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authorJamie Chen <jamie_chen@compal.corp-partner.google.com>2024-02-27 15:22:52 +0800
committerFelix Held <felix-coreboot@felixheld.de>2024-03-13 14:50:59 +0000
commit186907c4f7787bffc1e49dd988e53976099385d5 (patch)
tree73a2ed2a67c3262eaec33929fb08c54775663f0d /src/mainboard/google/brya
parent6833e8c01afc2827f150135f3805dc71820ddaa4 (diff)
mb/google/brya/var/omniknight: Pull down USI_REPORT_EN in romstage
Pull down USI_REPORT_EN(GPP_C6) in romstage to solve an abnormal peek pull high before BL_EN. Because power sequence no meet spec, pre #comment36, it may have ghost touch. BUG=b:326337003 TEST=FW_NAME=omnigul emerge-brya coreboot, measurement of HW and test touch detection by evtest Change-Id: I66f4a7915f135927fbc0a16254dece202dfc23a2 Signed-off-by: Jamie Chen <jamie_chen@compal.corp-partner.google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/80769 Reviewed-by: Derek Huang <derekhuang@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Diffstat (limited to 'src/mainboard/google/brya')
-rw-r--r--src/mainboard/google/brya/variants/omnigul/gpio.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/omnigul/gpio.c b/src/mainboard/google/brya/variants/omnigul/gpio.c
index c0216983cb..46d1584d2d 100644
--- a/src/mainboard/google/brya/variants/omnigul/gpio.c
+++ b/src/mainboard/google/brya/variants/omnigul/gpio.c
@@ -321,6 +321,9 @@ static const struct pad_config romstage_gpio_table[] = {
PAD_CFG_GPO(GPP_C0, 1, DEEP),
/* C1 : SMBDATA ==> USI_RST_L */
PAD_CFG_GPO(GPP_C1, 0, DEEP),
+ /* C6 : SML1CLK ==> USI_REPORT_EN */
+ PAD_CFG_GPO(GPP_C6, 0, DEEP),
+
// D1 : ISH_GP1 ==> FP_RST_ODL /
PAD_CFG_GPO(GPP_D1, 0, DEEP),
// D2 : ISH_GP2 ==> EN_FP_PWR /