linux-kernel - [PATCH net v2 1/3] dt-bindings: net: thead,th1520-gmac: Describe APB interface clock

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Message-ID: <20250801091240.46114-2-ziyao@disroot.org>
Date: Fri,  1 Aug 2025 09:12:38 +0000
From: Yao Zi <ziyao@...root.org>
To: Drew Fustini <fustini@...nel.org>,
	Guo Ren <guoren@...nel.org>,
	Fu Wei <wefu@...hat.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>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Alexandre Ghiti <alex@...ti.fr>,
	Emil Renner Berthing <emil.renner.berthing@...onical.com>,
	Jisheng Zhang <jszhang@...nel.org>
Cc: linux-riscv@...ts.infradead.org,
	netdev@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Yao Zi <ziyao@...root.org>
Subject: [PATCH net v2 1/3] dt-bindings: net: thead,th1520-gmac: Describe APB interface clock

Besides ones for GMAC core and peripheral registers, the TH1520 GMAC
requires one more clock for configuring APB glue registers. Describe
it in the binding.

Fixes: f920ce04c399 ("dt-bindings: net: Add T-HEAD dwmac support")
Signed-off-by: Yao Zi <ziyao@...root.org>
Tested-by: Drew Fustini <fustini@...nel.org>
---
 .../devicetree/bindings/net/thead,th1520-gmac.yaml          | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/net/thead,th1520-gmac.yaml b/Documentation/devicetree/bindings/net/thead,th1520-gmac.yaml
index 6d9de3303762..b3492a9aa4ef 100644
--- a/Documentation/devicetree/bindings/net/thead,th1520-gmac.yaml
+++ b/Documentation/devicetree/bindings/net/thead,th1520-gmac.yaml
@@ -62,11 +62,13 @@ properties:
     items:
       - description: GMAC main clock
       - description: Peripheral registers interface clock
+      - description: APB glue registers interface clock
 
   clock-names:
     items:
       - const: stmmaceth
       - const: pclk
+      - const: apb
 
   interrupts:
     items:
@@ -88,8 +90,8 @@ examples:
         compatible = "thead,th1520-gmac", "snps,dwmac-3.70a";
         reg = <0xe7070000 0x2000>, <0xec003000 0x1000>;
         reg-names = "dwmac", "apb";
-        clocks = <&clk 1>, <&clk 2>;
-        clock-names = "stmmaceth", "pclk";
+        clocks = <&clk 1>, <&clk 2>, <&clk 3>;
+        clock-names = "stmmaceth", "pclk", "apb";
         interrupts = <66>;
         interrupt-names = "macirq";
         phy-mode = "rgmii-id";
-- 
2.50.1