linux-kernel - Re: [v4 01/15] dt-bindings: iio: adc: Add ast2600-adc bindings

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Date:   Wed, 25 Aug 2021 00:06:47 +0000
From:   Billy Tsai <billy_tsai@...eedtech.com>
To:     Rob Herring <robh@...nel.org>
CC:     "jic23@...nel.org" <jic23@...nel.org>,
        "lars@...afoo.de" <lars@...afoo.de>,
        "pmeerw@...erw.net" <pmeerw@...erw.net>,
        "joel@....id.au" <joel@....id.au>,
        "andrew@...id.au" <andrew@...id.au>,
        "p.zabel@...gutronix.de" <p.zabel@...gutronix.de>,
        "lgirdwood@...il.com" <lgirdwood@...il.com>,
        "broonie@...nel.org" <broonie@...nel.org>,
        "linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-aspeed@...ts.ozlabs.org" <linux-aspeed@...ts.ozlabs.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        BMC-SW <BMC-SW@...eedtech.com>
Subject: Re: [v4 01/15] dt-bindings: iio: adc: Add ast2600-adc bindings

Hi Rob,

On 2021/8/24, 8:13 PM, "Rob Herring" <robh@...nel.org> wrote:

    On Mon, Aug 23, 2021 at 03:02:26PM +0800, Billy Tsai wrote:
    >   > +properties:
    >   > +  compatible:
    >   > +    enum:
    >   > +      - aspeed,ast2600-adc0
    >   > +      - aspeed,ast2600-adc1

    > What's the difference between 0 and 1?

Their trimming data, which is used to calibrate internal reference volage,
locates in different address of OTP.

Best Regards,
Billy Tsai