Emulation/switch-coreboot
1
0
Fork 0
mirror of https://github.com/fail0verflow/switch-coreboot.git synced 2025-05-04 01:39:18 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

UPSTREAM: mb/google/eve: switch touchpad devicetree to i2c-hid and cros_ec i2c device

Browse source 
The new touchpad firmware uses i2c-hid instead of custom reporting
protocol. The touchpad also exposed another slave address (0x1e) for
kernel to communicate with the touchpad EC.

BUG=none
BRANCH=none
TEST=none

Change-Id: I717e1e1b5b739bef34c697e4f7ab4cb1b7593862
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 267e4a5824
Original-Change-Id: Iecaf14f7b8aed836120569e9ade9c3115bc00264
Original-Signed-off-by: Wei-Ning Huang <wnhuang@google.com>
Original-Reviewed-on: https://review.coreboot.org/19461
Original-Tested-by: build bot (Jenkins)
Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/490077
Commit-Ready: Furquan Shaikh <furquan@chromium.org>
This commit is contained in:
Wei-Ning Huang 2017-04-24 18:53:22 +08:00 • committed by chrome-bot
parent 50023d3965
commit 952d9af2ed
1 changed files with 10 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
src/mainboard/google/eve/devicetree.cb
View file

@ -241,12 +241,18 @@ chip soc/intel/skylake
end
end # I2C #1
device pci 15.2 on
chip drivers/i2c/generic
register "hid" = ""GOOG5400""
register "desc" = ""Touchpad""
register "irq" = "ACPI_IRQ_LEVEL_LOW(GPP_B3_IRQ)"
chip drivers/i2c/hid
register "generic.hid" = ""ACPI0C50""
register "generic.desc" = ""Touchpad""
register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_B3_IRQ)"
register "hid_desc_reg_offset" = "0x1"
device i2c 49 on end
end
chip drivers/i2c/generic
register "hid" = ""GOOG0008""
register "desc" = ""Touchpad EC Interface""
device i2c 1e on end
end
end # I2C #2
device pci 15.3 off end # I2C #3
device pci 16.0 on end # Management Engine Interface 1