linux-kernel - [PATCH v2 3/5] net: cadence: macb: Enable RMII for SAMA7 gem

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Message-ID: <6698836e4ee7df5f6bee181f0d2e38d4b8e4cec2.1752510727.git.Ryan.Wanner@microchip.com>
Date: Mon, 14 Jul 2025 09:37:01 -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 3/5] net: cadence: macb: Enable RMII for SAMA7 gem

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

This macro enables the RMII mode bit in the USRIO register when RMII
mode is requested.

Signed-off-by: Ryan Wanner <Ryan.Wanner@...rochip.com>
---
 drivers/net/ethernet/cadence/macb_main.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 9ebe1062b359..51667263c01d 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -5103,6 +5103,7 @@ static const struct macb_config mpfs_config = {
 
 static const struct macb_config sama7g5_gem_config = {
 	.caps = MACB_CAPS_GIGABIT_MODE_AVAILABLE | MACB_CAPS_CLK_HW_CHG |
+		MACB_CAPS_USRIO_DEFAULT_IS_MII_GMII |
 		MACB_CAPS_MIIONRGMII | MACB_CAPS_GEM_HAS_PTP,
 	.dma_burst_length = 16,
 	.clk_init = macb_clk_init,
-- 
2.43.0