linux-kernel - [PATCH 01/12] dt-bindings: phy: mediatek,hdmi-phy: Fix clock output names for MT8195

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Message-Id: <20251209-mtk-genio-evk-hdmi-support-v1-1-9a6106effba6@collabora.com>
Date: Tue, 09 Dec 2025 17:34:31 +0100
From: Louis-Alexis Eyraud <louisalexis.eyraud@...labora.com>
To: Chunfeng Yun <chunfeng.yun@...iatek.com>, Vinod Koul <vkoul@...nel.org>, 
 Neil Armstrong <neil.armstrong@...aro.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Matthias Brugger <matthias.bgg@...il.com>, 
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
 Chun-Kuang Hu <chunkuang.hu@...nel.org>, 
 Philipp Zabel <p.zabel@...gutronix.de>, 
 Guillaume Ranquet <granquet@...libre.com>
Cc: kernel@...labora.com, Krzysztof Kozlowski <krzk@...nel.org>, 
 linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org, 
 linux-phy@...ts.infradead.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, 
 Louis-Alexis Eyraud <louisalexis.eyraud@...labora.com>
Subject: [PATCH 01/12] dt-bindings: phy: mediatek,hdmi-phy: Fix clock
 output names for MT8195

From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>

For all of the HDMI PHYs compatible with the one found on MT8195
the output clock has a different datasheet name and specifically
it is called "hdmi_txpll", differently from the older HDMI PHYs
which output block is called "hdmitx_dig_cts".

Replace clock output name string check by max item number one to allow
the new name on all of the HDMI PHY IPs that are perfectly compatible
with MT8195.

Fixes: c78fe548b062 ("dt-bindings: phy: mediatek: hdmi-phy: Add mt8195 compatible")
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
[Louis-Alexis Eyraud: splitted patch, addressed previous feedback from
mailing list, and reworded description]
Signed-off-by: Louis-Alexis Eyraud <louisalexis.eyraud@...labora.com>
---
 Documentation/devicetree/bindings/phy/mediatek,hdmi-phy.yaml | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/phy/mediatek,hdmi-phy.yaml b/Documentation/devicetree/bindings/phy/mediatek,hdmi-phy.yaml
index f3a8b0b745d13ffc55d391570bff20830d925ed3..10f1d9326f18dba85b92b4c88f4c0f6cdddc4c25 100644
--- a/Documentation/devicetree/bindings/phy/mediatek,hdmi-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/mediatek,hdmi-phy.yaml
@@ -42,8 +42,7 @@ properties:
       - const: pll_ref
 
   clock-output-names:
-    items:
-      - const: hdmitx_dig_cts
+    maxItems: 1
 
   "#phy-cells":
     const: 0

-- 
2.52.0