mb/google/nissa/var/riven: Add elan touchscreen support

This change adds the necessary configuration for the elan
touchscreen (ELAN9004) device, connected to I2C bus 16.

It includes settings for:
* HID descriptor
* Device description
* IRQ configuration
* Detection
* Reset, stop and enable GPIOs with their respective delays
* Power resource handling
* HID descriptor register offset

BUG=b:348125053 b:348126380
TEST=emerge-nissa coreboot
     boot with elan TS, make sure elan TS is functional.

Change-Id: I64c5a11dfaacfcca34240375d4dca5c76a60f62e
Signed-off-by: David Wu <david_wu@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83876
Reviewed-by: Eric Lai <ericllai@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>

0 files changed, 0 insertions, 0 deletions