[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