linux-kernel - Re: [PATCH] dt-bindings: i2c: meson: convert to yaml

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Date:   Sun, 27 Oct 2019 11:12:45 +0100
From:   Beniamino Galvani <b.galvani@...il.com>
To:     Neil Armstrong <narmstrong@...libre.com>
Cc:     robh+dt@...nel.org, devicetree@...r.kernel.org,
        linux-i2c@...r.kernel.org, linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: i2c: meson: convert to yaml

On Mon, Oct 21, 2019 at 04:00:53PM +0200, Neil Armstrong wrote:
> Now that we have the DT validation in place, let's convert the device tree
> bindings for the Amlogic I2C Controller over to YAML schemas.

Acked-by: Beniamino Galvani <b.galvani@...il.com>


> Cc: Beniamino Galvani <b.galvani@...il.com>
> Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
> ---
>  .../bindings/i2c/amlogic,meson6-i2c.yaml      | 53 +++++++++++++++++++
>  .../devicetree/bindings/i2c/i2c-meson.txt     | 30 -----------
>  2 files changed, 53 insertions(+), 30 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/i2c/amlogic,meson6-i2c.yaml
>  delete mode 100644 Documentation/devicetree/bindings/i2c/i2c-meson.txt
> 
> diff --git a/Documentation/devicetree/bindings/i2c/amlogic,meson6-i2c.yaml b/Documentation/devicetree/bindings/i2c/amlogic,meson6-i2c.yaml
> new file mode 100644
> index 000000000000..49cad273c8e5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/i2c/amlogic,meson6-i2c.yaml
> @@ -0,0 +1,53 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +# Copyright 2019 BayLibre, SAS
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/i2c/amlogic,meson6-i2c.yaml#"
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
> +
> +title: Amlogic Meson I2C Controller
> +
> +maintainers:
> +  - Neil Armstrong <narmstrong@...libre.com>
> +  - Beniamino Galvani <b.galvani@...il.com>
> +
> +allOf:
> +  - $ref: /schemas/i2c/i2c-controller.yaml#
> +
> +properties:
> +  compatible:
> +    enum:
> +      - amlogic,meson6-i2c # Meson6, Meson8 and compatible SoCs
> +      - amlogic,meson-gxbb-i2c # GXBB and compatible SoCs
> +      - amlogic,meson-axg-i2c # AXG and compatible SoCs
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    minItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - clocks
> +
> +examples:
> +  - |
> +    i2c@...00500 {
> +        compatible = "amlogic,meson6-i2c";
> +        reg = <0xc8100500 0x20>;
> +        interrupts = <92>;
> +        clocks = <&clk81>;
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        eeprom@52 {
> +            compatible = "atmel,24c32";
> +            reg = <0x52>;
> +        };
> +    };
> diff --git a/Documentation/devicetree/bindings/i2c/i2c-meson.txt b/Documentation/devicetree/bindings/i2c/i2c-meson.txt
> deleted file mode 100644
> index 13d410de077c..000000000000
> --- a/Documentation/devicetree/bindings/i2c/i2c-meson.txt
> +++ /dev/null
> @@ -1,30 +0,0 @@
> -Amlogic Meson I2C controller
> -
> -Required properties:
> - - compatible: must be:
> -	"amlogic,meson6-i2c" for Meson8 and compatible SoCs
> -	"amlogic,meson-gxbb-i2c" for GXBB and compatible SoCs
> -	"amlogic,meson-axg-i2c"for AXG and compatible SoCs
> -
> - - reg: physical address and length of the device registers
> - - interrupts: a single interrupt specifier
> - - clocks: clock for the device
> - - #address-cells: should be <1>
> - - #size-cells: should be <0>
> -
> -For details regarding the following core I2C bindings see also i2c.txt.
> -
> -Optional properties:
> -- clock-frequency: the desired I2C bus clock frequency in Hz; in
> -  absence of this property the default value is used (100 kHz).
> -
> -Examples:
> -
> -	i2c@...00500 {
> -		compatible = "amlogic,meson6-i2c";
> -		reg = <0xc8100500 0x20>;
> -		interrupts = <0 92 1>;
> -		clocks = <&clk81>;
> -		#address-cells = <1>;
> -		#size-cells = <0>;
> -	};
> -- 
> 2.22.0
>