linux-kernel - RE: [PATCH] dt-bindings: iio: admv1014: make all regs required

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Message-ID: <BN6PR03MB3395F9139A225AA97A100B829B01A@BN6PR03MB3395.namprd03.prod.outlook.com>
Date:   Thu, 27 Jul 2023 12:02:04 +0000
From:   "Miclaus, Antoniu" <Antoniu.Miclaus@...log.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        "jic23@...nel.org" <jic23@...nel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "conor+dt@...nel.org" <conor+dt@...nel.org>,
        "linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] dt-bindings: iio: admv1014: make all regs required

> -----Original Message-----
> From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Sent: Thursday, July 27, 2023 2:47 PM
> To: Miclaus, Antoniu <Antoniu.Miclaus@...log.com>; jic23@...nel.org;
> robh+dt@...nel.org; krzysztof.kozlowski+dt@...aro.org;
> conor+dt@...nel.org; linux-iio@...r.kernel.org;
> devicetree@...r.kernel.org; linux-kernel@...r.kernel.org
> Subject: Re: [PATCH] dt-bindings: iio: admv1014: make all regs required
> 
> [External]
> 
> On 27/07/2023 13:31, Antoniu Miclaus wrote:
> > Since the regulators are required in the driver implementation, make
> > them required also in the bindings.
> >
> 
> The true reason should be whether the hardware requires them. Because if
> hardware does not need some, the driver should be fixed.
The datasheet is not very explicit on this topic, but all the specifications of the
part are built around these pins being supplied.
Moreover, the evaluation board or the part comes with all VCC pins connected
to fixed supplies.
> Best regards,
> Krzysztof