diff --git a/Documentation/devicetree/bindings/arm/altera/socfpga-clk-manager.yaml b/Documentation/devicetree/bindings/arm/altera/socfpga-clk-manager.yaml
index e4131fa42b26..572381306681 100644
--- a/Documentation/devicetree/bindings/arm/altera/socfpga-clk-manager.yaml
+++ b/Documentation/devicetree/bindings/arm/altera/socfpga-clk-manager.yaml
@@ -21,6 +21,8 @@ properties:
 required:
   - compatible
 
+additionalProperties: false
+
 examples:
   - |
     clkmgr@ffd04000 {
diff --git a/Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-gx-ao-secure.yaml b/Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-gx-ao-secure.yaml
index 853d7d2b56f5..66213bd95e6e 100644
--- a/Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-gx-ao-secure.yaml
+++ b/Documentation/devicetree/bindings/arm/amlogic/amlogic,meson-gx-ao-secure.yaml
@@ -43,6 +43,8 @@ required:
   - compatible
   - reg
 
+additionalProperties: false
+
 examples:
   - |
     ao-secure@140 {
diff --git a/Documentation/devicetree/bindings/arm/msm/qcom,llcc.yaml b/Documentation/devicetree/bindings/arm/msm/qcom,llcc.yaml
index 79902f470e4b..c3a8604dfa80 100644
--- a/Documentation/devicetree/bindings/arm/msm/qcom,llcc.yaml
+++ b/Documentation/devicetree/bindings/arm/msm/qcom,llcc.yaml
@@ -43,6 +43,8 @@ required:
   - reg-names
   - interrupts
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/interrupt-controller/arm-gic.h>
diff --git a/Documentation/devicetree/bindings/arm/renesas,prr.yaml b/Documentation/devicetree/bindings/arm/renesas,prr.yaml
index 7f8d17f33983..dd087643a9f8 100644
--- a/Documentation/devicetree/bindings/arm/renesas,prr.yaml
+++ b/Documentation/devicetree/bindings/arm/renesas,prr.yaml
@@ -27,6 +27,8 @@ required:
   - compatible
   - reg
 
+additionalProperties: false
+
 examples:
   - |
     prr: chipid@ff000044 {
diff --git a/Documentation/devicetree/bindings/arm/samsung/exynos-chipid.yaml b/Documentation/devicetree/bindings/arm/samsung/exynos-chipid.yaml
index afcd70803c12..0425d333b50d 100644
--- a/Documentation/devicetree/bindings/arm/samsung/exynos-chipid.yaml
+++ b/Documentation/devicetree/bindings/arm/samsung/exynos-chipid.yaml
@@ -30,6 +30,8 @@ required:
   - compatible
   - reg
 
+additionalProperties: false
+
 examples:
   - |
     chipid@10000000 {
diff --git a/Documentation/devicetree/bindings/arm/samsung/pmu.yaml b/Documentation/devicetree/bindings/arm/samsung/pmu.yaml
index 73b56fc5bf58..c9651892710e 100644
--- a/Documentation/devicetree/bindings/arm/samsung/pmu.yaml
+++ b/Documentation/devicetree/bindings/arm/samsung/pmu.yaml
@@ -89,6 +89,8 @@ required:
   - clock-names
   - clocks
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/clock/exynos5250.h>
diff --git a/Documentation/devicetree/bindings/arm/samsung/samsung-secure-firmware.yaml b/Documentation/devicetree/bindings/arm/samsung/samsung-secure-firmware.yaml
index 51d23b6f8a94..3d9abad3c749 100644
--- a/Documentation/devicetree/bindings/arm/samsung/samsung-secure-firmware.yaml
+++ b/Documentation/devicetree/bindings/arm/samsung/samsung-secure-firmware.yaml
@@ -23,6 +23,8 @@ required:
   - compatible
   - reg
 
+additionalProperties: false
+
 examples:
   - |
     firmware@203f000 {
diff --git a/Documentation/devicetree/bindings/arm/stm32/st,stm32-syscon.yaml b/Documentation/devicetree/bindings/arm/stm32/st,stm32-syscon.yaml
index 0dedf94c8578..baff80197d5a 100644
--- a/Documentation/devicetree/bindings/arm/stm32/st,stm32-syscon.yaml
+++ b/Documentation/devicetree/bindings/arm/stm32/st,stm32-syscon.yaml
@@ -29,6 +29,8 @@ required:
   - reg
   - clocks
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/clock/stm32mp1-clks.h>
diff --git a/Documentation/devicetree/bindings/clock/fsl,plldig.yaml b/Documentation/devicetree/bindings/clock/fsl,plldig.yaml
index d1c040228cf7..a203d5d498db 100644
--- a/Documentation/devicetree/bindings/clock/fsl,plldig.yaml
+++ b/Documentation/devicetree/bindings/clock/fsl,plldig.yaml
@@ -44,6 +44,8 @@ required:
   - clocks
   - '#clock-cells'
 
+additionalProperties: false
+
 examples:
   # Display PIXEL Clock node:
   - |
diff --git a/Documentation/devicetree/bindings/clock/imx8mn-clock.yaml b/Documentation/devicetree/bindings/clock/imx8mn-clock.yaml
index cd0b8a341321..03386b0861a2 100644
--- a/Documentation/devicetree/bindings/clock/imx8mn-clock.yaml
+++ b/Documentation/devicetree/bindings/clock/imx8mn-clock.yaml
@@ -52,6 +52,8 @@ required:
   - clock-names
   - '#clock-cells'
 
+additionalProperties: false
+
 examples:
   # Clock Control Module node:
   - |
diff --git a/Documentation/devicetree/bindings/clock/imx8mp-clock.yaml b/Documentation/devicetree/bindings/clock/imx8mp-clock.yaml
index 89aee63c9019..4351a1dbb4f7 100644
--- a/Documentation/devicetree/bindings/clock/imx8mp-clock.yaml
+++ b/Documentation/devicetree/bindings/clock/imx8mp-clock.yaml
@@ -52,6 +52,8 @@ required:
   - clock-names
   - '#clock-cells'
 
+additionalProperties: false
+
 examples:
   # Clock Control Module node:
   - |
diff --git a/Documentation/devicetree/bindings/clock/milbeaut-clock.yaml b/Documentation/devicetree/bindings/clock/milbeaut-clock.yaml
index f0b804a7f096..0e8b07710451 100644
--- a/Documentation/devicetree/bindings/clock/milbeaut-clock.yaml
+++ b/Documentation/devicetree/bindings/clock/milbeaut-clock.yaml
@@ -35,6 +35,8 @@ required:
   - clocks
   - '#clock-cells'
 
+additionalProperties: false
+
 examples:
   # Clock controller node:
   - |
diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc-apq8064.yaml b/Documentation/devicetree/bindings/clock/qcom,gcc-apq8064.yaml
index 3647007f82ca..eacccc88bbf6 100644
--- a/Documentation/devicetree/bindings/clock/qcom,gcc-apq8064.yaml
+++ b/Documentation/devicetree/bindings/clock/qcom,gcc-apq8064.yaml
@@ -68,6 +68,8 @@ required:
   - nvmem-cell-names
   - '#thermal-sensor-cells'
 
+additionalProperties: false
+
 examples:
   - |
     clock-controller@900000 {
diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc-ipq8074.yaml b/Documentation/devicetree/bindings/clock/qcom,gcc-ipq8074.yaml
index 89c6e070e7ac..98572b4a9b60 100644
--- a/Documentation/devicetree/bindings/clock/qcom,gcc-ipq8074.yaml
+++ b/Documentation/devicetree/bindings/clock/qcom,gcc-ipq8074.yaml
@@ -40,6 +40,8 @@ required:
   - '#clock-cells'
   - '#reset-cells'
 
