Re: [PATCH v1 1/3] arm64: dts: imx94: add pcie0 and pcie0-ep supports
From: Frank Li <Frank.li@nxp.com>
Date: 2026-02-06 16:39:30
Also in:
imx, linux-arm-kernel, lkml
On Fri, Feb 06, 2026 at 01:50:05PM +0800, Richard Zhu wrote:
quoted hunk ↗ jump to hunk
Add pcie0 and pcie0-ep supports. Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com> --- arch/arm64/boot/dts/freescale/imx94.dtsi | 89 ++++++++++++++++++++++++ 1 file changed, 89 insertions(+)diff --git a/arch/arm64/boot/dts/freescale/imx94.dtsi b/arch/arm64/boot/dts/freescale/imx94.dtsi index d2f31c8caf6eb..d2fe6e0aebaf8 100644 --- a/arch/arm64/boot/dts/freescale/imx94.dtsi +++ b/arch/arm64/boot/dts/freescale/imx94.dtsi@@ -38,6 +38,13 @@ clk_ext1: clock-ext1 { clock-output-names = "clk_ext1"; }; + clk_sys100m: clock-sys100m { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <100000000>; + clock-output-names = "clk_sys100m"; + }; +
keep order as node name clock-sys100m. which should be after clock-sai1-mclk1.
quoted hunk ↗ jump to hunk
sai1_mclk: clock-sai1-mclk1 { compatible = "fixed-clock"; #clock-cells = <0>;@@ -1366,5 +1373,87 @@ ddr-pmu@4e090dc0 { reg = <0x0 0x4e090dc0 0x0 0x200>; interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>; }; + + hsio_blk_ctl: syscon@4c0100c0 {
order according to hex address, 4c0100c0 less than 4e090dc0 Frank
+ compatible = "nxp,imx95-hsio-blk-ctl", "syscon";
+ reg = <0x0 0x4c0100c0 0x0 0x1>;
+ #clock-cells = <1>;
+ clocks = <&clk_sys100m>;
+ power-domains = <&scmi_devpd IMX94_PD_HSIO_TOP>;
+ };
+
+ pcie0: pcie@4c300000 {
+ compatible = "fsl,imx95-pcie";
+ reg = <0 0x4c300000 0 0x10000>,
+ <0 0x60100000 0 0xfe00000>,
+ <0 0x4c360000 0 0x10000>,
+ <0 0x4c340000 0 0x4000>;
+ reg-names = "dbi", "config", "atu", "app";
+ ranges = <0x81000000 0x0 0x00000000 0x0 0x6ff00000 0 0x00100000>,
+ <0x82000000 0x0 0x10000000 0x9 0x10000000 0 0x80000000>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ device_type = "pci";
+ linux,pci-domain = <2>;
+ msi-map = <0x0 &its 0x10 0x1>,
+ <0x100 &its 0x11 0x7>;
+ msi-map-mask = <0x1ff>;
+ bus-range = <0x00 0xff>;
+ num-lanes = <1>;
+ num-viewport = <8>;
+ interrupts = <GIC_SPI 364 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 364 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 364 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "msi", "pme", "intr";
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 0x7>;
+ interrupt-map = <0 0 0 1 &gic 0 0 GIC_SPI 360 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 2 &gic 0 0 GIC_SPI 361 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 3 &gic 0 0 GIC_SPI 362 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 4 &gic 0 0 GIC_SPI 363 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&scmi_clk IMX94_CLK_HSIO>,
+ <&scmi_clk IMX94_CLK_HSIOPLL>,
+ <&scmi_clk IMX94_CLK_HSIOPLL_VCO>,
+ <&scmi_clk IMX94_CLK_HSIOPCIEAUX>,
+ <&hsio_blk_ctl 0>;
+ clock-names = "pcie", "pcie_bus", "pcie_phy", "pcie_aux", "ref";
+ assigned-clocks =<&scmi_clk IMX94_CLK_HSIOPLL_VCO>,
+ <&scmi_clk IMX94_CLK_HSIOPLL>,
+ <&scmi_clk IMX94_CLK_HSIOPCIEAUX>;
+ assigned-clock-rates = <3600000000>, <100000000>, <10000000>;
+ assigned-clock-parents = <0>, <0>,
+ <&scmi_clk IMX94_CLK_SYSPLL1_PFD1_DIV2>;
+ power-domains = <&scmi_devpd IMX94_PD_HSIO_TOP>;
+ fsl,max-link-speed = <3>;
+ status = "disabled";
+ };
+
+ pcie0_ep: pcie-ep@4c300000 {
+ compatible = "fsl,imx95-pcie-ep";
+ reg = <0 0x4c300000 0 0x10000>,
+ <0 0x4c360000 0 0x1000>,
+ <0 0x4c320000 0 0x1000>,
+ <0 0x4c340000 0 0x4000>,
+ <0 0x4c370000 0 0x10000>,
+ <0x9 0 1 0>;
+ reg-names = "dbi","atu", "dbi2", "app", "dma", "addr_space";
+ num-lanes = <1>;
+ interrupts = <GIC_SPI 365 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "dma";
+ clocks = <&scmi_clk IMX94_CLK_HSIO>,
+ <&scmi_clk IMX94_CLK_HSIOPLL>,
+ <&scmi_clk IMX94_CLK_HSIOPLL_VCO>,
+ <&scmi_clk IMX94_CLK_HSIOPCIEAUX>;
+ clock-names = "pcie", "pcie_bus", "pcie_phy", "pcie_aux";
+ assigned-clocks =<&scmi_clk IMX94_CLK_HSIOPLL_VCO>,
+ <&scmi_clk IMX94_CLK_HSIOPLL>,
+ <&scmi_clk IMX94_CLK_HSIOPCIEAUX>;
+ assigned-clock-rates = <3600000000>, <100000000>, <10000000>;
+ assigned-clock-parents = <0>, <0>,
+ <&scmi_clk IMX94_CLK_SYSPLL1_PFD1_DIV2>;
+ msi-map = <0x0 &its 0x10 0x1>;
+ power-domains = <&scmi_devpd IMX94_PD_HSIO_TOP>;
+ status = "disabled";
+ };
};
};
--
2.37.1