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microchip,xec-kbd

Vendor: Microchip Technology Inc.

Description

Microchip XEC keyboard matrix controller

Properties

Properties not inherited from the base binding file.

Name

Type

Details

girqs

array

Array of pairs of GIRQ number and bit position

This property is required.

pcrs

array

ADC PCR register index and bit position

This property is required.

row-size

int

The number of rows in the keyboard matrix.

This property is required.

col-size

int

The number of column in the keyboard matrix.

This property is required.

poll-period-ms

int

Defines the poll period in msecs between between matrix scans, set to 0
to never exit poll mode. Defaults to 5ms if unspecified.

Default value: 5

poll-timeout-ms

int

How long to wait before going from polling back to idle state. Defaults
to 100ms if unspecified.

Default value: 100

debounce-down-ms

int

Debouncing time for a key press event. Defaults to 10ms if unspecified.

Default value: 10

debounce-up-ms

int

Debouncing time for a key release event. Defaults to 20ms if unspecified.

Default value: 20

settle-time-us

int

Delay between setting column output and reading the row values. Defaults
to 50us if unspecified.

Default value: 50

actual-key-mask

array

Keyboard scanning mask. For each keyboard column, specify which keyboard rows actually exist. Can be used to avoid triggering the ghost detection on non existing keys. No masking by default, any combination is valid.

no-ghostkey-check

boolean

Ignore the ghost key checking in the driver if the diodes are used
in the matrix hardware.

pinctrl-0

phandles

Pin configuration/s for the first state. Content is specific to the
selected pin controller driver implementation.

pinctrl-1

phandles

Pin configuration/s for the second state. See pinctrl-0.

pinctrl-2

phandles

Pin configuration/s for the third state. See pinctrl-0.

pinctrl-3

phandles

Pin configuration/s for the fourth state. See pinctrl-0.

pinctrl-4

phandles

Pin configuration/s for the fifth state. See pinctrl-0.

pinctrl-names

string-array

Names for the provided states. The number of names needs to match the
number of states.