Commit 436ebd32 authored by Thierry Reding's avatar Thierry Reding
Browse files

dt-bindings: arm: tegra: nvec: Convert to json-schema 



Convert the NVIDIA embedded controller bindings from the free-form text
format to json-schema.

Acked-by: default avatarMarc Dietrich <marvin24@gmx.de>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent a640358d

Documentation/devicetree/bindings/arm/tegra/nvidia,nvec.txt

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NVIDIA compliant embedded controller



Required properties:

- compatible : should be "nvidia,nvec".

- reg : the iomem of the i2c slave controller

- interrupts : the interrupt line of the i2c slave controller

- clock-frequency : the frequency of the i2c bus

- gpios : the gpio used for ec request

- slave-addr: the i2c address of the slave controller

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

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

- clock-names : Must include the following entries:

  Tegra20/Tegra30:

  - div-clk

  - fast-clk

  Tegra114:

  - div-clk

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

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

- reset-names : Must include the following entries:

  - i2c

Documentation/devicetree/bindings/soc/tegra/nvidia,nvec.yaml

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

%YAML 1.2

---

$id: http://devicetree.org/schemas/soc/tegra/nvidia,nvec.yaml#

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



title: NVIDIA compliant embedded controller



maintainers:

  - Thierry Reding <thierry.reding@gmail.com>

  - Jon Hunter <jonathanh@nvidia.com>



properties:

  compatible:

    const: nvidia,nvec



  reg:

    maxItems: 1



  interrupts:

    maxItems: 1



  clocks:

    minItems: 1

    items:

      - description: divider clock

      - description: fast clock



  clock-names:

    minItems: 1

    items:

      - const: div-clk

      - const: fast-clk



  resets:

    items:

      - description: module reset



  reset-names:

    items:

      - const: i2c



  clock-frequency: true



  request-gpios:

    description: phandle to the GPIO used for EC request



  slave-addr:

    $ref: /schemas/types.yaml#/definitions/uint32

    description: I2C address of the slave controller



additionalProperties: false



required:

  - compatible

  - reg

  - interrupts

  - clocks

  - clock-names

  - resets

  - reset-names

  - clock-frequency

  - request-gpios

  - slave-addr



examples:

  - |

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

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

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



    i2c@7000c500 {

        compatible = "nvidia,nvec";

        reg = <0x7000c500 0x100>;

        interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>;

        clock-frequency = <80000>;

        request-gpios = <&gpio TEGRA_GPIO(V, 2) GPIO_ACTIVE_HIGH>;

        slave-addr = <138>;

        clocks = <&tegra_car TEGRA20_CLK_I2C3>,

                 <&tegra_car TEGRA20_CLK_PLL_P_OUT3>;

        clock-names = "div-clk", "fast-clk";

        resets = <&tegra_car 67>;

        reset-names = "i2c";

    };