linux-kernel - [PATCH 2/2] dt-bindings: mfd: document syscons falling back to atmel,sama5d2-sfrbu

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Message-ID: <20251117-marlin-mustang-5ffda4d211c7@spud>
Date: Mon, 17 Nov 2025 16:29:31 +0000
From: Conor Dooley <conor@...nel.org>
To: linux-kernel@...r.kernel.org
Cc: conor@...nel.org,
	Conor Dooley <conor.dooley@...rochip.com>,
	Nicolas Ferre <nicolas.ferre@...rochip.com>,
	Alexandre Belloni <alexandre.belloni@...tlin.com>,
	Claudiu Beznea <claudiu.beznea@...on.dev>,
	Lee Jones <lee@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org
Subject: [PATCH 2/2] dt-bindings: mfd: document syscons falling back to atmel,sama5d2-sfrbu

From: Conor Dooley <conor.dooley@...rochip.com>

The sfrbu on both sama7g5 and sama6d65 both fall back to sama5d2 in
devicetrees, but the former two compatibles were undocumented. Now that
syscon.yaml has easy support for multiple soc-specific compatibles, add
both of these undocumented devices.

Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
---
CC: Nicolas Ferre <nicolas.ferre@...rochip.com>
CC: Alexandre Belloni <alexandre.belloni@...tlin.com>
CC: Claudiu Beznea <claudiu.beznea@...on.dev>
CC: Lee Jones <lee@...nel.org>
CC: Rob Herring <robh@...nel.org>
CC: Krzysztof Kozlowski <krzk+dt@...nel.org>
CC: Conor Dooley <conor+dt@...nel.org>
CC: devicetree@...r.kernel.org
CC: linux-kernel@...r.kernel.org
CC: linux-arm-kernel@...ts.infradead.org
CC: linux-mediatek@...ts.infradead.org
 Documentation/devicetree/bindings/mfd/syscon.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/mfd/syscon.yaml b/Documentation/devicetree/bindings/mfd/syscon.yaml
index 50f0012f4ebe..64829ecbb0b0 100644
--- a/Documentation/devicetree/bindings/mfd/syscon.yaml
+++ b/Documentation/devicetree/bindings/mfd/syscon.yaml
@@ -239,6 +239,12 @@ properties:
               - ti,j784s4-pcie-ctrl
               - ti,keystone-pllctrl
           - const: syscon
+      - items:
+          - enum:
+              - microchip,sama7g5-sfrbu
+              - microchip,sama7d65-sfrbu
+          - const: atmel,sama5d2-sfrbu
+          - const: syscon
       - items:
           - const: microchip,pic64gx-control-scb
           - const: microchip,mpfs-control-scb
-- 
2.51.0