Re: [PATCH] ARM: dts: at91: sam9x60_curiosity: Add mandatory dt property for RTT

From: claudiu beznea
Date: Fri Sep 29 2023 - 14:06:55 EST




On 28.09.2023 17:36, nicolas.ferre@xxxxxxxxxxxxx wrote:
> From: Tudor Ambarus <tudor.ambarus@xxxxxxxxxx>
>
> atmel,rtt-rtc-time-reg is a mandatory property and encodes the GPBR
> register used to store the time base when the RTT is used as an RTC.
> Align the RTT with what's currently done for sam9x60ek and sama7g5ek,
> and enable it by default even if RTC is also enabled.
>
> Signed-off-by: Tudor Ambarus <tudor.ambarus@xxxxxxxxxx>
> [nicolas.ferre@xxxxxxxxxxxxx: adapt to newer kernel]
> Signed-off-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxxxxxx>

Reviewed-by: Claudiu Beznea <claudiu.beznea@xxxxxxxxx>

> ---
> arch/arm/boot/dts/microchip/at91-sam9x60_curiosity.dts | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/arch/arm/boot/dts/microchip/at91-sam9x60_curiosity.dts b/arch/arm/boot/dts/microchip/at91-sam9x60_curiosity.dts
> index cb86a3a170ce..83372c1f291b 100644
> --- a/arch/arm/boot/dts/microchip/at91-sam9x60_curiosity.dts
> +++ b/arch/arm/boot/dts/microchip/at91-sam9x60_curiosity.dts
> @@ -439,6 +439,10 @@ &pwm0 {
> status = "okay";
> };
>
> +&rtt {
> + atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
> +};
> +
> &sdmmc0 {
> bus-width = <4>;
> pinctrl-names = "default";