linux-kernel - [PATCH v2 5/5] ARM: dts: microchip: sama7g5: Add RMII ext refclk flag

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Message-ID: <8ea2d96c898ee7b57310b5155eee92efd4e25215.1752510727.git.Ryan.Wanner@microchip.com>
Date: Mon, 14 Jul 2025 09:37:03 -0700
From: <Ryan.Wanner@...rochip.com>
To: <andrew+netdev@...n.ch>, <davem@...emloft.net>, <edumazet@...gle.com>,
	<kuba@...nel.org>, <pabeni@...hat.com>, <robh@...nel.org>,
	<krzk+dt@...nel.org>, <conor+dt@...nel.org>, <nicolas.ferre@...rochip.com>,
	<alexandre.belloni@...tlin.com>, <claudiu.beznea@...on.dev>
CC: <netdev@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, "Ryan
 Wanner" <Ryan.Wanner@...rochip.com>
Subject: [PATCH v2 5/5] ARM: dts: microchip: sama7g5: Add RMII ext refclk flag

From: Ryan Wanner <Ryan.Wanner@...rochip.com>

The REFCLK for the RMII interface is provided by an extrenal source.

This flag matches the change in the macb driver to determine the REFCLK
source.

Signed-off-by: Ryan Wanner <Ryan.Wanner@...rochip.com>
---
 arch/arm/boot/dts/microchip/at91-sama7g5ek.dts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/microchip/at91-sama7g5ek.dts b/arch/arm/boot/dts/microchip/at91-sama7g5ek.dts
index 2543599013b1..3c898afdc313 100644
--- a/arch/arm/boot/dts/microchip/at91-sama7g5ek.dts
+++ b/arch/arm/boot/dts/microchip/at91-sama7g5ek.dts
@@ -542,6 +542,7 @@ &pinctrl_gmac1_mdio_default
 	phy-mode = "rmii";
 	nvmem-cells = <&eeprom1_eui48>;
 	nvmem-cell-names = "mac-address";
+	cdns,refclk-ext;
 	status = "okay"; /* Conflict with pdmc0. */
 
 	ethernet-phy@0 {
-- 
2.43.0