linux-kernel - [PATCH v6 2/6] arm64: dts: Add i.MX8MM PCIe EP support on EVK board

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Message-Id: <1674192352-4473-3-git-send-email-hongxing.zhu@nxp.com>
Date:   Fri, 20 Jan 2023 13:25:48 +0800
From:   Richard Zhu <hongxing.zhu@....com>
To:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        shawnguo@...nel.org, peng.fan@....com, marex@...x.de,
        marcel.ziswiler@...adex.com, tharvey@...eworks.com,
        frank.li@....com
Cc:     lorenzo.pieralisi@....com, hongxing.zhu@....com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, kernel@...gutronix.de,
        linux-imx@....com
Subject: [PATCH v6 2/6] arm64: dts: Add i.MX8MM PCIe EP support on EVK board

Add i.MX8MM PCIe EP support on EVK board.

Signed-off-by: Richard Zhu <hongxing.zhu@....com>
---
 arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
index 0ce3005d578d..9d65b70939fa 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dtsi
@@ -371,6 +371,19 @@ &pcie0 {
 	status = "okay";
 };
 
+&pcie0_ep{
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pcie0>;
+	clocks = <&clk IMX8MM_CLK_PCIE1_ROOT>, <&pcie0_refclk>,
+		 <&clk IMX8MM_CLK_PCIE1_AUX>;
+	assigned-clocks = <&clk IMX8MM_CLK_PCIE1_AUX>,
+			  <&clk IMX8MM_CLK_PCIE1_CTRL>;
+	assigned-clock-rates = <10000000>, <250000000>;
+	assigned-clock-parents = <&clk IMX8MM_SYS_PLL2_50M>,
+				 <&clk IMX8MM_SYS_PLL2_250M>;
+	status = "disabled";
+};
+
 &sai2 {
 	#sound-dai-cells = <0>;
 	pinctrl-names = "default";
-- 
2.25.1