diff options
| author | Rui Zhou <zhourui@huaqin.corp-partner.google.com> | 2024-11-06 14:44:49 +0800 |
|---|---|---|
| committer | Subrata Banik <subratabanik@google.com> | 2024-11-11 08:30:17 +0000 |
| commit | 5b0dc2b6a015288fa22803a5e2dc99c3dbc21c5c (patch) | |
| tree | 0ffb1ea32f95f7e0066b69f6a8935f0e0487a9a8 /src/mainboard/google/brya | |
| parent | e1bfeeab411f017068ee2fcc9b4ffecadfd0d19b (diff) | |
mb/google/nissa/var/rull: Add ELAN touchscreen to devicetree
Add Elan touchscreen override devicetree for rull based on the latest
schematic NB7559_MB_SCH_V1_2024_1010.pdf.
BUG=b:374629673
BRANCH=None
TEST=1. emerge-nissa coreboot chromeos-bootimage
2. touchpanel function is normal and 'evtest' command displays the
touch point
Change-Id: Ie7f6dce0175c2940abfa14c4e407414912063112
Signed-off-by: Rui Zhou <zhourui@huaqin.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/85015
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <ericllai@google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Diffstat (limited to 'src/mainboard/google/brya')
| -rw-r--r-- | src/mainboard/google/brya/variants/rull/overridetree.cb | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/src/mainboard/google/brya/variants/rull/overridetree.cb b/src/mainboard/google/brya/variants/rull/overridetree.cb index b59a0deaf2..d51fe0b659 100644 --- a/src/mainboard/google/brya/variants/rull/overridetree.cb +++ b/src/mainboard/google/brya/variants/rull/overridetree.cb @@ -219,7 +219,25 @@ chip soc/intel/alderlake device generic 0 on end end end - device ref i2c1 off end # Touchscreen + device ref i2c1 on + chip drivers/i2c/hid + register "generic.hid" = ""ELAN9004"" + register "generic.desc" = ""ELAN Touchscreen"" + register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C7_IRQ)" + register "generic.detect" = "1" + register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C1)" + register "generic.reset_delay_ms" = "20" + register "generic.reset_off_delay_ms" = "2" + register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C6)" + register "generic.stop_delay_ms" = "150" + register "generic.stop_off_delay_ms" = "2" + register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)" + register "generic.enable_delay_ms" = "1" + register "generic.has_power_resource" = "1" + register "hid_desc_reg_offset" = "0x01" + device i2c 10 on end + end + end device ref i2c3 on chip drivers/i2c/rt5645 register "hid" = ""10EC5650"" |