mb/google/eve: switch touchpad devicetree to i2c-hid and cros_ec i2c device
The new touchpad firmware uses i2c-hid instead of custom reporting protocol. The touchpad also exposed another slave address (0x1e) for kernel to communicate with the touchpad EC. Change-Id: Iecaf14f7b8aed836120569e9ade9c3115bc00264 Signed-off-by: Wei-Ning Huang <wnhuang@google.com> Reviewed-on: https://review.coreboot.org/19461 Tested-by: build bot (Jenkins) Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
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@ -241,12 +241,18 @@ chip soc/intel/skylake
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end
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end # I2C #1
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device pci 15.2 on
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chip drivers/i2c/generic
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register "hid" = ""GOOG5400""
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register "desc" = ""Touchpad""
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register "irq" = "ACPI_IRQ_LEVEL_LOW(GPP_B3_IRQ)"
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chip drivers/i2c/hid
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register "generic.hid" = ""ACPI0C50""
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register "generic.desc" = ""Touchpad""
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register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_B3_IRQ)"
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register "hid_desc_reg_offset" = "0x1"
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device i2c 49 on end
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end
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chip drivers/i2c/generic
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register "hid" = ""GOOG0008""
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register "desc" = ""Touchpad EC Interface""
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device i2c 1e on end
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end
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end # I2C #2
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device pci 15.3 off end # I2C #3
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device pci 16.0 on end # Management Engine Interface 1
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