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[v3,13/14] dt-bindings: mtd: nand-controller: Fix matching with size-cells==1

Message ID 20200904152404.20636-14-krzk@kernel.org
State New
Headers show
Series dt-bindings: Cleanup of i.MX 8 | expand

Commit Message

Krzysztof Kozlowski Sept. 4, 2020, 3:24 p.m. UTC 
Most of Freescale/NXP GPMI device trees use size-cells==1 (even when
actually not needed except few boards).  This fixes dtbs_check warnings
like:

    arch/arm64/boot/dts/freescale/imx8mm-beacon-kit.dt.yaml: nand-controller@33002000: #size-cells:0:0: 0 was expected

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
 Documentation/devicetree/bindings/mtd/nand-controller.yaml | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
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Patch

diff --git a/Documentation/devicetree/bindings/mtd/nand-controller.yaml b/Documentation/devicetree/bindings/mtd/nand-controller.yaml
index 40fc5b0b2b8c..0879e1108837 100644
--- a/Documentation/devicetree/bindings/mtd/nand-controller.yaml
+++ b/Documentation/devicetree/bindings/mtd/nand-controller.yaml
@@ -34,7 +34,10 @@  properties:
     const: 1
 
   "#size-cells":
-    const: 0
+    description:
+      Depends on your controller. Put zero unless you need a mapping between CS
+      lines and dedicated memory regions.
+    enum: [0, 1]
 
   ranges: true