diff --git a/Documentation/devicetree/bindings/arm/cpus.yaml b/Documentation/devicetree/bindings/arm/cpus.yaml
index 1222bf1831fa..14cd727d3c4b 100644
--- a/Documentation/devicetree/bindings/arm/cpus.yaml
+++ b/Documentation/devicetree/bindings/arm/cpus.yaml
@@ -341,6 +341,8 @@ required:
 dependencies:
   rockchip,pmu: [enable-method]
 
+additionalProperties: true
+
 examples:
   - |
     cpus {
diff --git a/Documentation/devicetree/bindings/arm/nvidia,tegra194-ccplex.yaml b/Documentation/devicetree/bindings/arm/nvidia,tegra194-ccplex.yaml
index 1043e4be4fca..c9675c4cdc1b 100644
--- a/Documentation/devicetree/bindings/arm/nvidia,tegra194-ccplex.yaml
+++ b/Documentation/devicetree/bindings/arm/nvidia,tegra194-ccplex.yaml
@@ -30,6 +30,8 @@ properties:
       Specifies the bpmp node that needs to be queried to get
       operating point data for all CPUs.
 
+additionalProperties: true
+
 examples:
   - |
     cpus {
diff --git a/Documentation/devicetree/bindings/ata/pata-common.yaml b/Documentation/devicetree/bindings/ata/pata-common.yaml
index fc5ebbe7108d..2412894a255d 100644
--- a/Documentation/devicetree/bindings/ata/pata-common.yaml
+++ b/Documentation/devicetree/bindings/ata/pata-common.yaml
@@ -47,4 +47,6 @@ patternProperties:
           The ID number of the drive port, 0 for the master port and 1 for the
           slave port.
 
+additionalProperties: true
+
 ...
diff --git a/Documentation/devicetree/bindings/ata/sata-common.yaml b/Documentation/devicetree/bindings/ata/sata-common.yaml
index 6783a4dec6b5..7ac77b1c5850 100644
--- a/Documentation/devicetree/bindings/ata/sata-common.yaml
+++ b/Documentation/devicetree/bindings/ata/sata-common.yaml
@@ -47,4 +47,6 @@ patternProperties:
           multiplier making it possible to connect up to 15 disks to a single
           SATA port.
 
+additionalProperties: true
+
 ...
diff --git a/Documentation/devicetree/bindings/bus/simple-pm-bus.yaml b/Documentation/devicetree/bindings/bus/simple-pm-bus.yaml
index 33326ffdb266..182134d7a6a3 100644
--- a/Documentation/devicetree/bindings/bus/simple-pm-bus.yaml
+++ b/Documentation/devicetree/bindings/bus/simple-pm-bus.yaml
@@ -61,6 +61,8 @@ anyOf:
   - required:
       - power-domains
 
+additionalProperties: true
+
 examples:
   - |
     #include <dt-bindings/clock/qcom,gcc-msm8996.h>
diff --git a/Documentation/devicetree/bindings/chrome/google,cros-ec-typec.yaml b/Documentation/devicetree/bindings/chrome/google,cros-ec-typec.yaml
index 6d7396ab8bee..2d98f7c4d3bc 100644
--- a/Documentation/devicetree/bindings/chrome/google,cros-ec-typec.yaml
+++ b/Documentation/devicetree/bindings/chrome/google,cros-ec-typec.yaml
@@ -26,6 +26,8 @@ properties:
 required:
   - compatible
 
+additionalProperties: true #fixme
+
 examples:
   - |+
     spi0 {
diff --git a/Documentation/devicetree/bindings/connector/usb-connector.yaml b/Documentation/devicetree/bindings/connector/usb-connector.yaml
index dc6ff64422d4..f037d65b018e 100644
--- a/Documentation/devicetree/bindings/connector/usb-connector.yaml
+++ b/Documentation/devicetree/bindings/connector/usb-connector.yaml
@@ -172,6 +172,8 @@ allOf:
         type:
           const: micro
 
