diff options
-rw-r--r-- | doc/api/index.rst | 1 | ||||
-rw-r--r-- | doc/api/timer.rst | 8 | ||||
-rw-r--r-- | include/timer.h | 46 |
3 files changed, 33 insertions, 22 deletions
diff --git a/doc/api/index.rst b/doc/api/index.rst index 1c261bcb73..787b6778e5 100644 --- a/doc/api/index.rst +++ b/doc/api/index.rst @@ -12,4 +12,5 @@ U-Boot API documentation pinctrl rng serial + timer unicode diff --git a/doc/api/timer.rst b/doc/api/timer.rst new file mode 100644 index 0000000000..b0695174d7 --- /dev/null +++ b/doc/api/timer.rst @@ -0,0 +1,8 @@ +.. SPDX-License-Identifier: GPL-2.0+ +.. Copyright (C) 2020 Sean Anderson <seanga2@gmail.com> + +Timer Subsystem +=============== + +.. kernel-doc:: include/timer.h + :internal: diff --git a/include/timer.h b/include/timer.h index 8b9fa51c53..aa9d870619 100644 --- a/include/timer.h +++ b/include/timer.h @@ -6,12 +6,12 @@ #ifndef _TIMER_H_ #define _TIMER_H_ -/* - * dm_timer_init - initialize a timer for time keeping. On success +/** + * dm_timer_init() - initialize a timer for time keeping. On success * initializes gd->timer so that lib/timer can use it for future * referrence. * - * @return - 0 on success or error number + * Return: 0 on success or error number */ int dm_timer_init(void); @@ -30,49 +30,51 @@ int dm_timer_init(void); */ int timer_timebase_fallback(struct udevice *dev); -/* - * timer_conv_64 - convert 32-bit counter value to 64-bit - * +/** + * timer_conv_64() - convert 32-bit counter value to 64-bit * @count: 32-bit counter value - * @return: 64-bit counter value + * + * Return: 64-bit counter value */ u64 timer_conv_64(u32 count); -/* - * Get the current timer count - * +/** + * timer_get_count() - Get the current timer count * @dev: The timer device * @count: pointer that returns the current timer count - * @return: 0 if OK, -ve on error + * + * Return: 0 if OK, -ve on error */ int timer_get_count(struct udevice *dev, u64 *count); -/* - * Get the timer input clock frequency - * +/** + * timer_get_rate() - Get the timer input clock frequency * @dev: The timer device - * @return: the timer input clock frequency + * + * Return: the timer input clock frequency */ unsigned long timer_get_rate(struct udevice *dev); -/* +/** * struct timer_ops - Driver model timer operations * * The uclass interface is implemented by all timer devices which use * driver model. */ struct timer_ops { - /* - * Get the current timer count + /** + * @get_count: Get the current timer count * * @dev: The timer device + * * @count: pointer that returns the current 64-bit timer count - * @return: 0 if OK, -ve on error + * + * Return: 0 if OK, -ve on error */ int (*get_count)(struct udevice *dev, u64 *count); }; -/* +/** * struct timer_dev_priv - information about a device used by the uclass * * @clock_rate: the timer input clock frequency @@ -84,7 +86,7 @@ struct timer_dev_priv { /** * timer_early_get_count() - Implement timer_get_count() before driver model * - * If CONFIG_TIMER_EARLY is enabled, this function wil be called to return + * If ``CONFIG_TIMER_EARLY`` is enabled, this function wil be called to return * the current timer value before the proper driver model timer is ready. * It should be implemented by one of the timer values. This is mostly useful * for tracing. @@ -94,7 +96,7 @@ u64 timer_early_get_count(void); /** * timer_early_get_rate() - Get the timer rate before driver model * - * If CONFIG_TIMER_EARLY is enabled, this function wil be called to return + * If ``CONFIG_TIMER_EARLY`` is enabled, this function wil be called to return * the current timer rate in Hz before the proper driver model timer is ready. * It should be implemented by one of the timer values. This is mostly useful * for tracing. This corresponds to the clock_rate value in struct |