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arm64: dts: apple: t8103,t60xx,t8112: Add SMC RTC node

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The System Manager Controller of all M1/M2 SoCs supports the RTC
sub-device.

Reviewed-by: Neal Gompa <neal@gompa.dev>
Signed-off-by: James Calligeros <jcalligeros99@gmail.com>
Link: https://patch.msgid.link/20251215-macsmc-subdevs-v6-6-0518cb5f28ae@gmail.com
Signed-off-by: Sven Peter <sven@kernel.org>
This commit is contained in:
Sven Peter 2025-12-15 19:37:50 +10:00
parent 8f0b4cce44
commit faf317d4c7
4 changed files with 24 additions and 0 deletions
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6
arch/arm64/boot/dts/apple/t600x-die0.dtsi
View File

@ -44,6 +44,12 @@ smc_reboot: reboot {
nvmem-cell-names = "shutdown_flag", "boot_stage",
"boot_error_count", "panic_count";
};
rtc {
compatible = "apple,smc-rtc";
nvmem-cells = <&rtc_offset>;
nvmem-cell-names = "rtc_offset";
};
};
smc_mbox: mbox@290408000 {

6
arch/arm64/boot/dts/apple/t602x-die0.dtsi
View File

@ -121,6 +121,12 @@ smc_reboot: reboot {
nvmem-cell-names = "shutdown_flag", "boot_stage",
"boot_error_count", "panic_count";
};
rtc {
compatible = "apple,smc-rtc";
nvmem-cells = <&rtc_offset>;
nvmem-cell-names = "rtc_offset";
};
};
pinctrl_smc: pinctrl@2a2820000 {

6
arch/arm64/boot/dts/apple/t8103.dtsi
View File

@ -916,6 +916,12 @@ smc_reboot: reboot {
nvmem-cell-names = "shutdown_flag", "boot_stage",
"boot_error_count", "panic_count";
};
rtc {
compatible = "apple,smc-rtc";
nvmem-cells = <&rtc_offset>;
nvmem-cell-names = "rtc_offset";
};
};
smc_mbox: mbox@23e408000 {

6
arch/arm64/boot/dts/apple/t8112.dtsi
View File

@ -919,6 +919,12 @@ smc_reboot: reboot {
nvmem-cell-names = "shutdown_flag", "boot_stage",
"boot_error_count", "panic_count";
};
rtc {
compatible = "apple,smc-rtc";
nvmem-cells = <&rtc_offset>;
nvmem-cell-names = "rtc_offset";
};
};
smc_mbox: mbox@23e408000 {