10 files changed, 72 insertions, 38 deletions
diff --git a/dts/Bindings/nvmem/imx-ocotp.yaml b/dts/Bindings/nvmem/imx-ocotp.yaml
index 1c9d7f05f1..8a43dc1283 100644
--- a/dts/Bindings/nvmem/imx-ocotp.yaml
+++ b/dts/Bindings/nvmem/imx-ocotp.yaml
@@ -19,21 +19,29 @@ allOf:
 
 properties:
   compatible:
-    items:
-      - enum:
-          - fsl,imx6q-ocotp
-          - fsl,imx6sl-ocotp
-          - fsl,imx6sx-ocotp
-          - fsl,imx6ul-ocotp
-          - fsl,imx6ull-ocotp
-          - fsl,imx7d-ocotp
-          - fsl,imx6sll-ocotp
-          - fsl,imx7ulp-ocotp
-          - fsl,imx8mq-ocotp
-          - fsl,imx8mm-ocotp
-          - fsl,imx8mn-ocotp
-          - fsl,imx8mp-ocotp
-      - const: syscon
+    oneOf:
+      - items:
+          - enum:
+              - fsl,imx6q-ocotp
+              - fsl,imx6sl-ocotp
+              - fsl,imx6sx-ocotp
+              - fsl,imx6ul-ocotp
+              - fsl,imx6ull-ocotp
+              - fsl,imx7d-ocotp
+              - fsl,imx6sll-ocotp
+              - fsl,imx7ulp-ocotp
+              - fsl,imx8mq-ocotp
+              - fsl,imx8mm-ocotp
+          - const: syscon
+      - items:
+          - enum:
+              - fsl,imx8mn-ocotp
+              # i.MX8MP not really compatible with fsl,imx8mm-ocotp, however
+              # the code for getting SoC revision depends on fsl,imx8mm-ocotp
+              # compatible.
+              - fsl,imx8mp-ocotp
+          - const: fsl,imx8mm-ocotp
+          - const: syscon
 
   reg:
     maxItems: 1
@@ -68,6 +76,8 @@ patternProperties:
 
     additionalProperties: false
 
+unevaluatedProperties: false
+
 examples:
   - |
     #include <dt-bindings/clock/imx6sx-clock.h>
diff --git a/dts/Bindings/nvmem/nvmem-consumer.yaml b/dts/Bindings/nvmem/nvmem-consumer.yaml
index b7c00ed310..d5d7f113ba 100644
--- a/dts/Bindings/nvmem/nvmem-consumer.yaml
+++ b/dts/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/dts/Bindings/nvmem/nvmem.yaml b/dts/Bindings/nvmem/nvmem.yaml
index b459f9dba6..7481a9e48f 100644
--- a/dts/Bindings/nvmem/nvmem.yaml
+++ b/dts/Bindings/nvmem/nvmem.yaml
@@ -67,6 +67,8 @@ patternProperties:
     required:
       - reg
 
+additionalProperties: true
+
 examples:
   - |
       #include <dt-bindings/gpio/gpio.h>
diff --git a/dts/Bindings/nvmem/qcom,qfprom.yaml b/dts/Bindings/nvmem/qcom,qfprom.yaml
index 59aca6d22f..1a18b6bab3 100644
--- a/dts/Bindings/nvmem/qcom,qfprom.yaml
+++ b/dts/Bindings/nvmem/qcom,qfprom.yaml
@@ -49,6 +49,8 @@ required:
   - compatible
   - reg
 
+unevaluatedProperties: false
+
 examples:
   - |
     #include <dt-bindings/clock/qcom,gcc-sc7180.h>
diff --git a/dts/Bindings/nvmem/qcom,spmi-sdam.yaml b/dts/Bindings/nvmem/qcom,spmi-sdam.yaml
index 7bbd4e6204..a835e64bc6 100644
--- a/dts/Bindings/nvmem/qcom,spmi-sdam.yaml
+++ b/dts/Bindings/nvmem/qcom,spmi-sdam.yaml
@@ -66,6 +66,8 @@ patternProperties:
 
     additionalProperties: false
 
+unevaluatedProperties: false
+
 examples:
   - |
       sdam_1: nvram@b000 {
diff --git a/dts/Bindings/nvmem/rockchip-efuse.yaml b/dts/Bindings/nvmem/rockchip-efuse.yaml
index 3ae00b0b23..104dd50856 100644
--- a/dts/Bindings/nvmem/rockchip-efuse.yaml
+++ b/dts/Bindings/nvmem/rockchip-efuse.yaml
@@ -51,6 +51,8 @@ required:
   - clocks
   - clock-names
 