+additionalProperties: true
+
 examples:
   # Micro-USB connector with HS lines routed via controller (MUIC).
   - |
diff --git a/Documentation/devicetree/bindings/display/bridge/snps,dw-mipi-dsi.yaml b/Documentation/devicetree/bindings/display/bridge/snps,dw-mipi-dsi.yaml
index 012aa8e7cb8c..e42cb610f545 100644
--- a/Documentation/devicetree/bindings/display/bridge/snps,dw-mipi-dsi.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/snps,dw-mipi-dsi.yaml
@@ -66,3 +66,5 @@ required:
   - clocks
   - ports
   - reg
+
+additionalProperties: true
diff --git a/Documentation/devicetree/bindings/display/dsi-controller.yaml b/Documentation/devicetree/bindings/display/dsi-controller.yaml
index a02039e3aca0..ca21671f6bdd 100644
--- a/Documentation/devicetree/bindings/display/dsi-controller.yaml
+++ b/Documentation/devicetree/bindings/display/dsi-controller.yaml
@@ -73,6 +73,8 @@ patternProperties:
     required:
       - reg
 
+additionalProperties: true
+
 examples:
   - |
     #include <dt-bindings/gpio/gpio.h>
diff --git a/Documentation/devicetree/bindings/display/panel/lvds.yaml b/Documentation/devicetree/bindings/display/panel/lvds.yaml
index 946dd354256c..31164608ba1d 100644
--- a/Documentation/devicetree/bindings/display/panel/lvds.yaml
+++ b/Documentation/devicetree/bindings/display/panel/lvds.yaml
@@ -112,4 +112,6 @@ oneOf:
   - required:
       - ports
 
+additionalProperties: true
+
 ...
diff --git a/Documentation/devicetree/bindings/display/panel/panel-common.yaml b/Documentation/devicetree/bindings/display/panel/panel-common.yaml
index 45fe8fe5faba..cd6dc5461721 100644
--- a/Documentation/devicetree/bindings/display/panel/panel-common.yaml
+++ b/Documentation/devicetree/bindings/display/panel/panel-common.yaml
@@ -163,4 +163,6 @@ dependencies:
   width-mm: [ height-mm ]
   height-mm: [ width-mm ]
 
+additionalProperties: true
+
 ...
diff --git a/Documentation/devicetree/bindings/dma/dma-common.yaml b/Documentation/devicetree/bindings/dma/dma-common.yaml
index c36592683340..307b499e8968 100644
--- a/Documentation/devicetree/bindings/dma/dma-common.yaml
+++ b/Documentation/devicetree/bindings/dma/dma-common.yaml
@@ -49,3 +49,5 @@ properties:
 
 required:
   - "#dma-cells"
+
+additionalProperties: true
diff --git a/Documentation/devicetree/bindings/dma/dma-controller.yaml b/Documentation/devicetree/bindings/dma/dma-controller.yaml
index c39f6de76670..0043b91da95e 100644
--- a/Documentation/devicetree/bindings/dma/dma-controller.yaml
+++ b/Documentation/devicetree/bindings/dma/dma-controller.yaml
@@ -17,6 +17,8 @@ properties:
   $nodename:
     pattern: "^dma-controller(@.*)?$"
 
+additionalProperties: true
+
 examples:
   - |
     dma: dma-controller@48000000 {
diff --git a/Documentation/devicetree/bindings/dma/dma-router.yaml b/Documentation/devicetree/bindings/dma/dma-router.yaml
index 5b5f07393135..4cee5667b8a8 100644
--- a/Documentation/devicetree/bindings/dma/dma-router.yaml
+++ b/Documentation/devicetree/bindings/dma/dma-router.yaml
@@ -36,6 +36,8 @@ required:
   - "#dma-cells"
   - dma-masters
 
+additionalProperties: true
+
 examples:
   - |
     sdma_xbar: dma-router@4a002b78 {
diff --git a/Documentation/devicetree/bindings/extcon/wlf,arizona.yaml b/Documentation/devicetree/bindings/extcon/wlf,arizona.yaml
index f9845dc2f5ae..5fe784f487c5 100644
--- a/Documentation/devicetree/bindings/extcon/wlf,arizona.yaml
+++ b/Documentation/devicetree/bindings/extcon/wlf,arizona.yaml
@@ -123,3 +123,5 @@ properties:
     $ref: "/schemas/types.yaml#/definitions/uint32"
     minimum: 0
     maximum: 3
+
+additionalProperties: true
diff --git a/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml b/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml
index 16d76482b4ff..cfb66ba45ee8 100644
--- a/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/samsung,exynos-adc.yaml
@@ -46,6 +46,8 @@ properties:
   "#io-channel-cells":
     const: 1
 
+  io-channel-ranges: true
+
   vdd-supply: true
 
   samsung,syscon-phandle:
@@ -107,7 +109,8 @@ allOf:
           items:
             - const: adc
 
-additionalProperties: false
+additionalProperties:
+  type: object
 
 examples:
   - |
diff --git a/Documentation/devicetree/bindings/iio/common.yaml b/Documentation/devicetree/bindings/iio/common.yaml
index 97ffcb77043d..f845b41d74c4 100644
--- a/Documentation/devicetree/bindings/iio/common.yaml
+++ b/Documentation/devicetree/bindings/iio/common.yaml
@@ -32,4 +32,6 @@ properties:
       considered 'near' to the device (an object is near to the
       sensor).
 
