bindings/pwm/pwm-sifive.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/pwm/pwm-sifive.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11   - Yash Shah <yash.shah@sifive.com>
12   - Sagar Kadam <sagar.kadam@sifive.com>
13   - Paul Walmsley <paul.walmsley@sifive.com>
21   numbers can be found here -
23   https://github.com/sifive/sifive-blocks/tree/master/src/main/scala/devices/pwm
28       - const: sifive,fu540-c000-pwm
29       - const: sifive,pwm0
31       Should be "sifive,<chip>-pwm" and "sifive,pwm<version>". Supported
32       compatible strings are "sifive,fu540-c000-pwm" for the SiFive PWM v0
33       as integrated onto the SiFive FU540 chip, and "sifive,pwm0" for the
35       Please refer to sifive-blocks-ip-versioning.txt for details.
43   "#pwm-cells":
49       Each PWM instance in FU540-C000 has 4 comparators. One interrupt per comparator.
52   - compatible
53   - reg
54   - clocks
55   - "#pwm-cells"
56   - interrupts
61   - |
63       compatible = "sifive,fu540-c000-pwm", "sifive,pwm0";
66       interrupt-parent = <&plic>;
68       #pwm-cells = <3>;