linux-kernel - Re: [PATCH v6 2/7] dt-bindings: rtc: abx80x: convert to yaml

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Date: Mon, 12 Feb 2024 21:06:36 +0100
From: Alexandre Belloni <alexandre.belloni@...tlin.com>
To: Josua Mayer <josua@...id-run.com>
Cc: Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>,
	Tero Kristo <kristo@...nel.org>, Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Alessandro Zummo <a.zummo@...ertech.it>,
	Jonathan Cameron <jic23@...nel.org>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Tudor Ambarus <tudor.ambarus@...aro.org>,
	Pratyush Yadav <pratyush@...nel.org>,
	Michael Walle <mwalle@...nel.org>,
	Miquel Raynal <miquel.raynal@...tlin.com>,
	Richard Weinberger <richard@....at>,
	Yazan Shhady <yazan.shhady@...id-run.com>,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-rtc@...r.kernel.org,
	linux-iio@...r.kernel.org, Rob Herring <robh@...nel.org>,
	linux-mtd@...ts.infradead.org
Subject: Re: [PATCH v6 2/7] dt-bindings: rtc: abx80x: convert to yaml

On 12/02/2024 18:38:09+0100, Josua Mayer wrote:
> Convert the abracon abx80x rtc text bindings to dt-schema format.
> 
> In addition to the text description reference generic interrupts
> properties and add an example.
> 
> Signed-off-by: Josua Mayer <josua@...id-run.com>

Did something change since v6? If not, why didn't you collect the
reviewed-by tag?

> ---
>  .../devicetree/bindings/rtc/abracon,abx80x.txt     | 31 ---------
>  .../devicetree/bindings/rtc/abracon,abx80x.yaml    | 79 ++++++++++++++++++++++
>  2 files changed, 79 insertions(+), 31 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/rtc/abracon,abx80x.txt b/Documentation/devicetree/bindings/rtc/abracon,abx80x.txt
> deleted file mode 100644
> index 2405e35a1bc0..000000000000
> --- a/Documentation/devicetree/bindings/rtc/abracon,abx80x.txt
> +++ /dev/null
> @@ -1,31 +0,0 @@
> -Abracon ABX80X I2C ultra low power RTC/Alarm chip
> -
> -The Abracon ABX80X family consist of the ab0801, ab0803, ab0804, ab0805, ab1801,
> -ab1803, ab1804 and ab1805. The ab0805 is the superset of ab080x and the ab1805
> -is the superset of ab180x.
> -
> -Required properties:
> -
> - - "compatible": should one of:
> -        "abracon,abx80x"
> -        "abracon,ab0801"
> -        "abracon,ab0803"
> -        "abracon,ab0804"
> -        "abracon,ab0805"
> -        "abracon,ab1801"
> -        "abracon,ab1803"
> -        "abracon,ab1804"
> -        "abracon,ab1805"
> -        "microcrystal,rv1805"
> -	Using "abracon,abx80x" will enable chip autodetection.
> - - "reg": I2C bus address of the device
> -
> -Optional properties:
> -
> -The abx804 and abx805 have a trickle charger that is able to charge the
> -connected battery or supercap. Both the following properties have to be defined
> -and valid to enable charging:
> -
> - - "abracon,tc-diode": should be "standard" (0.6V) or "schottky" (0.3V)
> - - "abracon,tc-resistor": should be <0>, <3>, <6> or <11>. 0 disables the output
> -                          resistor, the other values are in kOhm.
> diff --git a/Documentation/devicetree/bindings/rtc/abracon,abx80x.yaml b/Documentation/devicetree/bindings/rtc/abracon,abx80x.yaml
> new file mode 100644
> index 000000000000..58dbbca27deb
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/rtc/abracon,abx80x.yaml
> @@ -0,0 +1,79 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/rtc/abracon,abx80x.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Abracon ABX80X I2C ultra low power RTC/Alarm chip
> +
> +maintainers:
> +  - linux-rtc@...r.kernel.org
> +
> +allOf:
> +  - $ref: rtc.yaml#
> +
> +properties:
> +  compatible:
> +    description:
> +      The wildcard 'abracon,abx80x' may be used to support a mix
> +      of different abracon rtc`s. In this case the driver
> +      must perform auto-detection from ID register.
> +    enum:
> +      - abracon,abx80x
> +      - abracon,ab0801
> +      - abracon,ab0803
> +      - abracon,ab0804
> +      - abracon,ab0805
> +      - abracon,ab1801
> +      - abracon,ab1803
> +      - abracon,ab1804
> +      - abracon,ab1805
> +      - microcrystal,rv1805
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  abracon,tc-diode:
> +    description:
> +      Trickle-charge diode type.
> +      Required to enable charging backup battery.
> +
> +      Supported are 'standard' diodes with a 0.6V drop
> +      and 'schottky' diodes with a 0.3V drop.
> +    $ref: /schemas/types.yaml#/definitions/string
> +    enum:
> +      - standard
> +      - schottky
> +
> +  abracon,tc-resistor:
> +    description:
> +      Trickle-charge resistor value in kOhm.
> +      Required to enable charging backup battery.
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    enum: [0, 3, 6, 11]
> +
> +required:
> +  - compatible
> +  - reg
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        rtc@69 {
> +            compatible = "abracon,abx80x";
> +            reg = <0x69>;
> +            abracon,tc-diode = "schottky";
> +            abracon,tc-resistor = <3>;
> +            interrupts = <44 IRQ_TYPE_EDGE_FALLING>;
> +        };
> +    };
> 
> -- 
> 2.35.3
> 

-- 
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com