zephyr/dts/bindings/clock/litex,clkout.yaml

68 lines
1.3 KiB
YAML

# Copyright (c) 2020 Antmicro <www.antmicro.com>
# SPDX-License-Identifier: Apache-2.0
include: base.yaml
description: |
LiteX Mixed Mode Clock Manager clock output binding
compatible: "litex,clkout"
properties:
"#clock-cells":
required: true
type: int
description: |
Number of cells in a clock specifier;
Typically 0 for nodes with a single clock output
and 1 for nodes with multiple clock outputs.
const: 1
clock-output-names:
required: true
type: string
description: |
string of clock output signal name.
litex,clock-frequency:
required: true
type: int
description: |
default frequency in Hz for clock output
litex,clock-phase:
required: true
type: int
description: |
default phase offset given in degrees
litex,clock-duty-num:
required: true
type: int
description: |
default duty cycle numerator value
litex,clock-duty-den:
required: true
type: int
description: |
default duty cycle denominator value
litex,clock-margin:
required: true
type: int
description: |
clock output margin coefficient
litex,clock-margin-exp:
required: true
type: int
description: |
exponent for clkout margin
effective clkout margin shall be
margin * 10^(-exponent) * 100%
clock-cells:
- id