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Subject[PATCH] dt-bindings: mfd: Ensure 'syscon' has a more specific compatible
Date
Using 'syscon' alone should be avoided as compatible strings should be
specific enough to identify the exact set of registers contained. Update
the schema to ensure at least 2 compatible strings are present.

Cc: Lee Jones <lee.jones@linaro.org>
Cc: Maxime Ripard <maxime@cerno.tech>
Signed-off-by: Rob Herring <robh@kernel.org>
---
FYI, there's 43 cases of this on arm32 in my testing.

Documentation/devicetree/bindings/mfd/syscon.yaml | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mfd/syscon.yaml b/Documentation/devicetree/bindings/mfd/syscon.yaml
index 19bdaf781853..af7a68051392 100644
--- a/Documentation/devicetree/bindings/mfd/syscon.yaml
+++ b/Documentation/devicetree/bindings/mfd/syscon.yaml
@@ -43,7 +43,8 @@ properties:

- contains:
const: syscon
- additionalItems: true
+ minItems: 2
+ maxItems: 4 # Should be enough

reg:
maxItems: 1
--
2.25.1
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