diff --git a/arch/arm/dts/uniphier-ld11-global.dts b/arch/arm/dts/uniphier-ld11-global.dts
index 7a650a02486acc0001060f7cc6f40c3780e13cdc..5ffe7dedf72378fe80b735f103ef4c8a2bccfdf8 100644
--- a/arch/arm/dts/uniphier-ld11-global.dts
+++ b/arch/arm/dts/uniphier-ld11-global.dts
@@ -9,7 +9,7 @@
  */
 
 /dts-v1/;
-/include/ "uniphier-ld11.dtsi"
+#include "uniphier-ld11.dtsi"
 
 / {
 	model = "UniPhier LD11 Global Board (REF_LD11_GP)";
@@ -68,3 +68,7 @@
 &usb2 {
 	status = "okay";
 };
+
+&nand {
+	status = "okay";
+};
diff --git a/arch/arm/dts/uniphier-ld11-ref.dts b/arch/arm/dts/uniphier-ld11-ref.dts
index cc8ebe34c27cd35e131e7a05f66a5c5a63dca7e4..ffb473ad2e0fdbad76e43e50ddcaf3eb32f30c72 100644
--- a/arch/arm/dts/uniphier-ld11-ref.dts
+++ b/arch/arm/dts/uniphier-ld11-ref.dts
@@ -8,9 +8,9 @@
  */
 
 /dts-v1/;
-/include/ "uniphier-ld11.dtsi"
-/include/ "uniphier-ref-daughter.dtsi"
-/include/ "uniphier-support-card.dtsi"
+#include "uniphier-ld11.dtsi"
+#include "uniphier-ref-daughter.dtsi"
+#include "uniphier-support-card.dtsi"
 
 / {
 	model = "UniPhier LD11 Reference Board";
diff --git a/arch/arm/dts/uniphier-ld11.dtsi b/arch/arm/dts/uniphier-ld11.dtsi
index 74f8f721a88891378a9992331f2c9adfad4cbdc5..0f172c31db69d531ce5bffeaccbd91427aa44a1b 100644
--- a/arch/arm/dts/uniphier-ld11.dtsi
+++ b/arch/arm/dts/uniphier-ld11.dtsi
@@ -348,9 +348,11 @@
 			};
 		};
 
-		aidet@5fc20000 {
-			compatible = "simple-mfd", "syscon";
+		aidet: aidet@5fc20000 {
+			compatible = "socionext,uniphier-ld11-aidet";
 			reg = <0x5fc20000 0x200>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
 		};
 
 		gic: interrupt-controller@5fe00000 {
@@ -376,6 +378,10 @@
 				compatible = "socionext,uniphier-ld11-reset";
 				#reset-cells = <1>;
 			};
+
+			watchdog {
+				compatible = "socionext,uniphier-wdt";
+			};
 		};
 
 		nand: nand@68000000 {
@@ -387,9 +393,8 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_nand>;
 			clocks = <&sys_clk 2>;
-			nand-ecc-strength = <8>;
 		};
 	};
 };
 
-/include/ "uniphier-pinctrl.dtsi"
+#include "uniphier-pinctrl.dtsi"
diff --git a/arch/arm/dts/uniphier-ld20-global.dts b/arch/arm/dts/uniphier-ld20-global.dts
index 9f620d4101b54fa0a1d2aecee398813598891c41..fc2bc9d75d35e6f410a6f012b461cdcac03d6282 100644
--- a/arch/arm/dts/uniphier-ld20-global.dts
+++ b/arch/arm/dts/uniphier-ld20-global.dts
@@ -9,7 +9,7 @@
  */
 
 /dts-v1/;
-/include/ "uniphier-ld20.dtsi"
+#include "uniphier-ld20.dtsi"
 
 / {
 	model = "UniPhier LD20 Global Board (REF_LD20_GP)";
@@ -50,3 +50,7 @@
 &i2c0 {
 	status = "okay";
 };
+
+&nand {
+	status = "okay";
+};
diff --git a/arch/arm/dts/uniphier-ld20-ref.dts b/arch/arm/dts/uniphier-ld20-ref.dts
index 494166aee24ce3c304045075c1a0938f6fdf43f2..1ca0c8620dc5ac33118a72beb5b586ab8ff0ce2f 100644
--- a/arch/arm/dts/uniphier-ld20-ref.dts
+++ b/arch/arm/dts/uniphier-ld20-ref.dts
@@ -8,9 +8,9 @@
  */
 
