11 files changed, 28 insertions, 5 deletions
diff --git a/dts/Bindings/dma/allwinner,sun50i-a64-dma.yaml b/dts/Bindings/dma/allwinner,sun50i-a64-dma.yaml
index 9e53472be1..372679dbd2 100644
--- a/dts/Bindings/dma/allwinner,sun50i-a64-dma.yaml
+++ b/dts/Bindings/dma/allwinner,sun50i-a64-dma.yaml
@@ -19,9 +19,12 @@ properties:
     description: The cell is the request line number.
 
   compatible:
-    enum:
-      - allwinner,sun50i-a64-dma
-      - allwinner,sun50i-h6-dma
+    oneOf:
+      - const: allwinner,sun50i-a64-dma
+      - const: allwinner,sun50i-h6-dma
+      - items:
+          - const: allwinner,sun8i-r40-dma
+          - const: allwinner,sun50i-a64-dma
 
   reg:
     maxItems: 1
diff --git a/dts/Bindings/dma/dma-common.yaml b/dts/Bindings/dma/dma-common.yaml
index c365926833..307b499e89 100644
--- a/dts/Bindings/dma/dma-common.yaml
+++ b/dts/Bindings/dma/dma-common.yaml
@@ -49,3 +49,5 @@ properties:
 
 required:
   - "#dma-cells"
+
+additionalProperties: true
diff --git a/dts/Bindings/dma/dma-controller.yaml b/dts/Bindings/dma/dma-controller.yaml
index c39f6de766..0043b91da9 100644
--- a/dts/Bindings/dma/dma-controller.yaml
+++ b/dts/Bindings/dma/dma-controller.yaml
@@ -17,6 +17,8 @@ properties:
   $nodename:
     pattern: "^dma-controller(@.*)?$"
 
+additionalProperties: true
+
 examples:
   - |
     dma: dma-controller@48000000 {
diff --git a/dts/Bindings/dma/dma-router.yaml b/dts/Bindings/dma/dma-router.yaml
index 5b5f073931..4cee5667b8 100644
--- a/dts/Bindings/dma/dma-router.yaml
+++ b/dts/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/dts/Bindings/dma/ingenic,dma.yaml b/dts/Bindings/dma/ingenic,dma.yaml
index 92794c5005..00f19b3cac 100644
--- a/dts/Bindings/dma/ingenic,dma.yaml
+++ b/dts/Bindings/dma/ingenic,dma.yaml
@@ -62,6 +62,8 @@ required:
   - interrupts
   - clocks
 
+unevaluatedProperties: false
+
 examples:
   - |
     #include <dt-bindings/clock/jz4780-cgu.h>
diff --git a/dts/Bindings/dma/renesas,rcar-dmac.yaml b/dts/Bindings/dma/renesas,rcar-dmac.yaml
index 13f1a46be4..b548e47239 100644
--- a/dts/Bindings/dma/renesas,rcar-dmac.yaml
+++ b/dts/Bindings/dma/renesas,rcar-dmac.yaml
@@ -16,6 +16,7 @@ properties:
   compatible:
     items:
       - enum:
+          - renesas,dmac-r8a7742  # RZ/G1H
           - renesas,dmac-r8a7743  # RZ/G1M
           - renesas,dmac-r8a7744  # RZ/G1N
           - renesas,dmac-r8a7745  # RZ/G1E
diff --git a/dts/Bindings/dma/snps,dma-spear1340.yaml b/dts/Bindings/dma/snps,dma-spear1340.yaml
index 20870f5c14..ef1d6879c1 100644
--- a/dts/Bindings/dma/snps,dma-spear1340.yaml
+++ b/dts/Bindings/dma/snps,dma-spear1340.yaml
@@ -18,12 +18,15 @@ properties:
     const: snps,dma-spear1340
 
   "#dma-cells":
-    const: 3
+    minimum: 3
+    maximum: 4
     description: |
       First cell is a phandle pointing to the DMA controller. Second one is
       the DMA request line number. Third cell is the memory master identifier
       for transfers on dynamically allocated channel. Fourth cell is the
-      peripheral master identifier for transfers on an allocated channel.
+      peripheral master identifier for transfers on an allocated channel. Fifth
+      cell is an optional mask of the DMA channels permitted to be allocated
+      for the corresponding client device.
 
   reg:
     maxItems: 1
diff --git a/dts/Bindings/dma/st,stm32-dma.yaml b/dts/Bindings/dma/st,stm32-dma.yaml
index 71987878e4..2a5325f480 100644
--- a/dts/Bindings/dma/st,stm32-dma.yaml
+++ b/dts/Bindings/dma/st,stm32-dma.yaml
@@ -81,6 +81,8 @@ required:
   - clocks
   - interrupts
 
+unevaluatedProperties: false
+
 examples:
   - |
     #include <dt-bindings/interrupt-controller/arm-gic.h>
diff --git a/dts/Bindings/dma/st,stm32-dmamux.yaml b/dts/Bindings/dma/st,stm32-dmamux.yaml
index 915bc4af95..c8d2b51d84 100644
--- a/dts/Bindings/dma/st,stm32-dmamux.yaml
+++ b/dts/Bindings/dma/st,stm32-dmamux.yaml
@@ -33,6 +33,8 @@ required:
   - reg
   - dma-masters
 
+unevaluatedProperties: false
+
 examples:
   - |
     #include <dt-bindings/interrupt-controller/arm-gic.h>
diff --git a/dts/Bindings/dma/st,stm32-mdma.yaml b/dts/Bindings/dma/st,stm32-mdma.yaml
index c66543d0c2..c30be840be 100644
--- a/dts/Bindings/dma/st,stm32-mdma.yaml
+++ b/dts/Bindings/dma/st,stm32-mdma.yaml
@@ -84,6 +84,8 @@ required:
   - clocks
   - interrupts
 
+unevaluatedProperties: false
+
 examples:
   - |
     #include <dt-bindings/interrupt-controller/arm-gic.h>
diff --git a/dts/Bindings/dma/ti/k3-udma.yaml b/dts/Bindings/dma/ti/k3-udma.yaml
index dd70ddab4f..9a87fd9041 100644
--- a/dts/Bindings/dma/ti/k3-udma.yaml
+++ b/dts/Bindings/dma/ti/k3-udma.yaml
@@ -141,6 +141,8 @@ then:
   required:
     - ti,udma-atype
 
+unevaluatedProperties: false
+
 examples:
   - |+
     cbass_main {