# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/spi/rockchip-flexbus-spi.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Rockchip Flexbus controller under SPI transmission protocol

maintainers:
  - Jon Lin <jon.lin@rock-chips.com>

allOf:
  - $ref: spi-controller.yaml#

properties:
  compatible:
    const: rockchip,flexbus-spi
    description:
      The rockchip flexbus controller is a standalone IP with version register,
      and the driver can handle all the feature difference inside the IP
      depending on the version register.

  rockchip,dll-cells:
    description:
      Setting dll cells.

  rockchip,dfs:
    description:
      Setting data width.

  rockchip,poll-only:
    description: Add this property to set the wait idle method as CPU polling.
    type: boolean

required:
  - compatible

unevaluatedProperties: false

examples:
  - |
    flexbus_spi: spi@ff3a0000 {
        compatible = "rockchip,flexbus-spi";
        rockchip,dfs = <16>;
        #address-cells = <1>;
        #size-cells = <0>;

        spidev@0 {
            compatible = "rockchip,spidev";
            reg = <0>;
            spi-max-frequency = <50000000>;
        };
    };

...