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[PATCH v2 6/6] arm64: dts: qcom: ipq5332: Enable PCIe phys and controllers

Varadarajan Narayanan posted 6 patches 1 year ago
There is a newer version of this series
[PATCH v2 6/6] arm64: dts: qcom: ipq5332: Enable PCIe phys and controllers
Posted by Varadarajan Narayanan 1 year ago 
From: Praveenkumar I <quic_ipkumar@quicinc.com>

Enable the PCIe controller and PHY nodes for RDP 441.

Signed-off-by: Praveenkumar I <quic_ipkumar@quicinc.com>
Signed-off-by: Varadarajan Narayanan <quic_varada@quicinc.com>
---
 arch/arm64/boot/dts/qcom/ipq5332-rdp441.dts | 74 +++++++++++++++++++++
 1 file changed, 74 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/ipq5332-rdp441.dts b/arch/arm64/boot/dts/qcom/ipq5332-rdp441.dts
index 846413817e9a..83eca8435cff 100644
--- a/arch/arm64/boot/dts/qcom/ipq5332-rdp441.dts
+++ b/arch/arm64/boot/dts/qcom/ipq5332-rdp441.dts
@@ -62,4 +62,78 @@ data-pins {
 			bias-pull-up;
 		};
 	};
+
+	pcie0_default: pcie0-default-state {
+		clkreq-n-pins {
+			pins = "gpio37";
+			function = "pcie0_clk";
+			drive-strength = <8>;
+			bias-pull-up;
+		};
+
+		perst-n-pins {
+			pins = "gpio38";
+			function = "gpio";
+			drive-strength = <8>;
+			bias-pull-up;
+			output-low;
+		};
+
+		wake-n-pins {
+			pins = "gpio39";
+			function = "pcie0_wake";
+			drive-strength = <8>;
+			bias-pull-up;
+		};
+	};
+
+	pcie1_default: pcie1-default-state {
+		clkreq-n-pins {
+			pins = "gpio46";
+			function = "pcie1_clk";
+			drive-strength = <8>;
+			bias-pull-up;
+		};
+
+		perst-n-pins {
+			pins = "gpio47";
+			function = "gpio";
+			drive-strength = <8>;
+			bias-pull-up;
+			output-low;
+		};
+
+		wake-n-pins {
+			pins = "gpio48";
+			function = "pcie1_wake";
+			drive-strength = <8>;
+			bias-pull-up;
+		};
+	};
+};
+
+&pcie0_phy {
+	status = "okay";
+};
+
+&pcie0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie0_default>;
+
+	perst-gpios = <&tlmm 38 GPIO_ACTIVE_LOW>;
+	wake-gpios = <&tlmm 39 GPIO_ACTIVE_LOW>;
+	status = "okay";
+};
+
+&pcie1_phy {
+	status = "okay";
+};
+
+&pcie1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie1_default>;
+
+	perst-gpios = <&tlmm 47 GPIO_ACTIVE_LOW>;
+	wake-gpios = <&tlmm 48 GPIO_ACTIVE_LOW>;
+	status = "okay";
 };
-- 
2.34.1
Re: [PATCH v2 6/6] arm64: dts: qcom: ipq5332: Enable PCIe phys and controllers
Posted by Konrad Dybcio 1 year ago 
On 4.12.2024 12:33 PM, Varadarajan Narayanan wrote:

Subject:

arm64: dts: qcom: ipq5332-rdp441: xyz abc

Konrad
Re: [PATCH v2 6/6] arm64: dts: qcom: ipq5332: Enable PCIe phys and controllers
Posted by Konrad Dybcio 1 year ago 
On 4.12.2024 12:33 PM, Varadarajan Narayanan wrote:
> From: Praveenkumar I <quic_ipkumar@quicinc.com>
> 
> Enable the PCIe controller and PHY nodes for RDP 441.
> 
> Signed-off-by: Praveenkumar I <quic_ipkumar@quicinc.com>
> Signed-off-by: Varadarajan Narayanan <quic_varada@quicinc.com>
> ---
>  arch/arm64/boot/dts/qcom/ipq5332-rdp441.dts | 74 +++++++++++++++++++++
>  1 file changed, 74 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/ipq5332-rdp441.dts b/arch/arm64/boot/dts/qcom/ipq5332-rdp441.dts
> index 846413817e9a..83eca8435cff 100644
> --- a/arch/arm64/boot/dts/qcom/ipq5332-rdp441.dts
> +++ b/arch/arm64/boot/dts/qcom/ipq5332-rdp441.dts
> @@ -62,4 +62,78 @@ data-pins {
>  			bias-pull-up;
>  		};
>  	};
> +
> +	pcie0_default: pcie0-default-state {
> +		clkreq-n-pins {
> +			pins = "gpio37";
> +			function = "pcie0_clk";
> +			drive-strength = <8>;
> +			bias-pull-up;
> +		};
> +
> +		perst-n-pins {
> +			pins = "gpio38";
> +			function = "gpio";
> +			drive-strength = <8>;
> +			bias-pull-up;
> +			output-low;
> +		};
> +
> +		wake-n-pins {
> +			pins = "gpio39";
> +			function = "pcie0_wake";
> +			drive-strength = <8>;
> +			bias-pull-up;
> +		};
> +	};
> +
> +	pcie1_default: pcie1-default-state {
> +		clkreq-n-pins {
> +			pins = "gpio46";
> +			function = "pcie1_clk";
> +			drive-strength = <8>;
> +			bias-pull-up;
> +		};
> +
> +		perst-n-pins {
> +			pins = "gpio47";
> +			function = "gpio";
> +			drive-strength = <8>;
> +			bias-pull-up;
> +			output-low;
> +		};
> +
> +		wake-n-pins {
> +			pins = "gpio48";
> +			function = "pcie1_wake";
> +			drive-strength = <8>;
> +			bias-pull-up;
> +		};
> +	};
> +};
> +
> +&pcie0_phy {
> +	status = "okay";
> +};

