linux-kernel - [PATCH net-next 0/2] Add Si3474 PSE controller driver

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Message-ID: <bf9e5c77-512d-4efb-ad1d-f14120c4e06b@adtran.com>
Date: Mon, 12 May 2025 22:02:52 +0000
From: Piotr Kubik <piotr.kubik@...ran.com>
To: Oleksij Rempel <o.rempel@...gutronix.de>, Kory Maincent
	<kory.maincent@...tlin.com>, Andrew Lunn <andrew+netdev@...n.ch>, "David S.
 Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub
 Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Rob Herring
	<robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
	<conor+dt@...nel.org>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH net-next 0/2] Add Si3474 PSE controller driver

From: Piotr Kubik <piotr.kubik@...ran.com>

These patch series provide support for Skyworks Si3474 I2C
Power Sourcing Equipment controller.

Based on the TPS23881 driver code.

Supported features of Si3474:
- get port status,
- get port admin state,
- get port power,
- get port voltage,
- enable/disable port power

Signed-off-by: Piotr Kubik <piotr.kubik@...ran.com>
---
v2:
  - Handle both IC quads via single driver instance
  - Add architecture & terminology description comment
  - Change pi_enable, pi_disable, pi_get_admin_state to use PORT_MODE register
  - Rename power ports to 'pi'
  - Use i2c_smbus_write_byte_data() for single byte registers
  - Coding style improvements
v1: https://lore.kernel.org/netdev/a92be603-7ad4-4dd3-b083-548658a4448a@adtran.com/

Piotr Kubik (2):
  dt-bindings: net: pse-pd: Add bindings for Si3474 PSE controller
  net: pse-pd: Add Si3474 PSE controller driver

 .../bindings/net/pse-pd/skyworks,si3474.yaml  | 146 ++++
 drivers/net/pse-pd/Kconfig                    |  10 +
 drivers/net/pse-pd/Makefile                   |   1 +
 drivers/net/pse-pd/si3474.c                   | 654 ++++++++++++++++++
 4 files changed, 811 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/pse-pd/skyworks,si3474.yaml
 create mode 100644 drivers/net/pse-pd/si3474.c

-- 
2.43.0


Piotr Kubik

piotr.kubik@...ran.com
www.adtran.com