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Main objective for this change is to export the bluetooth reset
gpio to the kernel for use in an rf-kill operation.
To do so, we enable USB acpi and define all of the USB2 devices,
which includes bluetooth's reset gpio information.
BUG=b:119899987
TEST=build and flash to rammus, log into rammus and
'cat /sys/firmware/acpi/tables/SSDT > /tmp/ssdt.dml', copy
that ssdt.dsml to /tmp/ssdt.dml on host machine,
'iasl -d /tmp/ssdt.dml', then verify that "reset gpio"
shows up in the HS03 node's _DSD package in the table.
Signed-off-by: marxwang <marx.wang@intel.com>
Change-Id: Ieadb3609c7634a20e96c7c4dfb96f5e3f23e468b
Reviewed-on: https://review.coreboot.org/c/30607
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Zhuohao Lee <zhuohao@google.com>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
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According to issue tracker b:119238959 #4 & #6.
Hardware modify design to make GPP_E3 to be a switch of touchscreen
I2C CLK and SDA.
Control GPP_E3 to make touchscreen I2C CLK and SDA keep low during
power on initialization to avoid data transfer during this time.
After touchscreen IC initial complete, control GPP_E3 to high to
make touchscreen I2C CLK and SDA work normally.
Depending on touchscreen IC specification, device take 105ms for
power on initialization.
Change delay time from 120ms to 105ms.
BUG=b:119238959
BRANCH=firmware-rammus-11275.B
TEST=emerge-rammus coreboot chromeos-ec chromeos-bootimage
Flash FW to DUT, run S5 stress test and verify the result
Signed-off-by: YanRu Chen <kane_chen@pegatron.corp-partner.google.com>
Change-Id: I86452c1445243c499aeaf931dba286db169c5628
Reviewed-on: https://review.coreboot.org/c/30180
Reviewed-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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The gpio setting is based on the proto board schematics
BUG=b:111579386
BRANCH=Master
TEST=Build pass
Change-Id: I20fc081d372b8686f6128a7e85276f9c6798b199
Signed-off-by: Zhuohao Lee <zhuohao@chromium.org>
Reviewed-on: https://review.coreboot.org/27807
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
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