+additionalProperties: true
+
 ...
diff --git a/Documentation/devicetree/bindings/input/input.yaml b/Documentation/devicetree/bindings/input/input.yaml
index 8edcb3c31270..ab407f266bef 100644
--- a/Documentation/devicetree/bindings/input/input.yaml
+++ b/Documentation/devicetree/bindings/input/input.yaml
@@ -33,3 +33,5 @@ properties:
       power off automatically. Device with key pressed shutdown feature can
       specify this property.
     $ref: /schemas/types.yaml#/definitions/uint32
+
+additionalProperties: true
diff --git a/Documentation/devicetree/bindings/input/matrix-keymap.yaml b/Documentation/devicetree/bindings/input/matrix-keymap.yaml
index c3bf09156783..6699d5e32dca 100644
--- a/Documentation/devicetree/bindings/input/matrix-keymap.yaml
+++ b/Documentation/devicetree/bindings/input/matrix-keymap.yaml
@@ -35,6 +35,8 @@ properties:
     $ref: /schemas/types.yaml#/definitions/uint32
     description: Number of column lines connected to the keypad controller.
 
+additionalProperties: true
+
 examples:
   - |
     keypad {
diff --git a/Documentation/devicetree/bindings/input/touchscreen/touchscreen.yaml b/Documentation/devicetree/bindings/input/touchscreen/touchscreen.yaml
index 36dc7b56a453..a771a15f053f 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/touchscreen.yaml
+++ b/Documentation/devicetree/bindings/input/touchscreen/touchscreen.yaml
@@ -81,3 +81,5 @@ dependencies:
   touchscreen-size-y: [ touchscreen-size-x ]
   touchscreen-x-mm: [ touchscreen-y-mm ]
   touchscreen-y-mm: [ touchscreen-x-mm ]
+
+additionalProperties: true
diff --git a/Documentation/devicetree/bindings/leds/common.yaml b/Documentation/devicetree/bindings/leds/common.yaml
index a2a541bca73c..08b6700ca61e 100644
--- a/Documentation/devicetree/bindings/leds/common.yaml
+++ b/Documentation/devicetree/bindings/leds/common.yaml
@@ -156,6 +156,8 @@ properties:
       Maximum timeout in microseconds after which the flash LED is turned off.
       Required for flash LED nodes with configurable timeout.
 
+additionalProperties: true
+
 examples:
   - |
     #include <dt-bindings/gpio/gpio.h>
diff --git a/Documentation/devicetree/bindings/leds/leds-class-multicolor.yaml b/Documentation/devicetree/bindings/leds/leds-class-multicolor.yaml
index b55e1f1308a4..b1a53f054b89 100644
--- a/Documentation/devicetree/bindings/leds/leds-class-multicolor.yaml
+++ b/Documentation/devicetree/bindings/leds/leds-class-multicolor.yaml
@@ -34,4 +34,7 @@ patternProperties:
 
     required:
       - color
+
+additionalProperties: true
+
 ...
diff --git a/Documentation/devicetree/bindings/leds/trigger-source.yaml b/Documentation/devicetree/bindings/leds/trigger-source.yaml
index 0618003e40bd..89a1cde2b8aa 100644
--- a/Documentation/devicetree/bindings/leds/trigger-source.yaml
+++ b/Documentation/devicetree/bindings/leds/trigger-source.yaml
@@ -21,4 +21,6 @@ properties:
       trigger sources (e.g. a specific USB port).
     enum: [ 0, 1 ]
 
