linux-kernel - Re: [PATCH 1/3] pinctrl: mvebu: Fix i2c sda definition for 98DX3236

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Date:   Mon, 7 Sep 2020 17:45:08 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Chris Packham <chris.packham@...iedtelesis.co.nz>
Cc:     jason@...edaemon.net, gregory.clement@...tlin.com,
        sebastian.hesselbarth@...il.com, robh+dt@...nel.org,
        linus.walleij@...aro.org, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Kalyan Kinthada <kalyan.kinthada@...iedtelesis.co.nz>,
        Rob Herring <robh@...nel.org>
Subject: Re: [PATCH 1/3] pinctrl: mvebu: Fix i2c sda definition for 98DX3236

On Mon, Sep 07, 2020 at 02:41:47PM +1200, Chris Packham wrote:
> Per the datasheet the i2c functions use MPP_Sel=0x1. They are documented
> as using MPP_Sel=0x4 as well but mixing 0x1 and 0x4 is clearly wrong. On
> the board tested 0x4 resulted in a non-functioning i2c bus so stick with
> 0x1 which works.
> 
> Fixes: d7ae8f8dee7f ("pinctrl: mvebu: pinctrl driver for 98DX3236 SoC")
> Signed-off-by: Chris Packham <chris.packham@...iedtelesis.co.nz>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew