[PATCH v7 08/10] arm64: dts: apple: t8103: Add SMC node
From: Sven Peter <sven@kernel.org>
Date: 2025-06-10 16:10:40
Also in:
asahi, b4-sent, linux-devicetree, linux-gpio, linux-pm, lkml
Subsystem:
arm/apple machine support, the rest · Maintainers:
Sven Peter, Janne Grunau, Linus Torvalds
From: Hector Martin <redacted> Signed-off-by: Hector Martin <redacted> Reviewed-by: Linus Walleij <redacted> Reviewed-by: Sven Peter <sven@kernel.org> Signed-off-by: Russell King (Oracle) <redacted> Reviewed-by: Alyssa Rosenzweig <redacted> Reviewed-by: Neal Gompa <neal@gompa.dev> Signed-off-by: Sven Peter <sven@kernel.org> --- arch/arm64/boot/dts/apple/t8103.dtsi | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+)
diff --git a/arch/arm64/boot/dts/apple/t8103.dtsi b/arch/arm64/boot/dts/apple/t8103.dtsi
index 20faf0c0d80927b2e18dd966a61b5507b322c72f..614f2986518cdefee6277e048377a27e22aee570 100644
--- a/arch/arm64/boot/dts/apple/t8103.dtsi
+++ b/arch/arm64/boot/dts/apple/t8103.dtsi@@ -836,6 +836,41 @@ wdt: watchdog@23d2b0000 { interrupts = <AIC_IRQ 338 IRQ_TYPE_LEVEL_HIGH>; }; + smc: smc@23e400000 { + compatible = "apple,t8103-smc", "apple,smc"; + reg = <0x2 0x3e400000 0x0 0x4000>, + <0x2 0x3fe00000 0x0 0x100000>; + reg-names = "smc", "sram"; + mboxes = <&smc_mbox>; + + smc_gpio: gpio { + compatible = "apple,smc-gpio"; + gpio-controller; + #gpio-cells = <2>; + }; + + smc_reboot: reboot { + compatible = "apple,smc-reboot"; + nvmem-cells = <&shutdown_flag>, <&boot_stage>, + <&boot_error_count>, <&panic_count>; + nvmem-cell-names = "shutdown_flag", "boot_stage", + "boot_error_count", "panic_count"; + }; + }; + + smc_mbox: mbox@23e408000 { + compatible = "apple,t8103-asc-mailbox", "apple,asc-mailbox-v4"; + reg = <0x2 0x3e408000 0x0 0x4000>; + interrupt-parent = <&aic>; + interrupts = <AIC_IRQ 400 IRQ_TYPE_LEVEL_HIGH>, + <AIC_IRQ 401 IRQ_TYPE_LEVEL_HIGH>, + <AIC_IRQ 402 IRQ_TYPE_LEVEL_HIGH>, + <AIC_IRQ 403 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "send-empty", "send-not-empty", + "recv-empty", "recv-not-empty"; + #mbox-cells = <0>; + }; + pinctrl_smc: pinctrl@23e820000 { compatible = "apple,t8103-pinctrl", "apple,pinctrl"; reg = <0x2 0x3e820000 0x0 0x4000>;
--
2.34.1