Re: [PATCH v2 7/8] arm64: dts: qcom: sm8350: add PCIe devices

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On 10/11/2022 13:53, Johan Hovold wrote:
On Thu, Nov 10, 2022 at 01:33:44PM +0300, Dmitry Baryshkov wrote:
Add PCIe0 and PCIe1 (and corresponding PHY) devices found on SM8350
platform. The PCIe0 is a 1-lane Gen3 host, PCIe1 is a 2-lane Gen3 host.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
  arch/arm64/boot/dts/qcom/sm8350.dtsi | 246 ++++++++++++++++++++++++++-
  1 file changed, 244 insertions(+), 2 deletions(-)

@@ -1761,6 +1957,52 @@ tlmm: pinctrl@f100000 {
  			gpio-ranges = <&tlmm 0 0 204>;
  			wakeup-parent = <&pdc>;
+ pcie0_default_state: pcie0-default-state {
+				perst-pins {
+					pins = "gpio94";
+					function = "gpio";
+					drive-strength = <2>;
+					bias-pull-down;
+				};
+
+				clkreq-pins {
+					pins = "gpio95";
+					function = "pcie0_clkreqn";
+					drive-strength = <2>;
+					bias-pull-up;
+				};
+
+				wake-pins {
+					pins = "gpio96";
+					function = "gpio";
+					drive-strength = <2>;
+					bias-pull-up;
+				};
+			};

The pinconfig should go in the board file.

Usually yes. However for the PCIe we usually put them into the main .dtsi. See sm8[124]50.dtsi.

--
With best wishes
Dmitry




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