linux-kernel - [PATCH v2 net-next 1/2] net: stmmac: qcom-ethqos: add support for 2.5G BASEX mode

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Date: Thu, 27 Jun 2024 13:39:46 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Vinod Koul <vkoul@...nel.org>,
	Alexandre Torgue <alexandre.torgue@...s.st.com>,
	Jose Abreu <joabreu@...opsys.com>,
	"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>
Cc: netdev@...r.kernel.org,
	linux-arm-msm@...r.kernel.org,
	linux-stm32@...md-mailman.stormreply.com,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH v2 net-next 1/2] net: stmmac: qcom-ethqos: add support for 2.5G BASEX mode

From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>

Add support for 2.5G speed in 2500BASEX mode to the QCom ethqos driver.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
---
 .../net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c   | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
index 80eb72bc6311..91fe57a3e59e 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
@@ -665,6 +665,14 @@ static int ethqos_configure_sgmii(struct qcom_ethqos *ethqos)
 	return val;
 }
 
+static void qcom_ethqos_speed_mode_2500(struct net_device *ndev, void *data)
+{
+	struct stmmac_priv *priv = netdev_priv(ndev);
+
+	priv->plat->max_speed = 2500;
+	priv->plat->phy_interface = PHY_INTERFACE_MODE_2500BASEX;
+}
+
 static int ethqos_configure(struct qcom_ethqos *ethqos)
 {
 	return ethqos->configure_func(ethqos);
@@ -787,6 +795,9 @@ static int qcom_ethqos_probe(struct platform_device *pdev)
 	case PHY_INTERFACE_MODE_RGMII_TXID:
 		ethqos->configure_func = ethqos_configure_rgmii;
 		break;
+	case PHY_INTERFACE_MODE_2500BASEX:
+		plat_dat->speed_mode_2500 = qcom_ethqos_speed_mode_2500;
+		fallthrough;
 	case PHY_INTERFACE_MODE_SGMII:
 		ethqos->configure_func = ethqos_configure_sgmii;
 		break;
-- 
2.43.0