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Message-Id: <1631643550-29960-4-git-send-email-pmaliset@codeaurora.org>
Date:   Tue, 14 Sep 2021 23:49:09 +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 v7 3/4] arm64: dts: qcom: sc7280: Add PCIe nodes for IDP board

Enable PCIe controller and PHY for sc7280 IDP board.
Add specific NVMe GPIO entries for SKU1 and SKU2 support.

Signed-off-by: Prasad Malisetty <pmaliset@...eaurora.org>
---
 arch/arm64/boot/dts/qcom/sc7280-idp.dts  |  9 +++++++++
 arch/arm64/boot/dts/qcom/sc7280-idp.dtsi | 32 ++++++++++++++++++++++++++++++++
 arch/arm64/boot/dts/qcom/sc7280-idp2.dts |  9 +++++++++
 3 files changed, 50 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dts b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
index 64fc22a..2cc6b0a 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-idp.dts
+++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
@@ -61,6 +61,15 @@
 	modem-init;
 };
 
+&pcie1_default_state {
+	nvme-n {
+		pins = "gpio19";
+		function = "gpio";
+
+		bias-pull-up;
+	};
+};
+
 &pmk8350_vadc {
 	pmr735a_die_temp {
 		reg = <PMR735A_ADC7_DIE_TEMP>;
diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
index 371a2a9..e73a7c2 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
@@ -199,6 +199,38 @@
 	modem-init;
 };
 
+&pcie1 {
+	status = "okay";
+
+	perst-gpio = <&tlmm 2 GPIO_ACTIVE_LOW>;
+};
+
+&pcie1_phy {
+	status = "okay";
+
+	vdda-phy-supply = <&vreg_l10c_0p8>;
+	vdda-pll-supply = <&vreg_l6b_1p2>;
+};
+
+&pcie1_default_state {
+	reset-n {
+		pins = "gpio2";
+		function = "gpio";
+
+		drive-strength = <16>;
+		output-low;
+		bias-disable;
+	};
+
+	wake-n {
+		pins = "gpio3";
+		function = "gpio";
+
+		drive-strength = <2>;
+		bias-pull-up;
+	};
+};
+
 &pmk8350_vadc {
 	pmk8350_die_temp {
 		reg = <PMK8350_ADC7_DIE_TEMP>;
diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp2.dts b/arch/arm64/boot/dts/qcom/sc7280-idp2.dts
index 1fc2add..8432afc 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-idp2.dts
+++ b/arch/arm64/boot/dts/qcom/sc7280-idp2.dts
@@ -21,3 +21,12 @@
 		stdout-path = "serial0:115200n8";
 	};
 };
+
+&pcie1_default_state {
+	nvme-n {
+		pins = "gpio51";
+		function = "gpio";
+
+		bias-pull-up;
+	};
+};
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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