[PATCH 0/6] spacemit: introduce P1 PMIC and regulator support
From: Alex Elder
Date: Fri Jun 13 2025 - 17:02:05 EST
The SpacemiT P1 is an I2C-controlled PMIC that implements six buck
converters and twelve 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 a driver for its regulators.
This series is available here:
https://github.com/riscstar/linux/tree/outgoing/pmic-v1
-Alex
Alex Elder (6):
dt-bindings: mfd: add support the SpacmiT P1 PMIC
mfd: spacemit: add support for SpacemiT PMICs
regulator: spacemit: support SpacemiT P1 regulators
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 | 11 ++
drivers/mfd/Makefile | 1 +
drivers/mfd/spacemit-pmic.c | 91 +++++++++++
drivers/regulator/Kconfig | 9 +
drivers/regulator/Makefile | 1 +
drivers/regulator/spacemit-p1.c | 154 ++++++++++++++++++
10 files changed, 509 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mfd/spacemit,p1.yaml
create mode 100644 drivers/mfd/spacemit-pmic.c
create mode 100644 drivers/regulator/spacemit-p1.c
base-commit: 19272b37aa4f83ca52bdf9c16d5d81bdd1354494
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2.45.2