linux-kernel - [PATCH v1 0/2] Add RK801 PMIC support

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Message-Id: <20251231030951.818-1-chenjh@rock-chips.com>
Date: Wed, 31 Dec 2025 11:09:49 +0800
From: Joseph Chen <chenjh@...k-chips.com>
To: lee@...nel.org,
	lgirdwood@...il.com,
	broonie@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org
Cc: linux-kernel@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	Joseph Chen <chenjh@...k-chips.com>
Subject: [PATCH v1 0/2] Add RK801 PMIC support

This patch series adds support for the Rockchip RK801 Power Management
Integrated Circuit (PMIC) to the Linux kernel.

The RK801 is a PMIC designed for multimedia and handheld devices. It
includes:
- 4 BUCK regulators (DCDC)
- 2 LDO regulators
- 1 SWITCH regulator
- Interrupt support for power key events

The implementation follows the existing rk808 MFD driver architecture
and integrates RK801 as a new variant in the RK8XX family.

Patch 1 adds the device tree binding documentation for RK801, describing
the compatible string, regulators configuration, and example usage.

Patch 2 adds the rk801 driver support.

Joseph Chen (2):
  dt-bindings: mfd: Add rk801 binding
  mfd: rk808: Add RK801 support

 .../bindings/mfd/rockchip,rk801.yaml          | 199 ++++++++++++++
 drivers/mfd/Kconfig                           |   6 +-
 drivers/mfd/rk8xx-core.c                      |  81 ++++++
 drivers/mfd/rk8xx-i2c.c                       |  33 ++-
 drivers/regulator/rk808-regulator.c           | 243 ++++++++++++++++++
 include/linux/mfd/rk808.h                     | 118 +++++++++
 6 files changed, 676 insertions(+), 4 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/mfd/rockchip,rk801.yaml

-- 
2.25.1