1// SPDX-License-Identifier: (GPL-2.0+ OR MIT) 2/* 3 * Copyright (C) 2018 Chen-Yu Tsai <wens@csie.org> 4 */ 5 6#include "sunxi-bananapi-m2-plus.dtsi" 7 8/ { 9 /* 10 * Bananapi M2+ v1.2 uses a GPIO line to change the effective 11 * resistance on the CPU regulator's feedback pin. 12 */ 13 reg_vdd_cpux: vdd-cpux { 14 compatible = "regulator-gpio"; 15 regulator-name = "vdd-cpux"; 16 regulator-type = "voltage"; 17 regulator-boot-on; 18 regulator-always-on; 19 regulator-min-microvolt = <1100000>; 20 regulator-max-microvolt = <1300000>; 21 regulator-ramp-delay = <50>; /* 4ms */ 22 gpios = <&r_pio 0 1 GPIO_ACTIVE_HIGH>; /* PL1 */ 23 gpios-states = <0x1>; 24 states = <1100000 0>, <1300000 1>; 25 }; 26}; 27 28&cpu0 { 29 cpu-supply = <®_vdd_cpux>; 30}; 31