[PATCH v2 2/2] arm64: dts: rockchip: rk3588: add PCIe3 support

Liviu Dudau liviu at dudau.co.uk
Tue Jul 18 12:38:36 PDT 2023


On Tue, Jul 18, 2023 at 06:01:37PM +0200, Sebastian Reichel wrote:
> Hi Liviu,
> 
> On Tue, Jul 18, 2023 at 04:09:53PM +0100, Liviu Dudau wrote:
> > On Mon, Jul 17, 2023 at 07:35:12PM +0200, Sebastian Reichel wrote:
> > > Add both PCIe3 controllers together with the shared PHY.
> > > 
> > > Signed-off-by: Sebastian Reichel <sebastian.reichel at collabora.com>
> > > ---
> > >  arch/arm64/boot/dts/rockchip/rk3588.dtsi | 120 +++++++++++++++++++++++
> > >  1 file changed, 120 insertions(+)
> > > 
> > > diff --git a/arch/arm64/boot/dts/rockchip/rk3588.dtsi b/arch/arm64/boot/dts/rockchip/rk3588.dtsi
> > > index 88d702575db2..8f210f002fac 100644
> > > --- a/arch/arm64/boot/dts/rockchip/rk3588.dtsi
> > > +++ b/arch/arm64/boot/dts/rockchip/rk3588.dtsi
> > > @@ -7,6 +7,11 @@
> > >  #include "rk3588-pinctrl.dtsi"
> > >  
> > >  / {
> > > +	pcie30_phy_grf: syscon at fd5b8000 {
> > > +		compatible = "rockchip,rk3588-pcie3-phy-grf", "syscon";
> > > +		reg = <0x0 0xfd5b8000 0x0 0x10000>;
> > > +	};
> > > +
> > >  	pipe_phy1_grf: syscon at fd5c0000 {
> > >  		compatible = "rockchip,rk3588-pipe-phy-grf", "syscon";
> > >  		reg = <0x0 0xfd5c0000 0x0 0x100>;
> > 
> > What tree is based this on? Even after applying your PCIe2 series I don't have the above
> > node so the patch doesn't apply to mainline.
> 
> You are missing naneng-combphy support:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git/commit/?h=v6.6-armsoc/dts64&id=6ebd55b3bba383e0523b0c014f17c97f3ce80708

Thanks! It looks like the PCIe2 commit that adds support to rk3588(s).dtsi
files is also missing an #include <dt-bindings/phy/phy.h> for the PHY_TYPE_PCIE
use, otherwise the DTS fail to compile.

Best regards,
Liviu

> 
> -- Sebastian



-- 
Everyone who uses computers frequently has had, from time to time,
a mad desire to attack the precocious abacus with an axe.
       	   	      	     	  -- John D. Clark, Ignition!



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