// SPDX-License-Identifier: (GPL-2.0+ OR MIT) /* * Copyright (C) 2018 Chen-Yu Tsai */ #include "sunxi-bananapi-m2-plus.dtsi" / { /* * Bananapi M2+ v1.2 uses a GPIO line to change the effective * resistance on the CPU regulator's feedback pin. */ reg_vdd_cpux: vdd-cpux { compatible = "regulator-gpio"; regulator-name = "vdd-cpux"; regulator-type = "voltage"; regulator-boot-on; regulator-always-on; regulator-min-microvolt = <1100000>; regulator-max-microvolt = <1300000>; regulator-ramp-delay = <50>; /* 4ms */ gpios = <&r_pio 0 1 GPIO_ACTIVE_HIGH>; /* PL1 */ gpios-states = <0x1>; states = <1100000 0>, <1300000 1>; }; }; &cpu0 { cpu-supply = <®_vdd_cpux>; };