diff options
Diffstat (limited to 'arch/arm/boot/dts/da850-lego-ev3.dts')
| -rw-r--r-- | arch/arm/boot/dts/da850-lego-ev3.dts | 35 |
1 files changed, 31 insertions, 4 deletions
diff --git a/arch/arm/boot/dts/da850-lego-ev3.dts b/arch/arm/boot/dts/da850-lego-ev3.dts index 66fcadf0ba91..afd04a423856 100644 --- a/arch/arm/boot/dts/da850-lego-ev3.dts +++ b/arch/arm/boot/dts/da850-lego-ev3.dts @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Device tree for LEGO MINDSTORMS EV3 * * Copyright (C) 2017 David Lechner <david@lechnology.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation, version 2. */ /dts-v1/; @@ -125,6 +122,15 @@ amp-supply = <&>; }; + cvdd: regulator0 { + compatible = "regulator-fixed"; + regulator-name = "cvdd"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + regulator-always-on; + regulator-boot-on; + }; + /* * This is a 5V current limiting regulator that is shared by USB, * the sensor (input) ports, the motor (output) ports and the A/DC. @@ -204,6 +210,27 @@ clock-frequency = <24000000>; }; +&cpu { + cpu-supply = <&cvdd>; +}; + +/* since we have a fixed regulator, we can't run at these points */ +&opp_100 { + status = "disabled"; +}; + +&opp_200 { + status = "disabled"; +}; + +/* + * The SoC is actually the 456MHz version, but because of the fixed regulator + * This is the fastest we can go. + */ +&opp_375 { + status = "okay"; +}; + &pmx_core { status = "okay"; |