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kane_chen 888af331fe mainboard/google/poppy/variants/rammus: Enable touchscreen 
On rammus, set GPIO GPP_C22 to 1 for touchscreen power on.
And add touchscreen device "PNP0C50" to I2C0.
According to touchscreen spec, device power on initialization takes
105 ms, so set "generic.enable_delay_ms" to 120.

We found there is i2c error log pop up when we set delay
time to be 110ms or 105ms. If we set delay time to be
120ms. System will not pop up i2c error log.

BUG=b:115944726
BRANCH=master
TEST=emerge-rammus coreboot chromeos-ec chromeos-bootimage
Flash FW to DUT, and make sure touchscreen works.

Change-Id: Ibce552d04991e85c99ae3a0a92455fc747d9fced
Signed-off-by: YanRu Chen <kane_chen@pegatron.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/28598
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Zhuohao Lee <zhuohao@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
2018-10-24 09:57:21 +00:00
..
acpi arch/x86: Add common AMD ACPI hardware definitions 2017-11-10 19:15:38 +00:00
arch src: Remove unneeded whitespace 2018-10-23 15:52:09 +00:00
commonlib src: Remove unneeded whitespace 2018-10-23 15:52:09 +00:00
console console: Set default loglevel to 8 (SPEW) for CONFIG_CHROMEOS 2018-10-18 12:50:41 +00:00
cpu src: Remove unneeded whitespace 2018-10-23 15:52:09 +00:00
device src: Remove unneeded whitespace 2018-10-23 15:52:09 +00:00
drivers src: Remove unneeded whitespace 2018-10-23 15:52:09 +00:00
ec ec/google/chromeec: Use common MEC interface 2018-10-18 15:01:40 +00:00
include intel: Use CF9 reset (part 2) 2018-10-22 08:35:32 +00:00
lib src: Remove unneeded whitespace 2018-10-23 15:52:09 +00:00
mainboard mainboard/google/poppy/variants/rammus: Enable touchscreen 2018-10-24 09:57:21 +00:00
northbridge src: Remove unneeded whitespace 2018-10-23 15:52:09 +00:00
security vboot: fix CONFIG_RESUME_PATH_SAME_AS_BOOT S3 resume logic 2018-10-24 09:07:43 +00:00
soc vboot: fix CONFIG_RESUME_PATH_SAME_AS_BOOT S3 resume logic 2018-10-24 09:07:43 +00:00
southbridge vboot: fix CONFIG_RESUME_PATH_SAME_AS_BOOT S3 resume logic 2018-10-24 09:07:43 +00:00
superio src: Remove unneeded whitespace 2018-10-23 15:52:09 +00:00
vendorcode src: Typo fix (cosmetic) 2018-10-23 06:15:43 +00:00
Kconfig src/Kconfig: Drop a superfluous word 2018-10-01 15:28:47 +00:00