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    SubjectRE: [PATCH 00/14] arm64: dts: imx8mp: correct pad settings
    Date
    > Subject: Re: [PATCH 00/14] arm64: dts: imx8mp: correct pad settings
    >
    > Hello,
    >
    > On Wed, Jun 22, 2022 at 02:13:56PM +0800, Peng Fan (OSS) wrote:
    > > From: Peng Fan <peng.fan@nxp.com>
    > >
    > > i.MX8MP iomux pad BIT3 and BIT0 are reserved bits. Writing 1 to the
    > > reserved bit will be ignored and reading will still return 0. Although
    > > function not broken with reserved bits set, we should not set reserved
    > > bits.
    >
    > I wonder how you found these. Some time ago I wrote a tool for such issues[1].
    > Currently it only supports i.MX25, i.MX6DL and i.MX6Q, but extending it for
    > the other SoCs should be only some industious effort.

    We have customer has question about the dts pad settings in U-Boot. Since the
    dts in U-Boot was synced from Linux kernel tree, and I found
    the current settings in kernel dts not match with latest reference manual.

    Regards,
    Peng.

    >
    > Best regards
    > Uwe
    >
    > [1]
    > https://git.pengutronix.de/cgit/tools/dt-utils/tree/src/dtblint-imx-pinmux.c
    >
    >
    > --
    > Pengutronix e.K. | Uwe Kleine-König
    > |
    > Industrial Linux Solutions | https://www.pengutronix.de/
    > |

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