+additionalProperties: false
+
 examples:
   - |
     clock-controller@1800000 {
diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc-msm8996.yaml b/Documentation/devicetree/bindings/clock/qcom,gcc-msm8996.yaml
index 18e4e77b8cfa..5a5b2214f0ca 100644
--- a/Documentation/devicetree/bindings/clock/qcom,gcc-msm8996.yaml
+++ b/Documentation/devicetree/bindings/clock/qcom,gcc-msm8996.yaml
@@ -56,6 +56,8 @@ required:
   - '#reset-cells'
   - '#power-domain-cells'
 
+additionalProperties: false
+
 examples:
   - |
     clock-controller@300000 {
diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc-msm8998.yaml b/Documentation/devicetree/bindings/clock/qcom,gcc-msm8998.yaml
index 1d3cae980471..a0bb713929b0 100644
--- a/Documentation/devicetree/bindings/clock/qcom,gcc-msm8998.yaml
+++ b/Documentation/devicetree/bindings/clock/qcom,gcc-msm8998.yaml
@@ -66,6 +66,8 @@ required:
   - '#reset-cells'
   - '#power-domain-cells'
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/clock/qcom,rpmcc.h>
diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc-qcs404.yaml b/Documentation/devicetree/bindings/clock/qcom,gcc-qcs404.yaml
index 8cdece395eba..ce06f3f8c3e3 100644
--- a/Documentation/devicetree/bindings/clock/qcom,gcc-qcs404.yaml
+++ b/Documentation/devicetree/bindings/clock/qcom,gcc-qcs404.yaml
@@ -40,6 +40,8 @@ required:
   - '#clock-cells'
   - '#reset-cells'
 
+additionalProperties: false
+
 examples:
   - |
     clock-controller@1800000 {
diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc-sc7180.yaml b/Documentation/devicetree/bindings/clock/qcom,gcc-sc7180.yaml
index ee4f968e2909..a345320e0e49 100644
--- a/Documentation/devicetree/bindings/clock/qcom,gcc-sc7180.yaml
+++ b/Documentation/devicetree/bindings/clock/qcom,gcc-sc7180.yaml
@@ -58,6 +58,8 @@ required:
   - '#reset-cells'
   - '#power-domain-cells'
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/clock/qcom,rpmh.h>
diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc-sm8150.yaml b/Documentation/devicetree/bindings/clock/qcom,gcc-sm8150.yaml
index 888e9a708390..36f3b3668ced 100644
--- a/Documentation/devicetree/bindings/clock/qcom,gcc-sm8150.yaml
+++ b/Documentation/devicetree/bindings/clock/qcom,gcc-sm8150.yaml
@@ -56,6 +56,8 @@ required:
   - '#reset-cells'
   - '#power-domain-cells'
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/clock/qcom,rpmh.h>
diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc.yaml b/Documentation/devicetree/bindings/clock/qcom,gcc.yaml
index d18f8ab9eeee..e533bb0cfd2b 100644
--- a/Documentation/devicetree/bindings/clock/qcom,gcc.yaml
+++ b/Documentation/devicetree/bindings/clock/qcom,gcc.yaml
@@ -74,6 +74,8 @@ required:
   - '#reset-cells'
   - '#power-domain-cells'
 
+additionalProperties: false
+
 examples:
   # Example for GCC for MSM8960:
   - |
diff --git a/Documentation/devicetree/bindings/clock/qcom,mmcc.yaml b/Documentation/devicetree/bindings/clock/qcom,mmcc.yaml
index 85518494ce43..f684fe67db84 100644
--- a/Documentation/devicetree/bindings/clock/qcom,mmcc.yaml
+++ b/Documentation/devicetree/bindings/clock/qcom,mmcc.yaml
@@ -74,6 +74,8 @@ required:
   - '#reset-cells'
   - '#power-domain-cells'
 
+additionalProperties: false
+
 if:
   properties:
     compatible:
diff --git a/Documentation/devicetree/bindings/clock/qcom,msm8998-gpucc.yaml b/Documentation/devicetree/bindings/clock/qcom,msm8998-gpucc.yaml
index 7d853c1a85e5..d747bb58f0a7 100644
--- a/Documentation/devicetree/bindings/clock/qcom,msm8998-gpucc.yaml
+++ b/Documentation/devicetree/bindings/clock/qcom,msm8998-gpucc.yaml
@@ -50,6 +50,8 @@ required:
   - '#reset-cells'
   - '#power-domain-cells'
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/clock/qcom,gcc-msm8998.h>
diff --git a/Documentation/devicetree/bindings/clock/qcom,rpmhcc.yaml b/Documentation/devicetree/bindings/clock/qcom,rpmhcc.yaml
index 2cd158f13bab..c9fd748b4d7c 100644
--- a/Documentation/devicetree/bindings/clock/qcom,rpmhcc.yaml
+++ b/Documentation/devicetree/bindings/clock/qcom,rpmhcc.yaml
@@ -35,6 +35,8 @@ required:
   - compatible
   - '#clock-cells'
 
+additionalProperties: false
+
 examples:
   # Example for GCC for SDM845: The below node should be defined inside
   # &apps_rsc node.
diff --git a/Documentation/devicetree/bindings/clock/qcom,sc7180-dispcc.yaml b/Documentation/devicetree/bindings/clock/qcom,sc7180-dispcc.yaml
index 0429062f1585..58cdfd5924d3 100644
--- a/Documentation/devicetree/bindings/clock/qcom,sc7180-dispcc.yaml
+++ b/Documentation/devicetree/bindings/clock/qcom,sc7180-dispcc.yaml
@@ -58,6 +58,8 @@ required:
   - '#reset-cells'
   - '#power-domain-cells'
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/clock/qcom,gcc-sc7180.h>
diff --git a/Documentation/devicetree/bindings/clock/qcom,sc7180-gpucc.yaml b/Documentation/devicetree/bindings/clock/qcom,sc7180-gpucc.yaml
index 5785192cc4be..8635e35fd3f0 100644
--- a/Documentation/devicetree/bindings/clock/qcom,sc7180-gpucc.yaml
+++ b/Documentation/devicetree/bindings/clock/qcom,sc7180-gpucc.yaml
@@ -52,6 +52,8 @@ required:
   - '#reset-cells'
   - '#power-domain-cells'
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/clock/qcom,gcc-sc7180.h>
diff --git a/Documentation/devicetree/bindings/clock/qcom,sc7180-videocc.yaml b/Documentation/devicetree/bindings/clock/qcom,sc7180-videocc.yaml
index 31df901884ac..0071b9701960 100644
--- a/Documentation/devicetree/bindings/clock/qcom,sc7180-videocc.yaml
+++ b/Documentation/devicetree/bindings/clock/qcom,sc7180-videocc.yaml
@@ -48,6 +48,8 @@ required:
   - '#reset-cells'
   - '#power-domain-cells'
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/clock/qcom,rpmh.h>
diff --git a/Documentation/devicetree/bindings/clock/qcom,sdm845-dispcc.yaml b/Documentation/devicetree/bindings/clock/qcom,sdm845-dispcc.yaml
index 89269ddfbdcd..ad47d747a3e4 100644
--- a/Documentation/devicetree/bindings/clock/qcom,sdm845-dispcc.yaml
+++ b/Documentation/devicetree/bindings/clock/qcom,sdm845-dispcc.yaml
@@ -67,6 +67,8 @@ required:
   - '#reset-cells'
   - '#power-domain-cells'
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/clock/qcom,gcc-sdm845.h>
diff --git a/Documentation/devicetree/bindings/clock/qcom,sdm845-gpucc.yaml b/Documentation/devicetree/bindings/clock/qcom,sdm845-gpucc.yaml
index bac04f1c5d79..7a052ac5dc00 100644
--- a/Documentation/devicetree/bindings/clock/qcom,sdm845-gpucc.yaml
+++ b/Documentation/devicetree/bindings/clock/qcom,sdm845-gpucc.yaml
@@ -52,6 +52,8 @@ required:
   - '#reset-cells'
   - '#power-domain-cells'
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/clock/qcom,gcc-sdm845.h>
diff --git a/Documentation/devicetree/bindings/clock/qcom,sdm845-videocc.yaml b/Documentation/devicetree/bindings/clock/qcom,sdm845-videocc.yaml
index 9d216c0f11d4..2a6a81ab0318 100644
--- a/Documentation/devicetree/bindings/clock/qcom,sdm845-videocc.yaml
+++ b/Documentation/devicetree/bindings/clock/qcom,sdm845-videocc.yaml
@@ -48,6 +48,8 @@ required:
   - '#reset-cells'
   - '#power-domain-cells'
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/clock/qcom,rpmh.h>
diff --git a/Documentation/devicetree/bindings/display/amlogic,meson-vpu.yaml b/Documentation/devicetree/bindings/display/amlogic,meson-vpu.yaml
index d1205a6697a0..d8e573eeb5ec 100644
--- a/Documentation/devicetree/bindings/display/amlogic,meson-vpu.yaml
+++ b/Documentation/devicetree/bindings/display/amlogic,meson-vpu.yaml
@@ -107,6 +107,8 @@ required:
   - "#address-cells"
   - "#size-cells"
 
