[PATCH tty-next 1/2] dt-bindings: serial: ni,ni16650: add bindings

Brenda Streiff
2023-03-29T17:06:27Z

Add bindings for the NI 16550 UART.

Signed-off-by: Brenda Streiff <brenda.streiff@ni.com>
Cc: Gratian Crisan <gratian.crisan@ni.com>
Cc: Jason Smith <jason.smith@ni.com>
---
.../bindings/serial/ni,ni16550.yaml | 53 +++++++++++++++++++
1 file changed, 53 insertions(+)
create mode 100644 Documentation/devicetree/bindings/serial/ni,ni16550.yaml

diff --git a/Documentation/devicetree/bindings/serial/ni,ni16550.yaml b/Documentation/devicetree/bindings/serial/ni,ni16550.yaml
new file mode 100644
index 000000000000..4ac1c96726f8
--- /dev/null
+++ b/Documentation/devicetree/bindings/serial/ni,ni16550.yaml
@@ -0,0 +1,53 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/serial/ni,ni16550.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NI 16550 asynchronous serial interface (UART)
+
+maintainers:
+ - Brenda Streiff <brenda.streiff@ni.com>
+
+allOf:
+ - $ref: serial.yaml#
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - ni,ni16550
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clock-frequency: true
+
+ transceiver:
+ items:
+ - enum:
+ - RS-232
+ - RS-485
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clock-frequency
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ serial@80000000 {
+ compatible = "ni,ni16550", "ns16550a";
+ reg = <0x80000000 0x8>;
+ interrupts = <0 30 4>;
+ clock-frequency = <58824000>;
+ transceiver = "RS-485";
+ };
+
+...
--
2.30.2