[PATCH 1/7] dt-bindings: serial: add bindings doc for Bouffalolab uart driver

Jisheng Zhang
2022-11-20T08:31:18Z

Add bindings doc for Bouffalolab UART Driver

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
---
.../bindings/serial/bouffalolab,uart.yaml | 50 +++++++++++++++++++
1 file changed, 50 insertions(+)
create mode 100644 Documentation/devicetree/bindings/serial/bouffalolab,uart.yaml

diff --git a/Documentation/devicetree/bindings/serial/bouffalolab,uart.yaml b/Documentation/devicetree/bindings/serial/bouffalolab,uart.yaml
new file mode 100644
index 000000000000..6cef956d33d2
--- /dev/null
+++ b/Documentation/devicetree/bindings/serial/bouffalolab,uart.yaml
@@ -0,0 +1,50 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (C) 2022 Jisheng Zhang <jszhang@kernel.org>
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/serial/bouffalolab,uart.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Bouffalolab UART Controller
+
+maintainers:
+ - Jisheng Zhang <jszhang@kernel.org>
+
+allOf:
+ - $ref: serial.yaml#
+
+properties:
+ compatible:
+ const: bouffalolab,uart
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ aliases {
+ serial0 = &uart0;
+ };
+
+ uart0: serial@30002000 {
+ compatible = "bouffalolab,uart";
+ reg = <0x30002000 0x1000>;
+ interrupts = <53 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&xtal>;
+ };
+...
--
2.37.2