+additionalProperties: true
+
 ...
diff --git a/Documentation/devicetree/bindings/media/rc.yaml b/Documentation/devicetree/bindings/media/rc.yaml
index ded2ac43237d..8ad2cba5f61f 100644
--- a/Documentation/devicetree/bindings/media/rc.yaml
+++ b/Documentation/devicetree/bindings/media/rc.yaml
@@ -150,3 +150,5 @@ properties:
       - rc-x96max
       - rc-xbox-dvd
       - rc-zx-irdec
+
+additionalProperties: true
diff --git a/Documentation/devicetree/bindings/mfd/syscon.yaml b/Documentation/devicetree/bindings/mfd/syscon.yaml
index 844ee2a6ce05..5317a7d69aa5 100644
--- a/Documentation/devicetree/bindings/mfd/syscon.yaml
+++ b/Documentation/devicetree/bindings/mfd/syscon.yaml
@@ -71,7 +71,7 @@ required:
   - compatible
   - reg
 
-unevaluatedProperties: false
+additionalProperties: true
 
 examples:
   - |
diff --git a/Documentation/devicetree/bindings/mmc/mmc-controller.yaml b/Documentation/devicetree/bindings/mmc/mmc-controller.yaml
index b96da0c7f819..57319b425eaa 100644
--- a/Documentation/devicetree/bindings/mmc/mmc-controller.yaml
+++ b/Documentation/devicetree/bindings/mmc/mmc-controller.yaml
@@ -349,6 +349,8 @@ dependencies:
   cd-debounce-delay-ms: [ cd-gpios ]
   fixed-emmc-driver-type: [ non-removable ]
 
+additionalProperties: true
+
 examples:
   - |
     mmc@ab000000 {
diff --git a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc-common.yaml b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc-common.yaml
index 85bd528e9a14..8dfad89c78a7 100644
--- a/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc-common.yaml
+++ b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc-common.yaml
@@ -62,3 +62,5 @@ properties:
 
   dma-names:
     const: rx-tx
+
+additionalProperties: true
diff --git a/Documentation/devicetree/bindings/mtd/nand-controller.yaml b/Documentation/devicetree/bindings/mtd/nand-controller.yaml
index 40fc5b0b2b8c..274bbe6a365e 100644
--- a/Documentation/devicetree/bindings/mtd/nand-controller.yaml
+++ b/Documentation/devicetree/bindings/mtd/nand-controller.yaml
@@ -128,6 +128,8 @@ required:
   - "#address-cells"
   - "#size-cells"
 
+additionalProperties: true
+
 examples:
   - |
     nand-controller {
diff --git a/Documentation/devicetree/bindings/net/can/can-transceiver.yaml b/Documentation/devicetree/bindings/net/can/can-transceiver.yaml
index 6396977d29e5..d1ef1fe6ab29 100644
--- a/Documentation/devicetree/bindings/net/can/can-transceiver.yaml
+++ b/Documentation/devicetree/bindings/net/can/can-transceiver.yaml
@@ -16,3 +16,5 @@ properties:
     $ref: /schemas/types.yaml#/definitions/uint32
     description: a positive non 0 value that determines the max speed that CAN/CAN-FD can run.
     minimum: 1
+
+additionalProperties: true
diff --git a/Documentation/devicetree/bindings/net/dsa/dsa.yaml b/Documentation/devicetree/bindings/net/dsa/dsa.yaml
index 6a1ec50ad4fd..a765ceba28c6 100644
--- a/Documentation/devicetree/bindings/net/dsa/dsa.yaml
+++ b/Documentation/devicetree/bindings/net/dsa/dsa.yaml
@@ -89,4 +89,6 @@ oneOf:
   - required:
       - ethernet-ports
 
+additionalProperties: true
+
 ...
diff --git a/Documentation/devicetree/bindings/net/ethernet-controller.yaml b/Documentation/devicetree/bindings/net/ethernet-controller.yaml
index fa2baca8c726..3fd85ce37e9c 100644
--- a/Documentation/devicetree/bindings/net/ethernet-controller.yaml
+++ b/Documentation/devicetree/bindings/net/ethernet-controller.yaml
@@ -205,4 +205,6 @@ properties:
           required:
             - speed
 
+additionalProperties: true
+
 ...
diff --git a/Documentation/devicetree/bindings/net/ethernet-phy.yaml b/Documentation/devicetree/bindings/net/ethernet-phy.yaml
index a9e547ac7905..6dd72faebd89 100644
--- a/Documentation/devicetree/bindings/net/ethernet-phy.yaml
+++ b/Documentation/devicetree/bindings/net/ethernet-phy.yaml
@@ -177,6 +177,8 @@ properties:
 required:
   - reg
 
