linux-kernel - [PATCH 0/6] spacemit: introduce P1 PMIC and regulator support

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Message-ID: <20250613210150.1468845-1-elder@riscstar.com>
Date: Fri, 13 Jun 2025 16:01:43 -0500
From: Alex Elder <elder@...cstar.com>
To: lee@...nel.org,
	lgirdwood@...il.com,
	broonie@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	dlan@...too.org
Cc: paul.walmsley@...ive.com,
	palmer@...belt.com,
	aou@...s.berkeley.edu,
	alex@...ti.fr,
	troymitchell988@...il.com,
	guodong@...cstar.com,
	devicetree@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	spacemit@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: [PATCH 0/6] spacemit: introduce P1 PMIC and regulator support

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
-- 
2.45.2