On 02/02/25 15:06, Siddharth Vadapalli wrote: > diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-evm-pcie-ntb.dtso b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-evm-pcie-ntb.dtso > new file mode 100644 > index 000000000000..e44173f670fa > --- /dev/null > +++ b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-evm-pcie-ntb.dtso > @@ -0,0 +1,92 @@ > +// SPDX-License-Identifier: GPL-2.0-only OR MIT > +/** > + * DT Overlay for enabling NTB functionality using PCIE0 and PCIE1 instances of > + * PCIe on the J784S4 EVM and the J742S2 EVM. > + * > + * J784S4 EVM Product Link: https://www.ti.com/tool/J784S4XEVM > + * J742S2 EVM Product Link: https://www.ti.com/tool/J742S2XH01EVM > + * > + * Copyright (C) 2025 Texas Instruments Incorporated - https://www.ti.com/ > + */ > + > +/dts-v1/; > +/plugin/; > + > +#include <dt-bindings/interrupt-controller/arm-gic.h> > +#include <dt-bindings/soc/ti,sci_pm_domain.h> > + > +#include "k3-pinctrl.h" > + > +&{/} { > + epf_bus { no underscore in node name please > + compatible = "pci-epf-bus"; > + > + ntb { > + compatible = "pci-epf-ntb"; > + epcs = <&pcie0_ep>, <&pcie1_ep>; > + epc-names = "primary", "secondary"; > + vendor-id = /bits/ 16 <0x104c>; > + device-id = /bits/ 16 <0xb012>; > + num-mws = <4>; > + mws-size = <0x100000>, <0x100000>, <0x100000>, <0x100000>; > + }; > + }; > +}; > + -- Regards Vignesh https://ti.com/opensource