 /dts-v1/;
-/include/ "uniphier-ld20.dtsi"
-/include/ "uniphier-ref-daughter.dtsi"
-/include/ "uniphier-support-card.dtsi"
+#include "uniphier-ld20.dtsi"
+#include "uniphier-ref-daughter.dtsi"
+#include "uniphier-support-card.dtsi"
 
 / {
 	model = "UniPhier LD20 Reference Board";
diff --git a/arch/arm/dts/uniphier-ld20.dtsi b/arch/arm/dts/uniphier-ld20.dtsi
index 44257aff35b98af2e50e5b1d29c9812f5759858c..a7fdaa74d1553fa349ca058f31342bcae6f1e5b9 100644
--- a/arch/arm/dts/uniphier-ld20.dtsi
+++ b/arch/arm/dts/uniphier-ld20.dtsi
@@ -313,7 +313,7 @@
 		sdctrl@59810000 {
 			compatible = "socionext,uniphier-ld20-sdctrl",
 				     "simple-mfd", "syscon";
-			reg = <0x59810000 0x800>;
+			reg = <0x59810000 0x400>;
 
 			sd_clk: clock {
 				compatible = "socionext,uniphier-ld20-sd-clock";
@@ -383,9 +383,11 @@
 			};
 		};
 
-		aidet@5fc20000 {
-			compatible = "simple-mfd", "syscon";
+		aidet: aidet@5fc20000 {
+			compatible = "socionext,uniphier-ld20-aidet";
 			reg = <0x5fc20000 0x200>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
 		};
 
 		gic: interrupt-controller@5fe00000 {
@@ -411,6 +413,10 @@
 				compatible = "socionext,uniphier-ld20-reset";
 				#reset-cells = <1>;
 			};
+
+			watchdog {
+				compatible = "socionext,uniphier-wdt";
+			};
 		};
 
 		usb: usb@65b00000 {
@@ -440,9 +446,8 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_nand>;
 			clocks = <&sys_clk 2>;
-			nand-ecc-strength = <8>;
 		};
 	};
 };
 
-/include/ "uniphier-pinctrl.dtsi"
+#include "uniphier-pinctrl.dtsi"
diff --git a/arch/arm/dts/uniphier-ld4-ref.dts b/arch/arm/dts/uniphier-ld4-ref.dts
index 0520e3cff1a54a9f9831553a36d5c660bcf2ce0b..0f50acb24c2c2474f334d18520111bf49ecae7e8 100644
--- a/arch/arm/dts/uniphier-ld4-ref.dts
+++ b/arch/arm/dts/uniphier-ld4-ref.dts
@@ -8,9 +8,9 @@
  */
 
 /dts-v1/;
-/include/ "uniphier-ld4.dtsi"
-/include/ "uniphier-ref-daughter.dtsi"
-/include/ "uniphier-support-card.dtsi"
+#include "uniphier-ld4.dtsi"
+#include "uniphier-ref-daughter.dtsi"
+#include "uniphier-support-card.dtsi"
 
 / {
 	model = "UniPhier LD4 Reference Board";
diff --git a/arch/arm/dts/uniphier-ld4.dtsi b/arch/arm/dts/uniphier-ld4.dtsi
index 18a105a58f9cfae9f232ebe0e1e03b28b70b824b..a3bcf227f4388707109a61f127fbb1c85d117219 100644
--- a/arch/arm/dts/uniphier-ld4.dtsi
+++ b/arch/arm/dts/uniphier-ld4.dtsi
@@ -424,9 +424,11 @@
 			interrupt-controller;
 		};
 
-		aidet@61830000 {
-			compatible = "simple-mfd", "syscon";
+		aidet: aidet@61830000 {
+			compatible = "socionext,uniphier-ld4-aidet";
 			reg = <0x61830000 0x200>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
 		};
 
 		sysctrl@61840000 {
@@ -452,11 +454,10 @@
 			reg = <0x68000000 0x20>, <0x68100000 0x1000>;
 			interrupts = <0 65 4>;
 			pinctrl-names = "default";
-			pinctrl-0 = <&pinctrl_nand>;
+			pinctrl-0 = <&pinctrl_nand2cs>;
 			clocks = <&sys_clk 2>;
-			nand-ecc-strength = <8>;
 		};
 	};
 };
 
-/include/ "uniphier-pinctrl.dtsi"
+#include "uniphier-pinctrl.dtsi"
diff --git a/arch/arm/dts/uniphier-ld6b-ref.dts b/arch/arm/dts/uniphier-ld6b-ref.dts
index b4bb5b546a03f502cd6d26392cb9f2cae9d678d6..bdb7f50ab3a045e105e72baa07ff5c597b48f0a0 100644
--- a/arch/arm/dts/uniphier-ld6b-ref.dts
+++ b/arch/arm/dts/uniphier-ld6b-ref.dts
@@ -8,9 +8,9 @@
  */
 
