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From: Andrew Davis <afd@ti.com>
To: Nishanth Menon <nm@ti.com>, Vignesh Raghavendra <vigneshr@ti.com>,
	"Tero Kristo" <kristo@kernel.org>, Rob Herring <robh@kernel.org>,
	"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>
Cc: <linux-arm-kernel@lists.infradead.org>,
	<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	Andrew Davis <afd@ti.com>
Subject: [PATCH 2/2] arm64: dts: ti: k3-j721s2: Make MAIN domain system control bus a simple-bus
Date: Tue, 3 Mar 2026 14:52:24 -0600	[thread overview]
Message-ID: <20260303205224.108217-2-afd@ti.com> (raw)
In-Reply-To: <20260303205224.108217-1-afd@ti.com>

This node describes a memory address range containing several sub-regions
with control registers for various IP in the MAIN domain of this SoC. It
was described as a "ti,j721e-system-controller" but this is a J721S2 SoC
with is not compatible with the system controller region found in J721e.

No project consuming this DT has been found that makes use of the syscon
compatible for this region, to prevent any from using this node like a
generic syscon region in the future, make this a normal simple-bus as
it should have been from the start.

Signed-off-by: Andrew Davis <afd@ti.com>
---
 arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
index 80c51b11ac9fa..774958aca880e 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
@@ -37,9 +37,8 @@ l3cache-sram@200000 {
 		};
 	};
 
-	scm_conf: syscon@104000 {
-		compatible = "ti,j721e-system-controller", "syscon", "simple-mfd";
-		reg = <0x00 0x00104000 0x00 0x18000>;
+	scm_conf: bus@104000 {
+		compatible = "simple-bus";
 		#address-cells = <1>;
 		#size-cells = <1>;
 		ranges = <0x00 0x00 0x00104000 0x18000>;
-- 
2.39.2



  reply	other threads:[~2026-03-03 20:52 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-03 20:52 [PATCH 1/2] arm64: dts: ti: k3-j7200: Make MAIN domain system control bus a simple-bus Andrew Davis
2026-03-03 20:52 ` Andrew Davis [this message]
2026-03-06  8:38 ` Krzysztof Kozlowski
2026-03-27  4:48 ` Vignesh Raghavendra

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