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From:   Richard Zhu <hongxing.zhu@nxp.com>
To:     robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org,
        shawnguo@kernel.org, peng.fan@nxp.com, marex@denx.de,
        marcel.ziswiler@toradex.com, tharvey@gateworks.com,
        frank.li@nxp.com
Cc:     lorenzo.pieralisi@arm.com, hongxing.zhu@nxp.com,
        devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org, kernel@pengutronix.de,
        linux-imx@nxp.com
Subject: [PATCH v6 5/6] arm64: dts: Add i.MX8MP PCIe EP support
Date:   Fri, 20 Jan 2023 13:25:51 +0800
Message-Id: <1674192352-4473-6-git-send-email-hongxing.zhu@nxp.com>
In-Reply-To: <1674192352-4473-1-git-send-email-hongxing.zhu@nxp.com>
References: <1674192352-4473-1-git-send-email-hongxing.zhu@nxp.com>
Precedence: bulk

Add i.MX8MP PCIe EP support.

Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
---
 arch/arm64/boot/dts/freescale/imx8mp.dtsi | 26 +++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index 5120c20fc601..c1963876e612 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -1246,6 +1246,32 @@ pcie: pcie@33800000 {
 			status = "disabled";
 		};
 
+		pcie_ep: pcie_ep@33800000 {
+			compatible = "fsl,imx8mp-pcie-ep";
+			reg = <0x33800000 0x000400000>, <0x18000000 0x08000000>;
+			reg-names = "regs", "addr_space";
+			clocks = <&clk IMX8MP_CLK_HSIO_ROOT>,
+				 <&clk IMX8MP_CLK_HSIO_AXI>,
+				 <&clk IMX8MP_CLK_PCIE_ROOT>;
+			clock-names = "pcie", "pcie_bus", "pcie_aux";
+			assigned-clocks = <&clk IMX8MP_CLK_PCIE_AUX>;
+			assigned-clock-rates = <10000000>;
+			assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_50M>;
+			num-lanes = <1>;
+			interrupts = <GIC_SPI 127 IRQ_TYPE_LEVEL_HIGH>; /* eDMA */
+			interrupt-names = "dma";
+			fsl,max-link-speed = <3>;
+			power-domains = <&hsio_blk_ctrl IMX8MP_HSIOBLK_PD_PCIE>;
+			resets = <&src IMX8MP_RESET_PCIE_CTRL_APPS_EN>,
+				 <&src IMX8MP_RESET_PCIE_CTRL_APPS_TURNOFF>;
+			reset-names = "apps", "turnoff";
+			phys = <&pcie_phy>;
+			phy-names = "pcie-phy";
+			num-ib-windows = <4>;
+			num-ob-windows = <4>;
+			status = "disabled";
+		};
+
 		gpu3d: gpu@38000000 {
 			compatible = "vivante,gc";
 			reg = <0x38000000 0x8000>;
-- 
2.25.1