Unverified Commit 701a22fd authored by Mohammad Shehar Yaar Tausif's avatar Mohammad Shehar Yaar Tausif Committed by Mark Brown
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ASoC: dt-bindings: tegra20-ac97: convert to dt schema 



Convert NVIDIA Tegra20 AC97 binding to DT schema.
Change -gpio to -gpios in schema as "gpio" suffix is deprecated.

Signed-off-by: default avatarMohammad Shehar Yaar Tausif <sheharyaar48@gmail.com>
Reviewed-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240423115749.15786-1-sheharyaar48@gmail.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 181d58cf

Documentation/devicetree/bindings/sound/nvidia,tegra20-ac97.txt

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NVIDIA Tegra 20 AC97 controller



Required properties:

- compatible : "nvidia,tegra20-ac97"

- reg : Should contain AC97 controller registers location and length

- interrupts : Should contain AC97 interrupt

- resets : Must contain an entry for each entry in reset-names.

  See ../reset/reset.txt for details.

- reset-names : Must include the following entries:

  - ac97

- dmas : Must contain an entry for each entry in clock-names.

  See ../dma/dma.txt for details.

- dma-names : Must include the following entries:

  - rx

  - tx

- clocks : Must contain one entry, for the module clock.

  See ../clocks/clock-bindings.txt for details.

- nvidia,codec-reset-gpio : The Tegra GPIO controller's phandle and the number

  of the GPIO used to reset the external AC97 codec

- nvidia,codec-sync-gpio : The Tegra GPIO controller's phandle and the number

  of the GPIO corresponding with the AC97 DAP _FS line



Example:



ac97@70002000 {

	compatible = "nvidia,tegra20-ac97";

	reg = <0x70002000 0x200>;

	interrupts = <0 81 0x04>;

	nvidia,codec-reset-gpio = <&gpio 170 0>;

	nvidia,codec-sync-gpio = <&gpio 120 0>;

	clocks = <&tegra_car 3>;

	resets = <&tegra_car 3>;

	reset-names = "ac97";

	dmas = <&apbdma 12>, <&apbdma 12>;

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

};

Documentation/devicetree/bindings/sound/nvidia,tegra20-ac97.yaml

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

%YAML 1.2

---

$id: http://devicetree.org/schemas/sound/nvidia,tegra20-ac97.yaml#

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



title: NVIDIA Tegra20 AC97 controller



maintainers:

  - Thierry Reding <treding@nvidia.com>

  - Jon Hunter <jonathanh@nvidia.com>



properties:

  compatible:

    const: nvidia,tegra20-ac97



  reg:

    maxItems: 1



  resets:

    maxItems: 1



  reset-names:

    const: ac97



  interrupts:

    maxItems: 1



  clocks:

    maxItems: 1



  dmas:

    maxItems: 2



  dma-names:

    items:

      - const: rx

      - const: tx



  nvidia,codec-reset-gpios:

    description: Reset pin of external AC97 codec

    maxItems: 1



  nvidia,codec-sync-gpios:

    description: AC97 DAP _FS line

    maxItems: 1



required:

  - compatible

  - reg

  - resets

  - reset-names

  - interrupts

  - clocks

  - dmas

  - dma-names

  - nvidia,codec-reset-gpios

  - nvidia,codec-sync-gpios



additionalProperties: false



examples:

  - |

    #include <dt-bindings/clock/tegra20-car.h>

    #include <dt-bindings/gpio/tegra-gpio.h>

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

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

    #include <dt-bindings/gpio/gpio.h>



    ac97@70002000 {

        compatible = "nvidia,tegra20-ac97";

        reg = <0x70002000 0x200>;

        resets = <&tegra_car 3>;

        reset-names = "ac97";

        interrupts = <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>;

        clocks = <&tegra_car 3>;

        dmas = <&apbdma 12>, <&apbdma 12>;

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

        nvidia,codec-reset-gpios = <&gpio TEGRA_GPIO(V, 2) GPIO_ACTIVE_HIGH>;

        nvidia,codec-sync-gpios = <&gpio TEGRA_GPIO(P, 0) GPIO_ACTIVE_HIGH>;

    };

...