Unverified Commit 85d27be8 authored by Simon Horman's avatar Simon Horman Committed by Mark Brown
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dt-bindings: hspi: Convert bindings to json-schema 



Convert Renesas HSPI bindings documentation to json-schema.
Also name bindings documentation file according to the compat string
being documented.

As a side effect of this change all currently supported/used compat
strings are listed while no while card compat string is documented.
This, in my opinion, is desirable as only supported hardware should
be documented.

Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20190916075352.32108-1-horms+renesas@verge.net.au


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 54ecb8f7

Documentation/devicetree/bindings/spi/renesas,hspi.yaml

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# SPDX-License-Identifier: GPL-2.0

%YAML 1.2

---

$id: http://devicetree.org/schemas/spi/renesas,hspi.yaml#

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



title: Renesas HSPI



maintainers:

  - Geert Uytterhoeven <geert+renesas@glider.be>



allOf:

  - $ref: spi-controller.yaml#



properties:

  compatible:

    items:

      - enum:

        - renesas,hspi-r8a7778 # R-Car M1A

        - renesas,hspi-r8a7779 # R-Car H1

      - const: renesas,hspi



  reg:

    maxItems: 1



  interrupts:

    maxItems: 1



  clocks:

    maxItems: 1



  power-domains:

    maxItems: 1



required:

  - compatible

  - reg

  - interrupts

  - clocks

  - '#address-cells'

  - '#size-cells'



examples:

  - |

    #include <dt-bindings/clock/r8a7778-clock.h>

    #include <dt-bindings/interrupt-controller/irq.h>



    hspi0: spi@fffc7000 {

        compatible = "renesas,hspi-r8a7778", "renesas,hspi";

        reg = <0xfffc7000 0x18>;

        interrupts = <0 63 IRQ_TYPE_LEVEL_HIGH>;

        clocks = <&mstp0_clks R8A7778_CLK_HSPI>;

        power-domains = <&cpg_clocks>;

        #address-cells = <1>;

        #size-cells = <0>;

    };

Documentation/devicetree/bindings/spi/sh-hspi.txt

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Renesas HSPI.



Required properties:

- compatible       : "renesas,hspi-<soctype>", "renesas,hspi" as fallback.

		     Examples with soctypes are:

		       - "renesas,hspi-r8a7778" (R-Car M1)

		       - "renesas,hspi-r8a7779" (R-Car H1)

- reg              : Offset and length of the register set for the device

- interrupts       : Interrupt specifier

- #address-cells   : Must be <1>

- #size-cells      : Must be <0>



Pinctrl properties might be needed, too.  See

Documentation/devicetree/bindings/pinctrl/renesas,*.



Example:



	hspi0: spi@fffc7000 {

		compatible = "renesas,hspi-r8a7778", "renesas,hspi";

		reg = <0xfffc7000 0x18>;

		interrupt-parent = <&gic>;

		interrupts = <0 63 IRQ_TYPE_LEVEL_HIGH>;

		#address-cells = <1>;

		#size-cells = <0>;

	};