linux-kernel - [PATCH V5 3/4] backlight: qcom-wled: Add WLED5 bindings

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Date:   Tue,  7 Apr 2020 21:17:09 +0530
From:   Kiran Gunda <kgunda@...eaurora.org>
To:     bjorn.andersson@...aro.org, jingoohan1@...il.com,
        lee.jones@...aro.org, b.zolnierkie@...sung.com,
        dri-devel@...ts.freedesktop.org, daniel.thompson@...aro.org,
        jacek.anaszewski@...il.com, pavel@....cz, robh+dt@...nel.org,
        mark.rutland@....com, linux-leds@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Dan Murphy <dmurphy@...com>
Cc:     linux-arm-msm@...r.kernel.org, Kiran Gunda <kgunda@...eaurora.org>,
        Subbaraman Narayanamurthy <subbaram@...eaurora.org>
Subject: [PATCH V5 3/4] backlight: qcom-wled: Add WLED5 bindings

Add WLED5 specific bindings.

Signed-off-by: Kiran Gunda <kgunda@...eaurora.org>
Signed-off-by: Subbaraman Narayanamurthy <subbaram@...eaurora.org>
---
 .../bindings/leds/backlight/qcom-wled.yaml         | 60 ++++++++++++++++++++--
 1 file changed, 57 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml b/Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml
index 770e780..5714631 100644
--- a/Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml
+++ b/Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml
@@ -21,6 +21,7 @@ properties:
       - qcom,pm8941-wled
       - qcom,pmi8998-wled
       - qcom,pm660l-wled
+      - qcom,pm8150l-wled
 
   reg:
     maxItems: 1
@@ -28,12 +29,13 @@ properties:
   default-brightness:
     description:
       brightness value on boot.
-    minimum: 0
-    maximum: 4095
-    default: 2048
 
   label: true
 
+  max-brightness:
+    description:
+      Maximum brightness level.
+
   qcom,cs-out:
     description:
       enable current sink output.
@@ -130,6 +132,31 @@ properties:
       This feature is not supported for WLED3.
     type: boolean
 
+  qcom,modulator-sel:
+    description:
+      Selects the modulator used for brightness modulation.
+      Allowed values are,
+           0 - Modulator A
+           1 - Modulator B
+      This property is applicable only to WLED5 peripheral.
+    allOf:
+      - $ref: /schemas/types.yaml#/definitions/uint32
+      - enum: [ 0, 1 ]
+      - default: 0
+
+  qcom,cabc-sel:
+    description:
+      Selects the CABC pin signal used for brightness modulation.
+      Allowed values are,
+           0 - CABC disabled
+           1 - CABC 1
+           2 - CABC 2
+           3 - External signal (e.g. LPG) is used for dimming
+      This property is applicable only to WLED5 peripheral.
+    allOf:
+      - $ref: /schemas/types.yaml#/definitions/uint32
+      - enum: [ 0, 1, 2, 3 ]
+
 allOf:
   - if:
       properties:
@@ -179,6 +206,33 @@ allOf:
             - const: ovp
             - const: short
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,pm8150l-wled
+
+    then:
+      properties:
+        default-brightness:
+          minimum: 0
+          maximum: 32767
+        
+        max-brightness:
+          minimum: 0
+          maximum: 32767
+
+    else:
+      properties:
+        default-brightness:
+            minimum: 0
+            maximum: 4095
+        
+        max-brightness:
+          minimum: 0
+          maximum: 4095
+
 required:
   - compatible
   - reg
-- 
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