1 files changed, 63 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/gpio/x-powers,axp209-gpio.yaml b/Documentation/devicetree/bindings/gpio/x-powers,axp209-gpio.yaml
new file mode 100644
index 0000000000..5eeb29bcdd
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+++ b/Documentation/devicetree/bindings/gpio/x-powers,axp209-gpio.yaml
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpio/x-powers,axp209-gpio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: X-Powers AXP209 GPIO
+
+maintainers:
+  - Chen-Yu Tsai <wens@csie.org>
+
+properties:
+  "#gpio-cells":
+    const: 2
+    description: >
+      The first cell is the pin number and the second is the GPIO flags.
+
+  compatible:
+    oneOf:
+      - enum:
+          - x-powers,axp209-gpio
+          - x-powers,axp221-gpio
+          - x-powers,axp813-gpio
+      - items:
+          - enum:
+              - x-powers,axp223-gpio
+              - x-powers,axp809-gpio
+          - const: x-powers,axp221-gpio
+      - items:
+          - const: x-powers,axp803-gpio
+          - const: x-powers,axp813-gpio
+
+  gpio-controller: true
+
+patternProperties:
+  "^.*-pins?$":
+    $ref: /schemas/pinctrl/pinmux-node.yaml#
+    additionalProperties: false
+
+    properties:
+      pins:
+        items:
+          enum:
+            - GPIO0
+            - GPIO1
+            - GPIO2
+            - GPIO3
+
+      function:
+        enum:
+          - adc
+          - ldo
+          - gpio_in
+          - gpio_out
+
+required:
+  - compatible
+  - "#gpio-cells"
+  - gpio-controller
+
+additionalProperties: false
+
+...