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authorSen Chu <sen.chu@mediatek.corp-partner.google.com>2022-09-05 19:19:48 +0800
committerFelix Held <felix-coreboot@felixheld.de>2022-09-09 10:43:43 +0000
commita292f41faef437555c675d50090dc107bfff375e (patch)
treea986b9719009afb7067af0175991328549452b00 /src/include/b64_decode.h
parentad0288a843ab65f2a567cf6095c129e2ca8e8476 (diff)
soc/mediatek/mt8186: Enable CPU power hardware tracking for PMIC MT6366
1. There are two power sources for CPU: - Logic power (VPROC). - SRAM power (VSRAM_PROC). 2. There is a constraint between VPROC and VSRAM_PROC: - 0mV <= VSRAM_PROC - VPROC <= 250mV. With software control, the constraint might not always hold. Therefore, we enable hardware tracking from PMIC MT6366 to ensure the constraint is met automatically. BUG=b:236353282, b:241615706 TEST=meet the constrain correctly when adjusting the voltage. Signed-off-by: Sen Chu <sen.chu@mediatek.corp-partner.google.com> Change-Id: I6012c57e60c009f1d599b57aab1c2526ee789208 Reviewed-on: https://review.coreboot.org/c/coreboot/+/67436 Reviewed-by: Yidi Lin <yidilin@google.com> Reviewed-by: Yu-Ping Wu <yupingso@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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