[PATCH 5/7] spi: dt-bindings: restrict node name suffixes

[Krzysztof Kozlowski]

Make the pattern matching node names a bit stricter to improve DTS
consistency.  The pattern is restricted to:
1. Only one unit address or one -N suffix,
2. -N suffixes to decimal numbers.

Suggested-by: Rob Herring <robh at kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>

---

Cc: Tony Lindgren <tony at atomide.com>
Cc: Oleksij Rempel <o.rempel at pengutronix.de>
---
 Documentation/devicetree/bindings/spi/spi-controller.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/spi/spi-controller.yaml b/Documentation/devicetree/bindings/spi/spi-controller.yaml
index 90945f59b7e8..524f6fe8c27b 100644
--- a/Documentation/devicetree/bindings/spi/spi-controller.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-controller.yaml
@@ -17,7 +17,7 @@ description: |
 
 properties:
   $nodename:
-    pattern: "^spi(@.*|-[0-9a-f])*$"
+    pattern: "^spi(@.*|-([0-9]|[1-9][0-9]+))?$"
 
   "#address-cells":
     enum: [0, 1]
-- 
2.34.1