Re: [PATCH RFC 06/10] dt-bindings: serial: Add Cortina Systems CS7542 UART

[Conor Dooley]

On Wed, Sep 30, 2026 at 10:00:05AM +0300, Fil Dunsky wrote:
> Add the binding for the UART found in the Cortina Systems CS75xx
> (Goldengate G2) SoCs such as the CS7542.
> 
> Signed-off-by: Fil Dunsky <filipp.dunsky@xxxxxxxxx>
> ---
>  .../bindings/serial/cortina,cs7542-uart.yaml       | 50 ++++++++++++++++++++++
>  1 file changed, 50 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/serial/cortina,cs7542-uart.yaml b/Documentation/devicetree/bindings/serial/cortina,cs7542-uart.yaml
> new file mode 100644
> index 00000000000..2f8bda97ff8
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/serial/cortina,cs7542-uart.yaml
> @@ -0,0 +1,50 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/serial/cortina,cs7542-uart.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Cortina Systems CS7542 UART
> +
> +maintainers:
> +  - Fil Dunsky <filipp.dunsky@xxxxxxxxx>
> +
> +description:
> +  The UART found in the Cortina Systems CS75xx (Goldengate G2) SoCs. It has

Different SoCs need specific compatibles.
They can fall back to the cs7542.
pw-bot: changes-requested

Thanks,
Conor.

> +  transmit and receive FIFOs and a 24-bit baud rate divider running from the
> +  peripheral (APB) clock.
> +
> +allOf:
> +  - $ref: serial.yaml#
> +
> +properties:
> +  compatible:
> +    const: cortina,cs7542-uart
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - clocks
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> +    serial@f0070110 {
> +        compatible = "cortina,cs7542-uart";
> +        reg = <0xf0070110 0x30>;
> +        interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
> +        clocks = <&apb_clk>;
> +    };
> 
> -- 
> 2.53.0
>

Attachment: signature.asc
Description: PGP signature