Add documentation for the ESP32xx UART controllers. Signed-off-by: Max Filippov <jcmvbkbc@xxxxxxxxx> --- .../bindings/serial/esp,esp32-uart.yaml | 48 +++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 Documentation/devicetree/bindings/serial/esp,esp32-uart.yaml diff --git a/Documentation/devicetree/bindings/serial/esp,esp32-uart.yaml b/Documentation/devicetree/bindings/serial/esp,esp32-uart.yaml new file mode 100644 index 000000000000..8b45ef808107 --- /dev/null +++ b/Documentation/devicetree/bindings/serial/esp,esp32-uart.yaml @@ -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@xxxxxxxxx> + +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>; + }; -- 2.30.2
