| Chen-Yu Tsai | b5fe523 | 2020-01-12 23:36:13 +0800 | [diff] [blame] | 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 | }; |