blob: b8ac90eacc55304164cb31c2490260cfd7aaf262 [file] [log] [blame]
# Copyright (c) 2022, Joep Buruma
# SPDX-License-Identifier: Apache-2.0
description: Raspberry Pi Pico PWM
compatible: "raspberrypi,pico-pwm"
include: [pwm-controller.yaml, pinctrl-device.yaml, reset-device.yaml, base.yaml]
properties:
reg:
required: true
interrupts:
required: true
divider-int-0:
type: int
default: 1
description: |
The integral part of the divider for pwm slice 0.
This number should be in the range 1 - 255. Defaults
to 1, the same as the RESET value.
divider-frac-0:
type: int
default: 0
description: |
The fractional part of the divider for pwm slice 0.
This number should be in the range 0 - 15. Defaults
to 0, the same as the RESET value.
divider-int-1:
type: int
default: 1
description: See divider-int-0 for help
divider-frac-1:
type: int
default: 0
description: See divider-frac-0 for help
divider-int-2:
type: int
default: 1
description: See divider-int-0 for help
divider-frac-2:
type: int
default: 0
description: See divider-frac-0 for help
divider-int-3:
type: int
default: 1
description: See divider-int-0 for help
divider-frac-3:
type: int
default: 0
description: See divider-frac-0 for help
divider-int-4:
type: int
default: 1
description: See divider-int-0 for help
divider-frac-4:
type: int
default: 0
description: See divider-frac-0 for help
divider-int-5:
type: int
default: 1
description: See divider-int-0 for help
divider-frac-5:
type: int
default: 0
description: See divider-frac-0 for help
divider-int-6:
type: int
default: 1
description: See divider-int-0 for help
divider-frac-6:
type: int
default: 0
description: See divider-frac-0 for help
divider-int-7:
type: int
default: 1
description: See divider-int-0 for help
divider-frac-7:
type: int
default: 0
description: See divider-frac-0 for help
"#pwm-cells":
const: 3
pwm-cells:
# The rpi pico pwm peripheral is divided in 8 slices with an individual
# clock setting and two output channels. The pwm channels are mapped the
# following way PWM_CH0_A is addressed as <&pwm 0 PWM_FLAGS>, PWM_CH0B
# is <&pwm 1 PMW_FLAGS>, PWM_CH1_A si <&pwm 2 PWM_FLAGS> and so on.
- channel
- period
- flags