Re: [PATCH V3 3/4] pwm: tegra: Add DT binding details to configure pin in suspends/resume

Rob Herring
2017-04-10T20:13:21Z

On Fri, Apr 07, 2017 at 03:04:01PM +0530, Laxman Dewangan wrote:
> In some of NVIDIA Tegra's platform, PWM controller is used to
> control the PWM controlled regulators. PWM signal is connected to
> the VID pin of the regulator where duty cycle of PWM signal decide
> the voltage level of the regulator output.
>
> When system enters suspend, some PWM client/slave regulator devices
> require the PWM output to be tristated.
>
> Add DT binding details to provide the pin configuration state
> from PWM and pinctrl DT node in suspend and active state of
> the system.
>
> Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
>
> ---
> Changes from v1:
> - Use standard pinctrl names for sleep and active state.
>
> Changes from V2:
> - Fix the commit message and details
> ---
> .../devicetree/bindings/pwm/nvidia,tegra20-pwm.txt | 45 ++++++++++++++++++++++
> 1 file changed, 45 insertions(+)

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