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mb/google/nissa/var/pujjocento: Change touchscreen properties

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Disabling fw splash caused touchscreen malfunctions.
Removing stop_delay_ms restored touchscreen functionality.
This modification reduces reset->i2c communication time
(before: 580ms; after: 300ms).

BUG=b:431870029,b:431870484
BRANCH=none
TEST=Build and boot to pujjocento. Verify touchpanel sequence

Change-Id: I838390f003d71bc63af0613ecf72515487a70492
Signed-off-by: Zhongtian Wu <wuzhongtian@huaqin.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/88878
Reviewed-by: Subrata Banik <subratabanik@google.com>
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kun Liu <liukun11@huaqin.corp-partner.google.com>
This commit is contained in:
Zhongtian Wu 2025-08-21 16:44:03 +08:00 • committed by Subrata Banik
commit 9999a4aebb
1 changed files with 0 additions and 1 deletions
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src/mainboard/google/brya/variants/pujjocento/overridetree.cb
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@ -548,7 +548,6 @@ chip soc/intel/alderlake
register "generic.reset_delay_ms" = "20"
register "generic.reset_off_delay_ms" = "2"
register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C4)"
register "generic.stop_delay_ms" = "280"
register "generic.stop_off_delay_ms" = "2"
register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)"
register "generic.enable_delay_ms" = "1"