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-rw-r--r--dts/src/arm64/freescale/imx8mp-verdin-dev.dtsi46
1 files changed, 46 insertions, 0 deletions
diff --git a/dts/src/arm64/freescale/imx8mp-verdin-dev.dtsi b/dts/src/arm64/freescale/imx8mp-verdin-dev.dtsi
new file mode 100644
index 0000000000..cefabe65b2
--- /dev/null
+++ b/dts/src/arm64/freescale/imx8mp-verdin-dev.dtsi
@@ -0,0 +1,46 @@
+// 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 = <&reg_3p3v>;
+ };
+};
+
+&fec {
+ phy-supply = <&reg_eth2phy>;
+ status = "okay";
+};
+
+&gpio_expander_21 {
+ status = "okay";
+ vcc-supply = <&reg_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>;
+};