Re: [PATCH v7 1/7] dt-binding: phy: Add iMX8MP PCIe PHY binding
From: Rob Herring
Date: Thu Sep 08 2022 - 15:44:30 EST
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@xxxxxxx>
> Tested-by: Marek Vasut <marex@xxxxxxx>
> Tested-by: Richard Leitner <richard.leitner@xxxxxxxxxxx>
> Tested-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>
> Reviewed-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
> ---
> .../bindings/phy/fsl,imx8-pcie-phy.yaml | 16 +++++++++++++---
> 1 file changed, 13 insertions(+), 3 deletions(-)
>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>