new file mode 100644
@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/serial/esp,esp32-uart.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ESP32 UART controller
+
+maintainers:
+ - Max Filippov <jcmvbkbc@gmail.com>
+
+description: |
+ ESP32 UART controller is a part of ESP32 SoC series.
+
+properties:
+ compatible:
+ oneOf:
+ - description: UART controller for the ESP32 SoC
+ const: esp,esp32-uart
+ - description: UART controller for the ESP32S3 SoC
+ const: esp,esp32s3-uart
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+
+additionalProperties: false
+
+examples:
+ - |
+ serial0: serial@60000000 {
+ compatible = "esp,esp32s3-uart";
+ reg = <0x60000000 0x80>;
+ interrupts = <27 1 0>;
+ clocks = <&serial_clk>;
+ };
Add documentation for the ESP32xx UART controllers. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> --- .../bindings/serial/esp,esp32-uart.yaml | 48 +++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 Documentation/devicetree/bindings/serial/esp,esp32-uart.yaml