linux-zen-server/arch/arm64/boot/dts/renesas/salvator-xs.dtsi

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2023-08-30 17:53:23 +02:00
// SPDX-License-Identifier: GPL-2.0
/*
* Device Tree Source for the Salvator-X 2nd version board
*
* Copyright (C) 2015-2017 Renesas Electronics Corp.
*/
#include "salvator-common.dtsi"
/ {
model = "Renesas Salvator-X 2nd version board";
compatible = "renesas,salvator-xs";
};
&extal_clk {
clock-frequency = <16640000>;
};
&i2c4 {
clock-frequency = <400000>;
versaclock6: clock-generator@6a {
compatible = "idt,5p49v6901";
reg = <0x6a>;
#clock-cells = <1>;
clocks = <&x23_clk>;
clock-names = "xin";
};
};
#ifdef SOC_HAS_SATA
&pca9654 {
pcie-sata-switch-hog {
gpio-hog;
gpios = <7 GPIO_ACTIVE_HIGH>;
output-low; /* enable SATA by default */
line-name = "PCIE/SATA switch";
};
};
/* SW12-7 must be set 'Off' (MD12 set to 1) which is not the default! */
#endif /* SOC_HAS_SATA */
#ifdef SOC_HAS_USB2_CH3
&ehci3 {
dr_mode = "otg";
status = "okay";
};
&hsusb3 {
dr_mode = "otg";
status = "okay";
};
&ohci3 {
dr_mode = "otg";
status = "okay";
};
&pfc {
/*
* - On Salvator-X[S], GP6_3[01] are connected to ADV7482 as irq pins
* (when SW31 is the default setting on Salvator-XS).
* - If SW31 is the default setting, you cannot use USB2.0 ch3 on
* r8a77951 with Salvator-XS.
* Hence the SW31 setting must be changed like 2) below.
* 1) Default setting of SW31: ON-ON-OFF-OFF-OFF-OFF:
* - Connect GP6_3[01] to ADV7842.
* 2) Changed setting of SW31: OFF-OFF-ON-ON-ON-ON:
* - Connect GP6_3[01] to BD082065 (USB2.0 ch3's host power).
* - Connect GP6_{04,21} to ADV7842.
*/
usb2_ch3_pins: usb2_ch3 {
groups = "usb2_ch3";
function = "usb2_ch3";
};
};
&usb2_phy3 {
pinctrl-0 = <&usb2_ch3_pins>;
pinctrl-names = "default";
status = "okay";
};
#endif /* SOC_HAS_USB2_CH3 */