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 idt,shutdown = <0>; 29 idt,output-enable-active = <1>; 30 }; 31}; 32 33#ifdef SOC_HAS_SATA 34&pca9654 { 35 pcie-sata-switch-hog { 36 gpio-hog; 37 gpios = <7 GPIO_ACTIVE_HIGH>; 38 output-low; /* enable SATA by default */ 39 line-name = "PCIE/SATA switch"; 40 }; 41}; 42 43/* SW12-7 must be set 'Off' (MD12 set to 1) which is not the default! */ 44#endif /* SOC_HAS_SATA */ 45 46#ifdef SOC_HAS_USB2_CH3 47&ehci3 { 48 dr_mode = "otg"; 49 status = "okay"; 50}; 51 52&hsusb3 { 53 dr_mode = "otg"; 54 status = "okay"; 55}; 56 57&ohci3 { 58 dr_mode = "otg"; 59 status = "okay"; 60}; 61 62&pfc { 63 /* 64 * - On Salvator-X[S], GP6_3[01] are connected to ADV7482 as irq pins 65 * (when SW31 is the default setting on Salvator-XS). 66 * - If SW31 is the default setting, you cannot use USB2.0 ch3 on 67 * r8a77951 with Salvator-XS. 68 * Hence the SW31 setting must be changed like 2) below. 69 * 1) Default setting of SW31: ON-ON-OFF-OFF-OFF-OFF: 70 * - Connect GP6_3[01] to ADV7842. 71 * 2) Changed setting of SW31: OFF-OFF-ON-ON-ON-ON: 72 * - Connect GP6_3[01] to BD082065 (USB2.0 ch3's host power). 73 * - Connect GP6_{04,21} to ADV7842. 74 */ 75 usb2_ch3_pins: usb2_ch3 { 76 groups = "usb2_ch3"; 77 function = "usb2_ch3"; 78 }; 79}; 80 81&usb2_phy3 { 82 pinctrl-0 = <&usb2_ch3_pins>; 83 pinctrl-names = "default"; 84 85 status = "okay"; 86}; 87#endif /* SOC_HAS_USB2_CH3 */ 88