mbox series

[v2,0/3] Generic SPMI NVMEM cell driver

Message ID 20250417-spmi-nvmem-v2-0-b88851e34afb@gmail.com (mailing list archive)
Headers show
Series Generic SPMI NVMEM cell driver | expand

Message

Sasha Finkelstein April 17, 2025, 8:14 p.m. UTC 
Hi.

This patch series adds a driver for exposing a set of SPMI registers
as NVMEM cells. This is used on Apple ARM platforms to store the RTC
offset and to communicate platform power state between the OS and
boot firmware.

The NVMEM cell consumer drivers will be sent in a further series.

Signed-off-by: Sasha Finkelstein <fnkl.kernel@gmail.com>
---
Changes in v2:
- s/pmu/pmic/
- Sort dts in unit-order, instead of t600x-unit-order
- Link to v1: https://lore.kernel.org/r/20250415-spmi-nvmem-v1-0-22067be253cf@gmail.com

---
Hector Martin (2):
      nvmem: Add spmi-nvmem driver
      arm64: dts: apple: Add PMU NVMEM

Sasha Finkelstein (1):
      dt-bindings: spmi: Add generic SPMI NVMEM

 .../devicetree/bindings/nvmem/spmi-nvmem.yaml      | 54 +++++++++++++++++++
 MAINTAINERS                                        |  2 +
 arch/arm64/boot/dts/apple/t6001.dtsi               |  1 +
 arch/arm64/boot/dts/apple/t6002.dtsi               |  1 +
 arch/arm64/boot/dts/apple/t600x-die0.dtsi          | 50 +++++++++++++++++
 arch/arm64/boot/dts/apple/t8103.dtsi               | 50 +++++++++++++++++
 arch/arm64/boot/dts/apple/t8112.dtsi               | 50 +++++++++++++++++
 drivers/nvmem/Kconfig                              | 13 +++++
 drivers/nvmem/Makefile                             |  2 +
 drivers/nvmem/spmi-nvmem.c                         | 62 ++++++++++++++++++++++
 10 files changed, 285 insertions(+)
---
base-commit: 2e0e70c95077172b29a5b13716c4b159d578e82c
change-id: 20250415-spmi-nvmem-e08635316175

Best regards,