[PATCH v1 0/4] arm64: dts: Mark Variscite i.MX9 I2C recovery GPIOs as open drain

Peng Fan (OSS) peng.fan at oss.nxp.com
Mon Oct 19 23:41:04 PDT 2026


On Sun, 18 Oct 2026 14:32:23 +0200 Stefano Radaelli <stefano.radaelli21 at gmail.com> wrote:

> The I2C recovery GPIOs on VAR-SOM-MX91 and VAR-SOM-MX93, including their
> Symphony carrier boards, are missing the open-drain flag.
> 
> This series adds GPIO_OPEN_DRAIN to the SCL and SDA GPIO specifiers to
> match the I2C bus requirements and avoid the warning emitted when the
> I2C core enforces open-drain operation on SCL.
> 
> Stefano Radaelli (4):
>   arm64: dts: imx91-var-som: Mark I2C recovery GPIOs as open drain
>   arm64: dts: imx91-var-som-symphony: Mark I2C recovery GPIOs as open
>     drain
>   arm64: dts: imx93-var-som: Mark I2C recovery GPIOs as open drain
>   arm64: dts: imx93-var-som-symphony: Mark I2C recovery GPIOs as open
>     drain
> 
>  arch/arm64/boot/dts/freescale/imx91-var-som-symphony.dts | 4 ++--
>  arch/arm64/boot/dts/freescale/imx91-var-som.dtsi         | 4 ++--
>  arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts | 8 ++++----
>  arch/arm64/boot/dts/freescale/imx93-var-som.dtsi         | 4 ++--
>  4 files changed, 10 insertions(+), 10 deletions(-)
> 

LGTM:

Reviewed-by: Peng Fan <peng.fan at nxp.com>

BTW: Do you need fixes tag?



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