[PATCH 4/5] pwm: rockchip: Add atomic updated feature for rk3328

[Rob Herring]

On Thu, Jun 29, 2017 at 08:27:50PM +0800, David Wu wrote:
> The rk3328 soc supports atomic update, we could lock the configuration
> of period and duty at first, after unlock is configured, the period and
> duty are effective at the same time.
> 
> If the polarity, period and duty need to be configured together,
> the way for atomic update is "configure lock and old polarity" ->
> "configure period and duty" -> "configure unlock and new polarity".
> 
> Signed-off-by: David Wu <david.wu at rock-chips.com>
> ---
>  .../devicetree/bindings/pwm/pwm-rockchip.txt       |  1 +

The subject is a bit misleading as you are adding support for a new 
version of the IP. Otherwise,

Acked-by: Rob Herring <robh at kernel.org>

>  drivers/pwm/pwm-rockchip.c                         | 50 +++++++++++++++++++---
>  2 files changed, 46 insertions(+), 5 deletions(-)