[PATCH 0/3] spmi: Add SmartDV SPMI controller driver and bindings

vamshi gajjela vamshigajjela at google.com
Mon Nov 2 20:26:04 PST 2026


From: Vamshi Gajjela <vamshigajjela at google.com>

This series adds Device Tree bindings and a controller driver for the
SmartDV IP Solutions MIPI System Power Management Interface (SPMI) master
controller ("smartdv,spmi").

This IP is integrated in Google Tensor SoCs starting with the G5
generation (codename: laguna, canonically written as "lga",
"google,lga-spmi") to communicate with on-board Power Management ICs
(PMICs).

The controller supports MIPI SPMI v1.0 and v2.0 non-data bus commands
(RESET, SLEEP, SHUTDOWN, WAKEUP), register read/write, extended register
read/write, and extended register read/write long transfers up to 16 bytes.

Patch 1/3 adds the "smartdv" vendor prefix to vendor-prefixes.yaml.
Patch 2/3 documents the Device Tree bindings for the SmartDV SPMI
controller ("smartdv,spmi" and "google,lga-spmi").
Patch 3/3 adds the spmi-smartdv controller driver.

Vamshi Gajjela (3):
  dt-bindings: vendor-prefixes: Add smartdv
  dt-bindings: spmi: Add SmartDV SPMI controller
  spmi: Add SmartDV SPMI controller driver

 .../bindings/spmi/smartdv,spmi.yaml           | 126 +++++
 .../devicetree/bindings/vendor-prefixes.yaml  |   2 +
 MAINTAINERS                                   |   7 +
 drivers/spmi/Kconfig                          |  10 +
 drivers/spmi/Makefile                         |   1 +
 drivers/spmi/spmi-smartdv.c                   | 525 ++++++++++++++++++
 6 files changed, 671 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/spmi/smartdv,spmi.yaml
 create mode 100644 drivers/spmi/spmi-smartdv.c

-- 
2.56.0.317.g454f8302e1-goog




More information about the linux-arm-kernel mailing list