[PATCH v4 7/9] arm64: dts: apple: t8103: Add SMC node
From: Sven Peter via B4 Relay
Date: Sat May 03 2025 - 06:09:20 EST
From: Hector Martin <marcan@xxxxxxxxx>
Signed-off-by: Hector Martin <marcan@xxxxxxxxx>
Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Reviewed-by: Sven Peter <sven@xxxxxxxxxxxxx>
Signed-off-by: Russell King (Oracle) <rmk+kernel@xxxxxxxxxxxxxxx>
Signed-off-by: Sven Peter <sven@xxxxxxxxxxxxx>
---
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..58270e7d79b07ee98340f140972a6f0d14c86dcb 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>, <&pm_setting>;
+ nvmem-cell-names = "shutdown_flag", "boot_stage",
+ "boot_error_count", "panic_count", "pm_setting";
+ };
+ };
+
+ 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