From 2bb7896c366258c46e8125aad63ffe09c87ad5ec Mon Sep 17 00:00:00 2001 From: Dtrain Hsu Date: Tue, 23 Mar 2021 15:02:39 +0800 Subject: [PATCH] mb/google/dedede/var/cret: Enable touchscreen Add ELAN and Weida touchscreen into devicetree for cret. BUG=b:180547621 BRANCH=dedede TEST=Build the cret board. Signed-off-by: Dtrain Hsu Change-Id: Icdb7aabe4a9ecd7b5a057c4644799aa537adb6ba Reviewed-on: https://review.coreboot.org/c/coreboot/+/51737 Tested-by: build bot (Jenkins) Reviewed-by: Karthik Ramasubramanian --- .../dedede/variants/cret/overridetree.cb | 38 ++++++++++++++++++- 1 file changed, 37 insertions(+), 1 deletion(-) diff --git a/src/mainboard/google/dedede/variants/cret/overridetree.cb b/src/mainboard/google/dedede/variants/cret/overridetree.cb index 96b8a28c89..522c488fb5 100644 --- a/src/mainboard/google/dedede/variants/cret/overridetree.cb +++ b/src/mainboard/google/dedede/variants/cret/overridetree.cb @@ -100,7 +100,43 @@ chip soc/intel/jasperlake end end #I2C 0 device pci 15.1 off end # I2C 1 - device pci 15.2 on end # I2C 2 + device pci 15.2 on + chip drivers/i2c/hid + register "generic.hid" = ""WDHT0002"" + register "generic.desc" = ""WDT Touchscreen"" + register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_D4_IRQ)" + register "generic.probed" = "1" + register "generic.reset_gpio" = + "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D5)" + register "generic.reset_delay_ms" = "20" + register "generic.stop_gpio" = + "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_A11)" + register "generic.stop_delay_ms" = "130" + register "generic.enable_gpio" = + "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D6)" + register "generic.enable_delay_ms" = "1" + register "generic.has_power_resource" = "1" + register "generic.disable_gpio_export_in_crs" = "1" + register "hid_desc_reg_offset" = "0x20" + device i2c 2c on end + end + chip drivers/i2c/generic + register "hid" = ""ELAN0001"" + register "desc" = ""ELAN Touchscreen"" + register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_D4_IRQ)" + register "probed" = "1" + register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D5)" + register "reset_delay_ms" = "20" + register "reset_off_delay_ms" = "2" + register "stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_A11)" + register "stop_delay_ms" = "280" + register "stop_off_delay_ms" = "2" + register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_D6)" + register "enable_delay_ms" = "1" + register "has_power_resource" = "1" + device i2c 10 on end + end + end # I2C 2 device pci 15.3 off end # I2C 3 device pci 1c.7 on end device pci 19.0 on end