+additionalProperties: false
+
 examples:
   - |
     vpu: vpu@d0100000 {
diff --git a/Documentation/devicetree/bindings/dma/sifive,fu540-c000-pdma.yaml b/Documentation/devicetree/bindings/dma/sifive,fu540-c000-pdma.yaml
index 2ca3ddbe1ff4..e7f2ad7dab5e 100644
--- a/Documentation/devicetree/bindings/dma/sifive,fu540-c000-pdma.yaml
+++ b/Documentation/devicetree/bindings/dma/sifive,fu540-c000-pdma.yaml
@@ -43,6 +43,8 @@ required:
   - interrupts
   - '#dma-cells'
 
+additionalProperties: false
+
 examples:
   - |
     dma@3000000 {
diff --git a/Documentation/devicetree/bindings/dsp/fsl,dsp.yaml b/Documentation/devicetree/bindings/dsp/fsl,dsp.yaml
index f04870d84542..a5dc070d0ca7 100644
--- a/Documentation/devicetree/bindings/dsp/fsl,dsp.yaml
+++ b/Documentation/devicetree/bindings/dsp/fsl,dsp.yaml
@@ -68,6 +68,8 @@ required:
   - mbox-names
   - memory-region
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/firmware/imx/rsrc.h>
diff --git a/Documentation/devicetree/bindings/eeprom/at24.yaml b/Documentation/devicetree/bindings/eeprom/at24.yaml
index 0f6d8db18d6c..a15787e504f0 100644
--- a/Documentation/devicetree/bindings/eeprom/at24.yaml
+++ b/Documentation/devicetree/bindings/eeprom/at24.yaml
@@ -172,6 +172,8 @@ required:
   - compatible
   - reg
 
+additionalProperties: false
+
 examples:
   - |
     i2c {
diff --git a/Documentation/devicetree/bindings/firmware/intel,ixp4xx-network-processing-engine.yaml b/Documentation/devicetree/bindings/firmware/intel,ixp4xx-network-processing-engine.yaml
index 878a2079ebb6..1bd2870c3a9c 100644
--- a/Documentation/devicetree/bindings/firmware/intel,ixp4xx-network-processing-engine.yaml
+++ b/Documentation/devicetree/bindings/firmware/intel,ixp4xx-network-processing-engine.yaml
@@ -34,9 +34,12 @@ required:
   - compatible
   - reg
 
+additionalProperties: false
+
 examples:
   - |
     npe@c8006000 {
          compatible = "intel,ixp4xx-network-processing-engine";
          reg = <0xc8006000 0x1000>, <0xc8007000 0x1000>, <0xc8008000 0x1000>;
     };
+...
diff --git a/Documentation/devicetree/bindings/gpio/brcm,xgs-iproc-gpio.yaml b/Documentation/devicetree/bindings/gpio/brcm,xgs-iproc-gpio.yaml
index 64e279a4bc10..5f1ed20e43ee 100644
--- a/Documentation/devicetree/bindings/gpio/brcm,xgs-iproc-gpio.yaml
+++ b/Documentation/devicetree/bindings/gpio/brcm,xgs-iproc-gpio.yaml
@@ -47,6 +47,8 @@ required:
   - "#gpio-cells"
   - gpio-controller
 
+additionalProperties: false
+
 dependencies:
   interrupt-controller: [ interrupts ]
 
diff --git a/Documentation/devicetree/bindings/gpio/socionext,uniphier-gpio.yaml b/Documentation/devicetree/bindings/gpio/socionext,uniphier-gpio.yaml
index c58ff9a94f45..1a54db04f29d 100644
--- a/Documentation/devicetree/bindings/gpio/socionext,uniphier-gpio.yaml
+++ b/Documentation/devicetree/bindings/gpio/socionext,uniphier-gpio.yaml
@@ -64,6 +64,8 @@ required:
   - gpio-ranges
   - socionext,interrupt-ranges
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/gpio/gpio.h>
diff --git a/Documentation/devicetree/bindings/gpio/xylon,logicvc-gpio.yaml b/Documentation/devicetree/bindings/gpio/xylon,logicvc-gpio.yaml
index d102888c1be7..a36aec27069c 100644
--- a/Documentation/devicetree/bindings/gpio/xylon,logicvc-gpio.yaml
+++ b/Documentation/devicetree/bindings/gpio/xylon,logicvc-gpio.yaml
@@ -49,6 +49,8 @@ required:
   - "#gpio-cells"
   - gpio-controller
 
+additionalProperties: false
+
 examples:
   - |
     logicvc: logicvc@43c00000 {
diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml b/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml
index 05fd9a404ff7..0b229a7d4a98 100644
--- a/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml
+++ b/Documentation/devicetree/bindings/gpu/arm,mali-bifrost.yaml
@@ -53,6 +53,8 @@ required:
   - interrupt-names
   - clocks
 
+additionalProperties: false
+
 allOf:
   - if:
       properties:
diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-midgard.yaml b/Documentation/devicetree/bindings/gpu/arm,mali-midgard.yaml
index 6819cde050df..0407e45eb8c4 100644
--- a/Documentation/devicetree/bindings/gpu/arm,mali-midgard.yaml
+++ b/Documentation/devicetree/bindings/gpu/arm,mali-midgard.yaml
@@ -94,6 +94,8 @@ required:
   - interrupt-names
   - clocks
 
+additionalProperties: false
+
 allOf:
   - if:
       properties:
diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-utgard.yaml b/Documentation/devicetree/bindings/gpu/arm,mali-utgard.yaml
index afde81be3c29..f5401cc8de4a 100644
--- a/Documentation/devicetree/bindings/gpu/arm,mali-utgard.yaml
+++ b/Documentation/devicetree/bindings/gpu/arm,mali-utgard.yaml
@@ -115,6 +115,8 @@ required:
   - clocks
   - clock-names
 
+additionalProperties: false
+
 allOf:
   - if:
       properties:
diff --git a/Documentation/devicetree/bindings/gpu/samsung-rotator.yaml b/Documentation/devicetree/bindings/gpu/samsung-rotator.yaml
index f4dfa6fc724c..665c6e3b31d3 100644
--- a/Documentation/devicetree/bindings/gpu/samsung-rotator.yaml
+++ b/Documentation/devicetree/bindings/gpu/samsung-rotator.yaml
@@ -36,6 +36,8 @@ required:
   - clocks
   - clock-names
 
