linux-kernel - [PATCH v2 1/7] dt-bindings: backlight: qcom-wled: Document ovp values for PMI8994

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Message-Id: <20260108-pmi8950-wled-v2-1-8687f23147d7@mainlining.org>
Date: Thu, 08 Jan 2026 04:43:19 +0100
From: Barnabás Czémán <barnabas.czeman@...nlining.org>
To: Lee Jones <lee@...nel.org>, Daniel Thompson <danielt@...nel.org>, 
 Jingoo Han <jingoohan1@...il.com>, Pavel Machek <pavel@...nel.org>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Bjorn Andersson <andersson@...nel.org>, 
 Kiran Gunda <quic_kgunda@...cinc.com>, Helge Deller <deller@....de>, 
 Luca Weiss <luca@...aweiss.eu>, Konrad Dybcio <konradybcio@...nel.org>, 
 Eugene Lepshy <fekz115@...il.com>, Gianluca Boiano <morf3089@...il.com>, 
 Alejandro Tafalla <atafalla@...on.com>
Cc: dri-devel@...ts.freedesktop.org, linux-leds@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Daniel Thompson <daniel.thompson@...aro.org>, linux-arm-msm@...r.kernel.org, 
 linux-fbdev@...r.kernel.org, Konrad Dybcio <konrad.dybcio@....qualcomm.com>, 
 Barnabás Czémán <barnabas.czeman@...nlining.org>
Subject: [PATCH v2 1/7] dt-bindings: backlight: qcom-wled: Document ovp
 values for PMI8994

Document ovp values supported by wled found in PMI8994.

Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Signed-off-by: Barnabás Czémán <barnabas.czeman@...nlining.org>
---
 .../bindings/leds/backlight/qcom-wled.yaml         | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml b/Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml
index a8490781011d..19166186a1ff 100644
--- a/Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml
+++ b/Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml
@@ -98,8 +98,8 @@ properties:
     description: |
       Over-voltage protection limit. This property is for WLED4 only.
     $ref: /schemas/types.yaml#/definitions/uint32
-    enum: [ 18100, 19600, 29600, 31100 ]
-    default: 29600
+    minimum: 17800
+    maximum: 31100
 
   qcom,num-strings:
     description: |
@@ -239,6 +239,24 @@ allOf:
           minimum: 0
           maximum: 4095
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: qcom,pmi8994-wled
+
+    then:
+      properties:
+        qcom,ovp-millivolt:
+          enum: [ 17800, 19400, 29500, 31000 ]
+          default: 29500
+
+    else:
+      properties:
+        qcom,ovp-millivolt:
+          enum: [ 18100, 19600, 29600, 31100 ]
+          default: 29600
+
 required:
   - compatible
   - reg

-- 
2.52.0