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motorola,mc146818

Vendor: Motorola, Inc.

Description

Motorola MC146818 compatible Real Timer Clock

Properties

Properties not inherited from the base binding file.

Name

Type

Details

clock-frequency

int

Frequency of the input-clock in Hertz (Hz)

Default value: 32768

Legal values: 4194304, 1048576, 32768

alarms-count

int

Number of alarms supported by RTC device. The number of
alarms defaults to 0, which indicates that the RTC has
no alarms.

acpi-hid

string

Used to supply OSPM with the device’s PNP ID or ACPI ID. A node is consder as acpi based or not based on whether this property is present or not.

acpi-uid

string

Provides OSPM with a logical device ID that does not change
across reboots. This object is optional, but is required when the device
has no other way to report a persistent unique device ID. The _UID must be
unique across all devices with either a common _HID or _CID.

acpi-comp-id

string-array

Used to supply OSPM with a device’s Plug and Play-Compatible Device ID