linux-kernel - [PATCH 6/9] arm: dts: nxp: Add i.MX7D PCIe EP support

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Date:   Wed,  2 Aug 2023 14:06:48 +0800
From:   Richard Zhu <hongxing.zhu@....com>
To:     l.stach@...gutronix.de, shawnguo@...nel.org, lpieralisi@...nel.org,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org
Cc:     hongxing.zhu@....com, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, kernel@...gutronix.de,
        linux-imx@....com
Subject: [PATCH 6/9] arm: dts: nxp: Add i.MX7D PCIe EP support

Add i.MX7D PCIe EP support.

Signed-off-by: Richard Zhu <hongxing.zhu@....com>
---
 arch/arm/boot/dts/nxp/imx/imx7d.dtsi | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/arch/arm/boot/dts/nxp/imx/imx7d.dtsi b/arch/arm/boot/dts/nxp/imx/imx7d.dtsi
index 4b94b8afb55d..135684f17a20 100644
--- a/arch/arm/boot/dts/nxp/imx/imx7d.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx7d.dtsi
@@ -156,6 +156,33 @@ pcie: pcie@...00000 {
 			fsl,imx7d-pcie-phy = <&pcie_phy>;
 			status = "disabled";
 		};
+
+		pcie_ep: pcie-ep@...00000 {
+			compatible = "fsl,imx7d-pcie-ep";
+			reg = <0x33800000 0x4000>,
+			      <0x40000000 0x10000000>;
+			reg-names = "dbi", "addr_space";
+			num-lanes = <1>;
+			clocks = <&clks IMX7D_PCIE_CTRL_ROOT_CLK>,
+				 <&clks IMX7D_PLL_ENET_MAIN_100M_CLK>,
+				 <&clks IMX7D_PCIE_PHY_ROOT_CLK>;
+			clock-names = "pcie", "pcie_bus", "pcie_phy";
+			assigned-clocks = <&clks IMX7D_PCIE_CTRL_ROOT_SRC>,
+					  <&clks IMX7D_PCIE_PHY_ROOT_SRC>;
+			assigned-clock-parents = <&clks IMX7D_PLL_ENET_MAIN_250M_CLK>,
+						 <&clks IMX7D_PLL_ENET_MAIN_100M_CLK>;
+
+			fsl,max-link-speed = <2>;
+			power-domains = <&pgc_pcie_phy>;
+			resets = <&src IMX7_RESET_PCIEPHY>,
+				 <&src IMX7_RESET_PCIE_CTRL_APPS_EN>,
+				 <&src IMX7_RESET_PCIE_CTRL_APPS_TURNOFF>;
+			reset-names = "pciephy", "apps", "turnoff";
+			fsl,imx7d-pcie-phy = <&pcie_phy>;
+			num-ib-windows = <4>;
+			num-ob-windows = <4>;
+			status = "disabled";
+		};
 	};
 };
 
-- 
2.34.1