'p' < 't', please put this before &tlmm

Also, would this be something to put into rdp-common?

Do we still use all of these variants?

$ ls arch/arm64/boot/dts/qcom/ipq5332-rdp*.dts
  arch/arm64/boot/dts/qcom/ipq5332-rdp441.dts
  arch/arm64/boot/dts/qcom/ipq5332-rdp442.dts
  arch/arm64/boot/dts/qcom/ipq5332-rdp468.dts
  arch/arm64/boot/dts/qcom/ipq5332-rdp474.dts

Konrad
Re: [PATCH v2 6/6] arm64: dts: qcom: ipq5332: Enable PCIe phys and controllers
Posted by Varadarajan Narayanan 1 year ago 
On Thu, Dec 05, 2024 at 05:58:19PM +0100, Konrad Dybcio wrote:
> On 4.12.2024 12:33 PM, Varadarajan Narayanan wrote:
> > From: Praveenkumar I <quic_ipkumar@quicinc.com>
> >
> > Enable the PCIe controller and PHY nodes for RDP 441.
> >
> > Signed-off-by: Praveenkumar I <quic_ipkumar@quicinc.com>
> > Signed-off-by: Varadarajan Narayanan <quic_varada@quicinc.com>
> > ---
> >  arch/arm64/boot/dts/qcom/ipq5332-rdp441.dts | 74 +++++++++++++++++++++
> >  1 file changed, 74 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/ipq5332-rdp441.dts b/arch/arm64/boot/dts/qcom/ipq5332-rdp441.dts
> > index 846413817e9a..83eca8435cff 100644
> > --- a/arch/arm64/boot/dts/qcom/ipq5332-rdp441.dts
> > +++ b/arch/arm64/boot/dts/qcom/ipq5332-rdp441.dts
> > @@ -62,4 +62,78 @@ data-pins {
> >  			bias-pull-up;
> >  		};
> >  	};
> > +
> > +	pcie0_default: pcie0-default-state {
> > +		clkreq-n-pins {
> > +			pins = "gpio37";
> > +			function = "pcie0_clk";
> > +			drive-strength = <8>;
> > +			bias-pull-up;
> > +		};
> > +
> > +		perst-n-pins {
> > +			pins = "gpio38";
> > +			function = "gpio";
> > +			drive-strength = <8>;
> > +			bias-pull-up;
> > +			output-low;
> > +		};
> > +
> > +		wake-n-pins {
> > +			pins = "gpio39";
> > +			function = "pcie0_wake";
> > +			drive-strength = <8>;
> > +			bias-pull-up;
> > +		};
> > +	};
> > +
> > +	pcie1_default: pcie1-default-state {
> > +		clkreq-n-pins {
> > +			pins = "gpio46";
> > +			function = "pcie1_clk";
> > +			drive-strength = <8>;
> > +			bias-pull-up;
> > +		};
> > +
> > +		perst-n-pins {
> > +			pins = "gpio47";
> > +			function = "gpio";
> > +			drive-strength = <8>;
> > +			bias-pull-up;
> > +			output-low;
> > +		};
> > +
> > +		wake-n-pins {
> > +			pins = "gpio48";
> > +			function = "pcie1_wake";
> > +			drive-strength = <8>;
> > +			bias-pull-up;
> > +		};
> > +	};
> > +};
> > +
> > +&pcie0_phy {
> > +	status = "okay";
> > +};
>
> 'p' < 't', please put this before &tlmm
>
> Also, would this be something to put into rdp-common?
>
> Do we still use all of these variants?
>
> $ ls arch/arm64/boot/dts/qcom/ipq5332-rdp*.dts
>   arch/arm64/boot/dts/qcom/ipq5332-rdp441.dts
>   arch/arm64/boot/dts/qcom/ipq5332-rdp442.dts
>   arch/arm64/boot/dts/qcom/ipq5332-rdp468.dts
>   arch/arm64/boot/dts/qcom/ipq5332-rdp474.dts

Yes.

Will fix the comments (here and other patches) and post a new version.

Thanks
Varada

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