1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Copyright (c) 2022 Edgeble AI Technologies Pvt. Ltd.
4 *
5 * DT-overlay for Edgeble On-SoM WiFi6/BT M.2 1216 modules,
6 * - AW-XM548NF
7 * - Intel 8260D2W
8 */
9
10 /dts-v1/;
11 /plugin/;
12
13 #include <dt-bindings/gpio/gpio.h>
14 #include <dt-bindings/pinctrl/rockchip.h>
15
16 &{/} {
17 vcc3v3_pcie2x1l1: vcc3v3-pcie2x1l1-regulator {
18 compatible = "regulator-fixed";
19 enable-active-high;
20 gpios = <&gpio0 RK_PC4 GPIO_ACTIVE_HIGH>; /* WIFI_3V3_EN */
21 pinctrl-names = "default";
22 pinctrl-0 = <&pcie2_1_vcc3v3_en>;
23 regulator-name = "vcc3v3_pcie2x1l1";
24 regulator-always-on;
25 regulator-boot-on;
26 regulator-min-microvolt = <3300000>;
27 regulator-max-microvolt = <3300000>;
28 startup-delay-us = <50000>;
29 vin-supply = <&vcc5v0_sys>;
30 };
31 };
32
33 &combphy2_psu {
34 status = "okay";
35 };
36
37 /* WiFi6 */
38 &pcie2x1l1 {
39 pinctrl-names = "default";
40 pinctrl-0 = <&pcie2_1_rst>;
41 reset-gpios = <&gpio4 RK_PA2 GPIO_ACTIVE_HIGH>; /* PCIE20_2_WIFI_PERSTn */
42 vpcie3v3-supply = <&vcc3v3_pcie2x1l1>;
43 status = "okay";
44 };
45
46 &pinctrl {
47 pcie2 {
48 pcie2_1_rst: pcie2-1-rst {
49 rockchip,pins = <4 RK_PA2 RK_FUNC_GPIO &pcfg_pull_none>;
50 };
51
52 pcie2_1_vcc3v3_en: pcie2-1-vcc-en {
53 rockchip,pins = <0 RK_PC4 RK_FUNC_GPIO &pcfg_pull_none>;
54 };
55 };
56 };
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