 /dts-v1/;
-/include/ "uniphier-ld6b.dtsi"
-/include/ "uniphier-ref-daughter.dtsi"
-/include/ "uniphier-support-card.dtsi"
+#include "uniphier-ld6b.dtsi"
+#include "uniphier-ref-daughter.dtsi"
+#include "uniphier-support-card.dtsi"
 
 / {
 	model = "UniPhier LD6b Reference Board";
diff --git a/arch/arm/dts/uniphier-ld6b.dtsi b/arch/arm/dts/uniphier-ld6b.dtsi
index 8b9a79731bd33cf5f75ac03e626de878efed3542..9a7b25cc8233accb08c4720d66cfb792ebfb8bbb 100644
--- a/arch/arm/dts/uniphier-ld6b.dtsi
+++ b/arch/arm/dts/uniphier-ld6b.dtsi
@@ -12,7 +12,7 @@
  * The D-chip (digital chip) is the same as the PXs2 die.
  * Reuse the PXs2 device tree with some properties overridden.
  */
-/include/ "uniphier-pxs2.dtsi"
+#include "uniphier-pxs2.dtsi"
 
 / {
 	compatible = "socionext,uniphier-ld6b";
diff --git a/arch/arm/dts/uniphier-pinctrl.dtsi b/arch/arm/dts/uniphier-pinctrl.dtsi
index f5c1552612596ea43a30275e73776629c55084ae..d5e8aafccbd63df13f2339cc4bc0059cf782d7a4 100644
--- a/arch/arm/dts/uniphier-pinctrl.dtsi
+++ b/arch/arm/dts/uniphier-pinctrl.dtsi
@@ -8,6 +8,11 @@
  */
 
 &pinctrl {
+	pinctrl_aout: aout_grp {
+		groups = "aout";
+		function = "aout";
+	};
+
 	pinctrl_emmc: emmc_grp {
 		groups = "emmc", "emmc_dat8";
 		function = "emmc";
diff --git a/arch/arm/dts/uniphier-pro4-ace.dts b/arch/arm/dts/uniphier-pro4-ace.dts
index 9276f8d913b6cfc5b33f5eea0604824857302c78..8161ba83a0478db1b2d7c30232899ea1a5142899 100644
--- a/arch/arm/dts/uniphier-pro4-ace.dts
+++ b/arch/arm/dts/uniphier-pro4-ace.dts
@@ -8,7 +8,7 @@
  */
 
 /dts-v1/;
-/include/ "uniphier-pro4.dtsi"
+#include "uniphier-pro4.dtsi"
 
 / {
 	model = "UniPhier Pro4 Ace Board";
diff --git a/arch/arm/dts/uniphier-pro4-ref.dts b/arch/arm/dts/uniphier-pro4-ref.dts
index 13e1b3ec882898a9c5f3513e0474588680ef1dcb..360b31d6927a8994a5bd7aac0334daa026245ead 100644
--- a/arch/arm/dts/uniphier-pro4-ref.dts
+++ b/arch/arm/dts/uniphier-pro4-ref.dts
@@ -8,9 +8,9 @@
  */
 
 /dts-v1/;
-/include/ "uniphier-pro4.dtsi"
-/include/ "uniphier-ref-daughter.dtsi"
-/include/ "uniphier-support-card.dtsi"
+#include "uniphier-pro4.dtsi"
+#include "uniphier-ref-daughter.dtsi"
+#include "uniphier-support-card.dtsi"
 
 / {
 	model = "UniPhier Pro4 Reference Board";
diff --git a/arch/arm/dts/uniphier-pro4-sanji.dts b/arch/arm/dts/uniphier-pro4-sanji.dts
index 568dbd5a4ae3421f96e6124002178467e6ff2003..778e2bb4b78dc75a4c0cf1a74b70bfef26992bd5 100644
--- a/arch/arm/dts/uniphier-pro4-sanji.dts
+++ b/arch/arm/dts/uniphier-pro4-sanji.dts
@@ -8,7 +8,7 @@
  */
 
 /dts-v1/;
-/include/ "uniphier-pro4.dtsi"
+#include "uniphier-pro4.dtsi"
 
