diff options
Diffstat (limited to 'arch/arm/boot/dts/da850-lcdk.dts')
| -rw-r--r-- | arch/arm/boot/dts/da850-lcdk.dts | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/arch/arm/boot/dts/da850-lcdk.dts b/arch/arm/boot/dts/da850-lcdk.dts index 26f453dc8370..e379d6e7ad49 100644 --- a/arch/arm/boot/dts/da850-lcdk.dts +++ b/arch/arm/boot/dts/da850-lcdk.dts @@ -1,7 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2016 BayLibre, Inc. - * - * Licensed under GPLv2. */ /dts-v1/; #include "da850.dtsi" @@ -155,12 +154,48 @@ }; }; }; + + cvdd: regulator0 { + compatible = "regulator-fixed"; + regulator-name = "cvdd"; + regulator-min-microvolt = <1300000>; + regulator-max-microvolt = <1300000>; + regulator-always-on; + regulator-boot-on; + }; }; &ref_clk { clock-frequency = <24000000>; }; +&cpu { + cpu-supply = <&cvdd>; +}; + +/* + * LCDK has a fixed CVDD of 1.3V, so only operating points >= 300MHz are + * valid. Unfortunately due to a problem with the DA8XX OHCI controller, we + * can't enable more than one OPP by default, since the controller sometimes + * becomes unresponsive after a transition. Fix the frequency at 456 MHz. + */ + +&opp_100 { + status = "disabled"; +}; + +&opp_200 { + status = "disabled"; +}; + +&opp_300 { + status = "disabled"; +}; + +&opp_456 { + status = "okay"; +}; + &pmx_core { status = "okay"; |