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Message-Id: <20230811130700.72787-1-eugen.hristev@collabora.com>
Date: Fri, 11 Aug 2023 16:06:59 +0300
From: Eugen Hristev <eugen.hristev@...labora.com>
To: linux-mediatek@...ts.infradead.org
Cc: krzysztof.kozlowski+dt@...aro.org, robh+dt@...nel.org,
matthias.bgg@...il.com, angelogioacchino.delregno@...labora.com,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, conor+dt@...nel.org,
kernel@...labora.com, Eugen Hristev <eugen.hristev@...labora.com>
Subject: [PATCH 1/2] dt-bindings: phy: mediatek,tphy: allow simple nodename pattern
The pattern for the nodename only allows t-phy@... , however, for the case
when the t-phy has no `reg` and only `ranges` (basically when the t-phy
is just a parent node), dtc will throw this warning:
Warning (unit_address_vs_reg): /t-phy@...43000: node has a unit name, but no reg or ranges property
For a node like this:
sata_phy: t-phy@...43000 {
ranges;
sata_port: sata-phy@...43000 {
reg = <0 0x1a243000 0 0x0100>;
};
};
it is normal that the parent node 't-phy' would be without any address, as in:
sata_phy: t-phy {
ranges;
sata_port: sata-phy@...43000 {
reg = <0 0x1a243000 0 0x0100>;
};
};
because being just a holder it does not have its own reg.
However the binding does not allow such a name for the t-phy, so with this
patch, making the `@[0-9a-f]+` part optional, such node is possible.
Signed-off-by: Eugen Hristev <eugen.hristev@...labora.com>
---
Documentation/devicetree/bindings/phy/mediatek,tphy.yaml | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
index 230a17f24966..2bb91542e984 100644
--- a/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
+++ b/Documentation/devicetree/bindings/phy/mediatek,tphy.yaml
@@ -64,7 +64,7 @@ description: |
properties:
$nodename:
- pattern: "^t-phy@[0-9a-f]+$"
+ pattern: "^t-phy(@[0-9a-f]+)?$"
compatible:
oneOf:
--
2.34.1
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