From afc593d99cb156b982b24262503a56568b7de614 Mon Sep 17 00:00:00 2001 From: Dtrain Hsu Date: Tue, 7 Apr 2020 10:45:57 +0800 Subject: 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 Change-Id: I030c7d7e76a9705be06fe907c4ac279e247cb163 Reviewed-on: https://review.coreboot.org/c/coreboot/+/40251 Tested-by: build bot (Jenkins) Reviewed-by: Marco Chen Reviewed-by: Karthik Ramasubramanian Reviewed-by: EricR Lai --- .../google/dedede/variants/waddledoo/overridetree.cb | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'src/mainboard/google') diff --git a/src/mainboard/google/dedede/variants/waddledoo/overridetree.cb b/src/mainboard/google/dedede/variants/waddledoo/overridetree.cb index cc9e651252..920c1792fa 100644 --- a/src/mainboard/google/dedede/variants/waddledoo/overridetree.cb +++ b/src/mainboard/google/dedede/variants/waddledoo/overridetree.cb @@ -73,6 +73,26 @@ chip soc/intel/jasperlake 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 -- cgit v1.2.3