[PATCH 4/5] arm64: dts: imx95: add PCIe's msi-map and iommu-map property
From: Frank Li <Frank.Li@nxp.com>
Date: 2025-01-28 21:16:29
Also in:
imx, linux-devicetree, lkml
Subsystem:
arm/freescale imx / mxc arm architecture, the rest · Maintainers:
Frank Li, Sascha Hauer, Linus Torvalds
Add PCIe's msi-map and iommu-map property because i.MX95 support smmu and its. Signed-off-by: Frank Li <Frank.Li@nxp.com> --- arch/arm64/boot/dts/freescale/imx95.dtsi | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx95.dtsi b/arch/arm64/boot/dts/freescale/imx95.dtsi
index 6b8470cb3461a..2cebeda43a52d 100644
--- a/arch/arm64/boot/dts/freescale/imx95.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx95.dtsi@@ -1573,6 +1573,12 @@ pcie0: pcie@4c300000 { assigned-clock-parents = <0>, <0>, <&scmi_clk IMX95_CLK_SYSPLL1_PFD1_DIV2>; power-domains = <&scmi_devpd IMX95_PD_HSIO_TOP>; + /* pcie0's Devid(BIT[7:6]) is 0x00, stream id(BIT[5:0]) is 0x10~0x17 */ + msi-map = <0x0 &its 0x10 0x1>, + <0x100 &its 0x11 0x7>; + iommu-map = <0x000 &smmu 0x10 0x1>, + <0x100 &smmu 0x11 0x7>; + iommu-map-mask = <0x1ff>; fsl,max-link-speed = <3>; status = "disabled"; };
@@ -1640,6 +1646,14 @@ pcie1: pcie@4c380000 { assigned-clock-parents = <0>, <0>, <&scmi_clk IMX95_CLK_SYSPLL1_PFD1_DIV2>; power-domains = <&scmi_devpd IMX95_PD_HSIO_TOP>; + /* pcie1's Devid(BIT[7:6]) is 0x10, stream id(BIT[5:0]) is 0x18~0x1f */ + msi-map = <0x0 &its 0x98 0x1>, + <0x100 &its 0x99 0x7>; + msi-map-mask = <0x1ff>; + /* smmu have not Devid(BIT[7:6]) */ + iommu-map = <0x000 &smmu 0x18 0x1>, + <0x100 &smmu 0x19 0x7>; + iommu-map-mask = <0x1ff>; fsl,max-link-speed = <3>; status = "disabled"; };
--
2.34.1