Commit 6259530c authored by Rob Herring (Arm)'s avatar Rob Herring (Arm) Committed by Greg Kroah-Hartman
Browse files

dt-bindings: serial: Convert snps,arc-uart to DT schema 



Convert the Synopsys ARC UART binding to DT schema. Drop the "aliases"
portion which is not relevant to this schema.

Reviewed-by: default avatarThierry Reding <treding@nvidia.com>
Signed-off-by: default avatar"Rob Herring (Arm)" <robh@kernel.org>
Link: https://lore.kernel.org/r/20250507154909.1602497-1-robh@kernel.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 2446bd69

Documentation/devicetree/bindings/serial/arc-uart.txt

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* Synopsys ARC UART : Non standard UART used in some of the ARC FPGA boards



Required properties:

- compatible		: "snps,arc-uart"

- reg			: offset and length of the register set for the device.

- interrupts		: device interrupt

- clock-frequency	: the input clock frequency for the UART

- current-speed		: baud rate for UART



e.g.



arcuart0: serial@c0fc1000 {

	compatible = "snps,arc-uart";

	reg = <0xc0fc1000 0x100>;

	interrupts = <5>;

	clock-frequency = <80000000>;

	current-speed = <115200>;

};



Note: Each port should have an alias correctly numbered in "aliases" node.



e.g.

aliases {

	serial0 = &arcuart0;

};

Documentation/devicetree/bindings/serial/snps,arc-uart.yaml

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/serial/snps,arc-uart.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: Synopsys ARC UART



maintainers:

  - Vineet Gupta <vgupta@kernel.org>



description:

  Synopsys ARC UART is a non-standard UART used in some of the ARC FPGA boards.



allOf:

  - $ref: /schemas/serial/serial.yaml#



properties:

  compatible:

    const: snps,arc-uart



  reg:

    maxItems: 1



  interrupts:

    maxItems: 1



  clock-frequency:

    description: the input clock frequency for the UART



  current-speed:

    description: baud rate for UART



required:

  - compatible

  - reg

  - interrupts

  - clock-frequency

  - current-speed



unevaluatedProperties: false



examples:

  - |

    serial@c0fc1000 {

        compatible = "snps,arc-uart";

        reg = <0xc0fc1000 0x100>;

        interrupts = <5>;

        clock-frequency = <80000000>;

        current-speed = <115200>;

    };