+unevaluatedProperties: false
+
 examples:
   - |
     #include <dt-bindings/clock/rk3288-cru.h>
diff --git a/dts/Bindings/nvmem/snvs-lpgpr.txt b/dts/Bindings/nvmem/snvs-lpgpr.txt
deleted file mode 100644
index 3cb1708966..0000000000
--- a/dts/Bindings/nvmem/snvs-lpgpr.txt
+++ /dev/null
@@ -1,21 +0,0 @@
-Device tree bindings for Low Power General Purpose Register found in i.MX6Q/D
-and i.MX7 Secure Non-Volatile Storage.
-
-This DT node should be represented as a sub-node of a "syscon",
-"simple-mfd" node.
-
-Required properties:
-- compatible: should be one of the fallowing variants:
-	"fsl,imx6q-snvs-lpgpr" for Freescale i.MX6Q/D/DL/S
-	"fsl,imx6ul-snvs-lpgpr" for Freescale i.MX6UL
-	"fsl,imx7d-snvs-lpgpr" for Freescale i.MX7D/S
-
-Example:
-snvs: snvs@020cc000 {
-	compatible = "fsl,sec-v4.0-mon", "syscon", "simple-mfd";
-	reg = <0x020cc000 0x4000>;
-
-	snvs_lpgpr: snvs-lpgpr {
-		compatible = "fsl,imx6q-snvs-lpgpr";
-	};
-};
diff --git a/dts/Bindings/nvmem/snvs-lpgpr.yaml b/dts/Bindings/nvmem/snvs-lpgpr.yaml
new file mode 100644
index 0000000000..c819f0e903
--- /dev/null
+++ b/dts/Bindings/nvmem/snvs-lpgpr.yaml
@@ -0,0 +1,33 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/nvmem/snvs-lpgpr.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Low Power General Purpose Register found in i.MX Secure Non-Volatile Storage
+
+maintainers:
+  - Oleksij Rempel <o.rempel@pengutronix.de>
+
+properties:
+  compatible:
+    enum:
+      - fsl,imx6q-snvs-lpgpr
+      - fsl,imx6ul-snvs-lpgpr
+      - fsl,imx7d-snvs-lpgpr
+
+required:
+  - compatible
+
+additionalProperties: false
+
+examples:
+  - |
+    snvs@20cc000 {
+        compatible = "fsl,sec-v4.0-mon", "syscon", "simple-mfd";
+        reg = <0x20cc000 0x4000>;
+
+        snvs_lpgpr: snvs-lpgpr {
+            compatible = "fsl,imx6q-snvs-lpgpr";
+        };
+    };
diff --git a/dts/Bindings/nvmem/st,stm32-romem.yaml b/dts/Bindings/nvmem/st,stm32-romem.yaml
index c11c99f085..0b80ce22a2 100644
--- a/dts/Bindings/nvmem/st,stm32-romem.yaml
+++ b/dts/Bindings/nvmem/st,stm32-romem.yaml
@@ -42,6 +42,8 @@ required:
   - compatible
   - reg
 
+unevaluatedProperties: false
+
 examples:
   - |
     efuse@1fff7800 {
diff --git a/dts/Bindings/nvmem/vf610-ocotp.txt b/dts/Bindings/nvmem/vf610-ocotp.txt
index 56ed481c3e..72ba628f6d 100644
--- a/dts/Bindings/nvmem/vf610-ocotp.txt
+++ b/dts/Bindings/nvmem/vf610-ocotp.txt
@@ -2,7 +2,7 @@ On-Chip OTP Memory for Freescale Vybrid
 
 Required Properties:
   compatible:
-  - "fsl,vf610-ocotp" for VF5xx/VF6xx
+  - "fsl,vf610-ocotp", "syscon" for VF5xx/VF6xx
   #address-cells : Should be 1
   #size-cells : Should be 1
   reg : Address and length of OTP controller and fuse map registers
@@ -11,7 +11,7 @@ Required Properties:
 Example for Vybrid VF5xx/VF6xx:
 
 	ocotp: ocotp@400a5000 {
-		compatible = "fsl,vf610-ocotp";
+		compatible = "fsl,vf610-ocotp", "syscon";
 		#address-cells = <1>;
 		#size-cells = <1>;
 		reg = <0x400a5000 0xCF0>;