Dtrain Hsu has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/40251 )
Change subject: mb/google/dedede: Enable ELAN touch screen for Waddledoo ......................................................................
mb/google/dedede: Enable ELAN touch screen for Waddledoo
Add ELAN EKTH6918 USI touchsreen support.
BUG=b:152936745 TEST="emerge-dedede coreboot chromeos-bootimage", build successful.
Signed-off-by: Dtrain Hsu dtrain_hsu@compal.corp-partner.google.com Change-Id: I030c7d7e76a9705be06fe907c4ac279e247cb163 --- M src/mainboard/google/dedede/variants/waddledoo/overridetree.cb 1 file changed, 19 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/51/40251/1
diff --git a/src/mainboard/google/dedede/variants/waddledoo/overridetree.cb b/src/mainboard/google/dedede/variants/waddledoo/overridetree.cb index 3f138e4..ae4f580 100644 --- a/src/mainboard/google/dedede/variants/waddledoo/overridetree.cb +++ b/src/mainboard/google/dedede/variants/waddledoo/overridetree.cb @@ -75,6 +75,25 @@ register "hid_desc_reg_offset" = "0x00" device i2c 5c on end end + chip drivers/i2c/hid + register "generic.hid" = ""ELAN9050"" + register "generic.desc" = ""ELAN Touchscreen"" + register "generic.irq" = "ACPI_IRQ_EDGE_LOW(GPP_D4_IRQ)" + register "generic.probed" = "1" + register "generic.reset_gpio" = + "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_D5)" + register "generic.reset_delay_ms" = "20" + register "generic.reset_off_delay_ms" = "2" + register "generic.stop_gpio" = + "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_A11)" + register "generic.stop_delay_ms" = "280" + register "generic.enable_gpio" = + "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D6)" + register "generic.enable_delay_ms" = "10" + register "generic.has_power_resource" = "1" + register "hid_desc_reg_offset" = "0x01" + device i2c 15 on end + end end # I2C 2 device pci 1c.7 on chip drivers/intel/wifi