From: David Collins Date: Mon, 28 Mar 2016 18:58:29 +0000 (-0700) Subject: ARM: dts: msm: reduce CPU LDO headroom voltage for msm8996pro X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=80e624f1738b514d0cc69343e4dc6e64ea498ae1;p=sagit-ice-cold%2Fkernel_xiaomi_msm8998.git ARM: dts: msm: reduce CPU LDO headroom voltage for msm8996pro Hardware characterization has shown that the CPU LDOs can operate safely with less than 150 mV of headroom voltage. Reduce the CPU LDO minimum allowed headroom voltage for both the power cluster and the performance cluster in order to save power by allowing LDO usage in more situations. Change-Id: I72f28569d4719540fc84cf65d8783bbfec9435ad CRs-Fixed: 989555 Signed-off-by: David Collins --- diff --git a/arch/arm/boot/dts/qcom/msm8996pro.dtsi b/arch/arm/boot/dts/qcom/msm8996pro.dtsi index d1f4f21da31a..9dd83bc38f43 100644 --- a/arch/arm/boot/dts/qcom/msm8996pro.dtsi +++ b/arch/arm/boot/dts/qcom/msm8996pro.dtsi @@ -271,6 +271,8 @@ qcom,cpr-aging-ro-scaling-factor = <3200>; qcom,allow-aging-voltage-adjustment = <1>; qcom,allow-aging-open-loop-voltage-adjustment = <1>; + + qcom,ldo-min-headroom-voltage = <80000>; }; &apc0_cbf_vreg { @@ -700,6 +702,7 @@ qcom,allow-aging-open-loop-voltage-adjustment = <1>; qcom,cpr-dynamic-floor-corner = <1>; + qcom,ldo-min-headroom-voltage = <130000>; }; &pmi8994_s2 { @@ -906,6 +909,14 @@ qcom,allow-aging-open-loop-voltage-adjustment = <1>; }; +&kryo0_vreg { + qcom,ldo-headroom-voltage = <80000>; +}; + +&kryo1_vreg { + qcom,ldo-headroom-voltage = <130000>; +}; + &clock_cpu { compatible = "qcom,cpu-clock-8996-pro"; qcom,pwrcl-speedbin0-v0 =