| // SPDX-License-Identifier: GPL-2.0-or-later OR MIT |
| /* |
| * Copyright 2022 Toradex |
| */ |
| |
| #include "imx8mp-verdin-dahlia.dtsi" |
| |
| / { |
| /* TODO: Audio Codec */ |
| |
| reg_eth2phy: regulator-eth2phy { |
| compatible = "regulator-fixed"; |
| enable-active-high; |
| gpio = <&gpio_expander_21 4 GPIO_ACTIVE_HIGH>; /* ETH_PWR_EN */ |
| off-on-delay = <500000>; |
| regulator-max-microvolt = <3300000>; |
| regulator-min-microvolt = <3300000>; |
| regulator-name = "+V3.3_ETH"; |
| startup-delay-us = <200000>; |
| vin-supply = <®_3p3v>; |
| }; |
| }; |
| |
| &fec { |
| phy-supply = <®_eth2phy>; |
| status = "okay"; |
| }; |
| |
| &gpio_expander_21 { |
| status = "okay"; |
| vcc-supply = <®_1p8v>; |
| }; |
| |
| /* TODO: Verdin I2C_1 with Audio Codec */ |
| |
| /* Verdin UART_1, connector X50 through RS485 transceiver */ |
| &uart1 { |
| linux,rs485-enabled-at-boot-time; |
| rs485-rts-active-low; |
| rs485-rx-during-tx; |
| }; |
| |
| /* Limit frequency on dev board due to long traces and bad signal integrity */ |
| &usdhc2 { |
| max-frequency = <100000000>; |
| }; |