+additionalProperties: false
+
 examples:
   - |
     rotator@12810000 {
diff --git a/Documentation/devicetree/bindings/hwmon/adi,adm1177.yaml b/Documentation/devicetree/bindings/hwmon/adi,adm1177.yaml
index 2a9822075b36..154bee851139 100644
--- a/Documentation/devicetree/bindings/hwmon/adi,adm1177.yaml
+++ b/Documentation/devicetree/bindings/hwmon/adi,adm1177.yaml
@@ -47,6 +47,8 @@ required:
   - compatible
   - reg
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/gpio/gpio.h>
diff --git a/Documentation/devicetree/bindings/hwmon/adi,ltc2947.yaml b/Documentation/devicetree/bindings/hwmon/adi,ltc2947.yaml
index 6a742a51e2f9..44a63fffb4be 100644
--- a/Documentation/devicetree/bindings/hwmon/adi,ltc2947.yaml
+++ b/Documentation/devicetree/bindings/hwmon/adi,ltc2947.yaml
@@ -87,6 +87,8 @@ required:
   - reg
 
 
+additionalProperties: false
+
 examples:
   - |
     spi {
diff --git a/Documentation/devicetree/bindings/hwmon/pmbus/ti,ucd90320.yaml b/Documentation/devicetree/bindings/hwmon/pmbus/ti,ucd90320.yaml
index 5d42e1304202..e8feee38c76c 100644
--- a/Documentation/devicetree/bindings/hwmon/pmbus/ti,ucd90320.yaml
+++ b/Documentation/devicetree/bindings/hwmon/pmbus/ti,ucd90320.yaml
@@ -32,6 +32,8 @@ required:
   - compatible
   - reg
 
+additionalProperties: false
+
 examples:
   - |
     i2c {
diff --git a/Documentation/devicetree/bindings/hwmon/ti,tmp513.yaml b/Documentation/devicetree/bindings/hwmon/ti,tmp513.yaml
index 168235ad5d81..3f043e943668 100644
--- a/Documentation/devicetree/bindings/hwmon/ti,tmp513.yaml
+++ b/Documentation/devicetree/bindings/hwmon/ti,tmp513.yaml
@@ -76,6 +76,8 @@ required:
   - compatible
   - reg
 
+additionalProperties: false
+
 examples:
   - |
     i2c {
diff --git a/Documentation/devicetree/bindings/iio/accel/bosch,bma400.yaml b/Documentation/devicetree/bindings/iio/accel/bosch,bma400.yaml
index c1c6d6f223cf..8723a336229e 100644
--- a/Documentation/devicetree/bindings/iio/accel/bosch,bma400.yaml
+++ b/Documentation/devicetree/bindings/iio/accel/bosch,bma400.yaml
@@ -36,6 +36,8 @@ required:
   - compatible
   - reg
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/gpio/gpio.h>
diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7780.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7780.yaml
index 9acde6d2e2d9..a67ba67dab51 100644
--- a/Documentation/devicetree/bindings/iio/adc/adi,ad7780.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7780.yaml
@@ -67,6 +67,8 @@ required:
   - compatible
   - reg
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/gpio/gpio.h>
diff --git a/Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml b/Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml
index 91ab9c842273..77605f17901c 100644
--- a/Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/avia-hx711.yaml
@@ -53,6 +53,8 @@ required:
   - dout-gpios
   - avdd-supply
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/gpio/gpio.h>
diff --git a/Documentation/devicetree/bindings/iio/adc/lltc,ltc2496.yaml b/Documentation/devicetree/bindings/iio/adc/lltc,ltc2496.yaml
index 59009997dca0..118809a03279 100644
--- a/Documentation/devicetree/bindings/iio/adc/lltc,ltc2496.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/lltc,ltc2496.yaml
@@ -32,6 +32,8 @@ required:
   - vref-supply
   - reg
 
+additionalProperties: false
+
 examples:
   - |
     spi {
diff --git a/Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml b/Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml
index 0ce290473fb0..8ffeceb6abae 100644
--- a/Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/microchip,mcp3911.yaml
@@ -52,6 +52,8 @@ required:
   - compatible
   - reg
 
+additionalProperties: false
+
 examples:
   - |
     spi {
diff --git a/Documentation/devicetree/bindings/iio/adc/st,stm32-dfsdm-adc.yaml b/Documentation/devicetree/bindings/iio/adc/st,stm32-dfsdm-adc.yaml
index acf36eef728b..b1627441a0b2 100644
--- a/Documentation/devicetree/bindings/iio/adc/st,stm32-dfsdm-adc.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/st,stm32-dfsdm-adc.yaml
@@ -69,6 +69,8 @@ required:
   - "#address-cells"
   - "#size-cells"
 
+additionalProperties: false
+
 patternProperties:
   "^filter@[0-9]+$":
     type: object
diff --git a/Documentation/devicetree/bindings/iio/chemical/plantower,pms7003.yaml b/Documentation/devicetree/bindings/iio/chemical/plantower,pms7003.yaml
index 19e53930ebf6..1fe561574019 100644
--- a/Documentation/devicetree/bindings/iio/chemical/plantower,pms7003.yaml
+++ b/Documentation/devicetree/bindings/iio/chemical/plantower,pms7003.yaml
@@ -38,6 +38,8 @@ required:
   - compatible
   - vcc-supply
 
+additionalProperties: false
+
 examples:
   - |
     serial {
diff --git a/Documentation/devicetree/bindings/iio/chemical/sensirion,sps30.yaml b/Documentation/devicetree/bindings/iio/chemical/sensirion,sps30.yaml
index 50a50a0d7070..a93d1972a5c2 100644
--- a/Documentation/devicetree/bindings/iio/chemical/sensirion,sps30.yaml
+++ b/Documentation/devicetree/bindings/iio/chemical/sensirion,sps30.yaml
@@ -24,6 +24,8 @@ required:
   - compatible
   - reg
 
+additionalProperties: false
+
 examples:
   - |
     i2c {
diff --git a/Documentation/devicetree/bindings/iio/dac/lltc,ltc1660.yaml b/Documentation/devicetree/bindings/iio/dac/lltc,ltc1660.yaml
index a285eaba7125..e51a585bd5a3 100644
--- a/Documentation/devicetree/bindings/iio/dac/lltc,ltc1660.yaml
+++ b/Documentation/devicetree/bindings/iio/dac/lltc,ltc1660.yaml
@@ -34,6 +34,8 @@ required:
   - reg
   - vref-supply
 
+additionalProperties: false
+
 examples:
   - |
     spi {
diff --git a/Documentation/devicetree/bindings/iio/light/adux1020.yaml b/Documentation/devicetree/bindings/iio/light/adux1020.yaml
index 69bd5c06319d..d7d14f2f1c20 100644
--- a/Documentation/devicetree/bindings/iio/light/adux1020.yaml
+++ b/Documentation/devicetree/bindings/iio/light/adux1020.yaml
@@ -28,6 +28,8 @@ required:
   - compatible
   - reg
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/interrupt-controller/irq.h>
diff --git a/Documentation/devicetree/bindings/iio/light/bh1750.yaml b/Documentation/devicetree/bindings/iio/light/bh1750.yaml
index 1cc60d7ecfa0..1a88b3c253d5 100644
--- a/Documentation/devicetree/bindings/iio/light/bh1750.yaml
+++ b/Documentation/devicetree/bindings/iio/light/bh1750.yaml
@@ -28,6 +28,8 @@ required:
   - compatible
   - reg
 
+additionalProperties: false
+
 examples:
   - |
     i2c {
diff --git a/Documentation/devicetree/bindings/iio/light/isl29018.yaml b/Documentation/devicetree/bindings/iio/light/isl29018.yaml
index cbb00be8f359..0ea278b07d1c 100644
--- a/Documentation/devicetree/bindings/iio/light/isl29018.yaml
+++ b/Documentation/devicetree/bindings/iio/light/isl29018.yaml
@@ -38,6 +38,8 @@ required:
   - compatible
   - reg
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/interrupt-controller/irq.h>
diff --git a/Documentation/devicetree/bindings/iio/light/noa1305.yaml b/Documentation/devicetree/bindings/iio/light/noa1305.yaml
index 17e7f140b69b..fe7bfe1adbda 100644
--- a/Documentation/devicetree/bindings/iio/light/noa1305.yaml
+++ b/Documentation/devicetree/bindings/iio/light/noa1305.yaml
@@ -29,6 +29,8 @@ required:
   - compatible
   - reg
 
