Patrick Georgi has submitted this change. ( https://review.coreboot.org/c/coreboot/+/40251 )
Change subject: mb/google/dedede: Enable ELAN touchscreen for Waddledoo ......................................................................
mb/google/dedede: Enable ELAN touchscreen for Waddledoo
Add ELAN EKTH6918 USI touchscreen 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 Reviewed-on: https://review.coreboot.org/c/coreboot/+/40251 Tested-by: build bot (Jenkins) no-reply@coreboot.org Reviewed-by: Marco Chen marcochen@google.com Reviewed-by: Karthik Ramasubramanian kramasub@google.com Reviewed-by: EricR Lai ericr_lai@compal.corp-partner.google.com --- M src/mainboard/google/dedede/variants/waddledoo/overridetree.cb 1 file changed, 20 insertions(+), 0 deletions(-)
Approvals: build bot (Jenkins): Verified Marco Chen: Looks good to me, approved Karthik Ramasubramanian: Looks good to me, approved EricR Lai: Looks good to me, approved
diff --git a/src/mainboard/google/dedede/variants/waddledoo/overridetree.cb b/src/mainboard/google/dedede/variants/waddledoo/overridetree.cb index cc9e651..920c179 100644 --- a/src/mainboard/google/dedede/variants/waddledoo/overridetree.cb +++ b/src/mainboard/google/dedede/variants/waddledoo/overridetree.cb @@ -73,6 +73,26 @@ 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.stop_off_delay_ms" = "2" + register "generic.enable_gpio" = + "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D6)" + register "generic.enable_delay_ms" = "1" + 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