linux-kernel - Re: [PATCH v5 06/11] dt-bindings: PCI: Update the RK3399 example to a valid one

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Message-ID: <ZEJW0giyXAlNMYTz@lpieralisi>
Date:   Fri, 21 Apr 2023 11:26:42 +0200
From:   Lorenzo Pieralisi <lpieralisi@...nel.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Rick Wertenbroek <rick.wertenbroek@...il.com>,
        alberto.dassatti@...g-vd.ch, xxm@...k-chips.com,
        dlemoal@...nel.org, Shawn Lin <shawn.lin@...k-chips.com>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Rob Herring <robh@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Caleb Connolly <kc@...tmarketos.org>,
        Corentin Labbe <clabbe@...libre.com>,
        Brian Norris <briannorris@...omium.org>,
        Johan Jonker <jbx6244@...il.com>,
        Judy Hsiao <judyhsiao@...omium.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Hugh Cole-Baker <sigmaris@...il.com>,
        Arnaud Ferraris <arnaud.ferraris@...labora.com>,
        linux-pci@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 06/11] dt-bindings: PCI: Update the RK3399 example to
 a valid one

On Wed, Apr 19, 2023 at 10:01:25PM +0200, Krzysztof Kozlowski wrote:
> On 18/04/2023 09:46, Rick Wertenbroek wrote:
> > Update the example in the documentation to a valid example.
> > Address for mem-base was invalid, it pointed to address
> > 0x8000'0000 which is the upper region of the DDR which
> > is not necessarily populated depending on the board.
> > This address should point to the base of the memory
> > window region of the controller which is 0xfa00'0000.
> > Add missing pinctrl.
> > 
> > Signed-off-by: Rick Wertenbroek <rick.wertenbroek@...il.com>
> > ---
> >  .../devicetree/bindings/pci/rockchip,rk3399-pcie-ep.yaml      | 4 +++-
> >  1 file changed, 3 insertions(+), 1 deletion(-)
> > 
> > diff --git a/Documentation/devicetree/bindings/pci/rockchip,rk3399-pcie-ep.yaml b/Documentation/devicetree/bindings/pci/rockchip,rk3399-pcie-ep.yaml
> > index 88386a6d7011..6b62f6f58efe 100644
> > --- a/Documentation/devicetree/bindings/pci/rockchip,rk3399-pcie-ep.yaml
> > +++ b/Documentation/devicetree/bindings/pci/rockchip,rk3399-pcie-ep.yaml
> > @@ -47,7 +47,7 @@ examples:
> >  
> >          pcie-ep@...00000 {
> >              compatible = "rockchip,rk3399-pcie-ep";
> > -            reg = <0x0 0xfd000000 0x0 0x1000000>, <0x0 0x80000000 0x0 0x20000>;
> > +            reg = <0x0 0xfd000000 0x0 0x1000000>, <0x0 0xfa000000 0x0 0x2000000>;
> >              reg-names = "apb-base", "mem-base";
> >              clocks = <&cru ACLK_PCIE>, <&cru ACLK_PERF_PCIE>,
> >                <&cru PCLK_PCIE>, <&cru SCLK_PCIE_PM>;
> > @@ -63,6 +63,8 @@ examples:
> >              phys = <&pcie_phy 0>, <&pcie_phy 1>, <&pcie_phy 2>, <&pcie_phy 3>;
> >              phy-names = "pcie-phy-0", "pcie-phy-1", "pcie-phy-2", "pcie-phy-3";
> >              rockchip,max-outbound-regions = <16>;
> > +            pinctrl-names = "default";
> > +            pinctrl-0 = <&pcie_clkreqnb_cpm>;
> 
> This is just example of the binding, you do not need to fill all
> unrelated (generic) properties like pinctrl.

Should I merge it as-is ?

Thanks,
Lorenzo

> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> 
> Best regards,
> Krzysztof
>