[PATCH v4 2/2] dt-bindings: leds: backlight: Add Kinetic KTZ8866 backlight

[Jianhua Lu]

Add Kinetic KTZ8866 backlight binding documentation.

Signed-off-by: Jianhua Lu <lujianhua000@xxxxxxxxx>
---
Changes in v2:
  - Remove "items" between "compatible" and "const: kinetic,ktz8866"
  - Change "additionalProperties" to "unevaluatedProperties"

Changes in v3:
  - Add Krzysztof's R-b

Changes in v4:
  - Drop Krzysztof's R-b
  - Add some new properties

 .../leds/backlight/kinetic,ktz8866.yaml       | 54 +++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/leds/backlight/kinetic,ktz8866.yaml

diff --git a/Documentation/devicetree/bindings/leds/backlight/kinetic,ktz8866.yaml b/Documentation/devicetree/bindings/leds/backlight/kinetic,ktz8866.yaml
new file mode 100644
index 000000000000..18571d69accb
--- /dev/null
+++ b/Documentation/devicetree/bindings/leds/backlight/kinetic,ktz8866.yaml
@@ -0,0 +1,54 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/leds/backlight/kinetic,ktz8866.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Kinetic Technologies KTZ8866 backlight
+
+maintainers:
+  - Jianhua Lu <lujianhua000@xxxxxxxxx>
+
+description: |
+  The Kinetic Technologies KTZ8866 is a high efficiency 6-sinks led backlight
+  with dual lcd bias power.
+  https://www.kinet-ic.com/ktz8866/
+
+allOf:
+  - $ref: common.yaml#
+
+properties:
+  compatible:
+    const: kinetic,ktz8866
+
+  current-num-sinks:
+    description: Number of LED current sinks.
+
+  current-ramping-time:
+    description: LED current ramping time.
+
+  led-ramping-time:
+    description: LED on/off ramping time.
+
+  enable-lcd-bias:
+    description: Set if we want to output bias power supply for LCD.
+    type: boolean
+
+required:
+  - compatible
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    backlight {
+        compatible = "kinetic,ktz8866";
+
+        pinctrl-names = "default";
+        pinctrl-0 = <&bl_en_default>;
+
+        current-num-sinks = <5>;
+        current-ramping-time = <128>;
+        led-ramping-time = <1>;
+        enable-lcd-bias;
+    };
-- 
2.38.2