Werner Zeh has submitted this change. ( https://review.coreboot.org/c/coreboot/+/54868 )
Change subject: mb/google/dedede/var/cret: Add new Elan touchscreen ......................................................................
mb/google/dedede/var/cret: Add new Elan touchscreen
Add Elan eKTH7D18 touchscreen into devicetree for cret.
BUG=b:180547935, b:187484857 BRANCH=dedede TEST=Built cret firmware and verified touchscreen function.
Signed-off-by: Dtrain Hsu dtrain_hsu@compal.corp-partner.google.com Change-Id: Iab87ddfc7b46420439efa3e7e55c88ad4c27155d Reviewed-on: https://review.coreboot.org/c/coreboot/+/54868 Tested-by: build bot (Jenkins) no-reply@coreboot.org Reviewed-by: Karthik Ramasubramanian kramasub@google.com Reviewed-by: EricR Lai ericr_lai@compal.corp-partner.google.com --- M src/mainboard/google/dedede/variants/cret/overridetree.cb 1 file changed, 18 insertions(+), 0 deletions(-)
Approvals: build bot (Jenkins): Verified Karthik Ramasubramanian: Looks good to me, approved EricR Lai: Looks good to me, approved
diff --git a/src/mainboard/google/dedede/variants/cret/overridetree.cb b/src/mainboard/google/dedede/variants/cret/overridetree.cb index 2586322..82002e4 100644 --- a/src/mainboard/google/dedede/variants/cret/overridetree.cb +++ b/src/mainboard/google/dedede/variants/cret/overridetree.cb @@ -147,6 +147,24 @@ register "has_power_resource" = "1" device i2c 10 on end end + chip drivers/i2c/hid + register "generic.hid" = ""ELAN900C"" + register "generic.desc" = ""ELAN Touchscreen"" + register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_D4_IRQ)" + register "generic.probed" = "1" + register "generic.reset_gpio" = + "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_D5)" + register "generic.reset_delay_ms" = "6" + register "generic.stop_gpio" = + "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_A11)" + register "generic.stop_delay_ms" = "300" + register "generic.enable_gpio" = + "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D6)" + register "generic.enable_delay_ms" = "6" + register "generic.has_power_resource" = "1" + register "hid_desc_reg_offset" = "0x01" + device i2c 16 on end + end end # I2C 2 device pci 15.3 off end # I2C 3 device pci 1c.7 on end