diff options
| author | Wealian Liao <whliao@nuvoton.corp-partner.google.com> | 2021-07-06 10:59:58 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-07-30 17:56:00 +0000 |
| commit | 5f8e59c305bd8f9497a7409a0d27e034896e4038 (patch) | |
| tree | 1c69569347dc40d55eebd9c7ab66a1e78e5346f4 /zephyr/projects/npcx_evb/npcx7/pwm.dts | |
| parent | 7bf38c623e11a98c24aa28ed9cb5c08516a7853b (diff) | |
| download | chrome-ec-5f8e59c305bd8f9497a7409a0d27e034896e4038.tar.gz | |
zephyr: npcx_evb: Enable PWM
This CL enables 2 PWM channels for npcx7/9_evb.
BRANCH=none
BUG=none
TEST='pwmduty' console command & check the output waveform is correct.
```
uart:~$ pwmduty
PWM channels:
0: 50%
1: 25%
```
Signed-off-by: Wealian Liao <whliao@nuvoton.corp-partner.google.com>
Change-Id: I6fa5d3b7fd3bf1f9d1fdb3f64ca3488ad3addacc
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3063104
Reviewed-by: Keith Short <keithshort@chromium.org>
Commit-Queue: Keith Short <keithshort@chromium.org>
Diffstat (limited to 'zephyr/projects/npcx_evb/npcx7/pwm.dts')
| -rw-r--r-- | zephyr/projects/npcx_evb/npcx7/pwm.dts | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/zephyr/projects/npcx_evb/npcx7/pwm.dts b/zephyr/projects/npcx_evb/npcx7/pwm.dts new file mode 100644 index 0000000000..3b7b88c235 --- /dev/null +++ b/zephyr/projects/npcx_evb/npcx7/pwm.dts @@ -0,0 +1,32 @@ +/* Copyright 2021 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +/ { + named-pwms { + compatible = "named-pwms"; + + fan { + pwms = <&pwm0 0 0>; + label = "FAN"; + frequency = <25000>; + }; + kblight { + pwms = <&pwm2 0 0>; + label = "KBLIGHT"; + frequency = <10000>; + }; + }; +}; + +/* fan */ +&pwm0 { + status = "okay"; + drive-open-drain; +}; + +/* kblight */ +&pwm2 { + status = "okay"; +}; |