xref: /kernel/linux/linux-6.6/Documentation/devicetree/bindings/spi/ingenic,spi.yaml

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

title: Ingenic SoCs SPI controller

maintainers:
  - Artur Rojek <contact@artur-rojek.eu>
  - Paul Cercueil <paul@crapouillou.net>

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

properties:
  compatible:
    oneOf:
      - enum:
          - ingenic,jz4750-spi
          - ingenic,jz4775-spi
          - ingenic,jz4780-spi
          - ingenic,x1000-spi
          - ingenic,x2000-spi
      - items:
          - enum:
              - ingenic,jz4760-spi
              - ingenic,jz4770-spi
          - const: ingenic,jz4750-spi

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    maxItems: 1

  dmas:
    maxItems: 2
    minItems: 2

  dma-names:
    items:
      - const: rx
      - const: tx

required:
  - compatible
  - reg
  - interrupts
  - clocks
  - dmas
  - dma-names

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/clock/ingenic,jz4770-cgu.h>
    spi@10043000 {
      compatible = "ingenic,jz4770-spi", "ingenic,jz4750-spi";
      reg = <0x10043000 0x1c>;
      #address-cells = <1>;
      #size-cells = <0>;

      interrupt-parent = <&intc>;
      interrupts = <8>;

      clocks = <&cgu JZ4770_CLK_SSI0>;

      dmas = <&dmac1 23 0xffffffff>, <&dmac1 22 0xffffffff>;
      dma-names = "rx", "tx";
    };