Messages in this thread | | | From | Linus Walleij <> | Date | Mon, 24 Apr 2017 11:18:30 +0200 | Subject | Re: [PATCH v6 1/4] gpio: mvebu: Add limited PWM support |
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On Fri, Apr 14, 2017 at 5:40 PM, Ralph Sennhauser <ralph.sennhauser@gmail.com> wrote:
> From: Andrew Lunn <andrew@lunn.ch> > > Armada 370/XP devices can 'blink' GPIO lines with a configurable on > and off period. This can be modelled as a PWM. > > However, there are only two sets of PWM configuration registers for > all the GPIO lines. This driver simply allows a single GPIO line per > GPIO chip of 32 lines to be used as a PWM. Attempts to use more return > EBUSY. > > Due to the interleaving of registers it is not simple to separate the > PWM driver from the GPIO driver. Thus the GPIO driver has been > extended with a PWM driver. > > Signed-off-by: Andrew Lunn <andrew@lunn.ch> > URL: https://patchwork.ozlabs.org/patch/427287/ > URL: https://patchwork.ozlabs.org/patch/427295/ > [Ralph Sennhauser: > * Port forward > * Merge PWM portion into gpio-mvebu.c > * Switch to atomic PWM API > * Add new compatible string marvell,armada-370-xp-gpio > * Update and merge documentation patch > * Update MAINTAINERS] > Signed-off-by: Ralph Sennhauser <ralph.sennhauser@gmail.com> > Tested-by: Andrew Lunn <andrew@lunn.ch> > Acked-by: Thierry Reding <thierry.reding@gmail.com> > Acked-by: Rob Herring <robh@kernel.org>
Patch applied.
Yours, Linus Walleij
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