[v2,1/2] arm64: dts: imx8mq-librem5-devkit: Use 0.9V for VDD_GPU
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Message ID 1a084c980fb5373f15b03ad83a404fc37eac085e.1587480093.git.agx@sigxcpu.org
State New
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  • arm64: dts: imx8mq-librem5-devkit: Use 0.9V for VDD_GPU
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Commit Message

Guido Günther April 21, 2020, 2:44 p.m. UTC
According to the imx8mq data sheet running VDD_GPU at 0.9V is enough
when not overclocking to 1GHz (which we currently don't do).

Signed-off-by: Guido Günther <guido.gunther@puri.sm>
---
 arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch
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diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
index 10eca94194be..0526ebf0da0f 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5-devkit.dts
@@ -318,7 +318,7 @@  buck3_reg: BUCK3 {
 				regulator-min-microvolt = <700000>;
 				regulator-max-microvolt = <1300000>;
 				regulator-boot-on;
-				rohm,dvs-run-voltage = <1000000>;
+				rohm,dvs-run-voltage = <900000>;
 			};
 
 			buck4_reg: BUCK4 {