 2>;
+				};
+				usb_rterm3: trim@59,4 {
+					reg = <0x59 1>;
+					bits = <4 2>;
+				};
+				usb_sel_t0: trim@54,0 {
+					reg = <0x54 1>;
+					bits = <0 4>;
+				};
+				usb_sel_t1: trim@55,0 {
+					reg = <0x55 1>;
+					bits = <0 4>;
+				};
+				usb_sel_t2: trim@58,0 {
+					reg = <0x58 1>;
+					bits = <0 4>;
+				};
+				usb_sel_t3: trim@59,0 {
+					reg = <0x59 1>;
+					bits = <0 4>;
+				};
+				usb_hs_i0: trim@56,0 {
+					reg = <0x56 1>;
+					bits = <0 4>;
+				};
+				usb_hs_i2: trim@5a,0 {
+					reg = <0x5a 1>;
+					bits = <0 4>;
+				};
 			};
 		};
 
@@ -634,6 +722,157 @@
 			};
 		};
 
+		_usb: usb@65a00000 {
+			compatible = "socionext,uniphier-dwc3", "snps,dwc3";
+			status = "disabled";
+			reg = <0x65a00000 0xcd00>;
+			interrupt-names = "host";
+			interrupts = <0 134 4>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_usb0>, <&pinctrl_usb1>,
+				    <&pinctrl_usb2>, <&pinctrl_usb3>;
+			clock-names = "ref", "bus_early", "suspend";
+			clocks = <&sys_clk 14>, <&sys_clk 14>, <&sys_clk 14>;
+			resets = <&usb_rst 15>;
+			phys = <&usb_hsphy0>, <&usb_hsphy1>,
+			       <&usb_hsphy2>, <&usb_hsphy3>,
+			       <&usb_ssphy0>, <&usb_ssphy1>;
+			dr_mode = "host";
+		};
+
+		usb-glue@65b00000 {
+			compatible = "socionext,uniphier-ld20-dwc3-glue",
+				     "simple-mfd";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0 0x65b00000 0x400>;
+
+			usb_rst: reset@0 {
+				compatible = "socionext,uniphier-ld20-usb3-reset";
+				reg = <0x0 0x4>;
+				#reset-cells = <1>;
+				clock-names = "link";
+				clocks = <&sys_clk 14>;
+				reset-names = "link";
+				resets = <&sys_rst 14>;
+			};
+
+			usb_vbus0: regulator@100 {
+				compatible = "socionext,uniphier-ld20-usb3-regulator";
+				reg = <0x100 0x10>;
+				clock-names = "link";
+				clocks = <&sys_clk 14>;
+				reset-names = "link";
+				resets = <&sys_rst 14>;
+			};
+
+			usb_vbus1: regulator@110 {
+				compatible = "socionext,uniphier-ld20-usb3-regulator";
+				reg = <0x110 0x10>;
+				clock-names = "link";
+				clocks = <&sys_clk 14>;
+				reset-names = "link";
+				resets = <&sys_rst 14>;
+			};
+
+			usb_vbus2: regulator@120 {
+				compatible = "socionext,uniphier-ld20-usb3-regulator";
+				reg = <0x120 0x10>;
+				clock-names = "link";
+				clocks = <&sys_clk 14>;
+				reset-names = "link";
+				resets = <&sys_rst 14>;
+			};
+
+			usb_vbus3: regulator@130 {
+				compatible = "socionext,uniphier-ld20-usb3-regulator";
+				reg = <0x130 0x10>;
+				clock-names = "link";
+				clocks = <&sys_clk 14>;
+				reset-names = "link";
+				resets = <&sys_rst 14>;
+			};
+
+			usb_hsphy0: hs-phy@200 {
+				compatible = "socionext,uniphier-ld20-usb3-hsphy";
+				reg = <0x200 0x10>;
+				#phy-cells = <0>;
+				clock-names = "link", "phy";
+				clocks = <&sys_clk 14>, <&sys_clk 16>;
+				reset-names = "link", "phy";
+				resets = <&sys_rst 14>, <&sys_rst 16>;
+				vbus-supply = <&usb_vbus0>;
+				nvmem-cell-names = "rterm", "sel_t", "hs_i";
+				nvmem-cells = <&usb_rterm0>, <&usb_sel_t0>,
+					      <&usb_hs_i0>;
+			};
+
+			usb_hsphy1: hs-phy@210 {
+				compatible = "socionext,uniphier-ld20-usb3-hsphy";
+				reg = <0x210 0x10>;
+				#phy-cells = <0>;
+				clock-names = "link", "phy";
+				clocks = <&sys_clk 14>, <&sys_clk 16>;
+				reset-names = "link", "phy";
+				resets = <&sys_rst 14>, <&sys_rst 16>;
+				vbus-supply = <&usb_vbus1>;
+				nvmem-cell-names = "rterm", "sel_t", "hs_i";
+				nvmem-cells = <&usb_rterm1>, <&usb_sel_t1>,
+					      <&usb_hs_i0>;
+			};
+
+			usb_hsphy2: hs-phy@220 {
+				compatible = "socionext,uniphier-ld20-usb3-hsphy";
+				reg = <0x220 0x10>;
+				#phy-cells = <0>;
+				clock-names = "link", "phy";
+				clocks = <&sys_clk 14>, <&sys_clk 17>;
+				reset-names = "link", "phy";
+				resets = <&sys_rst 14>, <&sys_rst 17>;
+				vbus-supply = <&usb_vbus2>;
+				nvmem-cell-names = "rterm", "sel_t", "hs_i";
+				nvmem-cells = <&usb_rterm2>, <&usb_sel_t2>,
+					      <&usb_hs_i2>;
+			};
+
+			usb_hsphy3: hs-phy@230 {
+				compatible = "socionext,uniphier-ld20-usb3-hsphy";
+				reg = <0x230 0x10>;
+				#phy-cells = <0>;
+				clock-names = "link", "phy";
+				clocks = <&sys_clk 14>, <&sys_clk 17>;
+				reset-names = "link", "phy";
+				resets = <&sys_rst 14>, <&sys_rst 17>;
+				vbus-supply = <&usb_vbus3>;
+				nvmem-cell-names = "rterm", "sel_t", "hs_i";
+				nvmem-cells = <&usb_rterm3>, <&usb_sel_t3>,
+					      <&usb_hs_i2>;
+			};
+
+			usb_ssphy0: ss-phy@300 {
+				compatible = "socionext,uniphier-ld20-usb3-ssphy";
+				reg = <0x300 0x10>;
+				#phy-cells = <0>;
+				clock-names = "link", "phy";
+				clocks = <&sys_clk 14>, <&sys_clk 18>;
+				reset-names = "link", "phy";
+				resets = <&sys_rst 14>, <&sys_rst 18>;
+				vbus-supply = <&usb_vbus0>;
+			};
+
+			usb_ssphy1: ss-phy@310 {
+				compatible = "socionext,uniphier-ld20-usb3-ssphy";
+				reg = <0x310 0x10>;
+				#phy-cells = <0>;
+				clock-names = "link", "phy";
+				clocks = <&sys_clk 14>, <&sys_clk 19>;
+				reset-names = "link", "phy";
+				resets = <&sys_rst 14>, <&sys_rst 19>;
+				vbus-supply = <&usb_vbus1>;
+			};
+		};
+
+		/* FIXME: U-Boot own node */
 		usb: usb@65b00000 {
 			compatible = "socionext,uniphier-ld20-dwc3";
 			reg = <0x65b00000 0x1000>;
@@ -660,7 +899,8 @@
 			interrupts = <0 65 4>;
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_nand>;
-			clocks = <&sys_clk 2>;
+			clock-names = "nand", "nand_x", "ecc";
+			clocks = <&sys_clk 2>, <&sys_clk 3>, <&sys_clk 3>;
 			resets = <&sys_rst 2>;
 		};
 	};
diff --git a/arch/arm/dts/uniphier-ld4.dtsi b/arch/arm/dts/uniphier-ld4.dtsi
index f505f643f7..b73d594b6d 100644
--- a/arch/arm/dts/uniphier-ld4.dtsi
+++ b/arch/arm/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";
@@ -381,7 +392,8 @@
 			interrupts = <0 65 4>;
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_nand2cs>;
-			clocks = <&sys_clk 2>;
+			clock-names = "nand", "nand_x", "ecc";
+			clocks = <&sys_clk 2>, <&sys_clk 3>, <&sys_clk 3>;
 			resets = <&sys_rst 2>;
 		};
 	};
diff --git a/arch/arm/dts/uniphier-pinctrl.dtsi b/arch/arm/dts/uniphier-pinctrl.dtsi
index aeb47b0ffe..1fee5ffbfb 100644
--- a/arch/arm/dts/uniphier-pinctrl.dtsi
+++ b/arch/arm/dts/uniphier-pinctrl.dtsi
@@ -131,6 +131,26 @@
 		function = "sd1";
 	};
 
