[PATCH 2/3] arm64: dts: rockchip: Add PCIe Gen2x1 controller for RK3528
Yao Zi
ziyao at disroot.org
Thu Sep 11 01:09:33 PDT 2025
On Tue, Sep 09, 2025 at 08:50:29PM +0800, Chukun Pan wrote:
> Hi,
>
> > + reg = <0x1 0x40000000 0x0 0x400000>,
> > + <0x0 0xfe4f0000 0x0 0x10000>,
> > + <0x0 0xfc000000 0x0 0x100000>;
>
> Aligning the address for reg and ranges will look better:
>
> reg = <0x1 0x40000000 0x0 0x400000>,
> <0x0 0xfe4f0000 0x0 0x010000>,
> <0x0 0xfc000000 0x0 0x100000>;
Thanks, this makes sense.
> BTW do we possibly need this?
> https://github.com/rockchip-linux/kernel/commit/e9397245c4b1bd62ef929d221e20225d58467dc7
I'm still unsure its purpose, but am willing to adapt this change. See
my reply to Jonas' comment.
> > + clocks = <&cru ACLK_PCIE>, <&cru HCLK_PCIE_SLV>,
> > + <&cru HCLK_PCIE_DBI>, <&cru PCLK_PCIE>,
> > + <&cru CLK_PCIE_AUX>, <&cru PCLK_PCIE_PHY>;
>
> <&cru PCLK_PCIE_PHY> has already been defined in the combphy node,
> is it repeated here?
Yes, it should be managed by PHY instead of the controller. I'll fix it
in v2.
> Thanks,
> Chukun
Best regards,
Yao Zi
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