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Unverified Commit 3133f5c2 authored by Maxime Ripard's avatar Maxime Ripard Committed by Mark Brown
Browse files

spi: sun4i: Add YAML schemas 



Switch the DT binding to a YAML schema to enable the DT validation.

Signed-off-by: default avatarMaxime Ripard <maxime.ripard@bootlin.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 0a1b9293

Documentation/devicetree/bindings/spi/allwinner,sun4i-a10-spi.yaml

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# SPDX-License-Identifier: GPL-2.0

%YAML 1.2

---

$id: http://devicetree.org/schemas/spi/allwinner,sun4i-a10-spi.yaml#

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



title: Allwinner A10 SPI Controller Device Tree Bindings



allOf:

  - $ref: "spi-controller.yaml"



maintainers:

  - Chen-Yu Tsai <wens@csie.org>

  - Maxime Ripard <maxime.ripard@bootlin.com>



properties:

  "#address-cells": true

  "#size-cells": true



  compatible:

    const: allwinner,sun4i-a10-spi



  reg:

    maxItems: 1



  interrupts:

    maxItems: 1



  clocks:

    items:

      - description: Bus Clock

      - description: Module Clock



  clock-names:

    items:

      - const: ahb

      - const: mod



  dmas:

    items:

      - description: RX DMA Channel

      - description: TX DMA Channel



  dma-names:

    items:

      - const: rx

      - const: tx



  num-cs: true



patternProperties:

  "^.*@[0-9a-f]+":

    properties:

      reg:

        items:

          minimum: 0

          maximum: 4



      spi-rx-bus-width:

        const: 1



      spi-tx-bus-width:

        const: 1



required:

  - compatible

  - reg

  - interrupts

  - clocks

  - clock-names



additionalProperties: false



examples:

  - |

    spi1: spi@1c06000 {

        compatible = "allwinner,sun4i-a10-spi";

        reg = <0x01c06000 0x1000>;

        interrupts = <11>;

        clocks = <&ahb_gates 21>, <&spi1_clk>;

        clock-names = "ahb", "mod";

        #address-cells = <1>;

        #size-cells = <0>;

    };



...

Documentation/devicetree/bindings/spi/spi-sun4i.txt

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Allwinner A10 SPI controller



Required properties:

- compatible: Should be "allwinner,sun4-a10-spi".

- reg: Should contain register location and length.

- interrupts: Should contain interrupt.

- clocks: phandle to the clocks feeding the SPI controller. Two are

          needed:

  - "ahb": the gated AHB parent clock

  - "mod": the parent module clock

- clock-names: Must contain the clock names described just above



Example:



spi1: spi@1c06000 {

	compatible = "allwinner,sun4i-a10-spi";

	reg = <0x01c06000 0x1000>;

	interrupts = <11>;

	clocks = <&ahb_gates 21>, <&spi1_clk>;

	clock-names = "ahb", "mod";

	#address-cells = <1>;

	#size-cells = <0>;

};