linux-kernel - [RFC net-next v1 5/7] dt-bindings: net: macb: add property indicating timer adjust mode

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Message-ID: <20251120-drudge-disloyal-9b8a88079905@spud>
Date: Thu, 20 Nov 2025 16:26:07 +0000
From: Conor Dooley <conor@...nel.org>
To: netdev@...r.kernel.org
Cc: conor@...nel.org,
	Conor Dooley <conor.dooley@...rochip.com>,
	Valentina.FernandezAlanis@...rochip.com,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Daire McNamara <daire.mcnamara@...rochip.com>,
	Paul Walmsley <pjw@...nel.org>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Alexandre Ghiti <alex@...ti.fr>,
	Nicolas Ferre <nicolas.ferre@...rochip.com>,
	Claudiu Beznea <claudiu.beznea@...on.dev>,
	Richard Cochran <richardcochran@...il.com>,
	Samuel Holland <samuel.holland@...ive.com>,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	Neil Armstrong <narmstrong@...libre.com>,
	Dave Stevenson <dave.stevenson@...pberrypi.com>,
	Sean Anderson <sean.anderson@...ux.dev>,
	Vineeth Karumanchi <vineeth.karumanchi@....com>,
	Abin Joseph <abin.joseph@....com>
Subject: [RFC net-next v1 5/7] dt-bindings: net: macb: add property indicating timer adjust mode

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

Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
---
 .../devicetree/bindings/net/cdns,macb.yaml        | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/cdns,macb.yaml b/Documentation/devicetree/bindings/net/cdns,macb.yaml
index 1029786a855c..4cea288412b5 100644
--- a/Documentation/devicetree/bindings/net/cdns,macb.yaml
+++ b/Documentation/devicetree/bindings/net/cdns,macb.yaml
@@ -116,6 +116,12 @@ properties:
   power-domains:
     maxItems: 1
 
+  cdns,timer-adjust:
+    type: boolean
+    description:
+      Set when the hardware is operating in timer-adjust mode, where the timer
+      is controlled by the gem_tsu_inc_ctrl and gem_tsu_ms inputs.
+
   cdns,refclk-ext:
     type: boolean
     description:
@@ -182,6 +188,15 @@ allOf:
       properties:
         reg:
           maxItems: 1
+  - if:
+      not:
+        properties:
+          compatible:
+            contains:
+              const: microchip,mpfs-macb
+    then:
+      properties:
+        cdns,timer-adjust: false
 
 unevaluatedProperties: false
 
-- 
2.51.0