Re: [PATCH 0/3] Apple Silicon SMC RTC driver

[Neal Gompa <neal@gompa.dev>]

On Tue, Aug 12, 2025 at 11:25 AM Sven Peter <sven@kernel.org> wrote:
>
> Hi,
>
> Now that the core mfd device has been upstream I've prepared one of the
> child drivers that is still missing: RTC support.
> This driver is required to read and set the hardware clock and requires
> a reference to an additional NVMEM cell to store the offset and thus
> requires a device tree node.
>
> The series applies cleanly to 6.17-rc1 but is based on a tree with three
> additional commits to add the SMC nodes to the DTS which didn't make it
> into 6.17. You can just ignore that and pretend this is based on
> 6.17-rc1 since I'll take the dts update through my tree anyway.
>
> Next to this SMC child driver we're still working on an input/misc HID
> driver for the powerbutton, a hwmon driver for the various sensors and a
> power-supply driver to manage the batteries.
>
> Best,
>
> Sven
>
> Signed-off-by: Sven Peter <sven@kernel.org>
> ---
> Hector Martin (1):
>       rtc: Add new rtc-macsmc driver for Apple Silicon Macs
>
> Sven Peter (2):
>       dt-bindings: rtc: Add Apple SMC RTC
>       arm64: dts: apple: t8103,t600x,t8112: Add SMC RTC node
>
>  .../devicetree/bindings/mfd/apple,smc.yaml         |   9 ++
>  .../devicetree/bindings/rtc/apple,smc-rtc.yaml     |  35 +++++
>  MAINTAINERS                                        |   2 +
>  arch/arm64/boot/dts/apple/t600x-die0.dtsi          |   6 +
>  arch/arm64/boot/dts/apple/t8103.dtsi               |   6 +
>  arch/arm64/boot/dts/apple/t8112.dtsi               |   6 +
>  drivers/mfd/macsmc.c                               |   1 +
>  drivers/rtc/Kconfig                                |  11 ++
>  drivers/rtc/Makefile                               |   1 +
>  drivers/rtc/rtc-macsmc.c                           | 141 +++++++++++++++++++++
>  10 files changed, 218 insertions(+)
> ---
> base-commit: 772c260c9c7f916c9a2508839df4f03fc19f3773
> change-id: 20250812-wip-smc-rtc-e856b6f24603
>

Series looks good to me, thanks for submitting them!

Reviewed-by: Neal Gompa <neal@gompa.dev>


-- 
真実はいつも一つ！/ Always, there's only one truth!