+additionalProperties: false
+
 examples:
   - |
     i2c {
diff --git a/Documentation/devicetree/bindings/iio/light/stk33xx.yaml b/Documentation/devicetree/bindings/iio/light/stk33xx.yaml
index aae8a6d627c9..f92bf7b2b7f0 100644
--- a/Documentation/devicetree/bindings/iio/light/stk33xx.yaml
+++ b/Documentation/devicetree/bindings/iio/light/stk33xx.yaml
@@ -30,6 +30,8 @@ required:
   - compatible
   - reg
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/interrupt-controller/irq.h>
diff --git a/Documentation/devicetree/bindings/iio/light/tsl2583.yaml b/Documentation/devicetree/bindings/iio/light/tsl2583.yaml
index e86ef64ecf03..7b92ba8cbb9f 100644
--- a/Documentation/devicetree/bindings/iio/light/tsl2583.yaml
+++ b/Documentation/devicetree/bindings/iio/light/tsl2583.yaml
@@ -32,6 +32,8 @@ required:
   - compatible
   - reg
 
+additionalProperties: false
+
 examples:
   - |
     i2c {
diff --git a/Documentation/devicetree/bindings/iio/light/tsl2772.yaml b/Documentation/devicetree/bindings/iio/light/tsl2772.yaml
index ed2c3d5eadf5..e8f7d1ada57b 100644
--- a/Documentation/devicetree/bindings/iio/light/tsl2772.yaml
+++ b/Documentation/devicetree/bindings/iio/light/tsl2772.yaml
@@ -62,6 +62,8 @@ required:
   - compatible
   - reg
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/interrupt-controller/irq.h>
diff --git a/Documentation/devicetree/bindings/iio/light/veml6030.yaml b/Documentation/devicetree/bindings/iio/light/veml6030.yaml
index 0ff9b11f9d18..fb19a2d7a849 100644
--- a/Documentation/devicetree/bindings/iio/light/veml6030.yaml
+++ b/Documentation/devicetree/bindings/iio/light/veml6030.yaml
@@ -45,6 +45,8 @@ required:
   - compatible
   - reg
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/interrupt-controller/irq.h>
diff --git a/Documentation/devicetree/bindings/iio/pressure/asc,dlhl60d.yaml b/Documentation/devicetree/bindings/iio/pressure/asc,dlhl60d.yaml
index 9f5ca9c42025..64c18f1693f0 100644
--- a/Documentation/devicetree/bindings/iio/pressure/asc,dlhl60d.yaml
+++ b/Documentation/devicetree/bindings/iio/pressure/asc,dlhl60d.yaml
@@ -33,6 +33,8 @@ required:
   - compatible
   - reg
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/interrupt-controller/irq.h>
diff --git a/Documentation/devicetree/bindings/iio/pressure/bmp085.yaml b/Documentation/devicetree/bindings/iio/pressure/bmp085.yaml
index 5d4aec0e0d24..49257f9251e8 100644
--- a/Documentation/devicetree/bindings/iio/pressure/bmp085.yaml
+++ b/Documentation/devicetree/bindings/iio/pressure/bmp085.yaml
@@ -52,6 +52,8 @@ required:
   - vddd-supply
   - vdda-supply
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/gpio/gpio.h>
diff --git a/Documentation/devicetree/bindings/iio/proximity/devantech-srf04.yaml b/Documentation/devicetree/bindings/iio/proximity/devantech-srf04.yaml
index 4e80ea7c1475..7ac5eb7560e0 100644
--- a/Documentation/devicetree/bindings/iio/proximity/devantech-srf04.yaml
+++ b/Documentation/devicetree/bindings/iio/proximity/devantech-srf04.yaml
@@ -56,6 +56,8 @@ required:
   - trig-gpios
   - echo-gpios
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/gpio/gpio.h>
diff --git a/Documentation/devicetree/bindings/iio/proximity/parallax-ping.yaml b/Documentation/devicetree/bindings/iio/proximity/parallax-ping.yaml
index a079c9921af6..ada55f186f3c 100644
--- a/Documentation/devicetree/bindings/iio/proximity/parallax-ping.yaml
+++ b/Documentation/devicetree/bindings/iio/proximity/parallax-ping.yaml
@@ -42,6 +42,8 @@ required:
   - compatible
   - ping-gpios
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/gpio/gpio.h>
diff --git a/Documentation/devicetree/bindings/iio/temperature/adi,ltc2983.yaml b/Documentation/devicetree/bindings/iio/temperature/adi,ltc2983.yaml
index d4922f9f0376..acc030c1b20e 100644
--- a/Documentation/devicetree/bindings/iio/temperature/adi,ltc2983.yaml
+++ b/Documentation/devicetree/bindings/iio/temperature/adi,ltc2983.yaml
@@ -398,6 +398,8 @@ required:
   - reg
   - interrupts
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/interrupt-controller/irq.h>
diff --git a/Documentation/devicetree/bindings/input/gpio-vibrator.yaml b/Documentation/devicetree/bindings/input/gpio-vibrator.yaml
index b98bf9363c8f..2384465eaa19 100644
--- a/Documentation/devicetree/bindings/input/gpio-vibrator.yaml
+++ b/Documentation/devicetree/bindings/input/gpio-vibrator.yaml
@@ -26,6 +26,8 @@ required:
   - compatible
   - enable-gpios
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/gpio/gpio.h>
diff --git a/Documentation/devicetree/bindings/input/max77650-onkey.yaml b/Documentation/devicetree/bindings/input/max77650-onkey.yaml
index 2f2e0b6ebbbd..3a2ad6ec64db 100644
--- a/Documentation/devicetree/bindings/input/max77650-onkey.yaml
+++ b/Documentation/devicetree/bindings/input/max77650-onkey.yaml
@@ -33,3 +33,6 @@ properties:
 
 required:
   - compatible
+additionalProperties: false
+
+...
diff --git a/Documentation/devicetree/bindings/interrupt-controller/intel,ixp4xx-interrupt.yaml b/Documentation/devicetree/bindings/interrupt-controller/intel,ixp4xx-interrupt.yaml
index 507c141ea760..ccc507f384d2 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/intel,ixp4xx-interrupt.yaml
+++ b/Documentation/devicetree/bindings/interrupt-controller/intel,ixp4xx-interrupt.yaml
@@ -44,6 +44,8 @@ required:
   - interrupt-controller
   - '#interrupt-cells'
 
+additionalProperties: false
+
 examples:
   - |
     intcon: interrupt-controller@c8003000 {
diff --git a/Documentation/devicetree/bindings/iommu/samsung,sysmmu.yaml b/Documentation/devicetree/bindings/iommu/samsung,sysmmu.yaml
index 7cdd3aaa2ba4..0e33cd9e010e 100644
--- a/Documentation/devicetree/bindings/iommu/samsung,sysmmu.yaml
+++ b/Documentation/devicetree/bindings/iommu/samsung,sysmmu.yaml
@@ -80,6 +80,8 @@ required:
   - clock-names
   - "#iommu-cells"
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/clock/exynos5250.h>
diff --git a/Documentation/devicetree/bindings/leds/leds-max77650.yaml b/Documentation/devicetree/bindings/leds/leds-max77650.yaml
index 8c43f1e1bf7d..c6f96cabd4d1 100644
--- a/Documentation/devicetree/bindings/leds/leds-max77650.yaml
+++ b/Documentation/devicetree/bindings/leds/leds-max77650.yaml
@@ -49,3 +49,6 @@ required:
   - compatible
   - "#address-cells"
   - "#size-cells"
+additionalProperties: false
+
+...
diff --git a/Documentation/devicetree/bindings/leds/rohm,bd71828-leds.yaml b/Documentation/devicetree/bindings/leds/rohm,bd71828-leds.yaml
index b50f4bcc98f1..90edf9d33b33 100644
--- a/Documentation/devicetree/bindings/leds/rohm,bd71828-leds.yaml
+++ b/Documentation/devicetree/bindings/leds/rohm,bd71828-leds.yaml
@@ -50,3 +50,6 @@ patternProperties:
 
 required:
   - compatible
+additionalProperties: false
+
+...
diff --git a/Documentation/devicetree/bindings/mailbox/amlogic,meson-gxbb-mhu.yaml b/Documentation/devicetree/bindings/mailbox/amlogic,meson-gxbb-mhu.yaml
index 319280563648..aa2b3bf56b57 100644
--- a/Documentation/devicetree/bindings/mailbox/amlogic,meson-gxbb-mhu.yaml
+++ b/Documentation/devicetree/bindings/mailbox/amlogic,meson-gxbb-mhu.yaml
@@ -41,6 +41,8 @@ required:
   - interrupts
   - "#mbox-cells"
 
