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| author | Claudiu Beznea <claudiu.beznea@microchip.com> | 2022-06-10 12:24:10 +0300 |
|---|---|---|
| committer | Sebastian Reichel <sebastian.reichel@collabora.com> | 2022-06-17 17:20:00 +0200 |
| commit | cd4ed0ab802b5aa171015dae40ac2418e1f7f720 (patch) | |
| tree | e4e9ca6d0875461c4443ae672718671510618711 /drivers/power | |
| parent | 5994f58977e0123d5cb77617b3cc4676325028dd (diff) | |
| download | linux-stable-cd4ed0ab802b5aa171015dae40ac2418e1f7f720.tar.gz linux-stable-cd4ed0ab802b5aa171015dae40ac2418e1f7f720.tar.bz2 linux-stable-cd4ed0ab802b5aa171015dae40ac2418e1f7f720.zip | |
power: reset: at91-reset: document structures and enums
Document structures and enums.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'drivers/power')
| -rw-r--r-- | drivers/power/reset/at91-reset.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/power/reset/at91-reset.c b/drivers/power/reset/at91-reset.c index 64def79d557a..e62798750b6b 100644 --- a/drivers/power/reset/at91-reset.c +++ b/drivers/power/reset/at91-reset.c @@ -39,6 +39,17 @@ #define AT91_RSTC_URSTIEN BIT(4) /* User Reset Interrupt Enable */ #define AT91_RSTC_ERSTL GENMASK(11, 8) /* External Reset Length */ +/** + * enum reset_type - reset types + * @RESET_TYPE_GENERAL: first power-up reset + * @RESET_TYPE_WAKEUP: return from backup mode + * @RESET_TYPE_WATCHDOG: watchdog fault + * @RESET_TYPE_SOFTWARE: processor reset required by software + * @RESET_TYPE_USER: NRST pin detected low + * @RESET_TYPE_CPU_FAIL: CPU clock failure detection + * @RESET_TYPE_XTAL_FAIL: 32KHz crystal failure dectection fault + * @RESET_TYPE_ULP2: ULP2 reset + */ enum reset_type { RESET_TYPE_GENERAL = 0, RESET_TYPE_WAKEUP = 1, @@ -50,6 +61,15 @@ enum reset_type { RESET_TYPE_ULP2 = 8, }; +/** + * struct at91_reset - AT91 reset specific data structure + * @rstc_base: base address for system reset + * @ramc_base: array with base addresses of RAM controllers + * @sclk: slow clock + * @nb: reset notifier block + * @args: SoC specific system reset arguments + * @ramc_lpr: SDRAM Controller Low Power Register + */ struct at91_reset { void __iomem *rstc_base; void __iomem *ramc_base[2]; |