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Date: Thu, 13 Jun 2024 01:02:57 +0000
From: Minda Chen <minda.chen@...rfivetech.com>
To: Conor Dooley <conor@...nel.org>
CC: Rob Herring <robh+dt@...nel.org>, Emil Renner Berthing
	<emil.renner.berthing@...onical.com>, Krzysztof Kozlowski
	<krzysztof.kozlowski+dt@...aro.org>, "devicetree@...r.kernel.org"
	<devicetree@...r.kernel.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, "linux-riscv@...ts.infradead.org"
	<linux-riscv@...ts.infradead.org>, Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>
Subject:
 回复: Re : [PATCH v1] riscv: dts: starfive: add PCIe dts configuration for JH7110



> 
> On Wed, Jun 12, 2024 at 01:48:55AM +0000, Minda Chen wrote:
> >
> >
> > >
> > > 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@...rfivetech.com>
> > > > Reviewed-by: Hal Feng <hal.feng@...rfivetech.com>
> > > > ---
> > > >  .../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.
> 
> This patch adds both PCIe instances for the Star64 though, since that also
> includes jh7110-common.dtsi. I think you need to enable these in the board dts
> files instead?

OK. I will enable them in board dts file. Thanks.

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