Re: [PATCH v2 1/2] dt-bindings: soc: tegra: Document Nvidia Tegra modem pwrseq
From: Svyatoslav Ryhel
Date: Tue May 26 2026 - 06:04:17 EST
вт, 26 трав. 2026 р. о 12:51 Bartosz Golaszewski <brgl@xxxxxxxxxx> пише:
>
> On Sat, May 23, 2026 at 10:51 AM Svyatoslav Ryhel <clamor95@xxxxxxxxx> wrote:
> >
> > Document the Tegra modem pwseq used by various devices based on the Nvidia
> > Tegra SoC, describing its usage. The power sequence provides interaction
> > between the modem and SoC-specific interface configurations.
> >
> > Signed-off-by: Svyatoslav Ryhel <clamor95@xxxxxxxxx>
> > ---
>
> ...
>
> > +
> > +examples:
> > + - |
> > + #include <dt-bindings/gpio/gpio.h>
> > +
> > + pwrseq-modem {
> > + compatible = "nvidia,tegra-modem-pwrseq";
> > +
> > + enable-gpios = <&gpio 165 GPIO_ACTIVE_HIGH>;
> > + power-supply = <&vdd_3v3_vbat>;
> > +
> > + nvidia,usb-bus = <&usb2>;
> > + };
> > --
> > 2.51.0
> >
>
> I assume there's no such component as the tegra modem *pwrseq*?
Hardware component, I assume no.
> What is the relationship between this node and the "infineon,xmm6260"
> compatible node?
>
The xmm6260 has a phandle reference to it. Since there is consumer
matching logic in the pwrseq driver I am leaning towards removing this
node entirely. This patches is still in non-final stage and I would
like to hear any opinions on the way to improving it.
> Bart