+	pinctrl_spi0: spi0 {
+		groups = "spi0";
+		function = "spi0";
+	};
+
+	pinctrl_spi1: spi1 {
+		groups = "spi1";
+		function = "spi1";
+	};
+
+	pinctrl_spi2: spi2 {
+		groups = "spi2";
+		function = "spi2";
+	};
+
+	pinctrl_spi3: spi3 {
+		groups = "spi3";
+		function = "spi3";
+	};
+
 	pinctrl_system_bus: system-bus {
 		groups = "system_bus", "system_bus_cs1";
 		function = "system_bus";
diff --git a/arch/arm/dts/uniphier-pro4-ace.dts b/arch/arm/dts/uniphier-pro4-ace.dts
index bff90c256b..ce8ea7b79b 100644
--- a/arch/arm/dts/uniphier-pro4-ace.dts
+++ b/arch/arm/dts/uniphier-pro4-ace.dts
@@ -73,11 +73,11 @@
 	status = "okay";
 };
 
-&usb0 {
+&usb2 {
 	status = "okay";
 };
 
-&usb1 {
+&usb3 {
 	status = "okay";
 };
 
@@ -92,10 +92,10 @@
 	};
 };
 
-&usb2 {
+&usb0 {
 	status = "okay";
 };
 
-&usb3 {
+&usb1 {
 	status = "okay";
 };
diff --git a/arch/arm/dts/uniphier-pro4-sanji.dts b/arch/arm/dts/uniphier-pro4-sanji.dts
index 7f5b957f98..686dd3af7e 100644
--- a/arch/arm/dts/uniphier-pro4-sanji.dts
+++ b/arch/arm/dts/uniphier-pro4-sanji.dts
@@ -68,11 +68,11 @@
 	status = "okay";
 };
 
-&usb0 {
+&usb2 {
 	status = "okay";
 };
 
-&usb1 {
+&usb3 {
 	status = "okay";
 };
 
@@ -87,10 +87,10 @@
 	};
 };
 
-&usb2 {
+&usb0 {
 	status = "okay";
 };
 
-&usb3 {
+&usb1 {
 	status = "okay";
 };
diff --git a/arch/arm/dts/uniphier-pro4.dtsi b/arch/arm/dts/uniphier-pro4.dtsi
index 8974844541..ef342088e1 100644
--- a/arch/arm/dts/uniphier-pro4.dtsi
+++ b/arch/arm/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";
@@ -317,6 +328,8 @@
 				 <&mio_clk 12>;
 			resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 8>,
 				 <&mio_rst 12>;
+			phy-names = "usb";
+			phys = <&usb_phy0>;
 			has-transaction-translator;
 		};
 
@@ -331,6 +344,8 @@
 				 <&mio_clk 13>;
 			resets = <&sys_rst 8>, <&mio_rst 7>, <&mio_rst 9>,
 				 <&mio_rst 13>;
+			phy-names = "usb";
+			phys = <&usb_phy1>;
 			has-transaction-translator;
 		};
 
@@ -342,6 +357,34 @@
 			pinctrl: pinctrl {
 				compatible = "socionext,uniphier-pro4-pinctrl";
 			};
+
+			usb-phy {
+				compatible = "socionext,uniphier-pro4-usb2-phy";
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				usb_phy0: phy@0 {
+					reg = <0>;
+					#phy-cells = <0>;
+				};
+
+				usb_phy1: phy@1 {
+					reg = <1>;
+					#phy-cells = <0>;
+				};
+
+				usb_phy2: phy@2 {
+					reg = <2>;
+					#phy-cells = <0>;
+					vbus-supply = <&usb0_vbus>;
+				};
+
+				usb_phy3: phy@3 {
+					reg = <3>;
+					#phy-cells = <0>;
+					vbus-supply = <&usb1_vbus>;
+				};
+			};
 		};
 
 		soc-glue@5f900000 {
@@ -434,6 +477,60 @@
 			};
 		};
 
+		_usb0: usb@65a00000 {
+			compatible = "socionext,uniphier-dwc3", "snps,dwc3";
+			status = "disabled";
+			reg = <0x65a00000 0xcd00>;
+			interrupt-names = "host", "peripheral";
+			interrupts = <0 134 4>, <0 135 4>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_usb0>;
+			clock-names = "ref", "bus_early", "suspend";
+			clocks = <&sys_clk 12>, <&sys_clk 12>, <&sys_clk 12>;
+			resets = <&usb0_rst 4>;
+			phys = <&usb_phy2>, <&usb0_ssphy>;
+			dr_mode = "host";
+		};
+
+		usb-glue@65b00000 {
+			compatible = "socionext,uniphier-pro4-dwc3-glue",
+				     "simple-mfd";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0 0x65b00000 0x100>;
+
+			usb0_vbus: regulator@0 {
+				compatible = "socionext,uniphier-pro4-usb3-regulator";
+				reg = <0 0x10>;
+				clock-names = "gio", "link";
+				clocks = <&sys_clk 12>, <&sys_clk 14>;
+				reset-names = "gio", "link";
+				resets = <&sys_rst 12>, <&sys_rst 14>;
+			};
+
+			usb0_ssphy: ss-phy@10 {
+				compatible = "socionext,uniphier-pro4-usb3-ssphy";
+				reg = <0x10 0x10>;
+				#phy-cells = <0>;
+				clock-names = "gio", "link";
+				clocks = <&sys_clk 12>, <&sys_clk 14>;
+				reset-names = "gio", "link";
+				resets = <&sys_rst 12>, <&sys_rst 14>;
+				vbus-supply = <&usb0_vbus>;
+			};
+
+			usb0_rst: reset@40 {
+				compatible = "socionext,uniphier-pro4-usb3-reset";
+				reg = <0x40 0x4>;
+				#reset-cells = <1>;
+				clock-names = "gio", "link";
+				clocks = <&sys_clk 12>, <&sys_clk 14>;
+				reset-names = "gio", "link";
+				resets = <&sys_rst 12>, <&sys_rst 14>;
+			};
+		};
+
+		/* FIXME: U-Boot own node */
 		usb0: usb@65b00000 {
 			compatible = "socionext,uniphier-pro4-dwc3";
 			status = "disabled";
@@ -452,6 +549,49 @@
 			};
 		};
 
