linux-kernel - [PATCH 7/8] arm64: dts: renesas: rzg3s-smarc: Enable PCIe

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Message-ID: <20250430103236.3511989-8-claudiu.beznea.uj@bp.renesas.com>
Date: Wed, 30 Apr 2025 13:32:35 +0300
From: Claudiu <claudiu.beznea@...on.dev>
To: bhelgaas@...gle.com,
	lpieralisi@...nel.org,
	kw@...ux.com,
	manivannan.sadhasivam@...aro.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	geert+renesas@...der.be,
	magnus.damm@...il.com,
	mturquette@...libre.com,
	sboyd@...nel.org,
	saravanak@...gle.com,
	p.zabel@...gutronix.de
Cc: claudiu.beznea@...on.dev,
	linux-pci@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-clk@...r.kernel.org,
	Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Subject: [PATCH 7/8] arm64: dts: renesas: rzg3s-smarc: Enable PCIe

From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>

The RZ Smarc Carrier-II board has PCIe headers mounted on it. Enable PCIe
support.

Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
---
 arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi b/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi
index 5e044a4d0234..6e9e78aca0b0 100644
--- a/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzg3s-smarc.dtsi
@@ -132,6 +132,12 @@ power-monitor@44 {
 	};
 };
 
+&pcie {
+	pinctrl-0 = <&pcie_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
 &pinctrl {
 	audio_clock_pins: audio-clock {
 		pins = "AUDIO_CLK1", "AUDIO_CLK2";
@@ -159,6 +165,11 @@ key-3-gpio-hog {
 		line-name = "key-3-gpio-irq";
 	};
 
+	pcie_pins: pcie {
+		pinmux = <RZG2L_PORT_PINMUX(13, 2, 2)>, /* PCIE_RST_OUT_B */
+			 <RZG2L_PORT_PINMUX(13, 3, 2)>; /* PCIE_CLKREQ_B */
+	};
+
 	scif0_pins: scif0 {
 		pinmux = <RZG2L_PORT_PINMUX(6, 3, 1)>, /* RXD */
 			 <RZG2L_PORT_PINMUX(6, 4, 1)>; /* TXD */
-- 
2.43.0