 / {
 	model = "UniPhier Pro4 Sanji Board";
diff --git a/arch/arm/dts/uniphier-pro4.dtsi b/arch/arm/dts/uniphier-pro4.dtsi
index cbb848207cc1c718ef9d5f54192d0f2393f9bb6b..b45f23ce7c83d7b65294aba3a3e3c463eff49f13 100644
--- a/arch/arm/dts/uniphier-pro4.dtsi
+++ b/arch/arm/dts/uniphier-pro4.dtsi
@@ -531,9 +531,11 @@
 			};
 		};
 
-		aidet@5fc20000 {
-			compatible = "simple-mfd", "syscon";
+		aidet: aidet@5fc20000 {
+			compatible = "socionext,uniphier-pro4-aidet";
 			reg = <0x5fc20000 0x200>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
 		};
 
 		timer@60000200 {
@@ -619,9 +621,8 @@
 			pinctrl-names = "default";
 			pinctrl-0 = <&pinctrl_nand>;
 			clocks = <&sys_clk 2>;
-			nand-ecc-strength = <8>;
 		};
 	};
 };
 
-/include/ "uniphier-pinctrl.dtsi"
+#include "uniphier-pinctrl.dtsi"
diff --git a/arch/arm/dts/uniphier-pro5-4kbox.dts b/arch/arm/dts/uniphier-pro5-4kbox.dts
index d59309000b5a5abde6ccc334615ba1739a736b8e..05597d385edc8a786681b4dac9d8a083cac8469c 100644
--- a/arch/arm/dts/uniphier-pro5-4kbox.dts
+++ b/arch/arm/dts/uniphier-pro5-4kbox.dts
@@ -8,7 +8,7 @@
  */
 
 /dts-v1/;
-/include/ "uniphier-pro5.dtsi"
+#include "uniphier-pro5.dtsi"
 
 / {
 	model = "UniPhier Pro5 4KBOX Board";
@@ -26,7 +26,7 @@
 		i2c6 = &i2c6;
 	};
 
-	memory {
+	memory@80000000 {
 		device_type = "memory";
 		reg = <0x80000000 0x40000000>;
 	};
diff --git a/arch/arm/dts/uniphier-pro5.dtsi b/arch/arm/dts/uniphier-pro5.dtsi
index 498354c45f906d50fc00a7472fa42b428f927ff5..94eb656512961720403a47187eba17c36b5beabb 100644
--- a/arch/arm/dts/uniphier-pro5.dtsi
+++ b/arch/arm/dts/uniphier-pro5.dtsi
@@ -500,7 +500,7 @@
 		sdctrl@59810000 {
 			compatible = "socionext,uniphier-pro5-sdctrl",
 				     "simple-mfd", "syscon";
-			reg = <0x59810000 0x800>;
+			reg = <0x59810000 0x400>;
 			u-boot,dm-pre-reloc;
 
 			sd_clk: clock {
@@ -542,9 +542,11 @@
 			};
 		};
 
-		aidet@5fc20000 {
-			compatible = "simple-mfd", "syscon";
+		aidet: aidet@5fc20000 {
+			compatible = "socionext,uniphier-pro5-aidet";
 			reg = <0x5fc20000 0x200>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
 		};
 
 		timer@60000200 {
@@ -628,9 +630,8 @@
 			reg = <0x68000000 0x20>, <0x68100000 0x1000>;
 			interrupts = <0 65 4>;
 			pinctrl-names = "default";
-			pinctrl-0 = <&pinctrl_nand>;
+			pinctrl-0 = <&pinctrl_nand2cs>;
 			clocks = <&sys_clk 2>;
-			nand-ecc-strength = <8>;
 		};
 
 		emmc: sdhc@68400000 {
@@ -670,4 +671,4 @@
 	};
 };
 
-/include/ "uniphier-pinctrl.dtsi"
+#include "uniphier-pinctrl.dtsi"
diff --git a/arch/arm/dts/uniphier-pxs2-gentil.dts b/arch/arm/dts/uniphier-pxs2-gentil.dts
index 6f691a8b42c8897b69c7e0ec9829db3a055d8872..7f0f972bde4f307c5e19df8173d50181131f88a4 100644
--- a/arch/arm/dts/uniphier-pxs2-gentil.dts
+++ b/arch/arm/dts/uniphier-pxs2-gentil.dts
@@ -8,7 +8,7 @@
  */
 
 /dts-v1/;
-/include/ "uniphier-pxs2.dtsi"
+#include "uniphier-pxs2.dtsi"
 
