diff options
| author | Eric Lai <eric_lai@quanta.corp-partner.google.com> | 2023-05-26 12:06:36 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2023-06-01 16:53:51 +0000 |
| commit | 51bb3afe9c5f04114c94dcf0bd45ee8a21bf8312 (patch) | |
| tree | ecf27ff8c10c20d5244ae048d74f2fb54caeb7cf /src/mainboard/google/myst/variants | |
| parent | 77ea6ade136a882adcde247aac94e682a8964d1a (diff) | |
mb/google/myst: Add ELAN touch screen
Follow the eKTH7B18U_Product_Spec_V1.1 to add the device.
BUG=b:284381267
TEST=Check touch screen can detect in coreboot.
[INFO ] \_SB.I2C1.H010: ELAN Touchscreen at I2C: 02:10
Signed-off-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Change-Id: I4bd521410953892a477020a872de0d882001b178
Reviewed-on: https://review.coreboot.org/c/coreboot/+/75480
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Van Patten <timvp@google.com>
Reviewed-by: Jon Murphy <jpmurphy@google.com>
Diffstat (limited to 'src/mainboard/google/myst/variants')
| -rw-r--r-- | src/mainboard/google/myst/variants/myst/overridetree.cb | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/mainboard/google/myst/variants/myst/overridetree.cb b/src/mainboard/google/myst/variants/myst/overridetree.cb index 6e36e432d1..d701dea49c 100644 --- a/src/mainboard/google/myst/variants/myst/overridetree.cb +++ b/src/mainboard/google/myst/variants/myst/overridetree.cb @@ -44,6 +44,27 @@ chip soc/amd/phoenix device i2c 15 on end end end # I2C0 + device ref i2c_1 on + chip drivers/i2c/hid + register "generic.hid" = ""ELAN90FC"" + register "generic.desc" = ""ELAN Touchscreen"" + register "generic.irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPIO_91)" + register "generic.detect" = "1" + register "generic.reset_gpio" = + "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPIO_157)" + register "generic.reset_delay_ms" = "20" + register "generic.reset_off_delay_ms" = "1" + register "generic.enable_gpio" = + "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_144)" + register "generic.enable_delay_ms" = "6" + register "generic.stop_gpio" = + "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPIO_74)" + register "generic.stop_off_delay_ms" = "1" + register "generic.has_power_resource" = "1" + register "hid_desc_reg_offset" = "0x01" + device i2c 0x10 on end + end + end # I2C1 device ref i2c_3 on chip drivers/i2c/generic register "hid" = ""RTL5682"" |