Hi WayneWWW,
We are using Orin NX 8GB SOM with self designed CVB not Orin-Nano-Devkit.
sudo -S dtc -I fs -O dts -o extracted.dts /proc/device-tree
#C9
pcie@140c0000 {
power-domains = <0x02 0x0e>;
iommus = <0x05 0x1f>;
nvidia,dvfs-tbl = <0xc28cb00 0xc28cb00 0x27ac4000 0x5f5e1000 0xc28cb00 0x27ac4000 0x5f5e1000 0x7f22ff40 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00>;
nvidia,disable-aspm-states = <0x0f>;
nvidia,aspm-l0s-entrance-latency = <0x03>;
nvidia,aspm-cmrt = <0x3c>;
nvidia,controller-id = <0x02 0x09>;
#address-cells = <0x03>;
dma-coherent;
interconnect-names = "dma-mem\0dma-mem";
nvidia,max-speed = <0x04>;
#address-cells = <0x03>;
dma-coherent;
interconnect-names = "dma-mem\0dma-mem";
nvidia,max-speed = <0x04>;
phy-names = "p2u-0";
nvidia,bpmp = <0x02 0x09>;
bus-range = <0x00 0xff>;
clock-names = "core\0core_m";
interconnects = <0x03 0x3c 0x03 0x3e>;
reg-names = "appl\0config\0atu_dma\0dbi\0ecam";
nvidia,aspm-l0s-entrance-latency-us = <0x03>;
nvidia,aspm-pwr-on-t = <0x14>;
resets = <0x02 0x1c 0x02 0x1b>;
interrupts = <0x00 0x166 0x04 0x00 0x167 0x04>;
clocks = <0x02 0xad 0x02 0xf6>;
interrupt-map = <0x00 0x00 0x00 0x00 0x01 0x00 0x166 0x04>;
#size-cells = <0x02>;
nvidia,preset-init = <0x05>;
nvidia,ptm-cap-off = <0x304>;
nvidia,disable-l1-cpm;
nvidia,event-cntr-data = <0x1c8>;
device_type = "pci";
interrupt-map-mask = <0x00 0x00 0x00 0x00>;
num-lanes = <0x02>;
compatible = "nvidia,tegra234-pcie\0snps,dw-pcie";
vddio-pex-ctl-supply = <0x4e>;
ranges = <0x81000000 0x00 0x2c100000 0x00 0x2c100000 0x00 0x100000 0x82000000 0x00 0x40000000 0x38 0x28000000 0x00 0x8000000 0xc3000000 0x35 0x40000000 0x35 0x40000000 0x02 0xe8000000>;
msi-map = <0x00 0x49 0x1f 0x1000>;
iommu-map-mask = <0x00>;
#interrupt-cells = <0x01>;
status = "okay";
nvidia,dl-feature-cap = <0x2f8>;
nvidia,cap-pl16g-status = <0x174>;
interrupt-names = "intr\0msi";
phys = <0x5a>;
num-viewport = <0x08>;
nvidia,tsa-config = <0x200b004>;
reg = <0x00 0x140c0000 0x00 0x20000 0x00 0x2c000000 0x00 0x40000 0x00 0x2c040000 0x00 0x40000 0x00 0x2c080000 0x00 0x40000 0x38 0x30000000 0x00 0x10000000>;
linux,pci-domain = <0x09>;
phandle = <0x313>;
iommu-map = <0x00 0x05 0x1f 0x1000>;
msi-parent = <0x49 0x1f>;
reset-names = "apb\0core";
nvidia,cfg-link-cap-l1sub = <0x1b0>;
nvidia,cap-pl16g-cap-off = <0x188>;
nvidia,aspm-pwr-on-t-us = <0x14>;
nvidia,aspm-cmrt-us = <0x3c>;
nvidia,event-cntr-ctrl = <0x1c4>;
nvidia,aux-clk-freq = <0x13>;
};
pcie@141e0000 {
power-domains = <0x02 0x10>;
iommus = <0x4d 0x08>;
nvidia,dvfs-tbl = <0xc28cb00 0xc28cb00 0xc28cb00 0xc28cb00 0xc28cb00 0xc28cb00 0xc28cb00 0x27ac4000 0xc28cb00 0xc28cb00 0x27ac4000 0x5f5e1000 0xc28cb00 0x27ac4000 0x5f5e1000 0x7f22ff40>;
nvidia,disable-aspm-states = <0x0f>;
nvidia,aspm-l0s-entrance-latency = <0x03>;
nvidia,aspm-cmrt = <0x3c>;
nvidia,controller-id = <0x02 0x07>;
#address-cells = <0x03>;
dma-coherent;
interconnect-names = "dma-mem\0dma-mem";
nvidia,max-speed = <0x04>;
phy-names = "p2u-0";
nvidia,bpmp = <0x02 0x07>;
bus-range = <0x00 0xff>;
clock-names = "core\0core_m";
interconnects = <0x03 0x2a 0x03 0x30>;
reg-names = "appl\0config\0atu_dma\0dbi\0ecam";
nvidia,aspm-l0s-entrance-latency-us = <0x03>;
nvidia,aspm-pwr-on-t = <0x14>;
resets = <0x02 0x0f 0x02 0x0e>;
interrupts = <0x00 0x162 0x04 0x00 0x163 0x04>;
clocks = <0x02 0xab 0x02 0xf4>;
interrupt-map = <0x00 0x00 0x00 0x00 0x01 0x00 0x162 0x04>;
#size-cells = <0x02>;
nvidia,preset-init = <0x05>;
nvidia,ptm-cap-off = <0x318>;
nvidia,disable-l1-cpm;
nvidia,event-cntr-data = <0x1dc>;
device_type = "pci";
interrupt-map-mask = <0x00 0x00 0x00 0x00>;
num-lanes = <0x08>;
compatible = "nvidia,tegra234-pcie\0snps,dw-pcie";
vddio-pex-ctl-supply = <0x4e>;
ranges = <0x81000000 0x00 0x3e100000 0x00 0x3e100000 0x00 0x100000 0x82000000 0x00 0x40000000 0x32 0x28000000 0x00 0x8000000 0xc3000000 0x2e 0x40000000 0x2e 0x40000000 0x03 0xe8000000>;
msi-map = <0x00 0x49 0x08 0x1000>;
iommu-map-mask = <0x00>;
#interrupt-cells = <0x01>;
status = "okay";
nvidia,dl-feature-cap = <0x30c>;
nvidia,cap-pl16g-status = <0x174>;
interrupt-names = "intr\0msi";
phys = <0x55>;
num-viewport = <0x08>;
nvidia,tsa-config = <0x200b004>;
reg = <0x00 0x141e0000 0x00 0x20000 0x00 0x3e000000 0x00 0x40000 0x00 0x3e040000 0x00 0x40000 0x00 0x3e080000 0x00 0x40000 0x32 0x30000000 0x00 0x10000000>;
linux,pci-domain = <0x07>;
phandle = <0x311>;
iommu-map = <0x00 0x4d 0x08 0x1000>;
msi-parent = <0x49 0x08>;
reset-names = "apb\0core";
nvidia,cfg-link-cap-l1sub = <0x1c4>;
nvidia,cap-pl16g-cap-off = <0x188>;
nvidia,aspm-pwr-on-t-us = <0x14>;
nvidia,aspm-cmrt-us = <0x3c>;
nvidia,event-cntr-ctrl = <0x1d8>;
nvidia,aux-clk-freq = <0x13>;
};