[PATCH net-next v3 0/2] Add Si3474 PSE controller driver

[Piotr Kubik <piotr.kubik@adtran.com>]

From: Piotr Kubik <piotr.kubik@adtran.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 power,
- get port voltage,
- enable/disable port power

Signed-off-by: Piotr Kubik <piotr.kubik@adtran.com>
---

Changes in v3:
  - Use _scoped version of for_each_child_of_node().
  - Remove redundant return value assignments in si3474_get_of_channels().
  - Change dev_info() to dev_dbg() on successful probe.
  - Rename all instances of "slave" to "secondary".
  - Register devm cleanup action for ancillary i2c, simplifying cleanup logic in si3474_i2c_probe().
  - Add explicit return 0 on successful probe.
  - Drop unnecessary .remove callback.
  - Update channel node description in device tree binding documentation.
  - Reorder reg and reg-names properties in device tree binding documentation.
  - Rename all "slave" references to "secondary" in device tree bindings documentation.
  - Link to v2: https://lore.kernel.org/netdev/bf9e5c77-512d-4efb-ad1d-f14120c4e06b@adtran.com

Changes in 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
  - Link to 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  | 144 ++++
 drivers/net/pse-pd/Kconfig                    |  10 +
 drivers/net/pse-pd/Makefile                   |   1 +
 drivers/net/pse-pd/si3474.c                   | 649 ++++++++++++++++++
 4 files changed, 804 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@adtran.com
www.adtran.com