dt-bindings: i2c: meson: convert to yaml

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.

Cc: Beniamino Galvani <b.galvani@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.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

> +maintainers:
> +  - Neil Armstrong <narmstrong@baylibre.com>
> +  - Beniamino Galvani <b.galvani@gmail.com>

I need an ack from Beniamino for this.

Also, do you want to maintain only this file or also the driver? The
latter would be much appreciated, of course!

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@gmail.com>


> Cc: Beniamino Galvani <b.galvani@gmail.com>
> Signed-off-by: Neil Armstrong <narmstrong@baylibre.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@baylibre.com>
> +  - Beniamino Galvani <b.galvani@gmail.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@c8100500 {
> +        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@c8100500 {
> -		compatible = "amlogic,meson6-i2c";
> -		reg = <0xc8100500 0x20>;
> -		interrupts = <0 92 1>;
> -		clocks = <&clk81>;
> -		#address-cells = <1>;
> -		#size-cells = <0>;
> -	};
> -- 
> 2.22.0
>

Hi Wolfram,

On 24/10/2019 21:04, Wolfram Sang wrote:
> 
>> +maintainers:
>> +  - Neil Armstrong <narmstrong@baylibre.com>
>> +  - Beniamino Galvani <b.galvani@gmail.com>
> 
> I need an ack from Beniamino for this.
> 
> Also, do you want to maintain only this file or also the driver? The
> latter would be much appreciated, of course!
> 
I'm taking responsibility for the bindings to make sure the DT is correct,
but I don't have time to maintain this driver for the moment, sorry,

Neil

On Mon, 21 Oct 2019 16:00:53 +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.
> 
> Cc: Beniamino Galvani <b.galvani@gmail.com>
> Signed-off-by: Neil Armstrong <narmstrong@baylibre.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
> 

Reviewed-by: Rob Herring <robh@kernel.org>

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.
> 
> Cc: Beniamino Galvani <b.galvani@gmail.com>
> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>

Applied to for-next, thanks!