linux-kernel - [PATCH v4 3/4] arm64: dts: apple: t8015: Fix PCIE power domains dependencies

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Message-Id: <20250825-t8015-nvme-v4-3-6ffc8f891b6e@gmail.com>
Date: Mon, 25 Aug 2025 17:15:06 +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>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 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, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-nvme@...ts.infradead.org, Nick Chan <towinchenmi@...il.com>
Subject: [PATCH v4 3/4] arm64: dts: apple: t8015: Fix PCIE power domains
 dependencies

Fix the dependency topology of PCIE power domain nodes, as required by ANS2
NVME controller.

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

diff --git a/arch/arm64/boot/dts/apple/t8015-pmgr.dtsi b/arch/arm64/boot/dts/apple/t8015-pmgr.dtsi
index e238c2d2732f7944dc1f984a4eb647ba212b9ea5..1d8da9c7863e5b7a732888342de9d481f309edd8 100644
--- a/arch/arm64/boot/dts/apple/t8015-pmgr.dtsi
+++ b/arch/arm64/boot/dts/apple/t8015-pmgr.dtsi
@@ -658,6 +658,7 @@ ps_pcie: power-controller@...18 {
 		#power-domain-cells = <0>;
 		#reset-cells = <0>;
 		label = "pcie";
+		power-domains = <&ps_pcie_aux>, <&ps_pcie_direct>, <&ps_pcie_ref>;
 	};
 
 	ps_pcie_aux: power-controller@...20 {

-- 
2.51.0