 / {
 	model = "UniPhier PXs2 Gentil Board";
diff --git a/arch/arm/dts/uniphier-pxs2-vodka.dts b/arch/arm/dts/uniphier-pxs2-vodka.dts
index d13e5f2b6c10c75aa34b6e53967bae6d62da274d..ec9ffb7df8b188540db902a60ec3d40900890d22 100644
--- a/arch/arm/dts/uniphier-pxs2-vodka.dts
+++ b/arch/arm/dts/uniphier-pxs2-vodka.dts
@@ -8,7 +8,7 @@
  */
 
 /dts-v1/;
-/include/ "uniphier-pxs2.dtsi"
+#include "uniphier-pxs2.dtsi"
 
 / {
 	model = "UniPhier PXs2 Vodka Board";
diff --git a/arch/arm/dts/uniphier-pxs2.dtsi b/arch/arm/dts/uniphier-pxs2.dtsi
index 32844f781f5a7719669f1c3e6c15ae4f74be435e..c304d90874f1efd0d5428f34d842513cc829ae74 100644
--- a/arch/arm/dts/uniphier-pxs2.dtsi
+++ b/arch/arm/dts/uniphier-pxs2.dtsi
@@ -477,7 +477,7 @@
 		sdctrl@59810000 {
 			compatible = "socionext,uniphier-pxs2-sdctrl",
 				     "simple-mfd", "syscon";
-			reg = <0x59810000 0x800>;
+			reg = <0x59810000 0x400>;
 			u-boot,dm-pre-reloc;
 
 			sd_clk: clock {
@@ -554,9 +554,11 @@
 			};
 		};
 
-		aidet@5fc20000 {
-			compatible = "simple-mfd", "syscon";
+		aidet: aidet@5fc20000 {
+			compatible = "socionext,uniphier-pxs2-aidet";
 			reg = <0x5fc20000 0x200>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
 		};
 
 		timer@60000200 {
@@ -640,11 +642,10 @@
 			reg = <0x68000000 0x20>, <0x68100000 0x1000>;
 			interrupts = <0 65 4>;
 			pinctrl-names = "default";
-			pinctrl-0 = <&pinctrl_nand>;
+			pinctrl-0 = <&pinctrl_nand2cs>;
 			clocks = <&sys_clk 2>;
-			nand-ecc-strength = <8>;
 		};
 	};
 };
 
-/include/ "uniphier-pinctrl.dtsi"
+#include "uniphier-pinctrl.dtsi"
diff --git a/arch/arm/dts/uniphier-sld8-ref.dts b/arch/arm/dts/uniphier-sld8-ref.dts
index 6ddf2a1b1df7a5e0312537f7957b48c4c1fb8459..3557bb7fed57d839253bef7c20ddfd9a5678f5f6 100644
--- a/arch/arm/dts/uniphier-sld8-ref.dts
+++ b/arch/arm/dts/uniphier-sld8-ref.dts
@@ -8,9 +8,9 @@
  */
 
 /dts-v1/;
-/include/ "uniphier-sld8.dtsi"
-/include/ "uniphier-ref-daughter.dtsi"
-/include/ "uniphier-support-card.dtsi"
+#include "uniphier-sld8.dtsi"
+#include "uniphier-ref-daughter.dtsi"
+#include "uniphier-support-card.dtsi"
 
 / {
 	model = "UniPhier sLD8 Reference Board";
diff --git a/arch/arm/dts/uniphier-sld8.dtsi b/arch/arm/dts/uniphier-sld8.dtsi
index 7d6370f6afe2bac975af5288b3f788d3cd147254..a3de26b40cc9bb9e54ef4b707fd8cdbb490a6750 100644
--- a/arch/arm/dts/uniphier-sld8.dtsi
+++ b/arch/arm/dts/uniphier-sld8.dtsi
@@ -424,9 +424,11 @@
 			interrupt-controller;
 		};
 
-		aidet@61830000 {
-			compatible = "simple-mfd", "syscon";
+		aidet: aidet@61830000 {
+			compatible = "socionext,uniphier-sld8-aidet";
 			reg = <0x61830000 0x200>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
 		};
 
 		sysctrl@61840000 {
@@ -452,11 +454,10 @@
 			reg = <0x68000000 0x20>, <0x68100000 0x1000>;
 			interrupts = <0 65 4>;
 			pinctrl-names = "default";
-			pinctrl-0 = <&pinctrl_nand>;
+			pinctrl-0 = <&pinctrl_nand2cs>;
 			clocks = <&sys_clk 2>;
-			nand-ecc-strength = <8>;
 		};
 	};
 };
 
-/include/ "uniphier-pinctrl.dtsi"
+#include "uniphier-pinctrl.dtsi"