linux-kernel - Re: [PATCH 5/8] dt-bindings: mfd: add Maxim MAX77714 PMIC

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Date:   Tue, 12 Oct 2021 10:02:58 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Luca Ceresoli <luca@...aceresoli.net>, linux-kernel@...r.kernel.org
Cc:     Lee Jones <lee.jones@...aro.org>, Rob Herring <robh+dt@...nel.org>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>, devicetree@...r.kernel.org,
        linux-rtc@...r.kernel.org, linux-watchdog@...r.kernel.org,
        Chiwoong Byun <woong.byun@...sung.com>,
        Laxman Dewangan <ldewangan@...dia.com>
Subject: Re: [PATCH 5/8] dt-bindings: mfd: add Maxim MAX77714 PMIC

On 11/10/2021 17:56, Luca Ceresoli wrote:
> Add bindings for the MAX77714 PMIC with GPIO, RTC and watchdog.
> 
> Signed-off-by: Luca Ceresoli <luca@...aceresoli.net>
> ---
>  .../bindings/mfd/maxim,max77714.yaml          | 58 +++++++++++++++++++
>  MAINTAINERS                                   |  5 ++
>  2 files changed, 63 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mfd/maxim,max77714.yaml
> 
> diff --git a/Documentation/devicetree/bindings/mfd/maxim,max77714.yaml b/Documentation/devicetree/bindings/mfd/maxim,max77714.yaml
> new file mode 100644
> index 000000000000..2b0ce3b9bc92
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/maxim,max77714.yaml
> @@ -0,0 +1,58 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mfd/maxim,max77714.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MAX77714 PMIC with GPIO, RTC and watchdog from Maxim Integrated.
> +
> +maintainers:
> +  - Luca Ceresoli <luca@...aceresoli.net>
> +
> +description: |
> +  MAX77714 is a Power Management IC with 4 buck regulators, 9
> +  low-dropout regulators, 8 GPIOs, RTC and watchdog.
> +
> +properties:
> +  compatible:
> +    const: maxim,max77714
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  interrupt-controller: true
> +
> +  "#interrupt-cells":
> +    const: 2
> +    description:
> +      The first cell is the IRQ number, the second cell is the trigger type.
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - interrupt-controller
> +  - "#interrupt-cells"
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        pmic@1c {
> +            compatible = "maxim,max77714";
> +            reg = <0x1c>;
> +            interrupt-parent = <&gpio2>;
> +            interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
> +
> +            interrupt-controller;
> +            #interrupt-cells = <2>;
> +        };
> +    };

Looks good to me, but what about regulators and other properties? Are
you planning to add them later?


Best regards,
Krzysztof