+additionalProperties: false
+
 examples:
   - |
     mailbox@c883c404 {
diff --git a/Documentation/devicetree/bindings/media/amlogic,gx-vdec.yaml b/Documentation/devicetree/bindings/media/amlogic,gx-vdec.yaml
index 335717e15970..37d77e065491 100644
--- a/Documentation/devicetree/bindings/media/amlogic,gx-vdec.yaml
+++ b/Documentation/devicetree/bindings/media/amlogic,gx-vdec.yaml
@@ -124,6 +124,8 @@ required:
   - amlogic,ao-sysctrl
   - amlogic,canvas
 
+additionalProperties: false
+
 examples:
   - |
     vdec: video-decoder@c8820000 {
diff --git a/Documentation/devicetree/bindings/media/amlogic,meson-gx-ao-cec.yaml b/Documentation/devicetree/bindings/media/amlogic,meson-gx-ao-cec.yaml
index e8ce37fcbfec..95ffa8bc0533 100644
--- a/Documentation/devicetree/bindings/media/amlogic,meson-gx-ao-cec.yaml
+++ b/Documentation/devicetree/bindings/media/amlogic,meson-gx-ao-cec.yaml
@@ -82,6 +82,8 @@ required:
   - clocks
   - clock-names
 
+additionalProperties: false
+
 examples:
   - |
     cec_AO: cec@100 {
diff --git a/Documentation/devicetree/bindings/media/renesas,ceu.yaml b/Documentation/devicetree/bindings/media/renesas,ceu.yaml
index 8e9251a0f9ef..fcb5f13704a5 100644
--- a/Documentation/devicetree/bindings/media/renesas,ceu.yaml
+++ b/Documentation/devicetree/bindings/media/renesas,ceu.yaml
@@ -59,6 +59,8 @@ required:
   - interrupts
   - port
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/interrupt-controller/arm-gic.h>
diff --git a/Documentation/devicetree/bindings/mfd/max77650.yaml b/Documentation/devicetree/bindings/mfd/max77650.yaml
index 480385789394..b0a0f0d3d9d4 100644
--- a/Documentation/devicetree/bindings/mfd/max77650.yaml
+++ b/Documentation/devicetree/bindings/mfd/max77650.yaml
@@ -73,6 +73,8 @@ required:
   - gpio-controller
   - "#gpio-cells"
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/interrupt-controller/irq.h>
diff --git a/Documentation/devicetree/bindings/mfd/rohm,bd71828-pmic.yaml b/Documentation/devicetree/bindings/mfd/rohm,bd71828-pmic.yaml
index 38dc4f8b0ceb..3a6a1a26e2b3 100644
--- a/Documentation/devicetree/bindings/mfd/rohm,bd71828-pmic.yaml
+++ b/Documentation/devicetree/bindings/mfd/rohm,bd71828-pmic.yaml
@@ -77,6 +77,8 @@ required:
   - gpio-controller
   - "#gpio-cells"
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/interrupt-controller/irq.h>
diff --git a/Documentation/devicetree/bindings/misc/intel,ixp4xx-ahb-queue-manager.yaml b/Documentation/devicetree/bindings/misc/intel,ixp4xx-ahb-queue-manager.yaml
index 0ea21a6f70b4..38ab0499102d 100644
--- a/Documentation/devicetree/bindings/misc/intel,ixp4xx-ahb-queue-manager.yaml
+++ b/Documentation/devicetree/bindings/misc/intel,ixp4xx-ahb-queue-manager.yaml
@@ -38,6 +38,8 @@ required:
   - reg
   - interrupts
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/interrupt-controller/irq.h>
diff --git a/Documentation/devicetree/bindings/net/ti,cpsw-switch.yaml b/Documentation/devicetree/bindings/net/ti,cpsw-switch.yaml
index b9e9696da5be..976f139bb66e 100644
--- a/Documentation/devicetree/bindings/net/ti,cpsw-switch.yaml
+++ b/Documentation/devicetree/bindings/net/ti,cpsw-switch.yaml
@@ -167,6 +167,8 @@ required:
   - '#address-cells'
   - '#size-cells'
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/interrupt-controller/irq.h>
diff --git a/Documentation/devicetree/bindings/phy/allwinner,sun50i-h6-usb3-phy.yaml b/Documentation/devicetree/bindings/phy/allwinner,sun50i-h6-usb3-phy.yaml
index e5922b427342..c03b83103e87 100644
--- a/Documentation/devicetree/bindings/phy/allwinner,sun50i-h6-usb3-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/allwinner,sun50i-h6-usb3-phy.yaml
@@ -34,6 +34,8 @@ required:
   - resets
   - "#phy-cells"
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/clock/sun50i-h6-ccu.h>
diff --git a/Documentation/devicetree/bindings/phy/amlogic,meson-g12a-usb3-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/amlogic,meson-g12a-usb3-pcie-phy.yaml
index 346f9c35427c..453c083cf44c 100644
--- a/Documentation/devicetree/bindings/phy/amlogic,meson-g12a-usb3-pcie-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/amlogic,meson-g12a-usb3-pcie-phy.yaml
@@ -44,6 +44,8 @@ required:
   - reset-names
   - "#phy-cells"
 
+additionalProperties: false
+
 examples:
   - |
     phy@46000 {
diff --git a/Documentation/devicetree/bindings/phy/intel,lgm-emmc-phy.yaml b/Documentation/devicetree/bindings/phy/intel,lgm-emmc-phy.yaml
index 0ccee64c6962..9a346d6290d9 100644
--- a/Documentation/devicetree/bindings/phy/intel,lgm-emmc-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/intel,lgm-emmc-phy.yaml
@@ -40,6 +40,8 @@ required:
   - reg
   - clocks
 
+additionalProperties: false
+
 examples:
   - |
     sysconf: chiptop@e0200000 {
diff --git a/Documentation/devicetree/bindings/phy/marvell,mmp3-hsic-phy.yaml b/Documentation/devicetree/bindings/phy/marvell,mmp3-hsic-phy.yaml
index 5ab436189f3b..00609ace677c 100644
--- a/Documentation/devicetree/bindings/phy/marvell,mmp3-hsic-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/marvell,mmp3-hsic-phy.yaml
@@ -31,6 +31,8 @@ required:
   - reset-gpios
   - "#phy-cells"
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/gpio/gpio.h>
diff --git a/Documentation/devicetree/bindings/phy/ti,phy-j721e-wiz.yaml b/Documentation/devicetree/bindings/phy/ti,phy-j721e-wiz.yaml
index 452cee1aed32..fd1982c56104 100644
--- a/Documentation/devicetree/bindings/phy/ti,phy-j721e-wiz.yaml
+++ b/Documentation/devicetree/bindings/phy/ti,phy-j721e-wiz.yaml
@@ -159,6 +159,8 @@ required:
   - "#reset-cells"
   - ranges
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/soc/ti,sci_pm_domain.h>
diff --git a/Documentation/devicetree/bindings/pinctrl/aspeed,ast2400-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/aspeed,ast2400-pinctrl.yaml
index 135c7dfbc180..7651a675ab2d 100644
--- a/Documentation/devicetree/bindings/pinctrl/aspeed,ast2400-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/aspeed,ast2400-pinctrl.yaml
@@ -57,6 +57,8 @@ patternProperties:
 required:
   - compatible
 
