Remove $FreeBSD$: two-line nroff pattern

Remove /^\.\\"\n\.\\"\s*\$FreeBSD\$$\n/

usr.sbin/pwm/pwm add support for flags

The pwm utility cant set the only flag defined (PWM_POLARITY_INVERTED) so this
patch add the option -I (capital letter i) to send it to the drivers.

None of e

usr.sbin/pwm/pwm add support for flags

The pwm utility cant set the only flag defined (PWM_POLARITY_INVERTED) so this
patch add the option -I (capital letter i) to send it to the drivers.

None of existing PWM driver have implemented support for flags.
But soon:ish I will put up an review of a pwm driver using TI OMAP DMTimer.

Differential Revision: https://reviews.freebsd.org/D29137
MFC after: 2 weeks

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MFHead @349234

Sponsored by: The FreeBSD Foundation

Oops, it seems I left out the word 'cycle', fix it.

Reported by: rpokala@

Rearrange the argument checking and processing so that enable and disable
can be combined with configuring the period and duty cycle (the same ioctl
sets all 3 values at once, so there's no reason to

Rearrange the argument checking and processing so that enable and disable
can be combined with configuring the period and duty cycle (the same ioctl
sets all 3 values at once, so there's no reason to require the user to run
the program twice to get all 3 things set).

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Explain the relationship between PWM hardware channels being controlled and
pwmc(4) device filenames. Also, use uppercase PWM when the term is being
used as an acronym, and expand the acronym where

Explain the relationship between PWM hardware channels being controlled and
pwmc(4) device filenames. Also, use uppercase PWM when the term is being
used as an acronym, and expand the acronym where it's first used.

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Remove everything related to channels from the pwmc public interface, now
that there is a pwmc(4) instance per channel and the channel number is
maintained as a driver ivar rather than being passed i

Remove everything related to channels from the pwmc public interface, now
that there is a pwmc(4) instance per channel and the channel number is
maintained as a driver ivar rather than being passed in from userland.

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Put periods at the ends of argument descriptions. Explain the relationship
between the period and duty arguments.

Follow changes in the pwmc(4) driver in relation to device filenames.

The driver now names its cdev nodes pwmcX.Y where X is unit number and
Y is the channel within that unit. Change the default de

Follow changes in the pwmc(4) driver in relation to device filenames.

The driver now names its cdev nodes pwmcX.Y where X is unit number and
Y is the channel within that unit. Change the default device name from
pwmc0 to pwmc0.0. The driver now puts cdev files and label aliases in
the /dev/pwm directory, so allow the user to provide unqualified names
with -f and automatically prepend the /dev/pwm part for them.

Update the examples in the manpage to show the new device name format
and location within /dev/pwm.

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Merge ^/head r343807 through r343955.

pwm.8: fix markup in synopsis, add -f description

Reviewed by: bcr, manu
Differential revision: https://reviews.freebsd.org/D18829

pwm(8): Add percentage value support for duty cycle

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 fr

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

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