Tom Rini | 762f85b | 2024-07-20 11:15:10 -0600 | [diff] [blame] | 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: usb-host-vbus-regulator { |
| 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: vcc1v8-eth-regulator { |
| 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: vcc3v3-eth-regulator { |
| 51 | compatible = "regulator-fixed"; |
| 52 | enable-active-low; |
| 53 | gpio = <&gpio0 RK_PC0 GPIO_ACTIVE_LOW>; |
| 54 | pinctrl-names = "default"; |
| 55 | pinctrl-0 = <&vcc3v3_eth_enn>; |
| 56 | regulator-always-on; |
| 57 | regulator-boot-on; |
| 58 | regulator-name = "3v3_eth"; |
| 59 | regulator-min-microvolt = <3300000>; |
| 60 | regulator-max-microvolt = <3300000>; |
| 61 | vin-supply = <&vcc3v3_sys>; |
| 62 | }; |
| 63 | }; |
| 64 | |
| 65 | &gmac0 { |
| 66 | assigned-clocks = <&cru SCLK_GMAC0_RX_TX>, |
| 67 | <&cru SCLK_GMAC0>; |
| 68 | assigned-clock-parents = <&cru SCLK_GMAC0_RMII_SPEED>, |
| 69 | <&gmac0_clkin>; |
| 70 | clock_in_out = "input"; |
| 71 | phy-handle = <&dp83826>; |
| 72 | phy-mode = "rmii"; |
| 73 | phy-supply = <&vcc3v3_eth>; |
| 74 | pinctrl-names = "default"; |
| 75 | pinctrl-0 = <&gmac0_miim |
| 76 | &gmac0_clkinout |
| 77 | &gmac0_rx_er |
| 78 | &gmac0_rx_bus2 |
| 79 | &gmac0_tx_bus2>; |
| 80 | status = "okay"; |
| 81 | }; |
| 82 | |
| 83 | &mdio0 { |
| 84 | #address-cells = <1>; |
| 85 | #size-cells = <0>; |
| 86 | |
| 87 | dp83826: ethernet-phy@0 { |
| 88 | compatible = "ethernet-phy-ieee802.3-c22"; |
| 89 | reg = <0x0>; |
| 90 | interrupt-parent = <&gpio0>; |
| 91 | interrupts = <RK_PD3 IRQ_TYPE_EDGE_FALLING>; |
| 92 | pinctrl-names = "default"; |
| 93 | pinctrl-0 = <ð_wake_intn ð_phy_rstn>; |
| 94 | reset-assert-us = <1000>; |
| 95 | reset-deassert-us = <2000>; |
| 96 | reset-gpios = <&gpio0 RK_PD4 GPIO_ACTIVE_LOW>; |
| 97 | wakeup-source; |
| 98 | }; |
| 99 | }; |
| 100 | |
| 101 | &pinctrl { |
| 102 | ethernet { |
| 103 | eth_wake_intn: eth-wake-intn-pinctrl { |
| 104 | rockchip,pins = <0 RK_PD3 RK_FUNC_GPIO &pcfg_pull_none>; |
| 105 | }; |
| 106 | |
| 107 | eth_phy_rstn: eth-phy-rstn-pinctrl { |
| 108 | rockchip,pins = <0 RK_PD4 RK_FUNC_GPIO &pcfg_pull_none>; |
| 109 | }; |
| 110 | |
| 111 | vcc1v8_eth_en: vcc1v8-eth-en-pinctrl { |
| 112 | rockchip,pins = <0 RK_PC1 RK_FUNC_GPIO &pcfg_pull_none>; |
| 113 | }; |
| 114 | |
| 115 | vcc3v3_eth_enn: vcc3v3-eth-enn-pinctrl { |
| 116 | rockchip,pins = <0 RK_PC0 RK_FUNC_GPIO &pcfg_pull_none>; |
| 117 | }; |
| 118 | }; |
| 119 | |
| 120 | usb { |
| 121 | usb_host_vbus_en: usb-host-vbus-en-pinctrl { |
| 122 | rockchip,pins = <1 RK_PA3 RK_FUNC_GPIO &pcfg_pull_none>; |
| 123 | }; |
| 124 | }; |
| 125 | }; |
| 126 | |
| 127 | &usb_host1_xhci { |
| 128 | maximum-speed = "high-speed"; |
| 129 | phys = <&usb2phy0_host>; |
| 130 | phy-names = "usb2-phy"; |
| 131 | status = "okay"; |
| 132 | }; |
| 133 | |
| 134 | &usb2phy0_host { |
| 135 | phy-supply = <&usb_host_vbus>; |
| 136 | status = "okay"; |
| 137 | }; |