From 535d6d8cf116ac20fd11d5e26858d1a76c4b5e54 Mon Sep 17 00:00:00 2001 From: Zanxi Chen Date: Tue, 2 Mar 2021 23:36:31 +0800 Subject: [PATCH] mb/google/dedede/var/blipper: Enable touchpad support Add touchpad into devicetree for blipper. BUG=b:172787208 BRANCH=dedede TEST=built blipper firmware and verified touchpad function the kernel log: found RMI device, manufacturer: Synaptics Change-Id: I2c9b61ba9d282f994e2f756bafe4af1091d4d617 Signed-off-by: Zanxi Chen Reviewed-on: https://review.coreboot.org/c/coreboot/+/51188 Reviewed-by: Karthik Ramasubramanian Reviewed-by: Paul Menzel Tested-by: build bot (Jenkins) --- .../dedede/variants/blipper/overridetree.cb | 20 ++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-) diff --git a/src/mainboard/google/dedede/variants/blipper/overridetree.cb b/src/mainboard/google/dedede/variants/blipper/overridetree.cb index 404024b1d6..82f15c6bc3 100644 --- a/src/mainboard/google/dedede/variants/blipper/overridetree.cb +++ b/src/mainboard/google/dedede/variants/blipper/overridetree.cb @@ -37,6 +37,24 @@ chip soc/intel/jasperlake }" device domain 0 on - device pci 15.0 on end + device pci 15.0 on + chip drivers/i2c/generic + register "hid" = ""ELAN0000"" + register "desc" = ""ELAN Touchpad"" + register "irq" = "ACPI_IRQ_WAKE_EDGE_LOW(GPP_B3_IRQ)" + register "wake" = "GPE0_DW0_03" + 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_B3_IRQ)" + register "generic.wake" = "GPE0_DW0_03" + register "generic.probed" = "1" + register "hid_desc_reg_offset" = "0x20" + device i2c 0x2c on end + end + end # I2C 0 end end