linux-kernel - [PATCH v2 1/3] dt-bindings: arm: qcom: Add Asus Zenbook A14 UX3407QA LCD/OLED variants

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Message-Id: <20250926-zenbook-improvements-v2-1-c0b512ab6b57@vinarskis.com>
Date: Fri, 26 Sep 2025 09:08:52 +0200
From: Aleksandrs Vinarskis <alex@...arskis.com>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, 
 Jens Glathe <jens.glathe@...schoolsolutions.biz>, 
 Aleksandrs Vinarskis <alex@...arskis.com>, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v2 1/3] dt-bindings: arm: qcom: Add Asus Zenbook A14
 UX3407QA LCD/OLED variants

X1/X1 Plus variant of the said device comes in either FHD+ OLED or FHD+
LCD panel, and shares the same model number UX3407QA. It appears LCD
panel's brightness adjustment is PWM backlight controlled, so a
dedicated device-tree is required. Introduce dedicated compatibles with
fallback to 'asus,zenbook-a14-ux3407qa' as they are otherwise the same.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Signed-off-by: Aleksandrs Vinarskis <alex@...arskis.com>
---
 Documentation/devicetree/bindings/arm/qcom.yaml | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/arm/qcom.yaml b/Documentation/devicetree/bindings/arm/qcom.yaml
index 18b5ed044f9fcc4d12f4e3baa001099b6e154af7..abdc39c025aae0ca5cdf77c58ab0e3cbe47c5108 100644
--- a/Documentation/devicetree/bindings/arm/qcom.yaml
+++ b/Documentation/devicetree/bindings/arm/qcom.yaml
@@ -1083,7 +1083,13 @@ properties:
 
       - items:
           - enum:
-              - asus,zenbook-a14-ux3407qa
+              - asus,zenbook-a14-ux3407qa-lcd
+              - asus,zenbook-a14-ux3407qa-oled
+          - const: asus,zenbook-a14-ux3407qa
+          - const: qcom,x1p42100
+
+      - items:
+          - enum:
               - hp,omnibook-x14-fe1
               - lenovo,thinkbook-16
               - qcom,x1p42100-crd

-- 
2.51.0