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[MCXA] CTimer: Add SinglePwm, DualPwm, and TriplePwm to share the period channel#5379

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[MCXA] CTimer: Add SinglePwm, DualPwm, and TriplePwm to share the period channel#5379
felipebalbi wants to merge 4 commits intoembassy-rs:mainfrom
felipebalbi:mcxa/ctimer

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Felipe Balbi added 4 commits February 4, 2026 06:55
This just clarifies the intended use for the channel.
Instead of changing the duty cycle of the currently running PWM, we
can rely on the Match Reload feature which will guarantee that HW
changes PWM duty cycle only when a match/reset occurs.

This enables completely glitch-free PWM duty cycle changes.
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CTIMER: add support for sharing PWM period channel

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