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

[Rob Herring]

On Sun, Nov 20, 2022 at 04:21:08PM +0800, Jisheng Zhang wrote:
> Add bindings doc for Bouffalolab UART Driver
> 
> Signed-off-by: Jisheng Zhang <jszhang at 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 at 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 at kernel.org>
> +
> +allOf:
> +  - $ref: serial.yaml#
> +
> +properties:
> +  compatible:
> +    const: bouffalolab,uart

'bouffalolab' needs to be documented in vendor-prefixes.yaml.

> +
> +  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 {

Drop, not relevant to the binding.

> +        serial0 = &uart0;
> +    };
> +
> +    uart0: serial at 30002000 {
> +        compatible = "bouffalolab,uart";
> +        reg = <0x30002000 0x1000>;
> +        interrupts = <53 IRQ_TYPE_LEVEL_HIGH>;
> +        clocks = <&xtal>;
> +    };
> +...
> -- 
> 2.37.2
> 
>