+		_usb1: usb@65c00000 {
+			compatible = "socionext,uniphier-dwc3", "snps,dwc3";
+			status = "disabled";
+			reg = <0x65c00000 0xcd00>;
+			interrupt-names = "host", "peripheral";
+			interrupts = <0 137 4>, <0 138 4>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_usb1>;
+			clock-names = "ref", "bus_early", "suspend";
+			clocks = <&sys_clk 12>, <&sys_clk 12>, <&sys_clk 12>;
+			resets = <&usb1_rst 4>;
+			phys = <&usb_phy3>;
+			dr_mode = "host";
+		};
+
+		usb-glue@65d00000 {
+			compatible = "socionext,uniphier-pro4-dwc3-glue",
+				     "simple-mfd";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0 0x65d00000 0x100>;
+
+			usb1_vbus: regulator@0 {
+				compatible = "socionext,uniphier-pro4-usb3-regulator";
+				reg = <0 0x10>;
+				clock-names = "gio", "link";
+				clocks = <&sys_clk 12>, <&sys_clk 15>;
+				reset-names = "gio", "link";
+				resets = <&sys_rst 12>, <&sys_rst 15>;
+			};
+
+			usb1_rst: reset@40 {
+				compatible = "socionext,uniphier-pro4-usb3-reset";
+				reg = <0x40 0x4>;
+				#reset-cells = <1>;
+				clock-names = "gio", "link";
+				clocks = <&sys_clk 12>, <&sys_clk 15>;
+				reset-names = "gio", "link";
+				resets = <&sys_rst 12>, <&sys_rst 15>;
+			};
+		};
+
+		/* FIXME: U-Boot own node */
 		usb1: usb@65d00000 {
 			compatible = "socionext,uniphier-pro4-dwc3";
 			status = "disabled";
@@ -478,7 +618,8 @@
 			interrupts = <0 65 4>;
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_nand>;
-			clocks = <&sys_clk 2>;
+			clock-names = "nand", "nand_x", "ecc";
+			clocks = <&sys_clk 2>, <&sys_clk 3>, <&sys_clk 3>;
 			resets = <&sys_rst 2>;
 		};
 	};
diff --git a/arch/arm/dts/uniphier-pro5.dtsi b/arch/arm/dts/uniphier-pro5.dtsi
index 6e0ea7976e..9cad79d086 100644
--- a/arch/arm/dts/uniphier-pro5.dtsi
+++ b/arch/arm/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";
@@ -475,7 +497,8 @@
 			interrupts = <0 65 4>;
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_nand2cs>;
-			clocks = <&sys_clk 2>;
+			clock-names = "nand", "nand_x", "ecc";
+			clocks = <&sys_clk 2>, <&sys_clk 3>, <&sys_clk 3>;
 			resets = <&sys_rst 2>;
 		};
 
diff --git a/arch/arm/dts/uniphier-pxs2.dtsi b/arch/arm/dts/uniphier-pxs2.dtsi
index 63c1c2ce60..fa25ffd97f 100644
--- a/arch/arm/dts/uniphier-pxs2.dtsi
+++ b/arch/arm/dts/uniphier-pxs2.dtsi
@@ -167,6 +167,28 @@
 			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";
@@ -557,6 +579,103 @@
 			};
 		};
 
+		_usb0: usb@65a00000 {
+			compatible = "socionext,uniphier-dwc3", "snps,dwc3";
+			status = "disabled";
+			reg = <0x65a00000 0xcd00>;
+			interrupt-names = "host", "peripheral";
+			interrupts = <0 134 4>, <0 135 4>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_usb0>, <&pinctrl_usb2>;
+			clock-names = "ref", "bus_early", "suspend";
+			clocks = <&sys_clk 14>, <&sys_clk 14>, <&sys_clk 14>;
+			resets = <&usb0_rst 15>;
+			phys = <&usb0_hsphy0>, <&usb0_hsphy1>,
+			       <&usb0_ssphy0>, <&usb0_ssphy1>;
+			dr_mode = "host";
+		};
+
+		usb-glue@65b00000 {
+			compatible = "socionext,uniphier-pxs2-dwc3-glue",
+				     "simple-mfd";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0 0x65b00000 0x400>;
+
+			usb0_rst: reset@0 {
+				compatible = "socionext,uniphier-pxs2-usb3-reset";
+				reg = <0x0 0x4>;
+				#reset-cells = <1>;
+				clock-names = "link";
+				clocks = <&sys_clk 14>;
+				reset-names = "link";
+				resets = <&sys_rst 14>;
+			};
+
+			usb0_vbus0: regulator@100 {
+				compatible = "socionext,uniphier-pxs2-usb3-regulator";
+				reg = <0x100 0x10>;
+				clock-names = "link";
+				clocks = <&sys_clk 14>;
+				reset-names = "link";
+				resets = <&sys_rst 14>;
+			};
+
+			usb0_vbus1: regulator@110 {
+				compatible = "socionext,uniphier-pxs2-usb3-regulator";
+				reg = <0x110 0x10>;
+				clock-names = "link";
+				clocks = <&sys_clk 14>;
+				reset-names = "link";
+				resets = <&sys_rst 14>;
+			};
+
+			usb0_hsphy0: hs-phy@200 {
+				compatible = "socionext,uniphier-pxs2-usb3-hsphy";
+				reg = <0x200 0x10>;
+				#phy-cells = <0>;
+				clock-names = "link", "phy";
+				clocks = <&sys_clk 14>, <&sys_clk 16>;
+				reset-names = "link", "phy";
+				resets = <&sys_rst 14>, <&sys_rst 16>;
+				vbus-supply = <&usb0_vbus0>;
+			};
+
+			usb0_hsphy1: hs-phy@210 {
+				compatible = "socionext,uniphier-pxs2-usb3-hsphy";
+				reg = <0x210 0x10>;
+				#phy-cells = <0>;
+				clock-names = "link", "phy";
+				clocks = <&sys_clk 14>, <&sys_clk 16>;
+				reset-names = "link", "phy";
+				resets = <&sys_rst 14>, <&sys_rst 16>;
+				vbus-supply = <&usb0_vbus1>;
+			};
+
+			usb0_ssphy0: ss-phy@300 {
+				compatible = "socionext,uniphier-pxs2-usb3-ssphy";
+				reg = <0x300 0x10>;
+				#phy-cells = <0>;
+				clock-names = "link", "phy";
+				clocks = <&sys_clk 14>, <&sys_clk 17>;
+				reset-names = "link", "phy";
+				resets = <&sys_rst 14>, <&sys_rst 17>;
+				vbus-supply = <&usb0_vbus0>;
+			};
+
+			usb0_ssphy1: ss-phy@310 {
+				compatible = "socionext,uniphier-pxs2-usb3-ssphy";
+				reg = <0x310 0x10>;
+				#phy-cells = <0>;
+				clock-names = "link", "phy";
+				clocks = <&sys_clk 14>, <&sys_clk 18>;
+				reset-names = "link", "phy";
+				resets = <&sys_rst 14>, <&sys_rst 18>;
+				vbus-supply = <&usb0_vbus1>;
+			};
+		};
+
+		/* FIXME: U-Boot own node */
 		usb0: usb@65b00000 {
 			compatible = "socionext,uniphier-pxs2-dwc3";
 			status = "disabled";
@@ -575,6 +694,91 @@
 			};
 		};
 
