linux-kernel - Re: [PATCH 2/2] dt-bindings: i2c: brcm,kona-i2c: convert to YAML

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Message-ID: <47c3f816-413a-02c9-7e2a-d0b61873fc5c@linaro.org>
Date:   Sun, 23 Apr 2023 12:47:16 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Stanislav Jakubek <stano.jakubek@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>
Cc:     bcm-kernel-feedback-list@...adcom.com, linux-i2c@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] dt-bindings: i2c: brcm,kona-i2c: convert to YAML

On 22/04/2023 20:07, Stanislav Jakubek wrote:
> Convert Broadcom Kona family I2C bindings to DT schema.
> 
> Changes during conversion:
>   - add used, but previously undocumented SoC-specific compatibles
>   - drop references to SoCs that are not upstream
>   - add supported clock frequencies according to the Linux driver [1]
> 
> [1] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/drivers/i2c/busses/i2c-bcm-kona.c#n731
> 
> Signed-off-by: Stanislav Jakubek <stano.jakubek@...il.com>
> ---
>  .../devicetree/bindings/i2c/brcm,kona-i2c.txt | 35 -----------
>  .../bindings/i2c/brcm,kona-i2c.yaml           | 58 +++++++++++++++++++
>  2 files changed, 58 insertions(+), 35 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/i2c/brcm,kona-i2c.txt
>  create mode 100644 Documentation/devicetree/bindings/i2c/brcm,kona-i2c.yaml
> 
> diff --git a/Documentation/devicetree/bindings/i2c/brcm,kona-i2c.txt b/Documentation/devicetree/bindings/i2c/brcm,kona-i2c.txt
> deleted file mode 100644
> index 1b87b741fa8e..000000000000
> --- a/Documentation/devicetree/bindings/i2c/brcm,kona-i2c.txt
> +++ /dev/null
> @@ -1,35 +0,0 @@
> -Broadcom Kona Family I2C
> -=========================
> -
> -This I2C controller is used in the following Broadcom SoCs:
> -
> -  BCM11130
> -  BCM11140
> -  BCM11351
> -  BCM28145
> -  BCM28155
> -
> -Required Properties
> --------------------
> -- compatible: "brcm,bcm11351-i2c", "brcm,kona-i2c"
> -- reg: Physical base address and length of controller registers
> -- interrupts: The interrupt number used by the controller
> -- clocks: clock specifier for the kona i2c external clock
> -- clock-frequency: The I2C bus frequency in Hz
> -- #address-cells: Should be <1>
> -- #size-cells: Should be <0>
> -
> -Refer to clocks/clock-bindings.txt for generic clock consumer
> -properties.
> -
> -Example:
> -
> -i2c@...16000 {
> -	compatible = "brcm,bcm11351-i2c","brcm,kona-i2c";
> -	reg = <0x3e016000 0x80>;
> -	interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>;
> -	clocks = <&bsc1_clk>;
> -	clock-frequency = <400000>;
> -	#address-cells = <1>;
> -	#size-cells = <0>;
> -};
> diff --git a/Documentation/devicetree/bindings/i2c/brcm,kona-i2c.yaml b/Documentation/devicetree/bindings/i2c/brcm,kona-i2c.yaml
> new file mode 100644
> index 000000000000..636912d8518d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/i2c/brcm,kona-i2c.yaml
> @@ -0,0 +1,58 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/i2c/brcm,kona-i2c.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Broadcom Kona family I2C controller
> +
> +maintainers:
> +  - Florian Fainelli <f.fainelli@...il.com>
> +
> +allOf:
> +  - $ref: /schemas/i2c/i2c-controller.yaml#
> +
> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +        - brcm,bcm11351-i2c
> +        - brcm,bcm21664-i2c
> +        - brcm,bcm23550-i2c
> +      - const: brcm,kona-i2c

Does not look like you tested the bindings. Please run `make
dt_binding_check` (see
Documentation/devicetree/bindings/writing-schema.rst for instructions).

Best regards,
Krzysztof