[PATCH v7 1/7] dt-binding: phy: Add iMX8MP PCIe PHY binding

Rob Herring robh at kernel.org
Thu Sep 8 12:42:58 PDT 2022


On Fri, 02 Sep 2022 16:58:00 +0800, Richard Zhu wrote:
> Add i.MX8MP PCIe PHY binding.
> On iMX8MM, the initialized default value of PERST bit(BIT3) of
> SRC_PCIEPHY_RCR is 1b'1.
> But i.MX8MP has one inversed default value 1b'0 of PERST bit.
> 
> And the PERST bit should be kept 1b'1 after power and clocks are stable.
> So add one more PERST explicitly for i.MX8MP PCIe PHY.
> 
> Signed-off-by: Richard Zhu <hongxing.zhu at nxp.com>
> Tested-by: Marek Vasut <marex at denx.de>
> Tested-by: Richard Leitner <richard.leitner at skidata.com>
> Tested-by: Alexander Stein <alexander.stein at ew.tq-group.com>
> Reviewed-by: Lucas Stach <l.stach at pengutronix.de>
> ---
>  .../bindings/phy/fsl,imx8-pcie-phy.yaml          | 16 +++++++++++++---
>  1 file changed, 13 insertions(+), 3 deletions(-)
> 

Reviewed-by: Rob Herring <robh at kernel.org>



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