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3 Commits

Author SHA1 Message Date
Sven Peter
07049187e8 dt-bindings: rtc: Add Apple SMC RTC 
Apple Silicon Macs (M1, etc.) have an RTC that is part of the PMU IC,
but most of the PMU functionality is abstracted out by the SMC.
An additional RTC offset stored inside NVMEM is required to compute
the current date/time.

Reviewed-by: Mark Kettenis <kettenis@openbsd.org>
Reviewed-by: Neal Gompa <neal@gompa.dev>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Sven Peter <sven@kernel.org>
Signed-off-by: James Calligeros <jcalligeros99@gmail.com>
Reviewd-by: Mark Kettenis <kettenis@openbsd.org>
Link: https://patch.msgid.link/20251112-macsmc-subdevs-v5-1-728e4b91fe81@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
 2025-12-08 22:41:59 +01:00
Janne Grunau
b7e4229a5a dt-bindings: mfd: apple,smc: Add t6020-smc compatible 
After discussion with the devicetree maintainers we agreed to not extend
lists with the generic compatible "apple,smc" anymore [1]. Use
"apple,t8103-smc" as base compatible as it is the SoC the driver and
bindings were written for.

SMC on Apple's M2 Pro/Max/Ultra SoCs is compatible with the existing
driver so add its per-SoC compatible with the new base compatible as
fallback used by the driver.

[1]: https://lore.kernel.org/asahi/12ab93b7-1fc2-4ce0-926e-c8141cfe81bf@kernel.org/

Reviewed-by: Neal Gompa <neal@gompa.dev>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Janne Grunau <j@jannau.net>
 2025-09-14 21:50:35 +02:00
Russell King (Oracle)
dbad719958 dt-bindings: mfd: Add Apple Mac System Management Controller 
Add a DT binding for the Apple Mac System Management Controller.

Signed-off-by: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Neal Gompa <neal@gompa.dev>
Signed-off-by: Sven Peter <sven@kernel.org>
Link: https://lore.kernel.org/r/20250610-smc-6-15-v7-3-556cafd771d3@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
 2025-07-24 09:47:33 +01:00