[PATCH v2 15/15] ARM: dts: microchip: add shutdown controller and rtt timer
Claudiu Beznea
claudiu.beznea at tuxon.dev
Thu Feb 13 00:30:39 PST 2025
Hi, Ryan,
On 10.02.2025 23:13, Ryan.Wanner at microchip.com wrote:
> From: Ryan Wanner <Ryan.Wanner at microchip.com>
>
> Add shutdown controller and rtt timer to support shutdown and wake up.
Also, split it in 2 patches:
1/ add rtt timer
2/ Enable shdwc
>
> Signed-off-by: Ryan Wanner <Ryan.Wanner at microchip.com>
> ---
> .../boot/dts/microchip/at91-sama7d65_curiosity.dts | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts b/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts
> index 0f86360fb733a..d1d0b06fbfc43 100644
> --- a/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts
> +++ b/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts
> @@ -77,6 +77,11 @@ pinctrl_uart6_default: uart6-default {
> };
> };
>
> +&rtt {
> + atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
> + status = "disabled";
Any reason for keeping this node disabled?
> +};
> +
> &sdmmc1 {
> bus-width = <4>;
> pinctrl-names = "default";
> @@ -84,6 +89,15 @@ &sdmmc1 {
> status = "okay";
> };
>
> +&shdwc {
> + debounce-delay-us = <976>;
> + status = "okay";
> +
> + input at 0 {
> + reg = <0>;
> + };
> +};
> +
> &slow_xtal {
> clock-frequency = <32768>;
> };
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