[PATCH v3 1/3] dt-bindings: gpio: Add imx scu gpio driver bindings

[Shenwei Wang]

Add binding document for the imx scu gpio driver.

Signed-off-by: Shenwei Wang <shenwei.wang@xxxxxxx>
---
 .../bindings/gpio/fsl,imx-sc-gpio.yaml        | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/gpio/fsl,imx-sc-gpio.yaml

diff --git a/Documentation/devicetree/bindings/gpio/fsl,imx-sc-gpio.yaml b/Documentation/devicetree/bindings/gpio/fsl,imx-sc-gpio.yaml
new file mode 100644
index 000000000000..66abff316c0c
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/fsl,imx-sc-gpio.yaml
@@ -0,0 +1,40 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpio/fsl,imx-sc-gpio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: GPIO driver over IMX SCU firmware API
+
+maintainers:
+  - Shenwei Wang <shenwei.wang@xxxxxxx>
+
+description: |
+  This module provides the standard interface to control the
+  resource pins in SCU domain on i.MX8 platforms.
+
+properties:
+  compatible:
+    enum:
+      - fsl,imx8qxp-sc-gpio
+      - fsl,imx-scu-gpio
+
+  "#gpio-cells":
+    const: 2
+
+  gpio-controller: true
+
+required:
+  - compatible
+  - "#gpio-cells"
+  - gpio-controller
+
+additionalProperties: false
+
+examples:
+  - |
+    gpio0: gpio {
+        compatible = "fsl,imx8qxp-sc-gpio";
+        gpio-controller;
+        #gpio-cells = <2>;
+    };
-- 
2.25.1