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authorhenryc.chen <henryc.chen@mediatek.com>2016-04-25 15:53:29 +0800
committerPatrick Georgi <pgeorgi@google.com>2016-05-09 08:36:57 +0200
commit53e78539de11fa4f52348fa711d723742802a479 (patch)
treed0a39ba5bca2351d5385f8cceb06fa5385e27de9
parentb7041a7ee28e3f2c4442649fef0f14c88b38d5b3 (diff)
downloadcoreboot-53e78539de11fa4f52348fa711d723742802a479.tar.xz
soc/mediatek/mt8173: mt6391: vcore sleep voltage should be 0.7V
Vcore voltage should be 0.7V during system suspend. Because data sheet of mt6391 was not correct, need to config to 0x0 instead of 0x1. QI_VCORE_VSLEEP 00: 0.7V 01: 0.6V 10: 0.65V 11: 0.75V BUG=chrome-os-partner:52719 TEST=powerd_dbus_suspend Change-Id: Ie504ebfb7cafae85bbba7919fce1578bbfbfafb7 Signed-off-by: Patrick Georgi <pgeorgi@chromium.org> Original-Commit-Id: cf15f5b63fac8968216772a8b37d2fe122414e24 Original-Change-Id: Ide53eca328c28007e2181497c888724c8a91ae93 Original-Signed-off-by: henryc.chen <henryc.chen@mediatek.com> Original-Reviewed-on: https://chromium-review.googlesource.com/340540 Original-Commit-Ready: Yidi Lin <yidi.lin@mediatek.com> Original-Tested-by: Yidi Lin <yidi.lin@mediatek.com> Original-Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/14696 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
-rw-r--r--src/soc/mediatek/mt8173/mt6391.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/soc/mediatek/mt8173/mt6391.c b/src/soc/mediatek/mt8173/mt6391.c
index f88fb8efca..ec7fabc554 100644
--- a/src/soc/mediatek/mt8173/mt6391.c
+++ b/src/soc/mediatek/mt8173/mt6391.c
@@ -193,7 +193,7 @@ static void mt6391_init_setting(void)
/* [12:0]: BUCK_RSV; for OC protection */
mt6391_write(PMIC_RG_BUCK_CON3, 0x600, 0x0FFF, 0);
/* [11:10]: QI_VCORE_VSLEEP; sleep mode only (0.7V) */
- mt6391_write(PMIC_RG_BUCK_CON8, 0x1, 0x3, 10);
+ mt6391_write(PMIC_RG_BUCK_CON8, 0x0, 0x3, 10);
/* [7:6]: QI_VSRMCA7_VSLEEP; sleep mode only (0.85V) */
mt6391_write(PMIC_RG_BUCK_CON8, 0x0, 0x3, 6);
/* [5:4]: QI_VSRMCA15_VSLEEP; sleep mode only (0.7V) */