linux-kernel - [PATCH v6 3/4] arm64: dts: qcom: sc7280: Add PCIe nodes for IDP board

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Date:   Thu,  9 Sep 2021 23:10:44 +0530
From:   Prasad Malisetty <pmaliset@...eaurora.org>
To:     agross@...nel.org, bjorn.andersson@...aro.org, bhelgaas@...gle.com,
        robh+dt@...nel.org, swboyd@...omium.org, lorenzo.pieralisi@....com,
        svarbanov@...sol.com
Cc:     devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        dianders@...omium.org, mka@...omium.org, vbadigan@...eaurora.org,
        sallenki@...eaurora.org, manivannan.sadhasivam@...aro.org,
        Prasad Malisetty <pmaliset@...eaurora.org>
Subject: [PATCH v6 3/4] arm64: dts: qcom: sc7280: Add PCIe nodes for IDP board

Add PCIe and PHY nodes for sc7280 IDP board.

Signed-off-by: Prasad Malisetty <pmaliset@...eaurora.org>
---
 arch/arm64/boot/dts/qcom/sc7280-idp.dts | 39 +++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dts b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
index 64fc22a..b249ca1 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-idp.dts
+++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
@@ -61,6 +61,45 @@
 	modem-init;
 };
 
+&pcie1 {
+	status = "okay";
+
+	vdda-supply = <&vreg_l10c_0p8>;
+};
+
+&pcie1_phy {
+	status = "okay";
+
+	vdda-phy-supply = <&vreg_l10c_0p8>;
+	vdda-pll-supply = <&vreg_l6b_1p2>;
+};
+
+&pcie1_default_state {
+	clkreq {
+		bias-pull-up;
+	};
+
+	reset-n {
+		pins = "gpio2";
+		function = "gpio";
+
+		drive-strength = <16>;
+		output-low;
+		bias-disable;
+	};
+
+	wake-n {
+		drive-strength = <2>;
+		bias-pull-up;
+	};
+
+	nvme-n {
+		pins = "gpio19";
+		function = "gpio";
+		bias-pull-up;
+	};
+};
+
 &pmk8350_vadc {
 	pmr735a_die_temp {
 		reg = <PMR735A_ADC7_DIE_TEMP>;
-- 
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