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

From: Boris Brezillon
Date: Fri Feb 20 2015 - 11:06:44 EST


Hi Nicolas,

On Fri, 20 Feb 2015 16:58:18 +0100
Nicolas Ferre <nicolas.ferre@xxxxxxxxx> 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 <nicolas.ferre@xxxxxxxxx>

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 <boris.brezillon@xxxxxxxxxxxxxxxxxx>

> ---
> 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
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