From: Lee Jones <lee@kernel.org>
To: Alex Elder <elder@riscstar.com>
Cc: lgirdwood@gmail.com, broonie@kernel.org, robh@kernel.org,
krzk+dt@kernel.org, conor+dt@kernel.org, dlan@gentoo.org,
paul.walmsley@sifive.com, palmer@dabbelt.com,
aou@eecs.berkeley.edu, alex@ghiti.fr, troymitchell988@gmail.com,
guodong@riscstar.com, devicetree@vger.kernel.org,
linux-riscv@lists.infradead.org, spacemit@lists.linux.dev,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/6] mfd: spacemit: add support for SpacemiT PMICs
Date: Thu, 19 Jun 2025 15:41:47 +0100 [thread overview]
Message-ID: <20250619144147.GH795775@google.com> (raw)
In-Reply-To: <20250619144023.GG795775@google.com>
On Thu, 19 Jun 2025, Lee Jones wrote:
> On Fri, 13 Jun 2025, Alex Elder wrote:
>
> > Add support for SpacemiT PMICs. Initially only the P1 PMIC is supported
> > but the driver is structured to allow support for others to be added.
> >
> > The P1 PMIC is controlled by I2C, and is normally implemented with the
> > SpacemiT K1 SoC. This PMIC provides six buck converters and 12 LDO
>
> six or 12. Please pick a format and remain consistent.
>
> > regulators. It also implements a switch, watchdog timer, real-time clock,
> > and more, but initially we will only support its regulators.
>
> You have to provide support for more than one device for this to be
> accepted into MFD.
>
> > Signed-off-by: Alex Elder <elder@riscstar.com>
> > ---
> > drivers/mfd/Kconfig | 11 +++++
> > drivers/mfd/Makefile | 1 +
> > drivers/mfd/spacemit-pmic.c | 91 +++++++++++++++++++++++++++++++++++++
> > 3 files changed, 103 insertions(+)
> > create mode 100644 drivers/mfd/spacemit-pmic.c
Right now, it looks like all you need is:
drivers/mfd/simple-mfd-i2c.c
--
Lee Jones [李琼斯]
next prev parent reply other threads:[~2025-06-19 14:41 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-13 21:01 [PATCH 0/6] spacemit: introduce P1 PMIC and regulator support Alex Elder
2025-06-13 21:01 ` [PATCH 1/6] dt-bindings: mfd: add support the SpacmiT P1 PMIC Alex Elder
2025-06-19 6:03 ` Vivian Wang
2025-06-19 13:23 ` Alex Elder
2025-06-13 21:01 ` [PATCH 2/6] mfd: spacemit: add support for SpacemiT PMICs Alex Elder
2025-06-19 5:46 ` Vivian Wang
2025-06-19 13:23 ` Alex Elder
2025-06-19 14:40 ` Lee Jones
2025-06-19 14:41 ` Lee Jones [this message]
2025-06-20 14:10 ` Alex Elder
2025-06-20 14:10 ` Alex Elder
2025-06-25 8:21 ` Lee Jones
2025-06-25 11:48 ` Alex Elder
2025-06-25 13:33 ` Lee Jones
2025-06-13 21:01 ` [PATCH 3/6] regulator: spacemit: support SpacemiT P1 regulators Alex Elder
2025-06-14 11:03 ` Mark Brown
2025-06-19 6:15 ` Vivian Wang
2025-06-19 13:23 ` Alex Elder
2025-06-19 14:13 ` Vivian Wang
2025-06-13 21:01 ` [PATCH 4/6] riscv: dts: spacemit: enable the i2c8 adapter Alex Elder
2025-06-13 21:01 ` [PATCH 5/6] riscv: dts: spacemit: define fixed regulators Alex Elder
2025-06-13 21:01 ` [PATCH 6/6] riscv: dts: spacemit: define regulator constraints Alex Elder
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