linux-kernel - [PATCH 12/12] arm64: dts: qcom: x1e80100-yoga-slim7x: fix missing PCIe4 gpios

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Message-ID: <20240722095459.27437-13-johan+linaro@kernel.org>
Date: Mon, 22 Jul 2024 11:54:59 +0200
From: Johan Hovold <johan+linaro@...nel.org>
To: Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konrad.dybcio@...aro.org>
Cc: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Sibi Sankar <quic_sibis@...cinc.com>,
	Abel Vesa <abel.vesa@...aro.org>,
	Rajendra Nayak <quic_rjendra@...cinc.com>,
	Xilin Wu <wuxilin123@...il.com>,
	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
	linux-arm-msm@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Johan Hovold <johan+linaro@...nel.org>
Subject: [PATCH 12/12] arm64: dts: qcom: x1e80100-yoga-slim7x: fix missing PCIe4 gpios

Add the missing PCIe4 perst, wake and clkreq GPIOs and pin config.

Fixes: 45247fe17db2 ("arm64: dts: qcom: x1e80100: add Lenovo Thinkpad Yoga slim 7x devicetree")
Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
---
 .../dts/qcom/x1e80100-lenovo-yoga-slim7x.dts  | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts b/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
index f7534623ff77..79fbc5444312 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
+++ b/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
@@ -625,6 +625,12 @@ &mdss_dp3_phy {
 };
 
 &pcie4 {
+	perst-gpios = <&tlmm 146 GPIO_ACTIVE_LOW>;
+	wake-gpios = <&tlmm 148 GPIO_ACTIVE_LOW>;
+
+	pinctrl-0 = <&pcie4_default>;
+	pinctrl-names = "default";
+
 	status = "okay";
 };
 
@@ -782,6 +788,29 @@ nvme_reg_en: nvme-reg-en-state {
 		bias-disable;
 	};
 
+	pcie4_default: pcie4-default-state {
+		clkreq-n-pins {
+			pins = "gpio147";
+			function = "pcie4_clk";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+
+		perst-n-pins {
+			pins = "gpio146";
+			function = "gpio";
+			drive-strength = <2>;
+			bias-disable;
+		};
+
+		wake-n-pins {
+			pins = "gpio148";
+			function = "gpio";
+			drive-strength = <2>;
+			bias-pull-up;
+		};
+	};
+
 	pcie6a_default: pcie6a-default-state {
 		clkreq-n-pins {
 			pins = "gpio153";
-- 
2.44.2