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authorRichard Zhu <hongxing.zhu@nxp.com>2022-01-28 06:41:04 +0300
committerStefano Babic <sbabic@denx.de>2022-02-05 17:49:01 +0300
commit0e0ae730bb0eb687d3152fc62bb2b4316ce15601 (patch)
treead7a9314524b5f32d0c6537c2d584c413190620c /arch
parentf1cc43624743655a275da62e92691bafe7465325 (diff)
downloadu-boot-0e0ae730bb0eb687d3152fc62bb2b4316ce15601.tar.xz
arm64: dts: imx8mm: Add the pcie support
Add the PCIe support on i.MX8MM platforms. Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com> Tested-by: Marcel Ziswiler <marcel.ziswiler@toradex.com> Reviewed-by: Tim Harvey <tharvey@gateworks.com> Tested-by: Tim Harvey <tharvey@gateworks.com> Signed-off-by: Shawn Guo <shawnguo@kernel.org> Signed-off-by: Marek Vasut <marex@denx.de> # Pick from Linux 854a4766ac12 ("arm64: dts: imx8mm: Add the pcie support")
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/dts/imx8mm.dtsi33
1 files changed, 32 insertions, 1 deletions
diff --git a/arch/arm/dts/imx8mm.dtsi b/arch/arm/dts/imx8mm.dtsi
index 63cab127c4..724f6ddbf3 100644
--- a/arch/arm/dts/imx8mm.dtsi
+++ b/arch/arm/dts/imx8mm.dtsi
@@ -510,7 +510,7 @@
};
gpr: iomuxc-gpr@30340000 {
- compatible = "fsl,imx8mm-iomuxc-gpr", "syscon";
+ compatible = "fsl,imx8mm-iomuxc-gpr", "fsl,imx6q-iomuxc-gpr", "syscon";
reg = <0x30340000 0x10000>;
};
@@ -1085,6 +1085,37 @@
status = "disabled";
};
+ pcie0: pcie@33800000 {
+ compatible = "fsl,imx8mm-pcie";
+ reg = <0x33800000 0x400000>, <0x1ff00000 0x80000>;
+ reg-names = "dbi", "config";
+ #address-cells = <3>;
+ #size-cells = <2>;
+ device_type = "pci";
+ bus-range = <0x00 0xff>;
+ ranges = <0x81000000 0 0x00000000 0x1ff80000 0 0x00010000 /* downstream I/O 64KB */
+ 0x82000000 0 0x18000000 0x18000000 0 0x07f00000>; /* non-prefetchable memory */
+ num-lanes = <1>;
+ num-viewport = <4>;
+ interrupts = <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "msi";
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 0x7>;
+ interrupt-map = <0 0 0 1 &gic GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 2 &gic GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 3 &gic GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 4 &gic GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>;
+ fsl,max-link-speed = <2>;
+ linux,pci-domain = <0>;
+ power-domains = <&pgc_pcie>;
+ resets = <&src IMX8MQ_RESET_PCIE_CTRL_APPS_EN>,
+ <&src IMX8MQ_RESET_PCIE_CTRL_APPS_TURNOFF>;
+ reset-names = "apps", "turnoff";
+ phys = <&pcie_phy>;
+ phy-names = "pcie-phy";
+ status = "disabled";
+ };
+
gic: interrupt-controller@38800000 {
compatible = "arm,gic-v3";
reg = <0x38800000 0x10000>, /* GIC Dist */