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authorKane Chen <kane_chen@pegatron.corp-partner.google.com>2020-08-17 13:49:51 +0800
committerFurquan Shaikh <furquan@google.com>2020-08-24 01:53:00 +0000
commitc7a7531cee0e16893b5713cdfbbc6466339ec145 (patch)
treef186f9a9fcaf25572f77a9de9fff8db7a19083ab /src
parent9a3b8bdb5b0452ee85f9fd5f9c1b98860e4d1929 (diff)
downloadcoreboot-c7a7531cee0e16893b5713cdfbbc6466339ec145.tar.xz
mb/google/zork: Add GPIO_144 in touchscreen power on/off sequence
Add GPIO_144 setting to fix touchscreen function not work. 1. Modify reset pin to stop gpio delay to 200ms. 2. Reset GPIO off delay set to 1ms. 3. Add GPIO_144 as stop GPIO. 4. Stop GPIO off delay set to 1ms. 5. Set disable_gpio_export_in_crs = 1. BUG=b:160126287 BRANCH=Zork TEST=emerge-zork coreboot Signed-off-by: Kane Chen <kane_chen@pegatron.corp-partner.google.com> Change-Id: I25299861b91cb7b76e512fad743b80221e6ffb4c Reviewed-on: https://review.coreboot.org/c/coreboot/+/44513 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Furquan Shaikh <furquan@google.com>
Diffstat (limited to 'src')
-rw-r--r--src/mainboard/google/zork/variants/woomax/overridetree.cb6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/mainboard/google/zork/variants/woomax/overridetree.cb b/src/mainboard/google/zork/variants/woomax/overridetree.cb
index 2f925f5644..f27cf6f3b8 100644
--- a/src/mainboard/google/zork/variants/woomax/overridetree.cb
+++ b/src/mainboard/google/zork/variants/woomax/overridetree.cb
@@ -69,8 +69,12 @@ chip soc/amd/picasso
register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_90)"
register "generic.enable_delay_ms" = "1"
register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_140)"
- register "generic.reset_delay_ms" = "20"
+ register "generic.reset_delay_ms" = "50"
+ register "generic.reset_off_delay_ms" = "1"
+ register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPIO_144)"
+ register "generic.stop_off_delay_ms" = "1"
register "generic.has_power_resource" = "1"
+ register "generic.disable_gpio_export_in_crs" = "1"
register "hid_desc_reg_offset" = "0x01"
device i2c 10 on end
end