From 360ff4311f772e949352a53067cab3c03117a008 Mon Sep 17 00:00:00 2001 From: Wisley Chen Date: Wed, 18 Jan 2017 18:00:11 +0800 Subject: [PATCH] UPSTREAM: google/snappy: Add weida touchscreen support Add weida touchscreen as 2nd touchscreen source BUG=chrome-os-partner:61865 BRANCH=reef TEST=emerge-snappy coreboot, and verified that touchscreen works on snappy. Change-Id: Id2c7aad2e5dd0470e8d93cdd44330fa21d30acc0 Signed-off-by: Patrick Georgi Original-Commit-Id: 26949e65af2860544983e87314c66e68d4e18142 Original-Change-Id: If76312a62e97da9d5de18ad895e90ee6b0f0c6ae Original-Signed-off-by: Wisley Chen Original-Reviewed-on: https://review.coreboot.org/18166 Original-Tested-by: build bot (Jenkins) Original-Reviewed-by: Aaron Durbin Original-Reviewed-by: Paul Menzel Reviewed-on: https://chromium-review.googlesource.com/430613 Commit-Ready: Aaron Durbin Tested-by: Aaron Durbin Reviewed-by: Aaron Durbin --- src/mainboard/google/reef/Kconfig | 3 +++ .../google/reef/variants/snappy/devicetree.cb | 10 ++++++++++ 2 files changed, 13 insertions(+) diff --git a/src/mainboard/google/reef/Kconfig b/src/mainboard/google/reef/Kconfig index 0766577a1f..1ef2e8858a 100644 --- a/src/mainboard/google/reef/Kconfig +++ b/src/mainboard/google/reef/Kconfig @@ -44,6 +44,9 @@ config DRIVERS_I2C_DA7219 config DRIVERS_I2C_GENERIC default y +config DRIVERS_I2C_HID + default y + config DRIVERS_I2C_WACOM default y diff --git a/src/mainboard/google/reef/variants/snappy/devicetree.cb b/src/mainboard/google/reef/variants/snappy/devicetree.cb index d249e53952..e498533db3 100644 --- a/src/mainboard/google/reef/variants/snappy/devicetree.cb +++ b/src/mainboard/google/reef/variants/snappy/devicetree.cb @@ -187,6 +187,16 @@ chip soc/intel/apollolake device i2c 10 on end end + chip drivers/i2c/hid + register "generic.hid" = ""WDHT0001"" + register "generic.desc" = ""WDT Touchscreen"" + register "generic.irq" = "IRQ_EDGE_LOW(GPIO_21_IRQ)" + register "generic.probed" = "1" + register "generic.pwr_mgmt_type" = "GPIO_EXPORT" + register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_36)" + register "hid_desc_reg_offset" = "0x20" + device i2c 2c on end + end end # - I2C 3 device pci 17.0 on chip drivers/i2c/generic