Subject: [PATCH] pwm: atmel-hlcdc: add errata handling for sama5d4

From: [email-masked] (Boris Brezillon)
Date: Fri, 20 Feb 2015 17:06:13 +0100

Hi Nicolas,

On Fri, 20 Feb 2015 16:58:18 +0100
Nicolas Ferre <[email-masked]> wrote:

> sama5d4 SoC also has an errata on the HLCDC PWM. It is the same as the sama5d3
> that is forbidding the use of div1 prescaler.
> 
> Signed-off-by: Nicolas Ferre <[email-masked]>

The "atmel,sama5d4-hlcdc" compatible string is not yet documented in
the atmel-hlcdc MFD driver binding, but this shouldn't hurt, so

Acked-by: Boris Brezillon <[email-masked]>

> ---
>  drivers/pwm/pwm-atmel-hlcdc.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/pwm/pwm-atmel-hlcdc.c b/drivers/pwm/pwm-atmel-hlcdc.c
> index 522f7075bb1a..fa5feaba25a5 100644
> --- a/drivers/pwm/pwm-atmel-hlcdc.c
> +++ b/drivers/pwm/pwm-atmel-hlcdc.c
> @@ -225,6 +225,10 @@ static const struct of_device_id atmel_hlcdc_dt_ids[] = {
>  		.compatible = "atmel,sama5d3-hlcdc",
>  		.data = &atmel_hlcdc_pwm_sama5d3_errata,
>  	},
> +	{
> +		.compatible = "atmel,sama5d4-hlcdc",
> +		.data = &atmel_hlcdc_pwm_sama5d3_errata,
> +	},
>  	{ /* sentinel */ },
>  };
>  

-- 
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com