From: Alex Elder <elder@riscstar.com>
To: lee@kernel.org, alexandre.belloni@bootlin.com,
lgirdwood@gmail.com, broonie@kernel.org, robh@kernel.org,
krzk+dt@kernel.org, conor+dt@kernel.org
Cc: dlan@gentoo.org, wangruikang@iscas.ac.cn,
paul.walmsley@sifive.com, palmer@dabbelt.com,
aou@eecs.berkeley.edu, alex@ghiti.fr, troymitchell988@gmail.com,
guodong@riscstar.com, devicetree@vger.kernel.org,
spacemit@lists.linux.dev, linux-rtc@vger.kernel.org,
linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH v3 0/7] spacemit: introduce P1 PMIC support
Date: Sat, 21 Jun 2025 22:29:32 -0500 [thread overview]
Message-ID: <20250622032941.3768912-1-elder@riscstar.com> (raw)
The SpacemiT P1 is an I2C-controlled PMIC that implements 6 buck
converters and 12 LDOs. It contains a load switch, ADC channels,
GPIOs, a real-time clock, and a watchdog timer.
This series introduces a multifunction driver for the P1 PMIC as well
as drivers for its regulators and RTC.
This series is available here:
https://github.com/riscstar/linux/tree/outgoing/pmic-v3
-Alex
Between version 2 and version 3:
- Removed "spacemit-pmic.c" and updated "simple-mfd-i2c.c" instead
- Added an RTC driver, so that the MFD has more than one sub-device
- Other suggestions were directed at "spacemit-pmic.c"
Here is version 2 of this series:
https://lore.kernel.org/lkml/20250613210150.1468845-1-elder@riscstar.com/
Between version 1 and version 2:
- Added Reviewed-by tag from Mark Brown to patch 3
- Implemented suggestions from Vivian Wang:
- Fixed a typo in the subject line in patch 1
- Now use module_i2c_driver() for the PMIC driver in patch 2
- Added MODULE_ALIAS() for both drivers (patches 2 and 3)
- Defined and used DRV_NAME in both drivers
- Added additional Kconfig module help text for both drivers
Here is version 1 of this series:
https://lore.kernel.org/lkml/20250613210150.1468845-1-elder@riscstar.com/
Alex Elder (7):
dt-bindings: mfd: add support the SpacemiT P1 PMIC
mfd: simple-mfd-i2c: add SpacemiT P1 support
regulator: spacemit: support SpacemiT P1 regulators
rtc: spacemit: support the SpacemiT P1 RTC
riscv: dts: spacemit: enable the i2c8 adapter
riscv: dts: spacemit: define fixed regulators
riscv: dts: spacemit: define regulator constraints
.../devicetree/bindings/mfd/spacemit,p1.yaml | 86 ++++++++++
.../boot/dts/spacemit/k1-bananapi-f3.dts | 138 +++++++++++++++
arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi | 7 +
arch/riscv/boot/dts/spacemit/k1.dtsi | 11 ++
drivers/mfd/Kconfig | 10 ++
drivers/mfd/simple-mfd-i2c.c | 18 ++
drivers/regulator/Kconfig | 12 ++
drivers/regulator/Makefile | 1 +
drivers/regulator/spacemit-p1.c | 157 ++++++++++++++++++
drivers/rtc/Kconfig | 10 ++
drivers/rtc/Makefile | 1 +
drivers/rtc/rtc-p1.c | 137 +++++++++++++++
12 files changed, 588 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mfd/spacemit,p1.yaml
create mode 100644 drivers/regulator/spacemit-p1.c
create mode 100644 drivers/rtc/rtc-p1.c
base-commit: 5d4809e25903ab8e74034c1f23c787fd26d52934
--
2.45.2
reply other threads:[~2025-06-22 3:29 UTC|newest]
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