linux-kernel - Re: [PATCH v7 12/12] arm64: dts: qcom: sm8550-mtp: Add PCIe PHYs and controllers nodes

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Date:   Fri, 3 Feb 2023 12:36:05 +0200
From:   Abel Vesa <abel.vesa@...aro.org>
To:     Johan Hovold <johan@...nel.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        "vkoul@...nel.org" <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Johan Hovold <johan+linaro@...nel.org>,
        linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
        linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Neil Armstrong <neil.armstrong@...aro.org>
Subject: Re: [PATCH v7 12/12] arm64: dts: qcom: sm8550-mtp: Add PCIe PHYs and
 controllers nodes

On 23-02-03 10:56:31, Johan Hovold wrote:
> On Fri, Feb 03, 2023 at 10:18:07AM +0200, Abel Vesa wrote:
> > Enable PCIe controllers and PHYs nodes on SM8550 MTP board.
> > 
> > Co-developed-by: Neil Armstrong <neil.armstrong@...aro.org>
> > Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
> > Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
> > ---
> 
> > +&pcie_1_phy_aux_clk {
> > +	clock-frequency = <1000>;
> > +};
> > +
> > +&pcie0 {
> > +	wake-gpios = <&tlmm 96 GPIO_ACTIVE_HIGH>;
> > +	perst-gpios = <&tlmm 94 GPIO_ACTIVE_LOW>;
> > +
> > +	pinctrl-names = "default";
> > +	pinctrl-0 = <&pcie0_default_state>;
> > +
> > +	status = "okay";
> > +};
> > +
> > +&pcie0_phy {
> > +	vdda-phy-supply = <&vreg_l1e_0p88>;
> > +	vdda-pll-supply = <&vreg_l3e_1p2>;
> 
> Super nit: add newline for consistency.
> 
> > +	status = "okay";
> > +};
> > +
> > +&pcie1 {
> > +	wake-gpios = <&tlmm 99 GPIO_ACTIVE_HIGH>;
> > +	perst-gpios = <&tlmm 97 GPIO_ACTIVE_LOW>;
> 
> Neither controller needs the new enable gpio?

Nope, none of the controllers need it.

> 
> > +
> > +	pinctrl-names = "default";
> > +	pinctrl-0 = <&pcie1_default_state>;
> > +
> > +	status = "okay";
> > +};
> > +
> > +&pcie1_phy {
> > +	vdda-phy-supply = <&vreg_l3c_0p91>;
> > +	vdda-pll-supply = <&vreg_l3e_1p2>;
> > +	vdda-qref-supply = <&vreg_l1e_0p88>;
> > +
> > +	status = "okay";
> > +};
> > +
> >  &pm8550_gpios {
> >  	sdc2_card_det_n: sdc2-card-det-state {
> >  		pins = "gpio12";
> 
> Johan