[PATCH v4 8/9] arm64: dts: apple: t8112: Add SMC node

From: Sven Peter via B4 Relay
Date: Sat May 03 2025 - 06:08:48 EST


From: Hector Martin <marcan@xxxxxxxxx>

Signed-off-by: Hector Martin <marcan@xxxxxxxxx>
Signed-off-by: Sven Peter <sven@xxxxxxxxxxxxx>
---
arch/arm64/boot/dts/apple/t8112.dtsi | 35 +++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)

diff --git a/arch/arm64/boot/dts/apple/t8112.dtsi b/arch/arm64/boot/dts/apple/t8112.dtsi
index e95711d8337f6cea898e88a3d564caf2c4f94404..861cf2f684a067d73f79d8f01447bc375136793d 100644
--- a/arch/arm64/boot/dts/apple/t8112.dtsi
+++ b/arch/arm64/boot/dts/apple/t8112.dtsi
@@ -839,6 +839,41 @@ rtc_offset: rtc-offset@f900 {
};
};

+ smc: smc@23e400000 {
+ compatible = "apple,t8112-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>, <&pm_setting>;
+ nvmem-cell-names = "shutdown_flag", "boot_stage",
+ "boot_error_count", "panic_count", "pm_setting";
+ };
+ };
+
+ smc_mbox: mbox@23e408000 {
+ compatible = "apple,t8112-asc-mailbox", "apple,asc-mailbox-v4";
+ reg = <0x2 0x3e408000 0x0 0x4000>;
+ interrupt-parent = <&aic>;
+ interrupts = <AIC_IRQ 499 IRQ_TYPE_LEVEL_HIGH>,
+ <AIC_IRQ 500 IRQ_TYPE_LEVEL_HIGH>,
+ <AIC_IRQ 501 IRQ_TYPE_LEVEL_HIGH>,
+ <AIC_IRQ 502 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,t8112-pinctrl", "apple,pinctrl";
reg = <0x2 0x3e820000 0x0 0x4000>;

--
2.34.1