linux-kernel - [PATCH 9/9] arm64: dts: apple: t8015: Add NVMe nodes

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Message-Id: <20250811-t8015-nvme-v1-9-ef9c200e74a7@gmail.com>
Date: Mon, 11 Aug 2025 21:51:01 +0800
From: Nick Chan <towinchenmi@...il.com>
To: Sven Peter <sven@...nel.org>, Janne Grunau <j@...nau.net>, 
 Alyssa Rosenzweig <alyssa@...enzweig.io>, Neal Gompa <neal@...pa.dev>, 
 Jassi Brar <jassisinghbrar@...il.com>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Hector Martin <marcan@...can.st>, 
 Joerg Roedel <joro@...tes.org>, Will Deacon <will@...nel.org>, 
 Robin Murphy <robin.murphy@....com>, Keith Busch <kbusch@...nel.org>, 
 Jens Axboe <axboe@...nel.dk>, Christoph Hellwig <hch@....de>, 
 Sagi Grimberg <sagi@...mberg.me>
Cc: asahi@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org, 
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, 
 iommu@...ts.linux.dev, linux-nvme@...ts.infradead.org, 
 Nick Chan <towinchenmi@...il.com>
Subject: [PATCH 9/9] arm64: dts: apple: t8015: Add NVMe nodes

Add nodes for NVMe and associated mailbox and sart for Apple A11 SoC.

Signed-off-by: Nick Chan <towinchenmi@...il.com>
---
 arch/arm64/boot/dts/apple/t8015.dtsi | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/arch/arm64/boot/dts/apple/t8015.dtsi b/arch/arm64/boot/dts/apple/t8015.dtsi
index 12acf8fc8bc6bcde6b11773cadd97e9ee115f510..84acf2839fb6279dcc956e1f4cee1afa909d2f27 100644
--- a/arch/arm64/boot/dts/apple/t8015.dtsi
+++ b/arch/arm64/boot/dts/apple/t8015.dtsi
@@ -402,6 +402,40 @@ pinctrl_smc: pinctrl@...024000 {
 			 */
 			status = "disabled";
 		};
+
+		ans_mbox: mbox@...008000 {
+			compatible = "apple,t8015-asc-mailbox";
+			reg = <0x2 0x57008000 0x0 0x4000>;
+			interrupt-parent = <&aic>;
+			interrupts = <AIC_IRQ 265 IRQ_TYPE_LEVEL_HIGH>,
+				<AIC_IRQ 266 IRQ_TYPE_LEVEL_HIGH>,
+				<AIC_IRQ 267 IRQ_TYPE_LEVEL_HIGH>,
+				<AIC_IRQ 268 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "send-empty", "send-not-empty",
+				"recv-empty", "recv-not-empty";
+			#mbox-cells = <0>;
+			power-domains = <&ps_ans2>;
+		};
+
+		sart: iommu@...c50000 {
+			compatible = "apple,t8015-sart";
+			reg = <0x2 0x59c50000 0x0 0x10000>;
+			power-domains = <&ps_ans2>;
+		};
+
+		nvme@...cc0000 {
+			compatible = "apple,t8015-nvme-ans2";
+			reg = <0x2 0x59cc0000 0x0 0x40000>,
+				<0x2 0x59d20000 0x0 0x2000>;
+			reg-names = "nvme", "ans";
+			interrupt-parent = <&aic>;
+			interrupts = <AIC_IRQ 270 IRQ_TYPE_LEVEL_HIGH>;
+			mboxes = <&ans_mbox>;
+			apple,sart = <&sart>;
+			power-domains = <&ps_ans2>, <&ps_pcie>;
+			power-domain-names = "ans", "apcie0";
+			resets = <&ps_ans2>;
+		};
 	};
 
 	timer {

-- 
2.50.1