From 3f19e1d97ff1a8410cf1973989cbb6573610388a Mon Sep 17 00:00:00 2001 From: Eric Lai Date: Tue, 10 Sep 2019 11:32:03 +0800 Subject: mb/google/drallion: enable Elan and Melfas touch panel Drallion uses the same touch panel as Sarien. Copy the deivce from Sarien. BUG=b:140415892,b:138082886 BRANCH=N/A TEST=N/A Signed-off-by: Eric Lai Change-Id: I8e6d2dcf4bd2ed2325137a05811af03692d40342 Reviewed-on: https://review.coreboot.org/c/coreboot/+/35305 Reviewed-by: Furquan Shaikh Tested-by: build bot (Jenkins) --- .../drallion/variants/drallion/devicetree.cb | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/src/mainboard/google/drallion/variants/drallion/devicetree.cb b/src/mainboard/google/drallion/variants/drallion/devicetree.cb index e96f9d739d..d8ef7a9d2f 100644 --- a/src/mainboard/google/drallion/variants/drallion/devicetree.cb +++ b/src/mainboard/google/drallion/variants/drallion/devicetree.cb @@ -332,6 +332,37 @@ chip soc/intel/cannonlake register "hid_desc_reg_offset" = "0x1" device i2c 0A on end end + chip drivers/i2c/hid + register "generic.hid" = ""ELAN900C"" + register "generic.desc" = ""ELAN Touchscreen"" + register "generic.irq" = "ACPI_IRQ_EDGE_LOW(GPP_C23_IRQ)" + register "generic.probed" = "1" + register "generic.reset_gpio" = + "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_E7)" + register "generic.reset_delay_ms" = "10" + register "generic.enable_gpio" = + "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_B21)" + register "generic.enable_delay_ms" = "55" + register "generic.has_power_resource" = "1" + register "hid_desc_reg_offset" = "0x01" + register "generic.device_present_gpio" = "GPP_B4" + register "generic.device_present_gpio_invert" = "1" + device i2c 10 on end + end + chip drivers/i2c/generic + register "hid" = ""MLFS0000"" + register "desc" = ""Melfas Touchscreen"" + register "irq" = "ACPI_IRQ_EDGE_LOW(GPP_C23_IRQ)" + register "probed" = "1" + register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_E7)" + register "reset_delay_ms" = "10" + register "enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_B21)" + register "enable_delay_ms" = "55" + register "has_power_resource" = "1" + register "device_present_gpio" = "GPP_B4" + register "device_present_gpio_invert" = "1" + device i2c 34 on end + end end # I2C #0 device pci 15.1 on chip drivers/i2c/generic -- cgit v1.2.3