[PATCH V1 2/2] regulator: aw37503: add device-tree binding

[like@awinic.com]

From: Alec Li <like@awinic.com>

Add aw37503 regulator device-tree binding documentation

Signed-off-by: Alec Li <like@awinic.com>
---
 .../bindings/regulator/awinic,aw37503.yaml    | 73 +++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/regulator/awinic,aw37503.yaml

diff --git a/Documentation/devicetree/bindings/regulator/awinic,aw37503.yaml b/Documentation/devicetree/bindings/regulator/awinic,aw37503.yaml
new file mode 100644
index 000000000000..0cd6fb001e20
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/awinic,aw37503.yaml
@@ -0,0 +1,73 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/regulator/awinic,aw37503.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Awinic AW37503 Voltage Regulator
+
+maintainers:
+  - Alec Li <like@awinic.com>
+
+description: |
+  The AW37503 is dual voltage regulator, designed to support positive/negative
+  supply for driving TFT-LCD panels. It support software-configurable output
+  switching and monitoring. The output voltages can be programmed via an I2C
+  compatible interface.
+
+properties:
+  compatible:
+    const:
+      - awinic,aw37503
+
+  reg:
+    maxItems: 1
+
+  patternProperties:
+    "^out[pn]$":
+      type: object
+      $ref: regulator.yaml#
+      unvaluatedproperties: false
+
+      required:
+        - regulator-name
+        - enable-gpios
+
+      additionalProperties: false
+
+required:
+  - compatible
+  - reg
+  - outp
+  - outn
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        aw37503@3e {
+            compatible = "awinic,aw37503";
+            reg = <0x3e>;
+
+            outp {
+                regulator-name = "outp";
+                regulator-boot-on;
+                regulator-always-on;
+                enable-gpios = <&gpio 17 0>;
+            };
+
+            outn {
+                regulator-name = "outn";
+                regulator-boot-on;
+                regulator-always-on;
+                enable-gpios = <&gpio 27 0>;
+            };
+        };
+    };
+...
-- 
2.41.0