[PATCH] dt-bindings: arm: Add missing root node constraint for board/SoC bindings

[Rob Herring]

Board/SoC top-level compatible bindings should be constrained to the root
node. Add the missing constraints that the node name must be "/".

Cc: "Andreas Färber" <afaerber at suse.de>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
Cc: Baruch Siach <baruch at tkos.co.il>
Cc: Linus Walleij <linusw at kernel.org>
Cc: Imre Kaloz <kaloz at openwrt.org>
Cc: Krzysztof Halasa <khalasa at piap.pl>
Cc: Andy Gross <agross at kernel.org>
Cc: Bjorn Andersson <bjorn.andersson at linaro.org>
Cc: Maxime Coquelin <mcoquelin.stm32 at gmail.com>
Cc: Alexandre Torgue <alexandre.torgue at st.com>
Cc: Thierry Reding <thierry.reding at gmail.com>
Cc: Jonathan Hunter <jonathanh at nvidia.com>
Cc: Dinh Nguyen <dinguyen at kernel.org>
Cc: Anders Berg <anders.berg at lsi.com>
Cc: linux-arm-kernel at lists.infradead.org
Signed-off-by: Rob Herring <robh at kernel.org>
---
 Documentation/devicetree/bindings/arm/actions.yaml      | 2 ++
 Documentation/devicetree/bindings/arm/altera.yaml       | 2 ++
 Documentation/devicetree/bindings/arm/axxia.yaml        | 2 ++
 Documentation/devicetree/bindings/arm/bitmain.yaml      | 2 ++
 Documentation/devicetree/bindings/arm/digicolor.yaml    | 2 ++
 Documentation/devicetree/bindings/arm/intel-ixp4xx.yaml | 2 ++
 Documentation/devicetree/bindings/arm/qcom.yaml         | 2 ++
 Documentation/devicetree/bindings/arm/rda.yaml          | 2 ++
 Documentation/devicetree/bindings/arm/stm32/stm32.yaml  | 2 ++
 Documentation/devicetree/bindings/arm/tegra.yaml        | 2 ++
 10 files changed, 20 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/actions.yaml b/Documentation/devicetree/bindings/arm/actions.yaml
index ace3fdaa8396..14023f0a8552 100644
--- a/Documentation/devicetree/bindings/arm/actions.yaml
+++ b/Documentation/devicetree/bindings/arm/actions.yaml
@@ -11,6 +11,8 @@ maintainers:
   - Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
 
 properties:
+  $nodename:
+    const: "/"
   compatible:
     oneOf:
       # The Actions Semi S500 is a quad-core ARM Cortex-A9 SoC.
diff --git a/Documentation/devicetree/bindings/arm/altera.yaml b/Documentation/devicetree/bindings/arm/altera.yaml
index b388c5aa7984..0bc5020b7539 100644
--- a/Documentation/devicetree/bindings/arm/altera.yaml
+++ b/Documentation/devicetree/bindings/arm/altera.yaml
@@ -10,6 +10,8 @@ maintainers:
   - Dinh Nguyen <dinguyen at kernel.org>
 
 properties:
+  $nodename:
+    const: "/"
   compatible:
     items:
       - enum:
diff --git a/Documentation/devicetree/bindings/arm/axxia.yaml b/Documentation/devicetree/bindings/arm/axxia.yaml
index 98780a569f22..3ea5f2fdcd96 100644
--- a/Documentation/devicetree/bindings/arm/axxia.yaml
+++ b/Documentation/devicetree/bindings/arm/axxia.yaml
@@ -10,6 +10,8 @@ maintainers:
   - Anders Berg <anders.berg at lsi.com>
 
 properties:
+  $nodename:
+    const: "/"
   compatible:
     description: LSI AXM5516 Validation board (Amarillo)
     items:
diff --git a/Documentation/devicetree/bindings/arm/bitmain.yaml b/Documentation/devicetree/bindings/arm/bitmain.yaml
index 5cd5b36cff2d..5880083ab8d0 100644
--- a/Documentation/devicetree/bindings/arm/bitmain.yaml
+++ b/Documentation/devicetree/bindings/arm/bitmain.yaml
@@ -10,6 +10,8 @@ maintainers:
   - Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
 
 properties:
+  $nodename:
+    const: "/"
   compatible:
     items:
       - enum:
diff --git a/Documentation/devicetree/bindings/arm/digicolor.yaml b/Documentation/devicetree/bindings/arm/digicolor.yaml
index d9c80b827e9b..849e20518339 100644
--- a/Documentation/devicetree/bindings/arm/digicolor.yaml
+++ b/Documentation/devicetree/bindings/arm/digicolor.yaml
@@ -10,6 +10,8 @@ maintainers:
   - Baruch Siach <baruch at tkos.co.il>
 
 properties:
+  $nodename:
+    const: "/"
   compatible:
     const: cnxt,cx92755
 
diff --git a/Documentation/devicetree/bindings/arm/intel-ixp4xx.yaml b/Documentation/devicetree/bindings/arm/intel-ixp4xx.yaml
index f4f7451e5e8a..f18302efb90e 100644
--- a/Documentation/devicetree/bindings/arm/intel-ixp4xx.yaml
+++ b/Documentation/devicetree/bindings/arm/intel-ixp4xx.yaml
@@ -10,6 +10,8 @@ maintainers:
   - Linus Walleij <linus.walleij at linaro.org>
 
 properties:
+  $nodename:
+    const: "/"
   compatible:
     oneOf:
       - items:
diff --git a/Documentation/devicetree/bindings/arm/qcom.yaml b/Documentation/devicetree/bindings/arm/qcom.yaml
index 6031aee0f5a8..ae6284be9fef 100644
--- a/Documentation/devicetree/bindings/arm/qcom.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom.yaml
@@ -73,6 +73,8 @@ description: |
   foundry 2.
 
 properties:
+  $nodename:
+    const: "/"
   compatible:
     oneOf:
       - items:
diff --git a/Documentation/devicetree/bindings/arm/rda.yaml b/Documentation/devicetree/bindings/arm/rda.yaml
index 51cec2b63b04..9672aa0c760d 100644
--- a/Documentation/devicetree/bindings/arm/rda.yaml
+++ b/Documentation/devicetree/bindings/arm/rda.yaml
@@ -10,6 +10,8 @@ maintainers:
   - Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
 
 properties:
+  $nodename:
+    const: "/"
   compatible:
     items:
       - enum:
diff --git a/Documentation/devicetree/bindings/arm/stm32/stm32.yaml b/Documentation/devicetree/bindings/arm/stm32/stm32.yaml
index 790e6dd48e34..696a0101ebcc 100644
--- a/Documentation/devicetree/bindings/arm/stm32/stm32.yaml
+++ b/Documentation/devicetree/bindings/arm/stm32/stm32.yaml
@@ -10,6 +10,8 @@ maintainers:
   - Alexandre Torgue <alexandre.torgue at st.com>
 
 properties:
+  $nodename:
+    const: "/"
   compatible:
     oneOf:
       - items:
diff --git a/Documentation/devicetree/bindings/arm/tegra.yaml b/Documentation/devicetree/bindings/arm/tegra.yaml
index e0b3debaee9e..b4d53290c5f0 100644
--- a/Documentation/devicetree/bindings/arm/tegra.yaml
+++ b/Documentation/devicetree/bindings/arm/tegra.yaml
@@ -11,6 +11,8 @@ maintainers:
   - Jonathan Hunter <jonathanh at nvidia.com>
 
 properties:
+  $nodename:
+    const: "/"
   compatible:
     oneOf:
       - items:
-- 
2.25.1