+		_usb1: usb@65c00000 {
+			compatible = "socionext,uniphier-dwc3", "snps,dwc3";
+			status = "disabled";
+			reg = <0x65c00000 0xcd00>;
+			interrupt-names = "host", "peripheral";
+			interrupts = <0 137 4>, <0 138 4>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_usb1>, <&pinctrl_usb3>;
+			clock-names = "ref", "bus_early", "suspend";
+			clocks = <&sys_clk 15>, <&sys_clk 15>, <&sys_clk 15>;
+			resets = <&usb1_rst 15>;
+			phys = <&usb1_hsphy0>, <&usb1_hsphy1>, <&usb1_ssphy0>;
+			dr_mode = "host";
+		};
+
+		usb-glue@65d00000 {
+			compatible = "socionext,uniphier-pxs2-dwc3-glue",
+				     "simple-mfd";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0 0x65d00000 0x400>;
+
+			usb1_rst: reset@0 {
+				compatible = "socionext,uniphier-pxs2-usb3-reset";
+				reg = <0x0 0x4>;
+				#reset-cells = <1>;
+				clock-names = "link";
+				clocks = <&sys_clk 15>;
+				reset-names = "link";
+				resets = <&sys_rst 15>;
+			};
+
+			usb1_vbus0: regulator@100 {
+				compatible = "socionext,uniphier-pxs2-usb3-regulator";
+				reg = <0x100 0x10>;
+				clock-names = "link";
+				clocks = <&sys_clk 15>;
+				reset-names = "link";
+				resets = <&sys_rst 15>;
+			};
+
+			usb1_vbus1: regulator@110 {
+				compatible = "socionext,uniphier-pxs2-usb3-regulator";
+				reg = <0x110 0x10>;
+				clock-names = "link";
+				clocks = <&sys_clk 15>;
+				reset-names = "link";
+				resets = <&sys_rst 15>;
+			};
+
+			usb1_hsphy0: hs-phy@200 {
+				compatible = "socionext,uniphier-pxs2-usb3-hsphy";
+				reg = <0x200 0x10>;
+				#phy-cells = <0>;
+				clock-names = "link", "phy";
+				clocks = <&sys_clk 15>, <&sys_clk 20>;
+				reset-names = "link", "phy";
+				resets = <&sys_rst 15>, <&sys_rst 20>;
+				vbus-supply = <&usb1_vbus0>;
+			};
+
+			usb1_hsphy1: hs-phy@210 {
+				compatible = "socionext,uniphier-pxs2-usb3-hsphy";
+				reg = <0x210 0x10>;
+				#phy-cells = <0>;
+				clock-names = "link", "phy";
+				clocks = <&sys_clk 15>, <&sys_clk 20>;
+				reset-names = "link", "phy";
+				resets = <&sys_rst 15>, <&sys_rst 20>;
+				vbus-supply = <&usb1_vbus1>;
+			};
+
+			usb1_ssphy0: ss-phy@300 {
+				compatible = "socionext,uniphier-pxs2-usb3-ssphy";
+				reg = <0x300 0x10>;
+				#phy-cells = <0>;
+				clock-names = "link", "phy";
+				clocks = <&sys_clk 15>, <&sys_clk 21>;
+				reset-names = "link", "phy";
+				resets = <&sys_rst 15>, <&sys_rst 21>;
+				vbus-supply = <&usb1_vbus0>;
+			};
+		};
+
+		/* FIXME: U-Boot own node */
 		usb1: usb@65d00000 {
 			compatible = "socionext,uniphier-pxs2-dwc3";
 			status = "disabled";
@@ -601,7 +805,8 @@
 			interrupts = <0 65 4>;
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_nand2cs>;
-			clocks = <&sys_clk 2>;
+			clock-names = "nand", "nand_x", "ecc";
+			clocks = <&sys_clk 2>, <&sys_clk 3>, <&sys_clk 3>;
 			resets = <&sys_rst 2>;
 		};
 	};
diff --git a/arch/arm/dts/uniphier-pxs3.dtsi b/arch/arm/dts/uniphier-pxs3.dtsi
index daf74531e4..f629c6a862 100644
--- a/arch/arm/dts/uniphier-pxs3.dtsi
+++ b/arch/arm/dts/uniphier-pxs3.dtsi
@@ -144,6 +144,28 @@
 		#size-cells = <1>;
 		ranges = <0 0 0 0xffffffff>;
 
+		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";
@@ -384,6 +406,50 @@
 			efuse@200 {
 				compatible = "socionext,uniphier-efuse";
 				reg = <0x200 0x68>;
+				#address-cells = <1>;
+				#size-cells = <1>;
+
+				/* USB cells */
+				usb_rterm0: trim@54,4 {
+					reg = <0x54 1>;
+					bits = <4 2>;
+				};
+				usb_rterm1: trim@55,4 {
+					reg = <0x55 1>;
+					bits = <4 2>;
+				};
+				usb_rterm2: trim@58,4 {
+					reg = <0x58 1>;
+					bits = <4 2>;
+				};
+				usb_rterm3: trim@59,4 {
+					reg = <0x59 1>;
+					bits = <4 2>;
+				};
+				usb_sel_t0: trim@54,0 {
+					reg = <0x54 1>;
+					bits = <0 4>;
+				};
+				usb_sel_t1: trim@55,0 {
+					reg = <0x55 1>;
+					bits = <0 4>;
+				};
+				usb_sel_t2: trim@58,0 {
+					reg = <0x58 1>;
+					bits = <0 4>;
+				};
+				usb_sel_t3: trim@59,0 {
+					reg = <0x59 1>;
+					bits = <0 4>;
+				};
+				usb_hs_i0: trim@56,0 {
+					reg = <0x56 1>;
+					bits = <0 4>;
+				};
+				usb_hs_i2: trim@5a,0 {
+					reg = <0x5a 1>;
+					bits = <0 4>;
+				};
 			};
 		};
 
@@ -465,6 +531,109 @@
 			};
 		};
 
