[PATCH v2 6/7] riscv: dts: spacemit: k1-orangepi-rv2: add PMIC and power infrastructure

[Iker Pedrosa]

El vie, 13 mar 2026 a las 12:11, Yixun Lan (<dlan at kernel.org>) escribió:
>
> Hi Iker,
>
> On 10:42 Fri 13 Mar     , Iker Pedrosa wrote:
> > El vie, 13 mar 2026 a las 1:19, Yixun Lan (<dlan at kernel.org>) escribió:
> > >
> > > Hi Trevor, Iker,
> > >
> > > On 14:27 Wed 11 Mar     , Trevor Gamblin wrote:
> > > > Hi,
> > > >
> > > > On 2026-03-09 07:40, Iker Pedrosa wrote:
> > > > > Add Spacemit P1 PMIC configuration and board power infrastructure for
> > > > > voltage regulation support.
> > > > >
> > > > > - Add board power regulators (12V input, 4V rail)
> > > > > - Enable I2C8 for PMIC communication
> > > > > - Configure PMIC with buck4 (vmmc) and aldo1 (vqmmc) regulators
> > > > > - Set up regulator constraints for SD card operation
> > > > >
> > > > > Signed-off-by: Iker Pedrosa <ikerpedrosam at gmail.com>
> > > > > ---
> > > > >   arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts | 48 ++++++++++++++++++++++++
> > > > >   1 file changed, 48 insertions(+)
> > > > >
> > > > > diff --git a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts b/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts
> > > > > index 7b7331cb3c726f11d597f81917f3a3f5fc21e1b9..414b03f5e6480f05f5d7eeaaa0afb4e86425ae36 100644
> > > > > --- a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts
> > > > > +++ b/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts
> > > > > @@ -19,6 +19,25 @@ aliases {
> > > > >             ethernet1 = &eth1;
> > > > >     };
> > > > >
> > > > > +   reg_dc_in: dc-in-12v {
> > > > > +           compatible = "regulator-fixed";
> > > > > +           regulator-name = "dc_in_12v";
> > > > > +           regulator-min-microvolt = <12000000>;
> > > > > +           regulator-max-microvolt = <12000000>;
> > > > > +           regulator-boot-on;
> > > > > +           regulator-always-on;
> > > > > +   };
> > > > > +
> > > > Is this the correct voltage? I don't see a 12V rail in the RV2's
> > > > datasheet, and the board's specifications only indicate a 5V USB-C input.
> > >
> > > Right, this should be fixed. Please note Han submitted one version of basic DT for rv2
> > > which I think that series will go in first
> > >
> > > https://lore.kernel.org/r/20260310161853.3900605-1-gaohan@iscas.ac.cn
> > >
> >
> > I'm fine with that. Do we have an estimate of when these changes will
> > land? I'm fine with rebasing once those are merged, but I'd like to
> > continue with the review for the remaining changes in this patch
> > series and I'm unsure on how to proceed.
> >
> For that changes, likely will target v7.1 merge window
>
> You can continue with current version, once that happen, you can rebase ..

Ok, that sounds good to me

>
> --
> Yixun Lan (dlan)