linux-kernel - [PATCH 2/2] arm64: dts: juno: add dedicated FPGA syscon compatible

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Date: Sat, 18 May 2024 22:39:03 +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>,
	Liviu Dudau <liviu.dudau@....com>,
	Sudeep Holla <sudeep.holla@....com>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
	Jiaxun Yang <jiaxun.yang@...goat.com>
Subject: [PATCH 2/2] arm64: dts: juno: add dedicated FPGA syscon compatible

Each syscon node must come with a dedicated/specific compatible, which
is also reported by dtbs_check:

  juno.dtb: apbregs@...00: compatible: ['syscon', 'simple-mfd'] is too short

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

---

Cc: Jiaxun Yang <jiaxun.yang@...goat.com>
---
 arch/arm64/boot/dts/arm/juno-motherboard.dtsi | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/arm/juno-motherboard.dtsi b/arch/arm64/boot/dts/arm/juno-motherboard.dtsi
index be42932f7e21..6ca73f41408d 100644
--- a/arch/arm64/boot/dts/arm/juno-motherboard.dtsi
+++ b/arch/arm64/boot/dts/arm/juno-motherboard.dtsi
@@ -158,7 +158,8 @@ v2m_sysctl: sysctl@...00 {
 				};
 
 				apbregs@...00 {
-					compatible = "syscon", "simple-mfd";
+					compatible = "arm,juno-fpga-apb-regs",
+						     "syscon", "simple-mfd";
 					reg = <0x010000 0x1000>;
 					ranges = <0x0 0x10000 0x1000>;
 					#address-cells = <1>;
-- 
2.43.0