rk3568-wolfvision-pf5-io-expander.dtso

  1// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
  2/*
  3 * Device tree overlay for the WolfVision PF5 IO Expander board.
  4 *
  5 * Copyright (C) 2024 WolfVision GmbH.
  6 */
  7
  8/dts-v1/;
  9/plugin/;
 10
 11#include <dt-bindings/clock/rk3568-cru.h>
 12#include <dt-bindings/gpio/gpio.h>
 13#include <dt-bindings/interrupt-controller/irq.h>
 14#include <dt-bindings/pinctrl/rockchip.h>
 15
 16&{/} {
 17	gmac0_clkin: external-gmac0-clock {
 18		compatible = "fixed-clock";
 19		clock-frequency = <50000000>;
 20		clock-output-names = "gmac0_clkin";
 21		#clock-cells = <0>;
 22	};
 23
 24	usb_host_vbus: regulator-usb-host-vbus {
 25		compatible = "regulator-fixed";
 26		enable-active-high;
 27		gpio = <&gpio1 RK_PA3 GPIO_ACTIVE_HIGH>;
 28		pinctrl-names = "default";
 29		pinctrl-0 = <&usb_host_vbus_en>;
 30		regulator-name = "usb_host_vbus";
 31		regulator-min-microvolt = <5000000>;
 32		regulator-max-microvolt = <5000000>;
 33		vin-supply = <&vcc5v_in>;
 34	};
 35
 36	vcc1v8_eth: regulator-vcc1v8-eth {
 37		compatible = "regulator-fixed";
 38		enable-active-high;
 39		gpio = <&gpio0 RK_PC1 GPIO_ACTIVE_HIGH>;
 40		pinctrl-names = "default";
 41		pinctrl-0 = <&vcc1v8_eth_en>;
 42		regulator-always-on;
 43		regulator-boot-on;
 44		regulator-name = "1v8_eth";
 45		regulator-min-microvolt = <1800000>;
 46		regulator-max-microvolt = <1800000>;
 47		vin-supply = <&vcc3v3_sys>;
 48	};
 49
 50	vcc3v3_eth: regulator-vcc3v3-eth {
 51		compatible = "regulator-fixed";
 52		gpio = <&gpio0 RK_PC0 GPIO_ACTIVE_LOW>;
 53		pinctrl-names = "default";
 54		pinctrl-0 = <&vcc3v3_eth_enn>;
 55		regulator-always-on;
 56		regulator-boot-on;
 57		regulator-name = "3v3_eth";
 58		regulator-min-microvolt = <3300000>;
 59		regulator-max-microvolt = <3300000>;
 60		vin-supply = <&vcc3v3_sys>;
 61	};
 62};
 63
 64&gmac0 {
 65	assigned-clocks = <&cru SCLK_GMAC0_RX_TX>,
 66			  <&cru SCLK_GMAC0>;
 67	assigned-clock-parents = <&cru SCLK_GMAC0_RMII_SPEED>,
 68				 <&gmac0_clkin>;
 69	clock_in_out = "input";
 70	phy-handle = <&dp83826>;
 71	phy-mode = "rmii";
 72	phy-supply = <&vcc3v3_eth>;
 73	pinctrl-names = "default";
 74	pinctrl-0 = <&gmac0_miim
 75		     &gmac0_clkinout
 76		     &gmac0_rx_er
 77		     &gmac0_rx_bus2
 78		     &gmac0_tx_bus2>;
 79	status = "okay";
 80};
 81
 82&mdio0 {
 83	#address-cells = <1>;
 84	#size-cells = <0>;
 85
 86	dp83826: ethernet-phy@0 {
 87		compatible = "ethernet-phy-ieee802.3-c22";
 88		reg = <0x0>;
 89		interrupt-parent = <&gpio0>;
 90		interrupts = <RK_PD3 IRQ_TYPE_EDGE_FALLING>;
 91		pinctrl-names = "default";
 92		pinctrl-0 = <&eth_wake_intn &eth_phy_rstn>;
 93		reset-assert-us = <1000>;
 94		reset-deassert-us = <2000>;
 95		reset-gpios = <&gpio0 RK_PD4 GPIO_ACTIVE_LOW>;
 96		wakeup-source;
 97	};
 98};
 99
100&pinctrl {
101	ethernet {
102		eth_wake_intn: eth-wake-intn-pinctrl {
103			rockchip,pins = <0 RK_PD3 RK_FUNC_GPIO &pcfg_pull_none>;
104		};
105
106		eth_phy_rstn: eth-phy-rstn-pinctrl {
107			rockchip,pins = <0 RK_PD4 RK_FUNC_GPIO &pcfg_pull_none>;
108		};
109
110		vcc1v8_eth_en: vcc1v8-eth-en-pinctrl {
111			rockchip,pins = <0 RK_PC1 RK_FUNC_GPIO &pcfg_pull_none>;
112		};
113
114		vcc3v3_eth_enn: vcc3v3-eth-enn-pinctrl {
115			rockchip,pins = <0 RK_PC0 RK_FUNC_GPIO &pcfg_pull_none>;
116		};
117	};
118
119	usb {
120		usb_host_vbus_en: usb-host-vbus-en-pinctrl {
121			rockchip,pins = <1 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>;
122		};
123	};
124};
125
126&usb_host1_xhci {
127	maximum-speed = "high-speed";
128	phys = <&usb2phy0_host>;
129	phy-names = "usb2-phy";
130	status = "okay";
131};
132
133&usb2phy0_host {
134	phy-supply = <&usb_host_vbus>;
135	status = "okay";
136};