EricR Lai has uploaded a new patch set (#4) to the change originally created by Frank Wu. ( https://review.coreboot.org/c/coreboot/+/33808 )
Change subject: mb/google/hatch: Set GPP_D9 as enable pin for Goodix Touch Screen and increase reset off delay time ......................................................................
mb/google/hatch: Set GPP_D9 as enable pin for Goodix Touch Screen and increase reset off delay time
Goodix touchscreen cannot work in normal mode because PP3300_TOUCHSCREEN_DX dropped. Configure GPP_D9 as enable pin in the devicetree.cb to fix the power sequence. Increase reset_off_delay time from 1ms to 3ms to met the HW requirement.
BUG=b:135287161 BRANCH=None TEST=local build and measure sequence with Goodix touch screen
Change-Id: I33140869990aa4715c780b0fa322921e450530ef Signed-off-by: Frank Wu frank_wu@compal.corp-partner.google.com --- M src/mainboard/google/hatch/variants/baseboard/gpio.c M src/mainboard/google/hatch/variants/hatch/overridetree.cb M src/mainboard/google/hatch/variants/hatch_whl/overridetree.cb 3 files changed, 8 insertions(+), 4 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/08/33808/4