linux-kernel - [PATCH v2 1/5] dt-bindings: net: rockchip-dwmac: Add compatible string for RK3528

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Message-ID: <20250309232622.1498084-2-jonas@kwiboo.se>
Date: Sun,  9 Mar 2025 23:26:11 +0000
From: Jonas Karlman <jonas@...boo.se>
To: Heiko Stuebner <heiko@...ech.de>,
	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>,
	David Wu <david.wu@...k-chips.com>
Cc: Yao Zi <ziyao@...root.org>,
	netdev@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Jonas Karlman <jonas@...boo.se>
Subject: [PATCH v2 1/5] dt-bindings: net: rockchip-dwmac: Add compatible string for RK3528

Rockchip RK3528 has two Ethernet controllers based on Synopsys DWC
Ethernet QoS IP.

Add compatible string for the RK3528 variant.

Signed-off-by: Jonas Karlman <jonas@...boo.se>
---
Changes in v2:
- Restrict the minItems: 4 change to rockchip,rk3528-gmac

The enum will be extended in a future patch, Pending RK3562 and a future
RK3506 variant also only have 4 clocks.

Because snps,dwmac-4.20a is already listed in snps,dwmac.yaml adding the
rockchip,rk3528-gmac compatible did not seem necessary.
---
 .../devicetree/bindings/net/rockchip-dwmac.yaml  | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml b/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
index 8dd870f0214d..fe417c19b597 100644
--- a/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
+++ b/Documentation/devicetree/bindings/net/rockchip-dwmac.yaml
@@ -24,6 +24,7 @@ select:
           - rockchip,rk3366-gmac
           - rockchip,rk3368-gmac
           - rockchip,rk3399-gmac
+          - rockchip,rk3528-gmac
           - rockchip,rk3568-gmac
           - rockchip,rk3576-gmac
           - rockchip,rk3588-gmac
@@ -49,6 +50,7 @@ properties:
               - rockchip,rv1108-gmac
       - items:
           - enum:
+              - rockchip,rk3528-gmac
               - rockchip,rk3568-gmac
               - rockchip,rk3576-gmac
               - rockchip,rk3588-gmac
@@ -56,7 +58,7 @@ properties:
           - const: snps,dwmac-4.20a
 
   clocks:
-    minItems: 5
+    minItems: 4
     maxItems: 8
 
   clock-names:
@@ -130,6 +132,18 @@ allOf:
       properties:
         rockchip,php-grf: false
 
+  - if:
+      not:
+        properties:
+          compatible:
+            contains:
+              enum:
+                - rockchip,rk3528-gmac
+    then:
+      properties:
+        clocks:
+          minItems: 5
+
 unevaluatedProperties: false
 
 examples:
-- 
2.48.1