Re: [PATCH v2 1/3] dt-bindings: mmc: controller: allow node name to be named slot@*

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Hi Rob, Krzysztof,


On 24/09/2024 11:12, Krzysztof Kozlowski wrote:
On Fri, Sep 20, 2024 at 10:38:03AM +0200, Neil Armstrong wrote:
In preparation of supporting the mmc-slot subnode, allow
the nodename to be either mmc@ or mmc-slot@

Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>
---
  Documentation/devicetree/bindings/mmc/mmc-controller.yaml | 4 +++-
  1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/mmc/mmc-controller.yaml b/Documentation/devicetree/bindings/mmc/mmc-controller.yaml
index 58ae298cd2fc..f797c32ea688 100644
--- a/Documentation/devicetree/bindings/mmc/mmc-controller.yaml
+++ b/Documentation/devicetree/bindings/mmc/mmc-controller.yaml
@@ -20,7 +20,9 @@ description: |
properties:
    $nodename:
-    pattern: "^mmc(@.*)?$"
+    oneOf:
+      - pattern: "^mmc(@.*)?$"
+      - pattern: "^slot(@.*)?$"

I don't think mmc-slot is allowed by this.

This should be squashed with mmc-slot child patch. It does not make
sense to allow mmc-slots if there are no mmc-slots.

Right, I don't like this oneOf/pattern, slot@(@.*)? should really only be for slots,
by I do not see how this can be achieved because we can't override properties: pattern.

Do you have any suggestions ?

Neil


Best regards,
Krzysztof






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