1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Device Tree Source for the Salvator-X 2nd version board
4 *
5 * Copyright (C) 2015-2017 Renesas Electronics Corp.
6 */
7
8#include "salvator-common.dtsi"
9
10/ {
11	model = "Renesas Salvator-X 2nd version board";
12	compatible = "renesas,salvator-xs";
13};
14
15&extal_clk {
16	clock-frequency = <16640000>;
17};
18
19&i2c4 {
20	clock-frequency = <400000>;
21
22	versaclock6: clock-generator@6a {
23		compatible = "idt,5p49v6901";
24		reg = <0x6a>;
25		#clock-cells = <1>;
26		clocks = <&x23_clk>;
27		clock-names = "xin";
28	};
29};
30
31#ifdef SOC_HAS_SATA
32&pca9654 {
33	pcie-sata-switch-hog {
34		gpio-hog;
35		gpios = <7 GPIO_ACTIVE_HIGH>;
36		output-low; /* enable SATA by default */
37		line-name = "PCIE/SATA switch";
38	};
39};
40
41/* SW12-7 must be set 'Off' (MD12 set to 1) which is not the default! */
42#endif /* SOC_HAS_SATA */
43
44#ifdef SOC_HAS_USB2_CH3
45&ehci3 {
46	dr_mode = "otg";
47	status = "okay";
48};
49
50&hsusb3 {
51	dr_mode = "otg";
52	status = "okay";
53};
54
55&ohci3 {
56	dr_mode = "otg";
57	status = "okay";
58};
59
60&pfc {
61	/*
62	 * - On Salvator-X[S], GP6_3[01] are connected to ADV7482 as irq pins
63	 *   (when SW31 is the default setting on Salvator-XS).
64	 * - If SW31 is the default setting, you cannot use USB2.0 ch3 on
65	 *   r8a77951 with Salvator-XS.
66	 *   Hence the SW31 setting must be changed like 2) below.
67	 *   1) Default setting of SW31: ON-ON-OFF-OFF-OFF-OFF:
68	 *	- Connect GP6_3[01] to ADV7842.
69	 *   2) Changed setting of SW31: OFF-OFF-ON-ON-ON-ON:
70	 *	- Connect GP6_3[01] to BD082065 (USB2.0 ch3's host power).
71	 *	- Connect GP6_{04,21} to ADV7842.
72	 */
73	usb2_ch3_pins: usb2_ch3 {
74		groups = "usb2_ch3";
75		function = "usb2_ch3";
76	};
77};
78
79&usb2_phy3 {
80	pinctrl-0 = <&usb2_ch3_pins>;
81	pinctrl-names = "default";
82
83	status = "okay";
84};
85#endif /* SOC_HAS_USB2_CH3 */
86