Re: [PATCH v3 9/9] arm64: dts: apple: Add minimal t8132 (M4) device trees
Linus Walleij <[email protected]>
| Newsgroups | org.kernel.vger.linux-i2c,dev.linux.lists.asahi,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-gpio,org.kernel.vger.linux-kernel,org.kernel.vger.linux-pwm |
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| Message-ID | <CAD++jLkRs5m1m3Y3vBfXvxn13i-3cMXhcEWq5ScD-xbN9uta5A@mail.gmail.com> |
On Tue, Aug 11, 2026 at 9:37 PM Yureka Lilian <[email protected]> wrote: > Added device trees for the following devices: > - apple,j604 - MacBook Pro (14-inch, M4, 2024) > - apple,j623 - iMac (24-inch, 2x USB-C, M4, 2024) > - apple,j624 - iMac (24-inch, 4x USB-C, M4, 2024) > - apple,j713 - MacBook Air (13-inch, M4, 2025) > - apple,j715 - MacBook Air (15-inch, M4, 2025) > - apple,j773g - Mac mini (M4, 2024) > > The device trees have a minimal set of devices limited to CPU cores, > interrupt controller, power states, watchdog, serial, pin controller, > i2c and framebuffer. > The device trees for the notebooks add a PWM controller for the keyboard > LED illumination. > > Using the macOS 26.6 iBoot/firmware, the Mac mini reliably boots on a > single core using the stock kernel. > Booting with smp requires avoiding the wfi and wfit instructions > in the idle loop and `delay()` respectively, since those instructions > cause a loss of architectural state on the secondary cores, and even > then boot is unreliable. > > Signed-off-by: Yureka Lilian <[email protected]> Reviewed-by: Linus Walleij <[email protected]> Yours, Linus Walleij