Re: [PATCH 0/9] Initial Apple silicon M3 device trees and dt-bindings

[Neal Gompa]

On Fri, Mar 20, 2026 at 8:23 AM Janne Grunau <j@xxxxxxxxxx> wrote:
>
> Hej,
>
> This series adds initial device trees for M3 Apple silicon devices. The
> device trees contain only a minimal set of hardware not going much
> beyond the minimum required for booting kernel and initramfs and
> verify via serial console that the hardware and drivers work.
> The hardware with the exception of the interrupt controller is
> compatible with the M1 and M2 SoCs and the existing drivers.
> Changes for the interrupt controller were sent separately in [1] and are
> picked up and in linux-next. The device trees pass make dtbs_check with
> the apple,aic2 dt-bindings change from that series.
>
> Link: https://lore.kernel.org/asahi/20260223-irq-apple-aic3-v3-0-2b7328076b8d@xxxxxxxxxx/ [1]
>
> Signed-off-by: Janne Grunau <j@xxxxxxxxxx>
> ---
> Janne Grunau (9):
>       dt-bindings: arm: cpus: Add Apple M3 CPU core compatibles
>       dt-bindings: arm: apple: apple,pmgr: Add t8122 compatible
>       dt-bindings: power: apple,pmgr-pwrstate: Add t8122 compatible
>       dt-bindings: watchdog: apple,wdt: Add t8122 compatible
>       dt-bindings: pinctrl: apple,pinctrl: Add t8122 compatible
>       dt-bindings: i2c: apple,i2c: Add t8122 compatible
>       dt-bindings: pwm: apple,s5l-fpwm: Add t8122 compatible
>       dt-bindings: arm: apple: Add M3 based devices
>       arm64: dts: apple: Initial t8122 (M3) device trees
>
>  Documentation/devicetree/bindings/arm/apple.yaml   |   18 +
>  .../devicetree/bindings/arm/apple/apple,pmgr.yaml  |    4 +-
>  Documentation/devicetree/bindings/arm/cpus.yaml    |    2 +
>  .../devicetree/bindings/i2c/apple,i2c.yaml         |    4 +-
>  .../devicetree/bindings/pinctrl/apple,pinctrl.yaml |    4 +-
>  .../bindings/power/apple,pmgr-pwrstate.yaml        |    4 +-
>  .../devicetree/bindings/pwm/apple,s5l-fpwm.yaml    |    1 +
>  .../devicetree/bindings/watchdog/apple,wdt.yaml    |    4 +-
>  arch/arm64/boot/dts/apple/Makefile                 |    5 +
>  arch/arm64/boot/dts/apple/t8122-j433.dts           |   19 +
>  arch/arm64/boot/dts/apple/t8122-j434.dts           |   19 +
>  arch/arm64/boot/dts/apple/t8122-j504.dts           |   37 +
>  arch/arm64/boot/dts/apple/t8122-j613.dts           |   35 +
>  arch/arm64/boot/dts/apple/t8122-j615.dts           |   35 +
>  arch/arm64/boot/dts/apple/t8122-jxxx.dtsi          |   48 +
>  arch/arm64/boot/dts/apple/t8122-pmgr.dtsi          | 1149 ++++++++++++++++++++
>  arch/arm64/boot/dts/apple/t8122-usbpd-i2c.dtsi     |   32 +
>  arch/arm64/boot/dts/apple/t8122.dtsi               |  444 ++++++++
>  18 files changed, 1859 insertions(+), 5 deletions(-)
> ---
> base-commit: 6de23f81a5e08be8fbf5e8d7e9febc72a5b5f27f
> change-id: 20260319-apple-m3-initial-devicetrees-5c546ad977a2
>

LGTM.

Reviewed-by: Neal Gompa <neal@xxxxxxxxx>

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