Ian Lepore
59d8a61ca7
Spell unsigned int as u_int and channel as chan; eliminates the need to wrap
...
some long lines.
2019-06-15 21:19:23 +00:00
Ian Lepore
968e5efcca
Make pwmbus driver and devclass vars static; they're not mentioned in any
...
header file, so they can't be used outside this file anyway.
2019-06-15 20:53:26 +00:00
Ian Lepore
1e76aee880
Use device_delete_children() instead of a locally-rolled copy of it that
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leaks the device-list memory.
2019-06-15 20:17:00 +00:00
Ian Lepore
3cee44bc88
Remove pwmbus_attach_bus(), it no longer has any callers. Also remove a
...
couple prototypes for functions that never existed (and never will).
2019-06-15 20:13:42 +00:00
Emmanuel Vadot
6a9997ed67
pwm: Convert period and duty to unsigned int
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We don't need a 64 bits value to store nanoseconds
Discused with: ian, jhibbits
2018-12-14 18:37:26 +00:00
Emmanuel Vadot
9312900f6d
Add a pwm subsystem so we can configure pwm controller from kernel and userland.
...
The pwm subsystem consist of API for PWM controllers, pwmbus to register them
and a pwm(8) utility to talk to them from userland.
Reviewed by: oshgobo (capsicum), bcr (manpage), 0mp (manpage)
Differential Revision: https://reviews.freebsd.org/D17938
2018-12-12 20:56:56 +00:00