+additionalProperties: false
+
 examples:
   - |
     syscon: scu@1e6e2000 {
diff --git a/Documentation/devicetree/bindings/pinctrl/aspeed,ast2500-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/aspeed,ast2500-pinctrl.yaml
index 824f7fd1d51b..36feaf5e2dff 100644
--- a/Documentation/devicetree/bindings/pinctrl/aspeed,ast2500-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/aspeed,ast2500-pinctrl.yaml
@@ -70,6 +70,8 @@ required:
   - compatible
   - aspeed,external-nodes
 
+additionalProperties: false
+
 examples:
   - |
     apb {
diff --git a/Documentation/devicetree/bindings/pinctrl/aspeed,ast2600-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/aspeed,ast2600-pinctrl.yaml
index ac8d1c30a8ed..45af29bc3202 100644
--- a/Documentation/devicetree/bindings/pinctrl/aspeed,ast2600-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/aspeed,ast2600-pinctrl.yaml
@@ -92,6 +92,8 @@ patternProperties:
 required:
   - compatible
 
+additionalProperties: false
+
 examples:
   - |
     syscon: scu@1e6e2000 {
diff --git a/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml
index ef4de32cb17c..46a0478cb924 100644
--- a/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/st,stm32-pinctrl.yaml
@@ -194,6 +194,8 @@ required:
   - ranges
   - pins-are-numbered
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/pinctrl/stm32-pinfunc.h>
diff --git a/Documentation/devicetree/bindings/power/amlogic,meson-ee-pwrc.yaml b/Documentation/devicetree/bindings/power/amlogic,meson-ee-pwrc.yaml
index d3098c924b25..6c6079fe1351 100644
--- a/Documentation/devicetree/bindings/power/amlogic,meson-ee-pwrc.yaml
+++ b/Documentation/devicetree/bindings/power/amlogic,meson-ee-pwrc.yaml
@@ -68,6 +68,8 @@ required:
   - "#power-domain-cells"
   - amlogic,ao-sysctrl
 
+additionalProperties: false
+
 examples:
   - |
     pwrc: power-controller {
diff --git a/Documentation/devicetree/bindings/power/reset/syscon-poweroff.yaml b/Documentation/devicetree/bindings/power/reset/syscon-poweroff.yaml
index 520e07e6f21b..3412fe7e1e80 100644
--- a/Documentation/devicetree/bindings/power/reset/syscon-poweroff.yaml
+++ b/Documentation/devicetree/bindings/power/reset/syscon-poweroff.yaml
@@ -41,6 +41,8 @@ required:
   - regmap
   - offset
 
+additionalProperties: false
+
 allOf:
   - if:
       not:
diff --git a/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml b/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml
index d38006b1f1f4..b80772cb9f06 100644
--- a/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml
+++ b/Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml
@@ -41,6 +41,8 @@ required:
   - regmap
   - offset
 
+additionalProperties: false
+
 allOf:
   - if:
       not:
diff --git a/Documentation/devicetree/bindings/power/supply/max77650-charger.yaml b/Documentation/devicetree/bindings/power/supply/max77650-charger.yaml
index deef010ec535..62eeddb65aed 100644
--- a/Documentation/devicetree/bindings/power/supply/max77650-charger.yaml
+++ b/Documentation/devicetree/bindings/power/supply/max77650-charger.yaml
@@ -32,3 +32,6 @@ properties:
 
 required:
   - compatible
+additionalProperties: false
+
+...
diff --git a/Documentation/devicetree/bindings/ptp/ptp-idtcm.yaml b/Documentation/devicetree/bindings/ptp/ptp-idtcm.yaml
index 9e21b83d717e..239b49fad805 100644
--- a/Documentation/devicetree/bindings/ptp/ptp-idtcm.yaml
+++ b/Documentation/devicetree/bindings/ptp/ptp-idtcm.yaml
@@ -55,6 +55,8 @@ required:
   - compatible
   - reg
 
+additionalProperties: false
+
 examples:
   - |
     i2c@1 {
diff --git a/Documentation/devicetree/bindings/regulator/max77650-regulator.yaml b/Documentation/devicetree/bindings/regulator/max77650-regulator.yaml
index 50690487edc8..ce0a4021ae7f 100644
--- a/Documentation/devicetree/bindings/regulator/max77650-regulator.yaml
+++ b/Documentation/devicetree/bindings/regulator/max77650-regulator.yaml
@@ -29,3 +29,6 @@ patternProperties:
 
 required:
   - compatible
+additionalProperties: false
+
+...
diff --git a/Documentation/devicetree/bindings/reset/amlogic,meson-reset.yaml b/Documentation/devicetree/bindings/reset/amlogic,meson-reset.yaml
index b3f57d81f007..92922d3afd14 100644
--- a/Documentation/devicetree/bindings/reset/amlogic,meson-reset.yaml
+++ b/Documentation/devicetree/bindings/reset/amlogic,meson-reset.yaml
@@ -29,6 +29,8 @@ required:
   - reg
   - "#reset-cells"
 
+additionalProperties: false
+
 examples:
   - |
     reset-controller@c884404 {
diff --git a/Documentation/devicetree/bindings/reset/brcm,bcm7216-pcie-sata-rescal.yaml b/Documentation/devicetree/bindings/reset/brcm,bcm7216-pcie-sata-rescal.yaml
index 411bd76f1b64..512a33bdb208 100644
--- a/Documentation/devicetree/bindings/reset/brcm,bcm7216-pcie-sata-rescal.yaml
+++ b/Documentation/devicetree/bindings/reset/brcm,bcm7216-pcie-sata-rescal.yaml
@@ -28,6 +28,8 @@ required:
   - reg
   - "#reset-cells"
 
+additionalProperties: false
+
 examples:
   - |
     reset-controller@8b2c800 {
diff --git a/Documentation/devicetree/bindings/rng/amlogic,meson-rng.yaml b/Documentation/devicetree/bindings/rng/amlogic,meson-rng.yaml
index a9ff3cb35c5e..444be32a8a29 100644
--- a/Documentation/devicetree/bindings/rng/amlogic,meson-rng.yaml
+++ b/Documentation/devicetree/bindings/rng/amlogic,meson-rng.yaml
@@ -29,6 +29,8 @@ required:
   - compatible
   - reg
 
+additionalProperties: false
+
 examples:
   - |
     rng@c8834000 {
diff --git a/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml b/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml
index 42d9a38e4e1a..89ab67f20a7f 100644
--- a/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml
+++ b/Documentation/devicetree/bindings/rng/brcm,bcm2835.yaml
@@ -35,6 +35,8 @@ required:
   - compatible
   - reg
 
+additionalProperties: false
+
 examples:
   - |
     rng {
diff --git a/Documentation/devicetree/bindings/rtc/renesas,sh-rtc.yaml b/Documentation/devicetree/bindings/rtc/renesas,sh-rtc.yaml
index dcff573cbdb1..b95cb017f469 100644
--- a/Documentation/devicetree/bindings/rtc/renesas,sh-rtc.yaml
+++ b/Documentation/devicetree/bindings/rtc/renesas,sh-rtc.yaml
@@ -51,6 +51,8 @@ required:
   - clocks
   - clock-names
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/clock/r7s72100-clock.h>
diff --git a/Documentation/devicetree/bindings/rtc/st,stm32-rtc.yaml b/Documentation/devicetree/bindings/rtc/st,stm32-rtc.yaml
index 0a54296d7218..48c6cafca90c 100644
--- a/Documentation/devicetree/bindings/rtc/st,stm32-rtc.yaml
+++ b/Documentation/devicetree/bindings/rtc/st,stm32-rtc.yaml
@@ -111,6 +111,8 @@ required:
   - clocks
   - interrupts
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/mfd/stm32f4-rcc.h>
diff --git a/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml b/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml
index 214fe8beddc3..d4178ab0d675 100644
--- a/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml
+++ b/Documentation/devicetree/bindings/serial/amlogic,meson-uart.yaml
@@ -62,6 +62,8 @@ required:
   - clocks
   - clock-names
 