+additionalProperties: true
+
 examples:
   - |
     ethernet {
diff --git a/Documentation/devicetree/bindings/net/mdio.yaml b/Documentation/devicetree/bindings/net/mdio.yaml
index 26afb556dfae..e811e0fd851c 100644
--- a/Documentation/devicetree/bindings/net/mdio.yaml
+++ b/Documentation/devicetree/bindings/net/mdio.yaml
@@ -100,6 +100,8 @@ patternProperties:
     required:
       - reg
 
+additionalProperties: true
+
 examples:
   - |
     davinci_mdio: mdio@5c030000 {
diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
index 30a1efd26626..11a6fdb657c9 100644
--- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml
+++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml
@@ -356,6 +356,8 @@ allOf:
             Enables the TSO feature otherwise it will be managed by
             MAC HW capability register.
 
+additionalProperties: true
+
 examples:
   - |
     stmmac_axi_setup: stmmac-axi-config {
diff --git a/Documentation/devicetree/bindings/nvmem/nvmem-consumer.yaml b/Documentation/devicetree/bindings/nvmem/nvmem-consumer.yaml
index b7c00ed31085..d5d7f113bade 100644
--- a/Documentation/devicetree/bindings/nvmem/nvmem-consumer.yaml
+++ b/Documentation/devicetree/bindings/nvmem/nvmem-consumer.yaml
@@ -36,6 +36,8 @@ dependencies:
   nvmem-names: [ nvmem ]
   nvmem-cell-names: [ nvmem-cells ]
 
+additionalProperties: true
+
 examples:
   - |
     tsens {
diff --git a/Documentation/devicetree/bindings/nvmem/nvmem.yaml b/Documentation/devicetree/bindings/nvmem/nvmem.yaml
index b459f9dba6c9..7481a9e48f19 100644
--- a/Documentation/devicetree/bindings/nvmem/nvmem.yaml
+++ b/Documentation/devicetree/bindings/nvmem/nvmem.yaml
@@ -67,6 +67,8 @@ patternProperties:
     required:
       - reg
 
+additionalProperties: true
+
 examples:
   - |
       #include <dt-bindings/gpio/gpio.h>
diff --git a/Documentation/devicetree/bindings/pci/cdns-pcie-ep.yaml b/Documentation/devicetree/bindings/pci/cdns-pcie-ep.yaml
index 016a5f61592d..60b8baf299bb 100644
--- a/Documentation/devicetree/bindings/pci/cdns-pcie-ep.yaml
+++ b/Documentation/devicetree/bindings/pci/cdns-pcie-ep.yaml
@@ -22,3 +22,5 @@ properties:
 
 required:
   - cdns,max-outbound-regions
+
+additionalProperties: true
diff --git a/Documentation/devicetree/bindings/pci/cdns-pcie-host.yaml b/Documentation/devicetree/bindings/pci/cdns-pcie-host.yaml
index 303078a7b7a8..a944f9bfffff 100644
--- a/Documentation/devicetree/bindings/pci/cdns-pcie-host.yaml
+++ b/Documentation/devicetree/bindings/pci/cdns-pcie-host.yaml
@@ -33,3 +33,5 @@ properties:
     deprecated: true
 
   msi-parent: true
+
+additionalProperties: true
diff --git a/Documentation/devicetree/bindings/pci/cdns-pcie.yaml b/Documentation/devicetree/bindings/pci/cdns-pcie.yaml
index 02553d5e6c51..df4fe28222b0 100644
--- a/Documentation/devicetree/bindings/pci/cdns-pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/cdns-pcie.yaml
@@ -21,3 +21,5 @@ properties:
     items:
       - const: pcie-phy
     # FIXME: names when more than 1
+
+additionalProperties: true
diff --git a/Documentation/devicetree/bindings/pci/pci-ep.yaml b/Documentation/devicetree/bindings/pci/pci-ep.yaml
index 0f8e575ac01a..7847bbcd4a03 100644
--- a/Documentation/devicetree/bindings/pci/pci-ep.yaml
+++ b/Documentation/devicetree/bindings/pci/pci-ep.yaml
@@ -36,3 +36,5 @@ properties:
 
