Re: [PATCH v2 3/3] dt-bindings: arm: tegra: nvec: Convert to json-schema

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On Wed, Jul 05, 2023 at 05:52:22PM +0200, Thierry Reding wrote:
> From: Thierry Reding <treding@xxxxxxxxxx>
> 
> Convert the NVIDIA embedded controller bindings from the free-form text
> format to json-schema.
> 
> Acked-by: Marc Dietrich <marvin24@xxxxxx>
> Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
> ---
> Changes in v2:
> - drop $ref for standard clock-frequency property
> - use 4 spaces for indentation in example
> - move to soc/tegra directory
> 
>  .../bindings/arm/tegra/nvidia,nvec.txt        | 21 -----
>  .../bindings/soc/tegra/nvidia,nvec.yaml       | 92 +++++++++++++++++++
>  2 files changed, 92 insertions(+), 21 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/arm/tegra/nvidia,nvec.txt
>  create mode 100644 Documentation/devicetree/bindings/soc/tegra/nvidia,nvec.yaml
> 
> diff --git a/Documentation/devicetree/bindings/arm/tegra/nvidia,nvec.txt b/Documentation/devicetree/bindings/arm/tegra/nvidia,nvec.txt
> deleted file mode 100644
> index 5ae601e7f51f..000000000000
> --- a/Documentation/devicetree/bindings/arm/tegra/nvidia,nvec.txt
> +++ /dev/null
> @@ -1,21 +0,0 @@
> -NVIDIA compliant embedded controller
> -
> -Required properties:
> -- compatible : should be "nvidia,nvec".
> -- reg : the iomem of the i2c slave controller
> -- interrupts : the interrupt line of the i2c slave controller
> -- clock-frequency : the frequency of the i2c bus
> -- gpios : the gpio used for ec request
> -- slave-addr: the i2c address of the slave controller
> -- clocks : Must contain an entry for each entry in clock-names.
> -  See ../clocks/clock-bindings.txt for details.
> -- clock-names : Must include the following entries:
> -  Tegra20/Tegra30:
> -  - div-clk
> -  - fast-clk
> -  Tegra114:
> -  - div-clk
> -- resets : Must contain an entry for each entry in reset-names.
> -  See ../reset/reset.txt for details.
> -- reset-names : Must include the following entries:
> -  - i2c
> diff --git a/Documentation/devicetree/bindings/soc/tegra/nvidia,nvec.yaml b/Documentation/devicetree/bindings/soc/tegra/nvidia,nvec.yaml
> new file mode 100644
> index 000000000000..0b4f898b2a1d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/tegra/nvidia,nvec.yaml
> @@ -0,0 +1,92 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$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@xxxxxxxxx>
> +  - Jon Hunter <jonathanh@xxxxxxxxxx>
> +
> +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
> +
> +  "#address-cells":
> +    const: 1
> +
> +  "#size-cells":
> +    const: 0

You don't have any child nodes defined, so these 2 properties are 
pointless.

> +
> +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>
> +
> +    nvec@7000c500 {
> +        compatible = "nvidia,nvec";
> +        reg = <0x7000c500 0x100>;
> +        interrupts = <GIC_SPI 92 IRQ_TYPE_LEVEL_HIGH>;
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +        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";
> +    };
> -- 
> 2.41.0
> 



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