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 | |
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')
-rw-r--r-- | zephyr/projects/npcx_evb/npcx7/include/pwm_map.h | 16 | ||||
-rw-r--r-- | zephyr/projects/npcx_evb/npcx7/prj.conf | 3 | ||||
-rw-r--r-- | zephyr/projects/npcx_evb/npcx7/pwm.dts | 32 | ||||
-rw-r--r-- | zephyr/projects/npcx_evb/npcx7/zmake.yaml | 1 | ||||
-rw-r--r-- | zephyr/projects/npcx_evb/npcx9/include/pwm_map.h | 16 | ||||
-rw-r--r-- | zephyr/projects/npcx_evb/npcx9/prj.conf | 3 | ||||
-rw-r--r-- | zephyr/projects/npcx_evb/npcx9/pwm.dts | 32 | ||||
-rw-r--r-- | zephyr/projects/npcx_evb/npcx9/zmake.yaml | 1 |
8 files changed, 104 insertions, 0 deletions
diff --git a/zephyr/projects/npcx_evb/npcx7/include/pwm_map.h b/zephyr/projects/npcx_evb/npcx7/include/pwm_map.h new file mode 100644 index 0000000000..371e95c116 --- /dev/null +++ b/zephyr/projects/npcx_evb/npcx7/include/pwm_map.h @@ -0,0 +1,16 @@ +/* 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. + */ + +#ifndef __ZEPHYR_PWM_MAP_H +#define __ZEPHYR_PWM_MAP_H + +#include <devicetree.h> + +#include "pwm/pwm.h" + +#define PWM_CH_FAN NAMED_PWM(fan) +#define PWM_CH_KBLIGHT NAMED_PWM(kblight) + +#endif /* __ZEPHYR_PWM_MAP_H */ diff --git a/zephyr/projects/npcx_evb/npcx7/prj.conf b/zephyr/projects/npcx_evb/npcx7/prj.conf index 16a01208e9..4b49332a6d 100644 --- a/zephyr/projects/npcx_evb/npcx7/prj.conf +++ b/zephyr/projects/npcx_evb/npcx7/prj.conf @@ -21,6 +21,9 @@ CONFIG_PLATFORM_EC_VSTORE=n # Board version is selected over GPIO board ID pins. CONFIG_PLATFORM_EC_BOARD_VERSION_GPIO=y +# PWM +CONFIG_PLATFORM_EC_PWM=y + # Zephyr feature CONFIG_ASSERT=y CONFIG_SHELL_MINIMAL=n 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"; +}; diff --git a/zephyr/projects/npcx_evb/npcx7/zmake.yaml b/zephyr/projects/npcx_evb/npcx7/zmake.yaml index 10cb8dffb7..710e0a7568 100644 --- a/zephyr/projects/npcx_evb/npcx7/zmake.yaml +++ b/zephyr/projects/npcx_evb/npcx7/zmake.yaml @@ -5,6 +5,7 @@ board: npcx7_evb dts-overlays: - gpio.dts + - pwm.dts supported-zephyr-versions: - v2.6 toolchain: coreboot-sdk diff --git a/zephyr/projects/npcx_evb/npcx9/include/pwm_map.h b/zephyr/projects/npcx_evb/npcx9/include/pwm_map.h new file mode 100644 index 0000000000..371e95c116 --- /dev/null +++ b/zephyr/projects/npcx_evb/npcx9/include/pwm_map.h @@ -0,0 +1,16 @@ +/* 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. + */ + +#ifndef __ZEPHYR_PWM_MAP_H +#define __ZEPHYR_PWM_MAP_H + +#include <devicetree.h> + +#include "pwm/pwm.h" + +#define PWM_CH_FAN NAMED_PWM(fan) +#define PWM_CH_KBLIGHT NAMED_PWM(kblight) + +#endif /* __ZEPHYR_PWM_MAP_H */ diff --git a/zephyr/projects/npcx_evb/npcx9/prj.conf b/zephyr/projects/npcx_evb/npcx9/prj.conf index 98474940ba..e124930bfc 100644 --- a/zephyr/projects/npcx_evb/npcx9/prj.conf +++ b/zephyr/projects/npcx_evb/npcx9/prj.conf @@ -25,6 +25,9 @@ CONFIG_PLATFORM_EC_WORKAROUND_FLASH_DOWNLOAD_API=y # Board version is selected over GPIO board ID pins. CONFIG_PLATFORM_EC_BOARD_VERSION_GPIO=y +# PWM +CONFIG_PLATFORM_EC_PWM=y + # Zephyr feature CONFIG_ASSERT=y CONFIG_SHELL_MINIMAL=n diff --git a/zephyr/projects/npcx_evb/npcx9/pwm.dts b/zephyr/projects/npcx_evb/npcx9/pwm.dts new file mode 100644 index 0000000000..3b7b88c235 --- /dev/null +++ b/zephyr/projects/npcx_evb/npcx9/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"; +}; diff --git a/zephyr/projects/npcx_evb/npcx9/zmake.yaml b/zephyr/projects/npcx_evb/npcx9/zmake.yaml index 5aaa630542..29443aba14 100644 --- a/zephyr/projects/npcx_evb/npcx9/zmake.yaml +++ b/zephyr/projects/npcx_evb/npcx9/zmake.yaml @@ -5,6 +5,7 @@ board: npcx9_evb dts-overlays: - gpio.dts + - pwm.dts supported-zephyr-versions: - v2.6 toolchain: coreboot-sdk |