+		_usb0: usb@65a00000 {
+			compatible = "socionext,uniphier-dwc3", "snps,dwc3";
+			status = "disabled";
+			reg = <0x65a00000 0xcd00>;
+			interrupt-names = "host", "peripheral";
+			interrupts = <0 134 4>, <0 135 4>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_usb0>, <&pinctrl_usb2>;
+			clock-names = "ref", "bus_early", "suspend";
+			clocks = <&sys_clk 12>, <&sys_clk 12>, <&sys_clk 12>;
+			resets = <&usb0_rst 15>;
+			phys = <&usb0_hsphy0>, <&usb0_hsphy1>,
+			       <&usb0_ssphy0>, <&usb0_ssphy1>;
+			dr_mode = "host";
+		};
+
+		usb-glue@65b00000 {
+			compatible = "socionext,uniphier-pxs3-dwc3-glue",
+				     "simple-mfd";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0 0x65b00000 0x400>;
+
+			usb0_rst: reset@0 {
+				compatible = "socionext,uniphier-pxs3-usb3-reset";
+				reg = <0x0 0x4>;
+				#reset-cells = <1>;
+				clock-names = "link";
+				clocks = <&sys_clk 12>;
+				reset-names = "link";
+				resets = <&sys_rst 12>;
+			};
+
+			usb0_vbus0: regulator@100 {
+				compatible = "socionext,uniphier-pxs3-usb3-regulator";
+				reg = <0x100 0x10>;
+				clock-names = "link";
+				clocks = <&sys_clk 12>;
+				reset-names = "link";
+				resets = <&sys_rst 12>;
+			};
+
+			usb0_vbus1: regulator@110 {
+				compatible = "socionext,uniphier-pxs3-usb3-regulator";
+				reg = <0x110 0x10>;
+				clock-names = "link";
+				clocks = <&sys_clk 12>;
+				reset-names = "link";
+				resets = <&sys_rst 12>;
+			};
+
+			usb0_hsphy0: hs-phy@200 {
+				compatible = "socionext,uniphier-pxs3-usb3-hsphy";
+				reg = <0x200 0x10>;
+				#phy-cells = <0>;
+				clock-names = "link", "phy";
+				clocks = <&sys_clk 12>, <&sys_clk 16>;
+				reset-names = "link", "phy";
+				resets = <&sys_rst 12>, <&sys_rst 16>;
+				vbus-supply = <&usb0_vbus0>;
+				nvmem-cell-names = "rterm", "sel_t", "hs_i";
+				nvmem-cells = <&usb_rterm0>, <&usb_sel_t0>,
+					      <&usb_hs_i0>;
+			};
+
+			usb0_hsphy1: hs-phy@210 {
+				compatible = "socionext,uniphier-pxs3-usb3-hsphy";
+				reg = <0x210 0x10>;
+				#phy-cells = <0>;
+				clock-names = "link", "phy";
+				clocks = <&sys_clk 12>, <&sys_clk 16>;
+				reset-names = "link", "phy";
+				resets = <&sys_rst 12>, <&sys_rst 16>;
+				vbus-supply = <&usb0_vbus1>;
+				nvmem-cell-names = "rterm", "sel_t", "hs_i";
+				nvmem-cells = <&usb_rterm1>, <&usb_sel_t1>,
+					      <&usb_hs_i0>;
+			};
+
+			usb0_ssphy0: ss-phy@300 {
+				compatible = "socionext,uniphier-pxs3-usb3-ssphy";
+				reg = <0x300 0x10>;
+				#phy-cells = <0>;
+				clock-names = "link", "phy";
+				clocks = <&sys_clk 12>, <&sys_clk 17>;
+				reset-names = "link", "phy";
+				resets = <&sys_rst 12>, <&sys_rst 17>;
+				vbus-supply = <&usb0_vbus0>;
+			};
+
+			usb0_ssphy1: ss-phy@310 {
+				compatible = "socionext,uniphier-pxs3-usb3-ssphy";
+				reg = <0x310 0x10>;
+				#phy-cells = <0>;
+				clock-names = "link", "phy";
+				clocks = <&sys_clk 12>, <&sys_clk 18>;
+				reset-names = "link", "phy";
+				resets = <&sys_rst 12>, <&sys_rst 18>;
+				vbus-supply = <&usb0_vbus1>;
+			};
+		};
+
+		/* FIXME: U-Boot own node */
 		usb0: usb@65b00000 {
 			compatible = "socionext,uniphier-pxs3-dwc3";
 			status = "disabled";
@@ -483,6 +652,101 @@
 			};
 		};
 
+		_usb1: usb@65c00000 {
+			compatible = "socionext,uniphier-dwc3", "snps,dwc3";
+			status = "disabled";
+			reg = <0x65c00000 0xcd00>;
+			interrupt-names = "host", "peripheral";
+			interrupts = <0 137 4>, <0 138 4>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_usb1>, <&pinctrl_usb3>;
+			clock-names = "ref", "bus_early", "suspend";
+			clocks = <&sys_clk 13>, <&sys_clk 13>, <&sys_clk 13>;
+			resets = <&usb1_rst 15>;
+			phys = <&usb1_hsphy0>, <&usb1_hsphy1>,
+			       <&usb1_ssphy0>;
+			dr_mode = "host";
+		};
+
+		usb-glue@65d00000 {
+			compatible = "socionext,uniphier-pxs3-dwc3-glue",
+				     "simple-mfd";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0 0x65d00000 0x400>;
+
+			usb1_rst: reset@0 {
+				compatible = "socionext,uniphier-pxs3-usb3-reset";
+				reg = <0x0 0x4>;
+				#reset-cells = <1>;
+				clock-names = "link";
+				clocks = <&sys_clk 13>;
+				reset-names = "link";
+				resets = <&sys_rst 13>;
+			};
+
+			usb1_vbus0: regulator@100 {
+				compatible = "socionext,uniphier-pxs3-usb3-regulator";
+				reg = <0x100 0x10>;
+				clock-names = "link";
+				clocks = <&sys_clk 13>;
+				reset-names = "link";
+				resets = <&sys_rst 13>;
+			};
+
+			usb1_vbus1: regulator@110 {
+				compatible = "socionext,uniphier-pxs3-usb3-regulator";
+				reg = <0x110 0x10>;
+				clock-names = "link";
+				clocks = <&sys_clk 13>;
+				reset-names = "link";
+				resets = <&sys_rst 13>;
+			};
+
+			usb1_hsphy0: hs-phy@200 {
+				compatible = "socionext,uniphier-pxs3-usb3-hsphy";
+				reg = <0x200 0x10>;
+				#phy-cells = <0>;
+				clock-names = "link", "phy", "phy-ext";
+				clocks = <&sys_clk 13>, <&sys_clk 20>,
+					 <&sys_clk 14>;
+				reset-names = "link", "phy";
+				resets = <&sys_rst 13>, <&sys_rst 20>;
+				vbus-supply = <&usb1_vbus0>;
+				nvmem-cell-names = "rterm", "sel_t", "hs_i";
+				nvmem-cells = <&usb_rterm2>, <&usb_sel_t2>,
+					      <&usb_hs_i2>;
+			};
+
+			usb1_hsphy1: hs-phy@210 {
+				compatible = "socionext,uniphier-pxs3-usb3-hsphy";
+				reg = <0x210 0x10>;
+				#phy-cells = <0>;
+				clock-names = "link", "phy", "phy-ext";
+				clocks = <&sys_clk 13>, <&sys_clk 20>,
+					 <&sys_clk 14>;
+				reset-names = "link", "phy";
+				resets = <&sys_rst 13>, <&sys_rst 20>;
+				vbus-supply = <&usb1_vbus1>;
+				nvmem-cell-names = "rterm", "sel_t", "hs_i";
+				nvmem-cells = <&usb_rterm3>, <&usb_sel_t3>,
+					      <&usb_hs_i2>;
+			};
+
+			usb1_ssphy0: ss-phy@300 {
+				compatible = "socionext,uniphier-pxs3-usb3-ssphy";
+				reg = <0x300 0x10>;
+				#phy-cells = <0>;
+				clock-names = "link", "phy", "phy-ext";
+				clocks = <&sys_clk 13>, <&sys_clk 21>,
+					 <&sys_clk 14>;
+				reset-names = "link", "phy";
+				resets = <&sys_rst 13>, <&sys_rst 21>;
+				vbus-supply = <&usb1_vbus0>;
+			};
+		};
+
+		/* FIXME: U-Boot own node */
 		usb1: usb@65d00000 {
 			compatible = "socionext,uniphier-pxs3-dwc3";
 			status = "disabled";
@@ -509,7 +773,8 @@
 			interrupts = <0 65 4>;
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_nand>;
-			clocks = <&sys_clk 2>;
+			clock-names = "nand", "nand_x", "ecc";
+			clocks = <&sys_clk 2>, <&sys_clk 3>, <&sys_clk 3>;
 			resets = <&sys_rst 2>;
 		};
 	};
diff --git a/arch/arm/dts/uniphier-sld8.dtsi b/arch/arm/dts/uniphier-sld8.dtsi
index 437265bb73..f7fcf6b459 100644
--- a/arch/arm/dts/uniphier-sld8.dtsi
+++ b/arch/arm/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";
@@ -385,7 +396,8 @@
 			interrupts = <0 65 4>;
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_nand2cs>;
-			clocks = <&sys_clk 2>;
+			clock-names = "nand", "nand_x", "ecc";
+			clocks = <&sys_clk 2>, <&sys_clk 3>, <&sys_clk 3>;
 			resets = <&sys_rst 2>;
 		};
 	};
diff --git a/arch/arm/mach-uniphier/board_late_init.c b/arch/arm/mach-uniphier/board_late_init.c
index 1b871c62ce..972dbe8ae5 100644
--- a/arch/arm/mach-uniphier/board_late_init.c
+++ b/arch/arm/mach-uniphier/board_late_init.c
@@ -66,20 +66,20 @@ int board_late_init(void)
 	switch (uniphier_boot_device_raw()) {
 	case BOOT_DEVICE_MMC1:
 		printf("eMMC Boot");
-		env_set("bootcmd", "run bootcmd_mmc0; run distro_bootcmd");
+		env_set("bootdev", "emmc");
 		break;
 	case BOOT_DEVICE_NAND:
 		printf("NAND Boot");
-		env_set("bootcmd", "run bootcmd_ubifs0; run distro_bootcmd");
+		env_set("bootdev", "nand");
 		nand_denali_wp_disable();
 		break;
 	case BOOT_DEVICE_NOR:
 		printf("NOR Boot");
-		env_set("bootcmd", "run tftpboot; run distro_bootcmd");
+		env_set("bootdev", "nor");
 		break;
 	case BOOT_DEVICE_USB:
 		printf("USB Boot");
-		env_set("bootcmd", "run bootcmd_usb0; run distro_bootcmd");
+		env_set("bootdev", "usb");
 		break;
 	default:
 		printf("Unknown");
diff --git a/configs/uniphier_ld4_sld8_defconfig b/configs/uniphier_ld4_sld8_defconfig
index 6b9e22ac0e..98a0017070 100644
--- a/configs/uniphier_ld4_sld8_defconfig
+++ b/configs/uniphier_ld4_sld8_defconfig
@@ -9,6 +9,7 @@ CONFIG_ARCH_UNIPHIER_LD4_SLD8=y
 CONFIG_MICRO_SUPPORT_CARD=y
 CONFIG_NR_DRAM_BANKS=3
 # CONFIG_ARCH_FIXUP_FDT_MEMORY is not set
+CONFIG_BOOTCOMMAND="run ${bootdev}script; run ${bootdev}boot"
 CONFIG_LOGLEVEL=6
 CONFIG_SPL_NAND_SUPPORT=y
 CONFIG_SPL_NOR_SUPPORT=y
diff --git a/configs/uniphier_v7_defconfig b/configs/uniphier_v7_defconfig
index 4c06f272b1..bba8e180a5 100644
--- a/configs/uniphier_v7_defconfig
+++ b/configs/uniphier_v7_defconfig
@@ -8,6 +8,7 @@ CONFIG_SPL=y
 CONFIG_MICRO_SUPPORT_CARD=y
 CONFIG_NR_DRAM_BANKS=3
 # CONFIG_ARCH_FIXUP_FDT_MEMORY is not set
+CONFIG_BOOTCOMMAND="run ${bootdev}script; run ${bootdev}boot"
 CONFIG_LOGLEVEL=6
 CONFIG_SPL_NAND_SUPPORT=y
 CONFIG_SPL_NOR_SUPPORT=y
diff --git a/configs/uniphier_v8_defconfig b/configs/uniphier_v8_defconfig
index f8f9bdf05c..df6c5119b0 100644
--- a/configs/uniphier_v8_defconfig
+++ b/configs/uniphier_v8_defconfig
@@ -7,6 +7,7 @@ CONFIG_ARCH_UNIPHIER_V8_MULTI=y
 CONFIG_MICRO_SUPPORT_CARD=y
 CONFIG_NR_DRAM_BANKS=3
 # CONFIG_ARCH_FIXUP_FDT_MEMORY is not set
+CONFIG_BOOTCOMMAND="run ${bootdev}script; run ${bootdev}boot"
 CONFIG_LOGLEVEL=6
 CONFIG_CMD_CONFIG=y
 CONFIG_CMD_IMLS=y
diff --git a/drivers/clk/uniphier/clk-uniphier-sys.c b/drivers/clk/uniphier/clk-uniphier-sys.c
index 9e087b6bd2..487b43ebda 100644
--- a/drivers/clk/uniphier/clk-uniphier-sys.c
+++ b/drivers/clk/uniphier/clk-uniphier-sys.c
@@ -6,13 +6,12 @@
 
