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    SubjectRe: [PATCH v6 1/4] gpio: mvebu: Add limited PWM support
    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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