[PATCH 2/2] leds: meter: add leds-meter binding

[Akinobu Mita <akinobu.mita@gmail.com>]

Add DT binding for leds-meter.

Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Bjorn Andersson <bjorn@kryo.se>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Jean-Jacques Hiblot <jjhiblot@ti.com>
Cc: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Dan Murphy <dmurphy@ti.com>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
---
 .../devicetree/bindings/leds/leds-meter.yaml       | 42 ++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/leds/leds-meter.yaml

diff --git a/Documentation/devicetree/bindings/leds/leds-meter.yaml b/Documentation/devicetree/bindings/leds/leds-meter.yaml
new file mode 100644
index 0000000..d5dfa261
--- /dev/null
+++ b/Documentation/devicetree/bindings/leds/leds-meter.yaml
@@ -0,0 +1,42 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/leds/leds-meter.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Generic LED level meter
+
+maintainers:
+  - Akinobu Mita <akinobu.mita@gmail.com>
+
+description:
+  Generic LED level meter consists of multiple LED devices by different drivers.
+
+properties:
+  compatible:
+    const: meter-leds
+
+  leds:
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    minItems: 1
+    description: List of phandles to LED node that are members of a level meter.
+
+  brightness-weights:
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+    minItems: 1
+    description: Each integer represents a contribution ratio within a level
+      meter.
+
+required:
+ - compatible
+ - leds
+
+examples:
+  - |
+    leds {
+        compatible = "meter-leds";
+        leds = <&led0>, <&led1>, <&led2>, <&led3>;
+        brightness-weights = <3 1 1 1>;
+    };
+
+...
-- 
2.7.4