linux-kernel - [PATCH 8/8] arm64: dts: imx8mq-evk: add pcie[0,1]-ep nodes

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Message-Id: <20250331-imx8_pcie_ep_dts-v1-8-270ef0868ac9@nxp.com>
Date: Mon, 31 Mar 2025 15:02:46 -0400
From: Frank Li <Frank.Li@....com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>
Cc: devicetree@...r.kernel.org, imx@...ts.linux.dev, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 hongxing.zhu@....com, Frank Li <Frank.Li@....com>
Subject: [PATCH 8/8] arm64: dts: imx8mq-evk: add pcie[0,1]-ep nodes

Add pcie[0,1]-ep nodes and apply imx-pcie1-ep overlay file.

Signed-off-by: Frank Li <Frank.Li@....com>
---
 arch/arm64/boot/dts/freescale/Makefile       |  3 +++
 arch/arm64/boot/dts/freescale/imx8mq-evk.dts | 20 ++++++++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 4f2f50203dd86..205552b4e4985 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -260,6 +260,9 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-tqma8mpql-mba8mpxl-lvds.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-tqma8mpql-mba8mpxl-lvds-g133han01.dtb
 
 dtb-$(CONFIG_ARCH_MXC) += imx8mq-evk.dtb
+imx8mq-evk-pcie1-ep-dtbs += imx8mq-evk.dtb imx-pcie1-ep.dtbo
+dtb-$(CONFIG_ARCH_MXC) += imx8mq-evk-pcie1-ep.dtb
+
 dtb-$(CONFIG_ARCH_MXC) += imx8mq-hummingboard-pulse.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mq-kontron-pitx-imx8m.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mq-librem5-devkit.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
index a87d0692c3bb3..43e45b0bd0d17 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mq-evk.dts
@@ -377,6 +377,16 @@ &pcie0 {
 	status = "okay";
 };
 
+&pcie0_ep {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pcie0>;
+	clocks = <&clk IMX8MQ_CLK_PCIE1_ROOT>,
+		 <&pcie0_refclk>,
+		 <&clk IMX8MQ_CLK_PCIE1_PHY>,
+		 <&clk IMX8MQ_CLK_PCIE1_AUX>;
+	status = "disabled";
+};
+
 &pcie1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_pcie1>;
@@ -390,6 +400,16 @@ &pcie1 {
 	status = "okay";
 };
 
+&pcie1_ep {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pcie1>;
+	clocks = <&clk IMX8MQ_CLK_PCIE2_ROOT>,
+		 <&pcie0_refclk>,
+		 <&clk IMX8MQ_CLK_PCIE2_PHY>,
+		 <&clk IMX8MQ_CLK_PCIE2_AUX>;
+	status = "disabled";
+};
+
 &pgc_gpu {
 	power-supply = <&sw1a_reg>;
 };

-- 
2.34.1