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authorFurquan Shaikh <furquan@google.com>2020-08-28 12:16:23 -0700
committerFurquan Shaikh <furquan@google.com>2020-08-31 17:49:25 +0000
commit000003ea1e2e741def558806bf24e8507792bf56 (patch)
tree9d190bbba3f01e92e4fbec3862622a2dbd873ec6 /src/mainboard/google/zork/variants/vilboz
parente8286633924ba889db691bd71ed059d847ecff6c (diff)
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mb/google/zork: Fix active polarity of touchscreen reset GPIO in overridetree
v3.6+ of reference schematics have moved to using active low polarity for touchscreen GPIO. This change sets the default polarity in override tree accordingly to active low. To support boards from older builds, variant_touchscreen_update() already updates the polarity to active high. BUG=b:161937506 Change-Id: I370bdb27ea5d0601612d13b515113a6048018964 Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/44909 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'src/mainboard/google/zork/variants/vilboz')
-rw-r--r--src/mainboard/google/zork/variants/vilboz/overridetree.cb2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mainboard/google/zork/variants/vilboz/overridetree.cb b/src/mainboard/google/zork/variants/vilboz/overridetree.cb
index 00adb23e49f9..c44ff41955e5 100644
--- a/src/mainboard/google/zork/variants/vilboz/overridetree.cb
+++ b/src/mainboard/google/zork/variants/vilboz/overridetree.cb
@@ -98,7 +98,7 @@ chip soc/amd/picasso
register "generic.probed" = "1"
register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_32)"
register "generic.enable_delay_ms" = "10"
- register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_140)"
+ register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPIO_140)"
register "generic.reset_off_delay_ms" = "1"
register "generic.reset_delay_ms" = "120"
register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_144)"