From: Hector Martin <marcan@marcan.st>
Date: Tue, 10 Jun 2025 15:29:50 +0000 (+0000)
Subject: arm64: dts: apple: t8112: Add SMC node
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=49765a617a54837910b26978bb0dc01908a673e2;p=users%2Fhch%2Fmisc.git

arm64: dts: apple: t8112: Add SMC node

Signed-off-by: Hector Martin <marcan@marcan.st>
Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Neal Gompa <neal@gompa.dev>
Link: https://lore.kernel.org/r/20250610-smc-6-15-v7-9-556cafd771d3@kernel.org
Signed-off-by: Sven Peter <sven@kernel.org>
---

diff --git a/arch/arm64/boot/dts/apple/t8112.dtsi b/arch/arm64/boot/dts/apple/t8112.dtsi
index b36b345861b6..3f79878b25af 100644
--- a/arch/arm64/boot/dts/apple/t8112.dtsi
+++ b/arch/arm64/boot/dts/apple/t8112.dtsi
@@ -899,6 +899,41 @@
 			};
 		};
 
+		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>;
+				nvmem-cell-names = "shutdown_flag", "boot_stage",
+					"boot_error_count", "panic_count";
+			};
+		};
+
+		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>;