 #include "clk-uniphier.h"
 
-/* Denali driver requires clk_x rate (clk: 50MHz, clk_x & ecc_clk: 200MHz) */
 #define UNIPHIER_LD4_SYS_CLK_NAND(_id)					\
-	UNIPHIER_CLK_RATE(128, 200000000),				\
+	UNIPHIER_CLK_RATE(128, 50000000),				\
 	UNIPHIER_CLK_GATE((_id), 128, 0x2104, 2)
 
 #define UNIPHIER_LD11_SYS_CLK_NAND(_id)					\
-	UNIPHIER_CLK_RATE(128, 200000000),				\
+	UNIPHIER_CLK_RATE(128, 50000000),				\
 	UNIPHIER_CLK_GATE((_id), 128, 0x210c, 0)
 
 const struct uniphier_clk_data uniphier_pxs2_sys_clk_data[] = {
@@ -20,6 +19,7 @@ const struct uniphier_clk_data uniphier_pxs2_sys_clk_data[] = {
     defined(CONFIG_ARCH_UNIPHIER_PRO4) || defined(CONFIG_ARCH_UNIPHIER_PRO5) ||\
     defined(CONFIG_ARCH_UNIPHIER_PXS2) || defined(CONFIG_ARCH_UNIPHIER_LD6B)
 	UNIPHIER_LD4_SYS_CLK_NAND(2),
+	UNIPHIER_CLK_RATE(3, 200000000),
 	UNIPHIER_CLK_GATE_SIMPLE(6, 0x2104, 12),	/* ether (Pro4, PXs2) */
 	UNIPHIER_CLK_GATE_SIMPLE(7, 0x2104, 5),		/* ether-gb (Pro4) */
 	UNIPHIER_CLK_GATE_SIMPLE(8, 0x2104, 10),	/* stdmac */
@@ -36,6 +36,7 @@ const struct uniphier_clk_data uniphier_pxs2_sys_clk_data[] = {
 const struct uniphier_clk_data uniphier_ld20_sys_clk_data[] = {
 #if defined(CONFIG_ARCH_UNIPHIER_LD11) || defined(CONFIG_ARCH_UNIPHIER_LD20)
 	UNIPHIER_LD11_SYS_CLK_NAND(2),
+	UNIPHIER_CLK_RATE(3, 200000000),
 	UNIPHIER_CLK_GATE_SIMPLE(6, 0x210c, 6),		/* ether */
 	UNIPHIER_CLK_GATE_SIMPLE(8, 0x210c, 8),		/* stdmac */
 	UNIPHIER_CLK_GATE_SIMPLE(14, 0x210c, 14),	/* usb30 (LD20) */
@@ -48,6 +49,7 @@ const struct uniphier_clk_data uniphier_ld20_sys_clk_data[] = {
 const struct uniphier_clk_data uniphier_pxs3_sys_clk_data[] = {
 #if defined(CONFIG_ARCH_UNIPHIER_PXS3)
 	UNIPHIER_LD11_SYS_CLK_NAND(2),
+	UNIPHIER_CLK_RATE(3, 200000000),
 	UNIPHIER_CLK_GATE_SIMPLE(6, 0x210c, 9),		/* ether0 */
 	UNIPHIER_CLK_GATE_SIMPLE(7, 0x210c, 10),	/* ether1 */
 	UNIPHIER_CLK_GATE_SIMPLE(12, 0x210c, 4),	/* usb30 (gio0) */
diff --git a/drivers/mtd/nand/raw/denali.c b/drivers/mtd/nand/raw/denali.c
index d1cac063f4..e0eb1339ec 100644
--- a/drivers/mtd/nand/raw/denali.c
+++ b/drivers/mtd/nand/raw/denali.c
@@ -69,14 +69,6 @@ static int dma_mapping_error(void *dev, dma_addr_t addr)
 #define DENALI_INVALID_BANK	-1
 #define DENALI_NR_BANKS		4
 
