On Tue, Aug 30, 2016 at 09:21:15PM -0700, Douglas Anderson wrote: > A change of the duty cycle doesn't necessarily cause an immediate switch > to the target voltage. On many PWM regulators there is a fixed "settle > time" (irrespective of the jump size) that we need to wait after an > upward jump. This change introduces the device tree property > "settle-time-up-us" which allows us to specify a fixed delay after a > voltage increase. Why is this specific to regulators implemented with PWM controllers? Most DCDCs have a PWM element and the concept of a hard time limit for transition rather than a ramp rate doesn't seem like it'd be unique. -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 473 bytes Desc: not available URL: <http://lists.infradead.org/pipermail/linux-rockchip/attachments/20160901/cc95d67c/attachment.sig>
