linux-kernel - [PATCH v8 3/4] arm64: dts: Add i.MX8MQ PCIe EP support

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Message-Id: <1675238813-18048-4-git-send-email-hongxing.zhu@nxp.com>
Date:   Wed,  1 Feb 2023 16:06:52 +0800
From:   Richard Zhu <hongxing.zhu@....com>
To:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        l.stach@...gutronix.de, shawnguo@...nel.org,
        lorenzo.pieralisi@....com, peng.fan@....com, marex@...x.de,
        marcel.ziswiler@...adex.com, tharvey@...eworks.com,
        frank.li@....com
Cc:     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 v8 3/4] arm64: dts: Add i.MX8MQ PCIe EP support

Add i.MX8MQ PCIe EP support.

Signed-off-by: Richard Zhu <hongxing.zhu@....com>
---
 arch/arm64/boot/dts/freescale/imx8mq.dtsi | 32 +++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
index 98fbba4c99a9..9f950a6ac6c9 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
@@ -1605,6 +1605,38 @@ pcie1: pcie@...00000 {
 			status = "disabled";
 		};
 
+		pcie1_ep: pcie-ep@...00000 {
+			compatible = "fsl,imx8mq-pcie-ep";
+			reg = <0x33c00000 0x000400000>,
+			      <0x20000000 0x08000000>;
+			reg-names = "dbi", "addr_space";
+			num-lanes = <1>;
+			interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "dma";
+			fsl,max-link-speed = <2>;
+			clocks = <&clk IMX8MQ_CLK_PCIE2_ROOT>,
+				 <&clk IMX8MQ_CLK_PCIE2_PHY>,
+				 <&clk IMX8MQ_CLK_PCIE2_PHY>,
+				 <&clk IMX8MQ_CLK_PCIE2_AUX>;
+			clock-names = "pcie", "pcie_bus", "pcie_phy", "pcie_aux";
+			power-domains = <&pgc_pcie>;
+			resets = <&src IMX8MQ_RESET_PCIEPHY2>,
+				 <&src IMX8MQ_RESET_PCIE2_CTRL_APPS_EN>,
+				 <&src IMX8MQ_RESET_PCIE2_CTRL_APPS_TURNOFF>;
+			reset-names = "pciephy", "apps", "turnoff";
+			assigned-clocks = <&clk IMX8MQ_CLK_PCIE2_CTRL>,
+					  <&clk IMX8MQ_CLK_PCIE2_PHY>,
+					  <&clk IMX8MQ_CLK_PCIE2_AUX>;
+			assigned-clock-parents = <&clk IMX8MQ_SYS2_PLL_250M>,
+						 <&clk IMX8MQ_SYS2_PLL_100M>,
+						 <&clk IMX8MQ_SYS1_PLL_80M>;
+			assigned-clock-rates = <250000000>, <100000000>,
+					       <10000000>;
+			num-ib-windows = <4>;
+			num-ob-windows = <4>;
+			status = "disabled";
+		};
+
 		gic: interrupt-controller@...00000 {
 			compatible = "arm,gic-v3";
 			reg = <0x38800000 0x10000>,	/* GIC Dist */
-- 
2.34.1