-/*
- * The bus interface clock, clk_x, is phase aligned with the core clock.  The
- * clk_x is an integral multiple N of the core clk.  The value N is configured
- * at IP delivery time, and its available value is 4, 5, or 6.  We need to align
- * to the largest value to make it work with any possible configuration.
- */
-#define DENALI_CLK_X_MULT	6
-
 static inline struct denali_nand_info *mtd_to_denali(struct mtd_info *mtd)
 {
 	return container_of(mtd_to_nand(mtd), struct denali_nand_info, nand);
@@ -595,6 +587,12 @@ static int denali_dma_xfer(struct denali_nand_info *denali, void *buf,
 	}
 
 	iowrite32(DMA_ENABLE__FLAG, denali->reg + DMA_ENABLE);
+	/*
+	 * The ->setup_dma() hook kicks DMA by using the data/command
+	 * interface, which belongs to a different AXI port from the
+	 * register interface.  Read back the register to avoid a race.
+	 */
+	ioread32(denali->reg + DMA_ENABLE);
 
 	denali_reset_irq(denali);
 	denali->setup_dma(denali, dma_addr, page, write);
@@ -946,7 +944,7 @@ static int denali_setup_data_interface(struct mtd_info *mtd, int chipnr,
 {
 	struct denali_nand_info *denali = mtd_to_denali(mtd);
 	const struct nand_sdr_timings *timings;
-	unsigned long t_clk;
+	unsigned long t_x, mult_x;
 	int acc_clks, re_2_we, re_2_re, we_2_re, addr_2_data;
 	int rdwr_en_lo, rdwr_en_hi, rdwr_en_lo_hi, cs_setup;
 	int addr_2_data_mask;
@@ -957,15 +955,24 @@ static int denali_setup_data_interface(struct mtd_info *mtd, int chipnr,
 		return PTR_ERR(timings);
 
 	/* clk_x period in picoseconds */
-	t_clk = DIV_ROUND_DOWN_ULL(1000000000000ULL, denali->clk_x_rate);
-	if (!t_clk)
+	t_x = DIV_ROUND_DOWN_ULL(1000000000000ULL, denali->clk_x_rate);
+	if (!t_x)
+		return -EINVAL;
+
+	/*
+	 * The bus interface clock, clk_x, is phase aligned with the core clock.
+	 * The clk_x is an integral multiple N of the core clk.  The value N is
+	 * configured at IP delivery time, and its available value is 4, 5, 6.
+	 */
+	mult_x = DIV_ROUND_CLOSEST_ULL(denali->clk_x_rate, denali->clk_rate);
+	if (mult_x < 4 || mult_x > 6)
 		return -EINVAL;
 
 	if (chipnr == NAND_DATA_IFACE_CHECK_ONLY)
 		return 0;
 
 	/* tREA -> ACC_CLKS */
-	acc_clks = DIV_ROUND_UP(timings->tREA_max, t_clk);
+	acc_clks = DIV_ROUND_UP(timings->tREA_max, t_x);
 	acc_clks = min_t(int, acc_clks, ACC_CLKS__VALUE);
 
 	tmp = ioread32(denali->reg + ACC_CLKS);
@@ -974,7 +981,7 @@ static int denali_setup_data_interface(struct mtd_info *mtd, int chipnr,
 	iowrite32(tmp, denali->reg + ACC_CLKS);
 
 	/* tRWH -> RE_2_WE */
-	re_2_we = DIV_ROUND_UP(timings->tRHW_min, t_clk);
+	re_2_we = DIV_ROUND_UP(timings->tRHW_min, t_x);
 	re_2_we = min_t(int, re_2_we, RE_2_WE__VALUE);
 
 	tmp = ioread32(denali->reg + RE_2_WE);
@@ -983,7 +990,7 @@ static int denali_setup_data_interface(struct mtd_info *mtd, int chipnr,
 	iowrite32(tmp, denali->reg + RE_2_WE);
 
 	/* tRHZ -> RE_2_RE */
-	re_2_re = DIV_ROUND_UP(timings->tRHZ_max, t_clk);
+	re_2_re = DIV_ROUND_UP(timings->tRHZ_max, t_x);
 	re_2_re = min_t(int, re_2_re, RE_2_RE__VALUE);
 
 	tmp = ioread32(denali->reg + RE_2_RE);
@@ -997,8 +1004,7 @@ static int denali_setup_data_interface(struct mtd_info *mtd, int chipnr,
 	 * With WE_2_RE properly set, the Denali controller automatically takes
 	 * care of the delay; the driver need not set NAND_WAIT_TCCS.
 	 */
-	we_2_re = DIV_ROUND_UP(max(timings->tCCS_min, timings->tWHR_min),
-			       t_clk);
+	we_2_re = DIV_ROUND_UP(max(timings->tCCS_min, timings->tWHR_min), t_x);
 	we_2_re = min_t(int, we_2_re, TWHR2_AND_WE_2_RE__WE_2_RE);
 
 	tmp = ioread32(denali->reg + TWHR2_AND_WE_2_RE);
@@ -1013,7 +1019,7 @@ static int denali_setup_data_interface(struct mtd_info *mtd, int chipnr,
 	if (denali->revision < 0x0501)
 		addr_2_data_mask >>= 1;
 
-	addr_2_data = DIV_ROUND_UP(timings->tADL_min, t_clk);
+	addr_2_data = DIV_ROUND_UP(timings->tADL_min, t_x);
 	addr_2_data = min_t(int, addr_2_data, addr_2_data_mask);
 
 	tmp = ioread32(denali->reg + TCWAW_AND_ADDR_2_DATA);
@@ -1023,7 +1029,7 @@ static int denali_setup_data_interface(struct mtd_info *mtd, int chipnr,
 
 	/* tREH, tWH -> RDWR_EN_HI_CNT */
 	rdwr_en_hi = DIV_ROUND_UP(max(timings->tREH_min, timings->tWH_min),
-				  t_clk);
+				  t_x);
 	rdwr_en_hi = min_t(int, rdwr_en_hi, RDWR_EN_HI_CNT__VALUE);
 
 	tmp = ioread32(denali->reg + RDWR_EN_HI_CNT);
@@ -1032,11 +1038,10 @@ static int denali_setup_data_interface(struct mtd_info *mtd, int chipnr,
 	iowrite32(tmp, denali->reg + RDWR_EN_HI_CNT);
 