 required:
   - compatible
+
+additionalProperties: true
diff --git a/Documentation/devicetree/bindings/pinctrl/cirrus,madera.yaml b/Documentation/devicetree/bindings/pinctrl/cirrus,madera.yaml
index 6bfc25d0e1b3..4cb174bf31ff 100644
--- a/Documentation/devicetree/bindings/pinctrl/cirrus,madera.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/cirrus,madera.yaml
@@ -120,3 +120,5 @@ properties:
 required:
   - pinctrl-0
   - pinctrl-names
+
+additionalProperties: true
diff --git a/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml b/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml
index 13b7ab9dd6d5..71ed0a9def84 100644
--- a/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/pincfg-node.yaml
@@ -138,3 +138,5 @@ properties:
       and the delay before latching a value to an output
       pin. Typically indicates how many double-inverters are
       used to delay the signal.
+
+additionalProperties: true
diff --git a/Documentation/devicetree/bindings/pinctrl/pinmux-node.yaml b/Documentation/devicetree/bindings/pinctrl/pinmux-node.yaml
index ef8877ddb1eb..551df3d9b809 100644
--- a/Documentation/devicetree/bindings/pinctrl/pinmux-node.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/pinmux-node.yaml
@@ -129,3 +129,5 @@ properties:
 
   pinctrl-pin-array:
     $ref: /schemas/types.yaml#/definitions/uint32-array
+
+additionalProperties: true
diff --git a/Documentation/devicetree/bindings/power/power-domain.yaml b/Documentation/devicetree/bindings/power/power-domain.yaml
index dd564349aa53..aed51e9dcb11 100644
--- a/Documentation/devicetree/bindings/power/power-domain.yaml
+++ b/Documentation/devicetree/bindings/power/power-domain.yaml
@@ -69,6 +69,8 @@ properties:
 required:
   - "#power-domain-cells"
 
+additionalProperties: true
+
 examples:
   - |
     power: power-controller@12340000 {
diff --git a/Documentation/devicetree/bindings/power/supply/power-supply.yaml b/Documentation/devicetree/bindings/power/supply/power-supply.yaml
index 3bb02bb3a2d8..c5c55f627251 100644
--- a/Documentation/devicetree/bindings/power/supply/power-supply.yaml
+++ b/Documentation/devicetree/bindings/power/supply/power-supply.yaml
@@ -16,6 +16,8 @@ properties:
       This property is added to a supply in order to list the devices which
       supply it power, referenced by their phandles.
 
+additionalProperties: true
+
 examples:
   - |
     power {
diff --git a/Documentation/devicetree/bindings/pwm/pwm.yaml b/Documentation/devicetree/bindings/pwm/pwm.yaml
index fa4f9de92090..7d1f687cee9c 100644
--- a/Documentation/devicetree/bindings/pwm/pwm.yaml
+++ b/Documentation/devicetree/bindings/pwm/pwm.yaml
@@ -20,6 +20,8 @@ properties:
 required:
   - "#pwm-cells"
 
+additionalProperties: true
+
 examples:
   - |
     pwm: pwm@7000a000 {
diff --git a/Documentation/devicetree/bindings/regulator/regulator.yaml b/Documentation/devicetree/bindings/regulator/regulator.yaml
index ec505dbbf87c..6d0bc9cd4040 100644
--- a/Documentation/devicetree/bindings/regulator/regulator.yaml
+++ b/Documentation/devicetree/bindings/regulator/regulator.yaml
@@ -188,6 +188,8 @@ patternProperties:
 
     additionalProperties: false
 
+additionalProperties: true
+
 examples:
   - |
     xyzreg: regulator {
diff --git a/Documentation/devicetree/bindings/regulator/wlf,arizona.yaml b/Documentation/devicetree/bindings/regulator/wlf,arizona.yaml
index a0aea73bf412..7b4ae5d23351 100644
--- a/Documentation/devicetree/bindings/regulator/wlf,arizona.yaml
+++ b/Documentation/devicetree/bindings/regulator/wlf,arizona.yaml
@@ -35,3 +35,5 @@ properties:
       Initial data for the MICVDD regulator.
     $ref: "regulator.yaml#"
     type: object
+
+additionalProperties: true
diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentation/devicetree/bindings/riscv/cpus.yaml
index f80ba2c66f71..c6925e0b16e4 100644
--- a/Documentation/devicetree/bindings/riscv/cpus.yaml
+++ b/Documentation/devicetree/bindings/riscv/cpus.yaml
@@ -91,6 +91,8 @@ required:
   - riscv,isa
   - interrupt-controller
 
+additionalProperties: true
+
 examples:
   - |
     // Example 1: SiFive Freedom U540G Development Kit
diff --git a/Documentation/devicetree/bindings/rtc/rtc.yaml b/Documentation/devicetree/bindings/rtc/rtc.yaml
index ee237b2ed66a..2d055e37e6f7 100644
--- a/Documentation/devicetree/bindings/rtc/rtc.yaml
+++ b/Documentation/devicetree/bindings/rtc/rtc.yaml
@@ -47,4 +47,6 @@ properties:
     description:
       Enables wake up of host system on alarm.
 
