[PATCH] arm64: dts: mediatek: add mmc2 support for mt8365-evk
Alexandre Mergnat
amergnat at baylibre.com
Wed Jan 15 04:12:29 PST 2025
On 14/01/2025 11:38, AngeloGioacchino Del Regno wrote:
>> +&mmc2 {
>> + assigned-clock-parents = <&topckgen CLK_TOP_MSDCPLL>;
>> + assigned-clocks = <&topckgen CLK_TOP_MSDC50_2_SEL>;
>> + bus-width = <4>;
>> + cap-sd-highspeed;
>> + cap-sdio-irq;
>> + hs400-ds-delay = <0x12012>;
>> + keep-power-in-suspend;
>
> Why keep-power-in-suspend?
This slot is mainly used for WiFi / BT / GPS chip, which need to keep powered on.
I guess this is to avoid to do full re-init, re-load firmware, lose context, wake-up from it...
TBH, I didn't work on it, all I know is MTK need it.
--
Regards,
Alexandre
More information about the Linux-mediatek
mailing list