From 0c3845d2ee5e582937f65f488e15055fe49464b0 Mon Sep 17 00:00:00 2001 From: Stanley Wu Date: Thu, 5 Nov 2020 21:10:39 +0800 Subject: [PATCH] mb/google/volteer/variant/lindar: Update devicetree settings Update I2C address for Goodix touchscreen and add ELAN touchscreen & Synaptics trackpad device. Follow CB:47415 to correct HID over I2C device to be level triggerd. BUG=b:160013582 TEST=emerge-volteer coreboot and check system dmesg and evtest can get device. Change-Id: I070fb0e06b588f128253270502c9c2c427c62b84 Signed-off-by: Stanley Wu Reviewed-on: https://review.coreboot.org/c/coreboot/+/47390 Tested-by: build bot (Jenkins) Reviewed-by: Tim Wawrzynczak --- .../volteer/variants/lindar/overridetree.cb | 23 ++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) diff --git a/src/mainboard/google/volteer/variants/lindar/overridetree.cb b/src/mainboard/google/volteer/variants/lindar/overridetree.cb index a318ccaac9..64f5ab9910 100644 --- a/src/mainboard/google/volteer/variants/lindar/overridetree.cb +++ b/src/mainboard/google/volteer/variants/lindar/overridetree.cb @@ -58,7 +58,19 @@ chip soc/intel/tigerlake register "generic.stop_off_delay_ms" = "1" register "generic.has_power_resource" = "1" register "hid_desc_reg_offset" = "0x01" - device i2c 14 on end + device i2c 5d on end + end + chip drivers/i2c/generic + register "hid" = ""ELAN0001"" + register "desc" = ""ELAN Touchscreen"" + register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_E7_IRQ)" + register "probed" = "1" + register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C10)" + register "reset_delay_ms" = "20" + register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_A8)" + register "enable_delay_ms" = "1" + register "has_power_resource" = "1" + device i2c 10 on end end end device ref i2c5 on @@ -70,6 +82,15 @@ chip soc/intel/tigerlake register "probed" = "1" device i2c 15 on end end + chip drivers/i2c/hid + register "generic.hid" = ""PNP0C50"" + register "generic.desc" = ""Synaptics Touchpad"" + register "generic.irq" = "ACPI_IRQ_WAKE_LEVEL_LOW(GPP_E15_IRQ)" + register "generic.wake" = "GPE0_DW2_15" + register "generic.probed" = "1" + register "hid_desc_reg_offset" = "0x20" + device i2c 0x2c on end + end end device ref north_xhci on chip drivers/usb/acpi