+additionalProperties: true
+
 ...
diff --git a/Documentation/devicetree/bindings/serial/rs485.yaml b/Documentation/devicetree/bindings/serial/rs485.yaml
index fe90569475e1..0c9fa694f85c 100644
--- a/Documentation/devicetree/bindings/serial/rs485.yaml
+++ b/Documentation/devicetree/bindings/serial/rs485.yaml
@@ -45,4 +45,7 @@ properties:
   rs485-term-gpios:
     description: GPIO pin to enable RS485 bus termination.
     maxItems: 1
+
+additionalProperties: true
+
 ...
diff --git a/Documentation/devicetree/bindings/serial/serial.yaml b/Documentation/devicetree/bindings/serial/serial.yaml
index 8645d0e526b4..65e75d040521 100644
--- a/Documentation/devicetree/bindings/serial/serial.yaml
+++ b/Documentation/devicetree/bindings/serial/serial.yaml
@@ -124,6 +124,8 @@ patternProperties:
       required:
         - compatible
 
+additionalProperties: true
+
 examples:
   - |
     serial@1234 {
diff --git a/Documentation/devicetree/bindings/soc/imx/fsl,aips-bus.yaml b/Documentation/devicetree/bindings/soc/imx/fsl,aips-bus.yaml
index 3cbf2d28a188..80d99861fec5 100644
--- a/Documentation/devicetree/bindings/soc/imx/fsl,aips-bus.yaml
+++ b/Documentation/devicetree/bindings/soc/imx/fsl,aips-bus.yaml
@@ -35,6 +35,8 @@ required:
   - compatible
   - reg
 
+additionalProperties: true
+
 examples:
   - |
     bus@30000000 {
diff --git a/Documentation/devicetree/bindings/sound/amlogic,aiu.yaml b/Documentation/devicetree/bindings/sound/amlogic,aiu.yaml
index 7a7f28469624..f50558ed914f 100644
--- a/Documentation/devicetree/bindings/sound/amlogic,aiu.yaml
+++ b/Documentation/devicetree/bindings/sound/amlogic,aiu.yaml
@@ -75,6 +75,8 @@ required:
   - reg
   - resets
 
+additionalProperties: false
+
 examples:
   - |
     #include <dt-bindings/clock/gxbb-clkc.h>
diff --git a/Documentation/devicetree/bindings/sound/cirrus,madera.yaml b/Documentation/devicetree/bindings/sound/cirrus,madera.yaml
index c4cd58b5acd4..23138ddcb62d 100644
--- a/Documentation/devicetree/bindings/sound/cirrus,madera.yaml
+++ b/Documentation/devicetree/bindings/sound/cirrus,madera.yaml
@@ -111,3 +111,5 @@ properties:
     $ref: /schemas/types.yaml#/definitions/uint32-array
     minItems: 2
     maxItems: 2
+
+additionalProperties: true
diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra210-ahub.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra210-ahub.yaml
index 44ee9d844ae0..d77219727768 100644
--- a/Documentation/devicetree/bindings/sound/nvidia,tegra210-ahub.yaml
+++ b/Documentation/devicetree/bindings/sound/nvidia,tegra210-ahub.yaml
@@ -67,6 +67,9 @@ required:
   - "#size-cells"
   - ranges
 
+additionalProperties:
+  type: object
+
 examples:
   - |
     #include<dt-bindings/clock/tegra210-car.h>
diff --git a/Documentation/devicetree/bindings/sound/wlf,arizona.yaml b/Documentation/devicetree/bindings/sound/wlf,arizona.yaml
index 22d54be7900a..1627c0bb69be 100644
--- a/Documentation/devicetree/bindings/sound/wlf,arizona.yaml
+++ b/Documentation/devicetree/bindings/sound/wlf,arizona.yaml
@@ -112,3 +112,5 @@ properties:
     $ref: /schemas/types.yaml#/definitions/uint32-array
     minItems: 1
     maxItems: 12
+
+additionalProperties: true
diff --git a/Documentation/devicetree/bindings/soundwire/soundwire-controller.yaml b/Documentation/devicetree/bindings/soundwire/soundwire-controller.yaml
index 330924b8618e..4aad121eff3f 100644
--- a/Documentation/devicetree/bindings/soundwire/soundwire-controller.yaml
+++ b/Documentation/devicetree/bindings/soundwire/soundwire-controller.yaml
@@ -57,6 +57,8 @@ required:
   - "#address-cells"
   - "#size-cells"
 
