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From: Shawn Guo <shawnguo@kernel.org>
To: Fabio Estevam <festevam@gmail.com>
Cc: Marek Vasut <marex@denx.de>, NXP Linux Team <linux-imx@nxp.com>,
	"moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE"
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH V4 3/3] ARM: dts: imx53: Add Menlosystems M53 board
Date: Thu, 11 Apr 2019 11:15:37 +0800	[thread overview]
Message-ID: <20190411031534.GP26817@dragon> (raw)
In-Reply-To: <CAOMZO5B=aX0Lo+MVLqgO254iv5LBkM2KH1w1c6wf7U8bRgvhpg@mail.gmail.com>

On Wed, Apr 10, 2019 at 11:30:01PM -0300, Fabio Estevam wrote:
> Hi Shawn,
> 
> On Wed, Apr 10, 2019 at 10:49 PM Shawn Guo <shawnguo@kernel.org> wrote:
> 
> > > The reference manual only indicates there's a MUX_MODE bit for those
> > > signals, there are no other configuration values. So I presume this is
> > > actually correct ?
> >
> > Configuring the pads with unknown values is not a correct thing to me.
> > Again, we are trying to get away from using 0x80000000, so please do not
> > introduce more.
> 
> Looking at the i.MX53 Reference these LVDS pins look different from
> the others because they do not have the associated IOMUXC_SW_PAD_CTL
> register, only the IOMUXC_SW_MUX_CTL_PAD_LVDS0_CLK_P is present. This
> means that we don't have a real value to put in the devicetree, so
> 0x80000000 makes sense in this case.

Okay.  @Marek, please add the comment into the code.

Shawn

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      reply	other threads:[~2019-04-11  3:15 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-21  2:56 [PATCH V4 1/3] of: Add vendor prefix for Menlo Systems GmbH Marek Vasut
2019-03-21  2:56 ` [PATCH V4 2/3] ARM: dts: imx53: Rename M53 SoM touchscreen node Marek Vasut
2019-03-21  2:56 ` [PATCH V4 3/3] ARM: dts: imx53: Add Menlosystems M53 board Marek Vasut
2019-03-26  8:42   ` Shawn Guo
2019-03-26 16:44     ` Marek Vasut
2019-03-29  2:47       ` Shawn Guo
2019-04-09 12:49         ` Marek Vasut
2019-04-11  1:49           ` Shawn Guo
2019-04-11  2:30             ` Fabio Estevam
2019-04-11  3:15               ` Shawn Guo [this message]

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