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Subject: Re: [PATCH 1/2] extcon: fsa9480: Rewrite bindings in YAML and
 extend
To:     Linus Walleij <linus.walleij@linaro.org>,
        MyungJoo Ham <myungjoo.ham@samsung.com>
Cc:     linux-kernel@vger.kernel.org, devicetree@vger.kernel.org
From:   Chanwoo Choi <cw00.choi@samsung.com>
Organization: Samsung Electronics
Message-ID: <ae62b1b2-87ab-4d87-519a-ea341a729995@samsung.com>
Date:   Mon, 2 Nov 2020 11:59:52 +0900
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        <20201101004357.1076876-1-linus.walleij@linaro.org>
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Hi Linus,

On 11/1/20 9:43 AM, Linus Walleij wrote:
> This rewrites the FSA9480 DT bindings using YAML and
> extends them with the compatible TI TSU6111.
> 
> I chose to name the file fcs,fsa880 since this is the
> first switch, later versions are improvements.
> 
> Cc: devicetree@vger.kernel.org
> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
> ---
>  .../bindings/extcon/extcon-fsa9480.txt        | 21 --------
>  .../bindings/extcon/fcs,fsa880.yaml           | 52 +++++++++++++++++++
>  2 files changed, 52 insertions(+), 21 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/extcon/extcon-fsa9480.txt
>  create mode 100644 Documentation/devicetree/bindings/extcon/fcs,fsa880.yaml
> 
> diff --git a/Documentation/devicetree/bindings/extcon/extcon-fsa9480.txt b/Documentation/devicetree/bindings/extcon/extcon-fsa9480.txt
> deleted file mode 100644
> index 624bd76f468e..000000000000
> --- a/Documentation/devicetree/bindings/extcon/extcon-fsa9480.txt
> +++ /dev/null
> @@ -1,21 +0,0 @@
> -FAIRCHILD SEMICONDUCTOR FSA9480 MICROUSB SWITCH
> -
> -The FSA9480 is a USB port accessory detector and switch. The FSA9480 is fully
> -controlled using I2C and enables USB data, stereo and mono audio, video,
> -microphone, and UART data to use a common connector port.
> -
> -Required properties:
> - - compatible : Must be one of
> -   "fcs,fsa9480"
> -   "fcs,fsa880"
> - - reg : Specifies i2c slave address. Must be 0x25.
> - - interrupts : Should contain one entry specifying interrupt signal of
> -   interrupt parent to which interrupt pin of the chip is connected.
> -
> - Example:
> -	musb@25 {
> -		compatible = "fcs,fsa9480";
> -		reg = <0x25>;
> -		interrupt-parent = <&gph2>;
> -		interrupts = <7 0>;
> -	};
> diff --git a/Documentation/devicetree/bindings/extcon/fcs,fsa880.yaml b/Documentation/devicetree/bindings/extcon/fcs,fsa880.yaml
> new file mode 100644
> index 000000000000..ef6a246a1337
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/extcon/fcs,fsa880.yaml
> @@ -0,0 +1,52 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: https://protect2.fireeye.com/v1/url?k=da7a3fd4-85e106de-da7bb49b-0cc47a31384a-f57ab7f026383135&q=1&e=f8ca331d-3c11-4257-8322-d97ac13418ef&u=http%3A%2F%2Fdevicetree.org%2Fschemas%2Fextcon%2Ffcs%2Cfsa880.yaml%23
> +$schema: https://protect2.fireeye.com/v1/url?k=0449819e-5bd2b894-04480ad1-0cc47a31384a-07ad90468a2ed371&q=1&e=f8ca331d-3c11-4257-8322-d97ac13418ef&u=http%3A%2F%2Fdevicetree.org%2Fmeta-schemas%2Fcore.yaml%23
> +
> +title: Fairchild Semiconductor FSA880, FSA9480 and compatibles
> +
> +maintainers:
> +  - Linus Walleij <linus.walleij@linaro.org>
> +
> +description:
> +  The FSA880 and FSA9480 are USB port accessory detectors and switches.
> +  The switch is fully controlled using I2C and enables USB data, stereo
> +  and mono audio, video, microphone, and UART data to use a common
> +  connector port. Compatible switches exist from other manufacturers.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - fcs,fsa880
> +      - fcs,fsa9480
> +      - ti,tsu6111
> +
> +  reg:
> +    maxItems: 1
> +    description: The I2C address for an FSA880 compatible device is
> +      usually 0x25.
> +
> +  interrupts:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +        usb-switch@25 {
> +            compatible = "fcs,fsa880";
> +            reg = <0x25>;
> +            interrupt-parent = <&gpio>;
> +            interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
> +        };
> +    };
> 

Acked-by: Chanwoo Choi <cw00.choi@samsung.com>

I'm waiting the reply from DT maintainer for a while.
After that, I'll merge them.

-- 
Best Regards,
Chanwoo Choi
Samsung Electronics