]> git.ipfire.org Git - thirdparty/kernel/linux.git/commitdiff
arm64: dts: apple: t8103: Mark ATC USB AON domains as always-on
authorHector Martin <marcan@marcan.st>
Thu, 8 Jan 2026 21:04:02 +0000 (22:04 +0100)
committerSven Peter <sven@kernel.org>
Tue, 13 Jan 2026 07:01:43 +0000 (08:01 +0100)
Shutting these down breaks dwc3 init done by the firmware. We probably
never want to do this anyway. "always-on" is a plausible interpretation
of the "aon" suffix.
The t8112, t600x and t602x "ps_atc?_usb_aon" power-controller nodes are
have already "apple,always-on" properties.

Signed-off-by: Hector Martin <marcan@marcan.st>
Signed-off-by: Janne Grunau <j@jannau.net>
Link: https://patch.msgid.link/20260108-apple-dt-pmgr-fixes-v1-2-cfdce629c0a8@jannau.net
[sven: removed stale comment about PHY from commit message]
Signed-off-by: Sven Peter <sven@kernel.org>
arch/arm64/boot/dts/apple/t8103-pmgr.dtsi

index c41c57d63997a59a9fe3c88de31fddb31781398e..4bfe0d2de30ad6f975b31d443b62ef0e74b14324 100644 (file)
                #power-domain-cells = <0>;
                #reset-cells = <0>;
                label = "atc0_usb_aon";
+               apple,always-on; /* Needs to stay on for dwc3 to work */
        };
 
        ps_atc1_usb_aon: power-controller@90 {
                #power-domain-cells = <0>;
                #reset-cells = <0>;
                label = "atc1_usb_aon";
+               apple,always-on; /* Needs to stay on for dwc3 to work */
        };
 
        ps_atc0_usb: power-controller@98 {