[RESEND PATCH v5 2/5] ARM: dts: da850-lego-ev3: enable cpufreq
From: Bartosz Golaszewski <hidden>
Date: 2019-05-27 08:23:16
Also in:
linux-devicetree, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: David Lechner <david@lechnology.com> Add a fixed regulator for the LEGO EV3 board along with board-specific CPU configuration. Signed-off-by: David Lechner <david@lechnology.com> Signed-off-by: Bartosz Golaszewski <redacted> --- arch/arm/boot/dts/da850-lego-ev3.dts | 30 ++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+)
diff --git a/arch/arm/boot/dts/da850-lego-ev3.dts b/arch/arm/boot/dts/da850-lego-ev3.dts
index 66fcadf0ba91..553717f84483 100644
--- a/arch/arm/boot/dts/da850-lego-ev3.dts
+++ b/arch/arm/boot/dts/da850-lego-ev3.dts@@ -125,6 +125,15 @@ 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 +213,27 @@ 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";
--
2.21.0
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