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From:   Kiran Gunda <kgunda@codeaurora.org>
To:     bjorn.andersson@linaro.org, jingoohan1@gmail.com,
        lee.jones@linaro.org, b.zolnierkie@samsung.com,
        dri-devel@lists.freedesktop.org, daniel.thompson@linaro.org,
        jacek.anaszewski@gmail.com, pavel@ucw.cz, robh+dt@kernel.org,
        mark.rutland@arm.com, robh@kernel.org, linux-leds@vger.kernel.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        Dan Murphy <dmurphy@ti.com>
Cc:     linux-arm-msm@vger.kernel.org, Kiran Gunda <kgunda@codeaurora.org>,
        Subbaraman Narayanamurthy <subbaram@codeaurora.org>
Subject: [PATCH V6 3/4] backlight: qcom-wled: Add WLED5 bindings
Date:   Thu, 23 Apr 2020 21:03:36 +0530
Message-Id: <1587656017-27911-4-git-send-email-kgunda@codeaurora.org>
In-Reply-To: <1587656017-27911-1-git-send-email-kgunda@codeaurora.org>
References: <1587656017-27911-1-git-send-email-kgunda@codeaurora.org>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Add WLED5 specific bindings.

Signed-off-by: Kiran Gunda <kgunda@codeaurora.org>
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
---
 .../bindings/leds/backlight/qcom-wled.yaml         | 59 ++++++++++++++++++++--
 1 file changed, 56 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml b/Documentation/devicetree/bindings/leds/backlight/qcom-wled.yaml
index b835443b..01c7d93 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.
@@ -141,6 +143,31 @@ properties:
       - const: ovp
       - const: short
 
+  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:
@@ -183,6 +210,32 @@ allOf:
 
         interrupt-names:
           minItems: 2
+  - 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
-- 
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