Commit 3b0bca97 authored by Rob Herring (Arm)'s avatar Rob Herring (Arm) Committed by Damien Le Moal
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dt-bindings: ata: Convert arasan,cf-spear1340 to DT schema 



Convert the Arasan/SPEAr Compact Flash Controller to DT schema format.

The "clock-frequency" property isn't actually used. Add a single
"clocks" entry as the Linux driver supports a single clock though the
platform still doesn't have clocks in DT.

Signed-off-by: default avatarRob Herring (Arm) <robh@kernel.org>
Signed-off-by: default avatarDamien Le Moal <dlemoal@kernel.org>
parent 6130ed3c

Documentation/devicetree/bindings/ata/arasan,cf-spear1340.yaml

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/ata/arasan,cf-spear1340.yaml#

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



title: Arasan PATA Compact Flash Controller



maintainers:

  - Viresh Kumar <viresh.kumar@linaro.org>



properties:

  compatible:

    const: arasan,cf-spear1340



  reg:

    maxItems: 1



  interrupts:

    maxItems: 1



  clocks:

    maxItems: 1



  arasan,broken-udma:

    description: UDMA mode is unusable

    type: boolean



  arasan,broken-mwdma:

    description: MWDMA mode is unusable

    type: boolean



  arasan,broken-pio:

    description: PIO mode is unusable

    type: boolean



  dmas:

    maxItems: 1



  dma-names:

    items:

      - const: data



required:

  - compatible

  - reg

  - interrupts



additionalProperties: false



allOf:

  - if:

      not:

        required:

          - arasan,broken-udma

          - arasan,broken-mwdma

    then:

      required:

        - dmas

        - dma-names



examples:

  - |

    cf@fc000000 {

        compatible = "arasan,cf-spear1340";

        reg = <0xfc000000 0x1000>;

        interrupts = <12>;

        dmas = <&dma 23>;

        dma-names = "data";

    };

Documentation/devicetree/bindings/ata/pata-arasan.txt

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* ARASAN PATA COMPACT FLASH CONTROLLER



Required properties:

- compatible: "arasan,cf-spear1340"

- reg: Address range of the CF registers

- interrupt: Should contain the CF interrupt number

- clock-frequency: Interface clock rate, in Hz, one of

       25000000

       33000000

       40000000

       50000000

       66000000

       75000000

      100000000

      125000000

      150000000

      166000000

      200000000



Optional properties:

- arasan,broken-udma: if present, UDMA mode is unusable

- arasan,broken-mwdma: if present, MWDMA mode is unusable

- arasan,broken-pio: if present, PIO mode is unusable

- dmas: one DMA channel, as described in bindings/dma/dma.txt

  required unless both UDMA and MWDMA mode are broken

- dma-names: the corresponding channel name, must be "data"



Example:



	cf@fc000000 {

		compatible = "arasan,cf-spear1340";

		reg = <0xfc000000 0x1000>;

		interrupt-parent = <&vic1>;

		interrupts = <12>;

		dmas = <&dma-controller 23>;

		dma-names = "data";

	};