linux-kernel - [PATCH 5/5] arm64: dts: ti: k3-am62a: use a specific MCU controller compatible

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Date: Sat, 18 May 2024 22:07:20 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Kishon Vijay Abraham I <kishon@...nel.org>, 
 Roger Quadros <rogerq@...nel.org>, Nishanth Menon <nm@...com>, 
 Vignesh Raghavendra <vigneshr@...com>, Tero Kristo <kristo@...nel.org>
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 5/5] arm64: dts: ti: k3-am62a: use a specific MCU
 controller compatible

SoCs (and associated MCUs) should use dedicated compatibles for their
nodes, not re-use one coming from an another SoC.  Using an incorrect
compatible does not allow to properly match/validate children of the
MCU device and causes dtbs_check warnings:

  k3-am62a7-sk.dtb: syscon@...00000: 'syscon@...8', 'syscon@...8' do not match any of the regexes:
    '^chipid@[0-9a-f]+$', '^clock-controller@[0-9a-f]+$', '^mux-controller@[0-9a-f]+$', 'phy@[0-9a-f]+$', 'pinctrl-[0-9]+'

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
 arch/arm64/boot/dts/ti/k3-am62a-wakeup.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/ti/k3-am62a-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-wakeup.dtsi
index 98043e9aa316..d12c8c194a46 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62a-wakeup.dtsi
@@ -7,7 +7,7 @@
 
 &cbass_wakeup {
 	wkup_conf: syscon@...00000 {
-		compatible = "ti,j721e-system-controller", "syscon", "simple-mfd";
+		compatible = "ti,am62a-system-controller", "syscon", "simple-mfd";
 		reg = <0x00 0x43000000 0x00 0x20000>;
 		#address-cells = <1>;
 		#size-cells = <1>;

-- 
2.43.0