Unverified Commit b2f06783 authored by CL Wang's avatar CL Wang Committed by Mark Brown
Browse files

spi: dt-bindings: Add support for ATCSPI200 SPI controller 



Document devicetree bindings for the Andes ATCSPI200 SPI controller.

Signed-off-by: default avatarCL Wang <cl634@andestech.com>
Acked-by: default avatarConor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20251215132349.513843-2-cl634@andestech.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 8f0b4cce

Documentation/devicetree/bindings/spi/andestech,ae350-spi.yaml

0 → 100644
+85 −0
Original line number Diff line number Diff line 
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/spi/andestech,ae350-spi.yaml#

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



title: Andes ATCSPI200 SPI controller



maintainers:

  - CL Wang <cl634@andestech.com>



properties:

  compatible:

    oneOf:

      - items:

          - enum:

              - andestech,qilai-spi

          - const: andestech,ae350-spi

      - const: andestech,ae350-spi



  reg:

    maxItems: 1



  clocks:

    maxItems: 1



  num-cs:

    description: Number of chip selects supported

    maxItems: 1



  dmas:

    items:

      - description: Transmit FIFO DMA channel

      - description: Receive FIFO DMA channel



  dma-names:

    items:

      - const: tx

      - const: rx



patternProperties:

  "@[0-9a-f]+$":

    type: object

    additionalProperties: true



    properties:

      spi-rx-bus-width:

        enum: [1, 4]



      spi-tx-bus-width:

        enum: [1, 4]



allOf:

  - $ref: spi-controller.yaml#



required:

  - compatible

  - reg

  - clocks

  - dmas

  - dma-names



unevaluatedProperties: false



examples:

  - |

    spi@f0b00000 {

        compatible = "andestech,ae350-spi";

        reg = <0xf0b00000 0x100>;

        clocks = <&clk_spi>;

        dmas = <&dma0 0>, <&dma0 1>;

        dma-names = "tx", "rx";



        #address-cells = <1>;

        #size-cells = <0>;



        flash@0 {

            compatible = "jedec,spi-nor";

            reg = <0>;

            spi-tx-bus-width = <4>;

            spi-rx-bus-width = <4>;

            spi-cpol;

            spi-cpha;

        };

    };