On Tue, Nov 3, 2020 at 1:56 PM Khalil Blaiech <kblaiech@xxxxxxxxxx> wrote:
>
> Write the devicetree binding text file associated with
> the Mellanox BlueField I2C controller in schema file,
> JSON compatible subset of YAML. Besides, add an entry
> within MAINTAINERS file.
Please fix the subject as I asked in v1.
>
> Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxx>
> Signed-off-by: Khalil Blaiech <kblaiech@xxxxxxxxxx>
> ---
> .../devicetree/bindings/i2c/mellanox,i2c-mlxbf.txt | 42 ------------
> .../bindings/i2c/mellanox,i2c-mlxbf.yaml | 80 ++++++++++++++++++++++
> MAINTAINERS | 1 +
> 3 files changed, 81 insertions(+), 42 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.txt
> create mode 100644 Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.yaml
>
> diff --git a/Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.txt b/Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.txt
> deleted file mode 100644
> index 566ea86..0000000
> --- a/Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.txt
> +++ /dev/null
> @@ -1,42 +0,0 @@
> -Device tree configuration for the Mellanox I2C SMBus on BlueField SoCs
> -
> -Required Properties:
> -
> -- compatible : should be "mellanox,i2c-mlxbf1" or "mellanox,i2c-mlxbf2".
> -
> -- reg : address offset and length of the device registers. The
> - registers consist of the following set of resources:
> - 1) Smbus block registers.
> - 2) Cause master registers.
> - 3) Cause slave registers.
> - 4) Cause coalesce registers (if compatible isn't set
> - to "mellanox,i2c-mlxbf1").
> -
> -- interrupts : interrupt number.
> -
> -Optional Properties:
> -
> -- clock-frequency : bus frequency used to configure timing registers;
> - allowed values are 100000, 400000 and 1000000;
> - those are expressed in Hz. Default is 100000.
> -
> -Example:
> -
> -i2c@2804000 {
> - compatible = "mellanox,i2c-mlxbf1";
> - reg = <0x02804000 0x800>,
> - <0x02801200 0x020>,
> - <0x02801260 0x020>;
> - interrupts = <57>;
> - clock-frequency = <100000>;
> -};
> -
> -i2c@2808800 {
> - compatible = "mellanox,i2c-mlxbf2";
> - reg = <0x02808800 0x600>,
> - <0x02808e00 0x020>,
> - <0x02808e20 0x020>,
> - <0x02808e40 0x010>;
> - interrupts = <57>;
> - clock-frequency = <400000>;
> -};
> diff --git a/Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.yaml b/Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.yaml
> new file mode 100644
> index 0000000..3eb7457
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.yaml
> @@ -0,0 +1,80 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/i2c/mellanox,i2c-mlxbf.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Mellanox I2C SMBus on BlueField SoCs
> +
> +maintainers:
> + - Khalil Blaiech <kblaiech@xxxxxxxxxx>
> +
> +allOf:
> + - $ref: /schemas/i2c/i2c-controller.yaml#
> +
> +properties:
> + compatible:
> + enum:
> + - mellanox,i2c-mlxbf1
> + - mellanox,i2c-mlxbf2
> +
> + reg:
> + minItems: 3
> + maxItems: 4
> + items:
> + - description: Smbus block registers
> + - description: Cause master registers
> + - description: Cause slave registers
> + - description: Cause coalesce registers
> +
> + interrupts:
> + maxItems: 1
> +
> + clock-frequency:
> + enum: [ 100000, 400000, 1000000 ]
> + description:
> + bus frequency used to configure timing registers;
> + The frequency is expressed in Hz. Default is 100000.
> +
> +additionalProperties: false
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> +
> +unevaluatedProperties: false
> +
> +if:
> + properties:
> + compatible:
> + contains:
> + enum:
> + - mellanox,i2c-mlxbf1
> +
> +then:
> + properties:
> + reg:
> + maxItems: 3
> +
> +examples:
> + - |
> + i2c@2804000 {
> + compatible = "mellanox,i2c-mlxbf1";
> + reg = <0x02804000 0x800>,
> + <0x02801200 0x020>,
> + <0x02801260 0x020>;
> + interrupts = <57>;
> + clock-frequency = <100000>;
> + };
> +
> + - |
> + i2c@2808800 {
> + compatible = "mellanox,i2c-mlxbf2";
> + reg = <0x02808800 0x600>,
> + <0x02808e00 0x020>,
> + <0x02808e20 0x020>,
> + <0x02808e40 0x010>;
> + interrupts = <57>;
> + clock-frequency = <400000>;
> + };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 551587f..40569fd 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -11166,6 +11166,7 @@ MELLANOX BLUEFIELD I2C DRIVER
> M: Khalil Blaiech <kblaiech@xxxxxxxxxx>
> L: linux-i2c@xxxxxxxxxxxxxxx
> S: Supported
> +F: Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.yaml
> F: drivers/i2c/busses/i2c-mlxbf.c
>
> MELLANOX ETHERNET DRIVER (mlx4_en)
> --
> 2.1.2
>
