From aeb50d20c79776e79fbbc6240d811d40b5dc5b69 Mon Sep 17 00:00:00 2001 From: Ivy Jian Date: Mon, 30 Apr 2018 11:38:00 +0800 Subject: mb/google/poppy/variants/nami: Enable synaptics touchscreen support BUG=b:74595040 BRANCH=master TEST= 1. emerge-nami coreboot chromeos-bootimage 2. Booted on Pantheon with S7817 PCBa connected 3. Check touchscreen device is enabled by evtest /dev/input/event4: SYTS7817:00 06CB:7817 Change-Id: Ic11684d5ed961af5eb704909f7d06eb0898068c2 Signed-off-by: Ivy Jian Reviewed-on: https://review.coreboot.org/25915 Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh --- src/mainboard/google/poppy/variants/nami/devicetree.cb | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'src/mainboard') diff --git a/src/mainboard/google/poppy/variants/nami/devicetree.cb b/src/mainboard/google/poppy/variants/nami/devicetree.cb index 1cc2a5e3bc..f23a7fbbac 100644 --- a/src/mainboard/google/poppy/variants/nami/devicetree.cb +++ b/src/mainboard/google/poppy/variants/nami/devicetree.cb @@ -266,6 +266,18 @@ chip soc/intel/skylake register "stop_off_delay_ms" = "2" device i2c 10 on end end + chip drivers/i2c/hid + register "generic.hid" = ""SYTS7817"" + register "generic.desc" = ""Synaptics Touchscreen"" + register "generic.irq" = "ACPI_IRQ_EDGE_LOW(GPP_E7_IRQ)" + register "generic.probed" = "1" + register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_B4)" + register "generic.enable_delay_ms" = "45" + register "generic.has_power_resource" = "1" + register "generic.disable_gpio_export_in_crs" = "1" + register "hid_desc_reg_offset" = "0x20" + device i2c 20 on end + end end # I2C #0 device pci 15.1 on chip drivers/i2c/generic -- cgit v1.2.3