[PATCH] ARM: dts: sun8i: a83t: bananapi-m3: describe SATA disk regulator

Jernej Škrabec jernej.skrabec at gmail.com
Fri Jan 27 13:00:19 PST 2023


Dne petek, 20. januar 2023 ob 02:26:16 CET je Andre Przywara napisal(a):
> The Bananapi-M3 has a SATA connector, driven by a USB-to-SATA bridge
> soldered on the board. The power for the SATA device is provided by a
> GPIO controlled regulator. Since the SATA device is behind USB, it has
> no DT node, so we never described this regulator. Instead U-Boot was
> turning this on in a rather hackish way, which we now want to get rid of.
> On top of that it seems fragile to leave this GPIO undescribed, as
> userland could claim it and turn the disk off.
> 
> Add a fixed regulator, controlled by the PD25 GPIO, and mark it as
> always-on. This would mimic the current situation, but in a safer way,
> and would allow U-Boot to drop the CONFIG_SATAPWR enable hack.
> 
> Signed-off-by: Andre Przywara <andre.przywara at arm.com>

Applied, thanks!

Best regards,
Jernej





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