+additionalProperties: true
+
 examples:
   - |
     soundwire@c2d0000 {
diff --git a/Documentation/devicetree/bindings/spi/spi-controller.yaml b/Documentation/devicetree/bindings/spi/spi-controller.yaml
index c6a2f543648b..2b154803b181 100644
--- a/Documentation/devicetree/bindings/spi/spi-controller.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-controller.yaml
@@ -140,6 +140,8 @@ patternProperties:
       - compatible
       - reg
 
+additionalProperties: true
+
 examples:
   - |
     spi@f00 {
diff --git a/Documentation/devicetree/bindings/spmi/spmi.yaml b/Documentation/devicetree/bindings/spmi/spmi.yaml
index 0cfbf56ba825..173940930719 100644
--- a/Documentation/devicetree/bindings/spmi/spmi.yaml
+++ b/Documentation/devicetree/bindings/spmi/spmi.yaml
@@ -55,6 +55,8 @@ patternProperties:
 required:
   - reg
 
+additionalProperties: true
+
 examples:
   - |
     #include <dt-bindings/spmi/spmi.h>
diff --git a/Documentation/devicetree/bindings/thermal/thermal-cooling-devices.yaml b/Documentation/devicetree/bindings/thermal/thermal-cooling-devices.yaml
index ad4beaf02842..f004779ba9b3 100644
--- a/Documentation/devicetree/bindings/thermal/thermal-cooling-devices.yaml
+++ b/Documentation/devicetree/bindings/thermal/thermal-cooling-devices.yaml
@@ -49,6 +49,8 @@ properties:
       and the second cell is the maximum cooling state requested.
     const: 2
 
+additionalProperties: true
+
 examples:
   - |
     #include <dt-bindings/interrupt-controller/arm-gic.h>
diff --git a/Documentation/devicetree/bindings/thermal/thermal-sensor.yaml b/Documentation/devicetree/bindings/thermal/thermal-sensor.yaml
index 727d04550324..9f747921e851 100644
--- a/Documentation/devicetree/bindings/thermal/thermal-sensor.yaml
+++ b/Documentation/devicetree/bindings/thermal/thermal-sensor.yaml
@@ -36,6 +36,8 @@ properties:
       containing several internal sensors.
     enum: [0, 1]
 
+additionalProperties: true
+
 examples:
   - |
     #include <dt-bindings/interrupt-controller/arm-gic.h>
diff --git a/Documentation/devicetree/bindings/usb/ti,tps6598x.yaml b/Documentation/devicetree/bindings/usb/ti,tps6598x.yaml
index 8eaf4b6c4735..f6819bf2a3b5 100644
--- a/Documentation/devicetree/bindings/usb/ti,tps6598x.yaml
+++ b/Documentation/devicetree/bindings/usb/ti,tps6598x.yaml
@@ -32,6 +32,8 @@ required:
   - interrupts
   - interrupt-names
 
+additionalProperties: true
+
 examples:
   - |
     #include <dt-bindings/interrupt-controller/irq.h>
diff --git a/Documentation/devicetree/bindings/usb/usb-hcd.yaml b/Documentation/devicetree/bindings/usb/usb-hcd.yaml
index 7263b7f2b510..b545b087b342 100644
--- a/Documentation/devicetree/bindings/usb/usb-hcd.yaml
+++ b/Documentation/devicetree/bindings/usb/usb-hcd.yaml
@@ -22,6 +22,8 @@ properties:
     description:
       Name specifier for the USB PHY
 
+additionalProperties: true
+
 examples:
   - |
     usb {
diff --git a/Documentation/devicetree/bindings/watchdog/watchdog.yaml b/Documentation/devicetree/bindings/watchdog/watchdog.yaml
index 187bf6cb62bf..4e2c26cd981d 100644
--- a/Documentation/devicetree/bindings/watchdog/watchdog.yaml
+++ b/Documentation/devicetree/bindings/watchdog/watchdog.yaml
@@ -23,4 +23,6 @@ properties:
     description:
       Contains the watchdog timeout in seconds.
 
+additionalProperties: true
+
 ...
