diff options
| author | Kenneth Chan <kenneth.chan@quanta.corp-partner.google.com> | 2021-12-08 18:56:50 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2021-12-13 14:03:04 +0000 |
| commit | 38afe9e31c72279a58e337f48b828e4165c601f3 (patch) | |
| tree | 77a7bbb8901dc2b0fa21b590bc6c5b93d012d6c2 /src/mainboard | |
| parent | d76d2e275fb5d36ddd2357d63f8992f586a2d039 (diff) | |
mb/google/guybrush/var/dewatt: Add Elan touchscreen
Add Elan 6918 touchscreen for dewatt. (EKTH6918 Product Spec V0.5)
BUG=b:208373433
TEST=emerge-guybrush coreboot chromeos-bootimage. Teseted with Elan 6918 touchscreen.
Signed-off-by: Kenneth Chan <kenneth.chan@quanta.corp-partner.google.com>
Change-Id: I28a7f5891e09ffa393c93881be68641d955efdf8
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59975
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Rob Barnes <robbarnes@google.com>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/guybrush/variants/dewatt/overridetree.cb | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/mainboard/google/guybrush/variants/dewatt/overridetree.cb b/src/mainboard/google/guybrush/variants/dewatt/overridetree.cb index bbcb79c40c..a1614c9e03 100644 --- a/src/mainboard/google/guybrush/variants/dewatt/overridetree.cb +++ b/src/mainboard/google/guybrush/variants/dewatt/overridetree.cb @@ -63,4 +63,23 @@ chip soc/amd/cezanne device i2c 2c on end end end # I2C0 + device ref i2c_1 on + chip drivers/i2c/hid + register "generic.hid" = ""ELAN6918"" + register "generic.desc" = ""ELAN Touchscreen"" + register "generic.irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPIO_89)" + register "generic.probed" = "1" + register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPIO_121)" + register "generic.reset_delay_ms" = "20" + register "generic.reset_off_delay_ms" = "2" + register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPIO_120)" + register "generic.stop_off_delay_ms" = "2" + register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_68)" + register "generic.enable_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 + end # I2C1 end # chip soc/amd/cezanne |