xref: /freebsd/sys/contrib/device-tree/src/arm64/ti/k3-j721e-evm-pcie0-ep.dtso (revision 8c2f6c3be0125142d3c1782e4b0ee0634c584b9e)
1// SPDX-License-Identifier: GPL-2.0
2/**
3 * DT Overlay for enabling PCIE0 instance in Endpoint Configuration with the
4 * J7 common processor board.
5 *
6 * J7 Common Processor Board Product Link: https://www.ti.com/tool/J721EXCPXEVM
7 *
8 * Copyright (C) 2023 Texas Instruments Incorporated - https://www.ti.com/
9 */
10
11/dts-v1/;
12/plugin/;
13
14#include <dt-bindings/interrupt-controller/arm-gic.h>
15#include <dt-bindings/soc/ti,sci_pm_domain.h>
16
17#include "k3-pinctrl.h"
18
19/*
20 * Since Root Complex and Endpoint modes are mutually exclusive
21 * disable Root Complex mode.
22 */
23&pcie0_rc {
24	status = "disabled";
25};
26
27&cbass_main {
28	#address-cells = <2>;
29	#size-cells = <2>;
30	interrupt-parent = <&gic500>;
31
32	pcie0_ep: pcie-ep@2900000 {
33		compatible = "ti,j721e-pcie-ep";
34		reg = <0x00 0x02900000 0x00 0x1000>,
35		      <0x00 0x02907000 0x00 0x400>,
36		      <0x00 0x0d000000 0x00 0x00800000>,
37		      <0x00 0x10000000 0x00 0x08000000>;
38		reg-names = "intd_cfg", "user_cfg", "reg", "mem";
39		interrupt-names = "link_state";
40		interrupts = <GIC_SPI 318 IRQ_TYPE_EDGE_RISING>;
41		ti,syscon-pcie-ctrl = <&scm_conf 0x4070>;
42		max-link-speed = <3>;
43		num-lanes = <1>;
44		power-domains = <&k3_pds 239 TI_SCI_PD_EXCLUSIVE>;
45		clocks = <&k3_clks 239 1>;
46		clock-names = "fck";
47		max-functions = /bits/ 8 <6>;
48		max-virtual-functions = /bits/ 8 <4 4 4 4 0 0>;
49		dma-coherent;
50		phys = <&serdes0_pcie_link>;
51		phy-names = "pcie-phy";
52	};
53};
54