linux-kernel - [PATCH v2 resend] net: stmmac: add support for dwmac 5.20

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Message-ID: <20251119153526.13780-1-jszhang@kernel.org>
Date: Wed, 19 Nov 2025 23:35:26 +0800
From: Jisheng Zhang <jszhang@...nel.org>
To: 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>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Russell King <rmk+kernel@...linux.org.uk>
Cc: netdev@...r.kernel.org,
	linux-stm32@...md-mailman.stormreply.com,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 resend] net: stmmac: add support for dwmac 5.20

The dwmac 5.20 IP can be found on some synaptics SoCs. 

The binding doc has been already upstreamed by
commit 13f9351180aa ("dt-bindings: net: snps,dwmac: Add dwmac-5.20
version")

So we just need to add a compatibility flag in dwmac generic driver.

Signed-off-by: Jisheng Zhang <jszhang@...nel.org>
---
Since v1:
 - fix the commit msg

 drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c
index b9218c07eb6b..cecce6ed9aa6 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-generic.c
@@ -59,6 +59,7 @@ static const struct of_device_id dwmac_generic_match[] = {
 	{ .compatible = "snps,dwmac-3.72a"},
 	{ .compatible = "snps,dwmac-4.00"},
 	{ .compatible = "snps,dwmac-4.10a"},
+	{ .compatible = "snps,dwmac-5.20"},
 	{ .compatible = "snps,dwmac"},
 	{ .compatible = "snps,dwxgmac-2.10"},
 	{ .compatible = "snps,dwxgmac"},
-- 
2.51.0