Chen Wisley has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/36125 )
Change subject: mb/google/hatch/var/dratini: Add ElAN touchscreen support ......................................................................
mb/google/hatch/var/dratini: Add ElAN touchscreen support
Add ELAN EKTH6915 USI touchsreen support.
BUG=b:139392144 TEST=check touchscreen work, and confirmed power sequence with vendor.
Change-Id: I8ebc067bbb407498de00ea0b6c23b0848023cffe Signed-off-by: Wisley Chen wisley.chen@quantatw.com --- M src/mainboard/google/hatch/variants/dratini/overridetree.cb 1 file changed, 16 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/25/36125/1
diff --git a/src/mainboard/google/hatch/variants/dratini/overridetree.cb b/src/mainboard/google/hatch/variants/dratini/overridetree.cb index 8fc33ef..28b18b8 100644 --- a/src/mainboard/google/hatch/variants/dratini/overridetree.cb +++ b/src/mainboard/google/hatch/variants/dratini/overridetree.cb @@ -109,6 +109,22 @@ register "hid_desc_reg_offset" = "0x01" device i2c 5d on end end + chip drivers/i2c/hid + register "generic.hid" = ""ELAN2513"" + register "generic.desc" = ""ELAN Touchscreen"" + register "generic.irq" = "ACPI_IRQ_EDGE_LOW(GPP_D16_IRQ)" + register "generic.probed" = "1" + register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_D15)" + register "generic.reset_delay_ms" = "20" + register "generic.reset_off_delay_ms" = "2" + register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D9)" + register "generic.enable_delay_ms" = "10" + register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C4)" + register "generic.stop_delay_ms" = "130" + register "generic.has_power_resource" = "1" + register "hid_desc_reg_offset" = "0x01" + device i2c 15 on end + end end # I2C #1 device pci 15.2 off end # I2C #2 device pci 15.3 off end # I2C #3