[PATCH 1/2] dt-bindings: sound: add Everest ES7202

[Jun Yan]

Add the device-tree bindings for the Everest ES7202, a 2-channel PDM
analog-to-digital converter controlled over I2C.

Signed-off-by: Jun Yan <jerrysteve1101 at gmail.com>
---
 .../bindings/sound/everest,es7202.yaml        | 56 +++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/everest,es7202.yaml

diff --git a/Documentation/devicetree/bindings/sound/everest,es7202.yaml b/Documentation/devicetree/bindings/sound/everest,es7202.yaml
new file mode 100644
index 000000000000..ce98d2d600d4
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/everest,es7202.yaml
@@ -0,0 +1,56 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/sound/everest,es7202.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Everest ES7202 2 channel PDM analog to digital converter
+
+maintainers:
+  - Jun Yan <jerrysteve1101 at gmail.com>
+
+properties:
+  compatible:
+    enum:
+      - everest,es7202
+
+  reg:
+    maxItems: 1
+
+  reset-gpios:
+    maxItems: 1
+    description: GPIO connected to the reset pin (active low)
+
+  vdd-supply:
+    description: Main power supply, 1.8 V or 3.3 V. Optional; defaults to 3.3 V
+
+  "#sound-dai-cells":
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - "#sound-dai-cells"
+
+allOf:
+  - $ref: dai-common.yaml#
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        es7202: codec at 30 {
+            compatible = "everest,es7202";
+            reg = <0x30>;
+            #sound-dai-cells = <0>;
+            reset-gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;
+            vdd-supply = <&vcc3v3_sys>;
+        };
+    };
+...
-- 
2.56.0