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@@ -0,0 +1,24 @@
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+// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
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+/*
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+ * Copyright (C) 2020 Marek Vasut <marex@denx.de>
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+ */
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+
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+#include "stm32mp15xx-dhcor-io3v3.dtsi"
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+
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+/ {
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+ /* Enpirion EP3A8LQI U2 on the 1V8 IO DHCOR */
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+ vdd_io: regulator-buck-io {
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+ compatible = "regulator-fixed";
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+ regulator-name = "buck-io";
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+ regulator-min-microvolt = <1800000>;
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+ regulator-max-microvolt = <1800000>;
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+ regulator-always-on;
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+ regulator-boot-on;
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+ vin-supply = <&vdd>;
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+ };
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+};
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+
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+&pwr_regulators {
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+ vdd-supply = <&vdd_io>;
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+ vdd_3v3_usbfs-supply = <&vdd_usb>;
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+};
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