Re : [PATCH v1] riscv: dts: starfive: add PCIe dts configuration for JH7110

From: Minda Chen
Date: Tue Jun 11 2024 - 22:04:08 EST




>
> On Tue, Jun 11, 2024 at 09:52:00AM +0800, Minda Chen wrote:
> > Add PCIe dts configuraion for JH7110 SoC platform.
> >
> > Signed-off-by: Minda Chen <minda.chen@xxxxxxxxxxxxxxxx>
> > Reviewed-by: Hal Feng <hal.feng@xxxxxxxxxxxxxxxx>
> > ---
> > .../boot/dts/starfive/jh7110-common.dtsi | 64 ++++++++++++++
> > arch/riscv/boot/dts/starfive/jh7110.dtsi | 86 +++++++++++++++++++
> > 2 files changed, 150 insertions(+)
> >
> > diff --git a/arch/riscv/boot/dts/starfive/jh7110-common.dtsi
> > b/arch/riscv/boot/dts/starfive/jh7110-common.dtsi
> > index 8ff6ea64f048..1da7379f4e08 100644
> > --- a/arch/riscv/boot/dts/starfive/jh7110-common.dtsi
> > +++ b/arch/riscv/boot/dts/starfive/jh7110-common.dtsi
> > @@ -294,6 +294,22 @@
> > status = "okay";
> > };
> >
> > +&pcie0 {
> > + perst-gpios = <&sysgpio 26 GPIO_ACTIVE_LOW>;
> > + phys = <&pciephy0>;
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pcie0_pins>;
> > + status = "okay";
> > +};
> > +
> > +&pcie1 {
> > + perst-gpios = <&sysgpio 28 GPIO_ACTIVE_LOW>;
> > + phys = <&pciephy1>;
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&pcie1_pins>;
> > + status = "okay";
> > +};
>
> Do all 3 of the mars, star64 and visionfive 2 have both PCIe ports exposed? I
> assume if one does, all does, since they're basically identical?

Visionfive 2 and milkv mars are all the same. Star64 do NOT enable PCIe0, PCIe1 pins are the same.