+additionalProperties: false
+
 examples:
   - |
     serial@84c0 {
diff --git a/Documentation/devicetree/bindings/soc/amlogic/amlogic,canvas.yaml b/Documentation/devicetree/bindings/soc/amlogic/amlogic,canvas.yaml
index f548594d020b..cb008fd188d8 100644
--- a/Documentation/devicetree/bindings/soc/amlogic/amlogic,canvas.yaml
+++ b/Documentation/devicetree/bindings/soc/amlogic/amlogic,canvas.yaml
@@ -40,6 +40,8 @@ required:
   - compatible
   - reg
 
+additionalProperties: false
+
 examples:
   - |
     canvas: video-lut@48 {
diff --git a/Documentation/devicetree/bindings/sound/adi,adau7118.yaml b/Documentation/devicetree/bindings/sound/adi,adau7118.yaml
index 75e0cbe6be70..76ee695097bf 100644
--- a/Documentation/devicetree/bindings/sound/adi,adau7118.yaml
+++ b/Documentation/devicetree/bindings/sound/adi,adau7118.yaml
@@ -59,6 +59,8 @@ required:
   - iovdd-supply
   - dvdd-supply
 
+additionalProperties: false
+
 examples:
   - |
     i2c {
diff --git a/Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml b/Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml
index 38eaf0c028f9..a495d5fc0d23 100644
--- a/Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml
+++ b/Documentation/devicetree/bindings/sound/qcom,wcd934x.yaml
@@ -139,6 +139,8 @@ required:
   - "#address-cells"
   - "#size-cells"
 
+additionalProperties: false
+
 examples:
   - |
     codec@1,0{
diff --git a/Documentation/devicetree/bindings/sound/renesas,fsi.yaml b/Documentation/devicetree/bindings/sound/renesas,fsi.yaml
index 140a37fc3c0b..d1b65554e681 100644
--- a/Documentation/devicetree/bindings/sound/renesas,fsi.yaml
+++ b/Documentation/devicetree/bindings/sound/renesas,fsi.yaml
@@ -63,6 +63,8 @@ required:
   - reg
   - interrupts
 
+additionalProperties: false
+
 examples:
   - |
     sh_fsi2: sound@ec230000 {
diff --git a/Documentation/devicetree/bindings/sound/samsung,odroid.yaml b/Documentation/devicetree/bindings/sound/samsung,odroid.yaml
index c6b244352d05..8ff2d39e7d17 100644
--- a/Documentation/devicetree/bindings/sound/samsung,odroid.yaml
+++ b/Documentation/devicetree/bindings/sound/samsung,odroid.yaml
@@ -69,6 +69,8 @@ required:
   - cpu
   - codec
 
+additionalProperties: false
+
 examples:
   - |
     sound {
diff --git a/Documentation/devicetree/bindings/sound/samsung-i2s.yaml b/Documentation/devicetree/bindings/sound/samsung-i2s.yaml
index 53e3bad4178c..b2ad093d94df 100644
--- a/Documentation/devicetree/bindings/sound/samsung-i2s.yaml
+++ b/Documentation/devicetree/bindings/sound/samsung-i2s.yaml
@@ -115,6 +115,8 @@ required:
   - clocks
   - clock-names
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/clock/exynos-audss-clk.h>
diff --git a/Documentation/devicetree/bindings/sram/qcom,ocmem.yaml b/Documentation/devicetree/bindings/sram/qcom,ocmem.yaml
index 469cec133647..930188bc5e6a 100644
--- a/Documentation/devicetree/bindings/sram/qcom,ocmem.yaml
+++ b/Documentation/devicetree/bindings/sram/qcom,ocmem.yaml
@@ -56,6 +56,8 @@ required:
   - '#size-cells'
   - ranges
 
+additionalProperties: false
+
 patternProperties:
   "-sram@[0-9a-f]+$":
     type: object
diff --git a/Documentation/devicetree/bindings/thermal/amlogic,thermal.yaml b/Documentation/devicetree/bindings/thermal/amlogic,thermal.yaml
index 93fe7b10a82e..e43ec50bda37 100644
--- a/Documentation/devicetree/bindings/thermal/amlogic,thermal.yaml
+++ b/Documentation/devicetree/bindings/thermal/amlogic,thermal.yaml
@@ -42,6 +42,8 @@ required:
   - clocks
   - amlogic,ao-secure
 
+additionalProperties: false
+
 examples:
   - |
         cpu_temp: temperature-sensor@ff634800 {
diff --git a/Documentation/devicetree/bindings/timer/arm,arch_timer.yaml b/Documentation/devicetree/bindings/timer/arm,arch_timer.yaml
index 6deead07728e..fa255672e8e5 100644
--- a/Documentation/devicetree/bindings/timer/arm,arch_timer.yaml
+++ b/Documentation/devicetree/bindings/timer/arm,arch_timer.yaml
@@ -82,6 +82,8 @@ properties:
 required:
   - compatible
 
+additionalProperties: false
+
 oneOf:
   - required:
       - interrupts
diff --git a/Documentation/devicetree/bindings/timer/arm,arch_timer_mmio.yaml b/Documentation/devicetree/bindings/timer/arm,arch_timer_mmio.yaml
index f7ef6646bade..582bbef62b95 100644
--- a/Documentation/devicetree/bindings/timer/arm,arch_timer_mmio.yaml
+++ b/Documentation/devicetree/bindings/timer/arm,arch_timer_mmio.yaml
@@ -95,6 +95,8 @@ required:
   - '#address-cells'
   - '#size-cells'
 
+additionalProperties: false
+
 examples:
   - |
     timer@f0000000 {
diff --git a/Documentation/devicetree/bindings/timer/arm,global_timer.yaml b/Documentation/devicetree/bindings/timer/arm,global_timer.yaml
index 21c24a8e28fd..4956c8f409d2 100644
--- a/Documentation/devicetree/bindings/timer/arm,global_timer.yaml
+++ b/Documentation/devicetree/bindings/timer/arm,global_timer.yaml
@@ -35,6 +35,8 @@ required:
   - reg
   - clocks
 
+additionalProperties: false
+
 examples:
   - |
     timer@2c000600 {
diff --git a/Documentation/devicetree/bindings/timer/intel,ixp4xx-timer.yaml b/Documentation/devicetree/bindings/timer/intel,ixp4xx-timer.yaml
index 2807225db902..1a721d8af67a 100644
--- a/Documentation/devicetree/bindings/timer/intel,ixp4xx-timer.yaml
+++ b/Documentation/devicetree/bindings/timer/intel,ixp4xx-timer.yaml
@@ -32,6 +32,8 @@ required:
   - reg
   - interrupts
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/interrupt-controller/irq.h>
diff --git a/Documentation/devicetree/bindings/timer/samsung,exynos4210-mct.yaml b/Documentation/devicetree/bindings/timer/samsung,exynos4210-mct.yaml
index 273e359854dd..37bd01a62c52 100644
--- a/Documentation/devicetree/bindings/timer/samsung,exynos4210-mct.yaml
+++ b/Documentation/devicetree/bindings/timer/samsung,exynos4210-mct.yaml
@@ -52,6 +52,8 @@ required:
   - interrupts
   - reg
 
+additionalProperties: false
+
 examples:
   - |
     // In this example, the IP contains two local timers, using separate
diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml
index 51d1f6e43c02..bcae5f9b1d7f 100644
--- a/Documentation/devicetree/bindings/trivial-devices.yaml
+++ b/Documentation/devicetree/bindings/trivial-devices.yaml
@@ -369,4 +369,6 @@ required:
   - compatible
   - reg
 
+additionalProperties: false
+
 ...
