47 lines · yaml
1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause2%YAML 1.23---4$id: http://devicetree.org/schemas/pwm/clk-pwm.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: Clock based PWM controller8 9maintainers:10 - Nikita Travkin <nikita@trvn.ru>11 12description: |13 Some systems have clocks that can be exposed to external devices.14 (e.g. by muxing them to GPIO pins)15 It's often possible to control duty-cycle of such clocks which makes them16 suitable for generating PWM signal.17 18allOf:19 - $ref: pwm.yaml#20 21properties:22 compatible:23 const: clk-pwm24 25 clocks:26 description: Clock used to generate the signal.27 maxItems: 128 29 "#pwm-cells":30 const: 231 32unevaluatedProperties: false33 34required:35 - compatible36 - clocks37 38examples:39 - |40 pwm {41 compatible = "clk-pwm";42 #pwm-cells = <2>;43 clocks = <&gcc 0>;44 pinctrl-names = "default";45 pinctrl-0 = <&pwm_clk_flash_default>;46 };47