linux-kernel - [PATCH net-next 2/2] net: stmmac: dwmac-qcom-ethqos: Enable support for 2500BASEX

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Date: Fri, 24 May 2024 18:36:53 +0530
From: Sneh Shah <quic_snehshah@...cinc.com>
To: Vinod Koul <vkoul@...nel.org>, Bhupesh Sharma <bhupesh.sharma@...aro.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>, 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,
        Andrew Halaney <ahalaney@...hat.com>,
        Russell King <linux@...linux.org.uk>
Cc: Sneh Shah <quic_snehshah@...cinc.com>, kernel@...cinc.com
Subject: [PATCH net-next 2/2] net: stmmac: dwmac-qcom-ethqos: Enable support for 2500BASEX

With integrated PCS qcom mac supports both SGMII and 2500BASEX mode.
Implement get_interfaces to add support for 2500BASEX.

Signed-off-by: Sneh Shah <quic_snehshah@...cinc.com>
---
 .../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 e254b21fdb59..dad6e2448475 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
@@ -731,6 +731,13 @@ static void ethqos_clks_disable(void *data)
 	ethqos_clks_config(data, false);
 }
 
+static void ethqos_get_interfaces(struct stmmac_priv *priv)
+{
+	if (priv->plat->phy_interface == PHY_INTERFACE_MODE_SGMII)
+		__set_bit(PHY_INTERFACE_MODE_2500BASEX,
+			  priv->phylink_config.supported_interfaces);
+};
+
 static void ethqos_ptp_clk_freq_config(struct stmmac_priv *priv)
 {
 	struct plat_stmmacenet_data *plat_dat = priv->plat;
@@ -786,6 +793,7 @@ static int qcom_ethqos_probe(struct platform_device *pdev)
 		ethqos->configure_func = ethqos_configure_rgmii;
 		break;
 	case PHY_INTERFACE_MODE_SGMII:
+	case PHY_INTERFACE_MODE_2500BASEX:
 		ethqos->configure_func = ethqos_configure_sgmii;
 		break;
 	default:
@@ -851,6 +859,9 @@ static int qcom_ethqos_probe(struct platform_device *pdev)
 		plat_dat->serdes_powerdown  = qcom_ethqos_serdes_powerdown;
 	}
 
+	if (plat_dat->flags & STMMAC_FLAG_HAS_INTEGRATED_PCS)
+		plat_dat->get_interfaces = ethqos_get_interfaces;
+
 	/* Enable TSO on queue0 and enable TBS on rest of the queues */
 	for (i = 1; i < plat_dat->tx_queues_to_use; i++)
 		plat_dat->tx_queues_cfg[i].tbs_en = 1;
-- 
2.17.1