 	/* tRP, tWP -> RDWR_EN_LO_CNT */
-	rdwr_en_lo = DIV_ROUND_UP(max(timings->tRP_min, timings->tWP_min),
-				  t_clk);
+	rdwr_en_lo = DIV_ROUND_UP(max(timings->tRP_min, timings->tWP_min), t_x);
 	rdwr_en_lo_hi = DIV_ROUND_UP(max(timings->tRC_min, timings->tWC_min),
-				     t_clk);
-	rdwr_en_lo_hi = max(rdwr_en_lo_hi, DENALI_CLK_X_MULT);
+				     t_x);
+	rdwr_en_lo_hi = max_t(int, rdwr_en_lo_hi, mult_x);
 	rdwr_en_lo = max(rdwr_en_lo, rdwr_en_lo_hi - rdwr_en_hi);
 	rdwr_en_lo = min_t(int, rdwr_en_lo, RDWR_EN_LO_CNT__VALUE);
 
@@ -1046,8 +1051,8 @@ static int denali_setup_data_interface(struct mtd_info *mtd, int chipnr,
 	iowrite32(tmp, denali->reg + RDWR_EN_LO_CNT);
 
 	/* tCS, tCEA -> CS_SETUP_CNT */
-	cs_setup = max3((int)DIV_ROUND_UP(timings->tCS_min, t_clk) - rdwr_en_lo,
-			(int)DIV_ROUND_UP(timings->tCEA_max, t_clk) - acc_clks,
+	cs_setup = max3((int)DIV_ROUND_UP(timings->tCS_min, t_x) - rdwr_en_lo,
+			(int)DIV_ROUND_UP(timings->tCEA_max, t_x) - acc_clks,
 			0);
 	cs_setup = min_t(int, cs_setup, CS_SETUP_CNT__VALUE);
 
diff --git a/drivers/mtd/nand/raw/denali.h b/drivers/mtd/nand/raw/denali.h
index 9b797beffa..019deda094 100644
--- a/drivers/mtd/nand/raw/denali.h
+++ b/drivers/mtd/nand/raw/denali.h
@@ -292,6 +292,7 @@ struct udevice;
 
 struct denali_nand_info {
 	struct nand_chip nand;
+	unsigned long clk_rate;		/* core clock rate */
 	unsigned long clk_x_rate;	/* bus interface clock rate */
 	int active_bank;		/* currently selected bank */
 	struct udevice *dev;
diff --git a/drivers/mtd/nand/raw/denali_dt.c b/drivers/mtd/nand/raw/denali_dt.c
index 65a7797f0f..d384b974df 100644
--- a/drivers/mtd/nand/raw/denali_dt.c
+++ b/drivers/mtd/nand/raw/denali_dt.c
@@ -62,7 +62,7 @@ static int denali_dt_probe(struct udevice *dev)
 {
 	struct denali_nand_info *denali = dev_get_priv(dev);
 	const struct denali_dt_data *data;
-	struct clk clk;
+	struct clk clk, clk_x, clk_ecc;
 	struct resource res;
 	int ret;
 
@@ -87,15 +87,49 @@ static int denali_dt_probe(struct udevice *dev)
 
 	denali->host = devm_ioremap(dev, res.start, resource_size(&res));
 
-	ret = clk_get_by_index(dev, 0, &clk);
+	ret = clk_get_by_name(dev, "nand", &clk);
+	if (ret)
+		ret = clk_get_by_index(dev, 0, &clk);
 	if (ret)
 		return ret;
 
+	ret = clk_get_by_name(dev, "nand_x", &clk_x);
+	if (ret)
+		clk_x.dev = NULL;
+
+	ret = clk_get_by_name(dev, "ecc", &clk_ecc);
+	if (ret)
+		clk_ecc.dev = NULL;
+
 	ret = clk_enable(&clk);
 	if (ret)
 		return ret;
 
-	denali->clk_x_rate = clk_get_rate(&clk);
+	if (clk_x.dev) {
+		ret = clk_enable(&clk_x);
+		if (ret)
+			return ret;
+	}
+
+	if (clk_ecc.dev) {
+		ret = clk_enable(&clk_ecc);
+		if (ret)
+			return ret;
+	}
+
+	if (clk_x.dev) {
+		denali->clk_rate = clk_get_rate(&clk);
+		denali->clk_x_rate = clk_get_rate(&clk_x);
+	} else {
+		/*
+		 * Hardcode the clock rates for the backward compatibility.
+		 * This works for both SOCFPGA and UniPhier.
+		 */
+		dev_notice(dev,
+			   "necessary clock is missing. default clock rates are used.\n");
+		denali->clk_rate = 50000000;
+		denali->clk_x_rate = 200000000;
+	}
 
 	return denali_init(denali);
 }
diff --git a/include/configs/uniphier.h b/include/configs/uniphier.h
index 70f8712b60..95d6452553 100644
--- a/include/configs/uniphier.h
+++ b/include/configs/uniphier.h
@@ -124,6 +124,8 @@
 	"third_image=u-boot.bin\0"
 #endif
 
+#define CONFIG_PREBOOT			"env exist ${bootdev}preboot && run ${bootdev}preboot"
+
 #define CONFIG_ROOTPATH			"/nfs/root/path"
 #define CONFIG_NFSBOOTCOMMAND						\
 	"setenv bootargs $bootargs root=/dev/nfs rw "			\
@@ -169,8 +171,32 @@
 #define	CONFIG_EXTRA_ENV_SETTINGS				\
 	"netdev=eth0\0"						\
 	"initrd_high=0xffffffffffffffff\0"			\
+	"script=boot.scr\0" \
 	"scriptaddr=0x85000000\0"				\
 	"nor_base=0x42000000\0"					\
+	"emmcboot=mmcsetn && run bootcmd_mmc${mmc_first_dev}\0" \
+	"nandboot=run bootcmd_ubifs0\0" \
+	"norboot=run tftpboot\0" \
+	"usbboot=run bootcmd_usb0\0" \
+	"emmcscript=setenv devtype mmc && " \
+		"mmcsetn && " \
+		"setenv devnum ${mmc_first_dev} && " \
+		"run loadscript_fat\0" \
+	"nandscript=echo Running ${script} from ubi ... && " \
+		"ubi part UBI && " \
+		"ubifsmount ubi0:boot && " \
+		"ubifsload ${loadaddr} ${script} && " \
+		"source\0" \
+	"norscript=echo Running ${script} from tftp ... && " \
+		"tftpboot ${script} &&" \
+		"source\0" \
+	"usbscript=usb start && " \
+		"setenv devtype usb && " \
+		"setenv devnum 0 && " \
+		"run loadscript_fat\0" \
+	"loadscript_fat=echo Running ${script} from ${devtype}${devnum} ... && " \
+		"load ${devtype} ${devnum}:1 ${loadaddr} ${script} && " \
+		"source\0" \
 	"sramupdate=setexpr tmp_addr $nor_base + 0x50000 &&"	\
 		"tftpboot $tmp_addr $second_image && " \
 		"setexpr tmp_addr $nor_base + 0x70000 && " \
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index bd88483b9f..a85c15d8dc 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -102,6 +102,18 @@
 		(((__x) - ((__d) / 2)) / (__d));	\
 }							\
 )
+/*
+ * Same as above but for u64 dividends. divisor must be a 32-bit
+ * number.
+ */
+#define DIV_ROUND_CLOSEST_ULL(x, divisor)(		\
+{							\
+	typeof(divisor) __d = divisor;			\
+	unsigned long long _tmp = (x) + (__d) / 2;	\
+	do_div(_tmp, __d);				\
+	_tmp;						\
+}							\
+)
 
 /*
  * Multiplies an integer by a fraction, while avoiding unnecessary