[PATCH v12 3/5] arm64: dts: qcom: sc7280: Add PCIe nodes for IDP board

From: Prasad Malisetty <pmaliset@codeaurora.org>
To: agross@kernel.org, bjorn.andersson@linaro.org,
	bhelgaas@google.com, robh+dt@kernel.org, swboyd@chromium.org,
	lorenzo.pieralisi@arm.com, svarbanov@mm-sol.com
Cc: devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
	dianders@chromium.org, mka@chromium.org, vbadigan@codeaurora.org,
	sallenki@codeaurora.org, manivannan.sadhasivam@linaro.org,
	linux-pci@vger.kernel.org,
	Prasad Malisetty <pmaliset@codeaurora.org>
Subject: [PATCH v12 3/5] arm64: dts: qcom: sc7280: Add PCIe nodes for IDP board
Date: Thu,  7 Oct 2021 23:18:41 +0530	[thread overview]
Message-ID: <1633628923-25047-4-git-send-email-pmaliset@codeaurora.org> (raw)
In-Reply-To: <1633628923-25047-1-git-send-email-pmaliset@codeaurora.org>

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@codeaurora.org>
---
 arch/arm64/boot/dts/qcom/sc7280-idp.dts  |  8 +++++
 arch/arm64/boot/dts/qcom/sc7280-idp.dtsi | 50 ++++++++++++++++++++++++++++++++
 arch/arm64/boot/dts/qcom/sc7280-idp2.dts |  8 +++++
 3 files changed, 66 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dts b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
index 64fc22a..e6b9f57 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-idp.dts
+++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dts
@@ -61,6 +61,14 @@
 	modem-init;
 };
 
+&nvme_pwren {
+	pins = "gpio19";
+};
+
+&nvme_3v3_regulator {
+	gpio = <&tlmm 19 GPIO_ACTIVE_HIGH>;
+};
+
 &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 272d5ca..d623d71 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
@@ -31,6 +31,18 @@
 			linux,can-disable;
 		};
 	};
+
+	nvme_3v3_regulator: nvme-3v3-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "VLDO_3V3";
+
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+
+		enable-active-high;
+		pinctrl-names = "default";
+		pinctrl-0 = <&nvme_pwren>;
+	};
 };
 
 /*
@@ -272,6 +284,23 @@
 	modem-init;
 };
 
+&pcie1 {
+	status = "okay";
+	perst-gpio = <&tlmm 2 GPIO_ACTIVE_LOW>;
+
+	vddpe-3v3-supply = <&nvme_3v3_regulator>;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie1_reset_n>, <&pcie1_wake_n>;
+};
+
+&pcie1_phy {
+	status = "okay";
+
+	vdda-phy-supply = <&vreg_l10c_0p8>;
+	vdda-pll-supply = <&vreg_l6b_1p2>;
+};
+
 &pmk8350_vadc {
 	pmk8350_die_temp {
 		reg = <PMK8350_ADC7_DIE_TEMP>;
@@ -462,6 +491,27 @@
 };
 
 &tlmm {
+	nvme_pwren: nvme-pwren {
+		function = "gpio";
+	};
+
+	pcie1_reset_n: pcie1-reset-n {
+		pins = "gpio2";
+		function = "gpio";
+
+		drive-strength = <16>;
+		output-low;
+		bias-disable;
+	};
+
+	pcie1_wake_n: pcie1-wake-n {
+		pins = "gpio3";
+		function = "gpio";
+
+		drive-strength = <2>;
+		bias-pull-up;
+	};
+
 	qup_uart7_sleep_cts: qup-uart7-sleep-cts {
 		pins = "gpio28";
 		function = "gpio";
diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp2.dts b/arch/arm64/boot/dts/qcom/sc7280-idp2.dts
index 1fc2add..3ae9969 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-idp2.dts
+++ b/arch/arm64/boot/dts/qcom/sc7280-idp2.dts
@@ -21,3 +21,11 @@
 		stdout-path = "serial0:115200n8";
 	};
 };
+
+&nvme_pwren {
+	pins = "gpio51";
+};
+
+&nvme_3v3_regulator {
+	gpio = <&tlmm 51 GPIO_ACTIVE_HIGH>;
+};
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

