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| author | Kamel Bouhara <kamel.bouhara@bootlin.com> | 2023-06-20 08:26:57 +0200 |
|---|---|---|
| committer | Sebastian Reichel <sebastian.reichel@collabora.com> | 2023-07-19 23:15:21 +0200 |
| commit | d40befed9a581740f6ceb0e5998ec2f59bfbc559 (patch) | |
| tree | f3e86211c054264c3cdb4c78318d3ec7dc04c2af /include/linux/power | |
| parent | 7b9fc309c0b57c5b1230bf3e0a8bb9e937eb6529 (diff) | |
| download | linux-d40befed9a581740f6ceb0e5998ec2f59bfbc559.tar.gz linux-d40befed9a581740f6ceb0e5998ec2f59bfbc559.tar.bz2 linux-d40befed9a581740f6ceb0e5998ec2f59bfbc559.zip | |
power: reset: at91-reset: add sysfs interface to the power on reason
Introduce a list of generic reset sources and use them to export the
power on reason through sysfs. Update the ABI documentation to describe
this new interface.
Signed-off-by: Kamel Bouhara <kamel.bouhara@bootlin.com>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
[Miquel Raynal: Follow-up on Kamel's work, 4 years later]
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'include/linux/power')
| -rw-r--r-- | include/linux/power/power_on_reason.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/power/power_on_reason.h b/include/linux/power/power_on_reason.h new file mode 100644 index 000000000000..95a1ec0c403c --- /dev/null +++ b/include/linux/power/power_on_reason.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Author: Kamel Bouhra <kamel.bouhara@bootlin.com> + */ + +#ifndef POWER_ON_REASON_H +#define POWER_ON_REASON_H + +#define POWER_ON_REASON_REGULAR "regular power-up" +#define POWER_ON_REASON_RTC "RTC wakeup" +#define POWER_ON_REASON_WATCHDOG "watchdog timeout" +#define POWER_ON_REASON_SOFTWARE "software reset" +#define POWER_ON_REASON_RST_BTN "reset button action" +#define POWER_ON_REASON_CPU_CLK_FAIL "CPU clock failure" +#define POWER_ON_REASON_XTAL_FAIL "crystal oscillator failure" +#define POWER_ON_REASON_BROWN_OUT "brown-out reset" +#define POWER_ON_REASON_UNKNOWN "unknown reason" + +#endif /* POWER_ON_REASON_H */ |