[PATCH v3] arm64: dts: freescale: imx93-phycore-som: Delay the phy reset by a gpio
Shawn Guo
shawnguo2 at yeah.net
Tue Aug 19 19:36:04 PDT 2025
On Sat, May 24, 2025 at 01:23:15PM +0200, Christoph Stoidner wrote:
> According to the datasheet the phy needs to be held in reset until the
> reference clock got stable. Even though no issue was observed, fix this
> as the software should always comply with the specification.
>
> Use gpio4 23, which is connected to the phy reset pin. On the same pin
> RX_ER was used before, but this signal is optional and can be dropped.
>
> Note: This comes into effect with the phyCOREs SOM hardware revision 4.
> In revisions before, this gpio is not connected, and the phy reset is
> managed with the global hardware reset circuit.
>
> Signed-off-by: Christoph Stoidner <c.stoidner at phytec.de>
Applied, thanks!
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