Re: [PATCH] ARM: dts: at91: sama5d2_ptc_ek: fix nand pinctrl

[Nicolas Ferre]

On 07/09/2018 at 10:18, Ludovic Desroches wrote:
> The drive strength has to be set to medium otherwise some data
> corruption may happen.
>
> Signed-off-by: Ludovic Desroches <ludovic.desroches@xxxxxxxxxxxxx>

Acked-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxxxxxx>

> ---
>
> Hi,
>
> This fix depends on the support of the drive-strength for the atmel pio4
> pinctroller. It has been added in v4.19 but I omitted to send it at the
> same time.

Could be good to be queued for "4.19-fixes".

Best regards,
  Nicolas

> Ludovic
>
>   arch/arm/boot/dts/at91-sama5d2_ptc_ek.dts | 2 ++
>   1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm/boot/dts/at91-sama5d2_ptc_ek.dts b/arch/arm/boot/dts/at91-sama5d2_ptc_ek.dts
> index b10dccd0958f..3b1baa8605a7 100644
> --- a/arch/arm/boot/dts/at91-sama5d2_ptc_ek.dts
> +++ b/arch/arm/boot/dts/at91-sama5d2_ptc_ek.dts
> @@ -11,6 +11,7 @@
>   #include "sama5d2-pinfunc.h"
>   #include <dt-bindings/mfd/atmel-flexcom.h>
>   #include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/pinctrl/at91.h>
>   
>   / {
>   	model = "Atmel SAMA5D2 PTC EK";
> @@ -299,6 +300,7 @@
>   							 <PIN_PA30__NWE_NANDWE>,
>   							 <PIN_PB2__NRD_NANDOE>;
>   						bias-pull-up;
> +						atmel,drive-strength = <ATMEL_PIO_DRVSTR_ME>;
>   					};
>   
>   					ale_cle_rdy_cs {


--
Nicolas Ferre