From nobody Sun Feb 8 11:45:24 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C4CC7CDB474 for ; Tue, 17 Oct 2023 09:44:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234981AbjJQJoI (ORCPT ); Tue, 17 Oct 2023 05:44:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50156 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343522AbjJQJn5 (ORCPT ); Tue, 17 Oct 2023 05:43:57 -0400 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.154.123]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 12ABE132; Tue, 17 Oct 2023 02:43:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1697535835; x=1729071835; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Ba6HwTPkRbCSwIWA3B8GnzRPuOLHu7vKRu2yrTlZQOk=; b=p/c948G1V8HU9RO3xqy1dQjFBCp0FDlZ7+oVCzMk7oEtnwMdmzPZ2udI RkLG4K90EMtcFreixLJxZH9//qfugKybQxjjdwBu2fd3epbizjtaqDL1K vdIp7x2KqFnhhDfbcFP4rzV/I6VfgeLwAKcBlyhHMhDzg5WeiTjq3Skhk K3gwEkxgoFUVcrfwKVGw4JLS6QR9MJwKepmnZqnahxwT6vAUhjkTCQqZE K5P1rgmcBbBUhe+f1SyH+3dLaHX1JFpMbweK0uEZkmQmlJ5VORRcoxbqY PnXx52wcAH5zHiwQ2GwABet6PDYTYGtMcqtLfU2E8w43jladWSoaKb4wp w==; X-CSE-ConnectionGUID: kBNkPMf2TJiKgY0/gLa5lw== X-CSE-MsgGUID: vyNM9+M4T+iilhqSyYBSGg== X-ThreatScanner-Verdict: Negative X-IronPort-AV: E=Sophos;i="6.03,231,1694761200"; d="scan'208";a="10101624" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa4.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 17 Oct 2023 02:43:52 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Tue, 17 Oct 2023 02:43:36 -0700 Received: from HYD-DK-UNGSW21.microchip.com (10.10.85.11) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.2507.21 via Frontend Transport; Tue, 17 Oct 2023 02:43:33 -0700 From: Raju Lakkaraju To: CC: , , , , , , Subject: [PATCH net-next V1 5/7] net: lan743x: Register the platform device for sfp pluggable module Date: Tue, 17 Oct 2023 15:12:06 +0530 Message-ID: <20231017094208.4956-6-Raju.Lakkaraju@microchip.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231017094208.4956-1-Raju.Lakkaraju@microchip.com> References: <20231017094208.4956-1-Raju.Lakkaraju@microchip.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Add support for sfp pluggable module as platform device handle the gpio input and output signals and i2c bus access the sfp eeprom data. Signed-off-by: Raju Lakkaraju --- drivers/net/ethernet/microchip/Kconfig | 2 +- drivers/net/ethernet/microchip/lan743x_main.c | 41 +++++++++++++++++++ drivers/net/ethernet/microchip/lan743x_main.h | 1 + 3 files changed, 43 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/microchip/Kconfig b/drivers/net/ethernet/= microchip/Kconfig index c50970705e88..f26368b7b834 100644 --- a/drivers/net/ethernet/microchip/Kconfig +++ b/drivers/net/ethernet/microchip/Kconfig @@ -46,12 +46,12 @@ config LAN743X tristate "LAN743x support" depends on PCI depends on PTP_1588_CLOCK_OPTIONAL - select PHYLIB select FIXED_PHY select CRC16 select CRC32 select I2C_PCI1XXXX select GP_PCI1XXXX + select SFP help Support for the Microchip LAN743x and PCI11x1x families of PCI Express Ethernet devices diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/et= hernet/microchip/lan743x_main.c index 71cce7722a21..a4baa00273f7 100644 --- a/drivers/net/ethernet/microchip/lan743x_main.c +++ b/drivers/net/ethernet/microchip/lan743x_main.c @@ -18,6 +18,7 @@ #include #include #include +#include #include "lan743x_main.h" #include "lan743x_ethtool.h" =20 @@ -3257,6 +3258,31 @@ static int lan743x_swnodes_register(struct lan743x_a= dapter *adapter) return software_node_register_node_group(nodes->group); } =20 +static int lan743x_sfp_register(struct lan743x_adapter *adapter) +{ + struct pci_dev *pdev =3D adapter->pdev; + struct platform_device_info sfp_info; + struct platform_device *sfp_dev; + + memset(&sfp_info, 0, sizeof(sfp_info)); + sfp_info.parent =3D &adapter->pdev->dev; + sfp_info.fwnode =3D software_node_fwnode(adapter->nodes->group[SWNODE_SFP= ]); + sfp_info.name =3D "sfp"; + sfp_info.id =3D (pdev->bus->number << 8) | pdev->devfn; + sfp_dev =3D platform_device_register_full(&sfp_info); + if (IS_ERR(sfp_dev)) { + netif_err(adapter, drv, adapter->netdev, + "Failed to register SFP device\n"); + return PTR_ERR(sfp_dev); + } + + adapter->sfp_dev =3D sfp_dev; + netif_dbg(adapter, drv, adapter->netdev, + "SFP platform device registered"); + + return 0; +} + static int lan743x_netdev_close(struct net_device *netdev) { struct lan743x_adapter *adapter =3D netdev_priv(netdev); @@ -3472,6 +3498,9 @@ static void lan743x_full_cleanup(struct lan743x_adapt= er *adapter) { unregister_netdev(adapter->netdev); =20 + if (adapter->sfp_dev) + platform_device_unregister(adapter->sfp_dev); + if (adapter->i2c_adap) adapter->i2c_adap =3D NULL; =20 @@ -3689,6 +3718,18 @@ static int lan743x_pcidev_probe(struct pci_dev *pdev, NETIF_F_HW_CSUM | NETIF_F_RXCSUM; adapter->netdev->hw_features =3D adapter->netdev->features; =20 + if (adapter->is_sfp_support_en) { + adapter->i2c_adap->dev.fwnode =3D + software_node_fwnode(adapter->nodes->group[SWNODE_I2C]); + + ret =3D lan743x_sfp_register(adapter); + if (ret < 0) { + netif_err(adapter, probe, netdev, + "failed to sfp register (%d)\n", ret); + goto cleanup_hardware; + } + } + /* carrier off reporting is important to ethtool even BEFORE open */ netif_carrier_off(netdev); =20 diff --git a/drivers/net/ethernet/microchip/lan743x_main.h b/drivers/net/et= hernet/microchip/lan743x_main.h index 450d8984cdb5..9746e36baaac 100644 --- a/drivers/net/ethernet/microchip/lan743x_main.h +++ b/drivers/net/ethernet/microchip/lan743x_main.h @@ -1082,6 +1082,7 @@ struct lan743x_adapter { phy_interface_t phy_interface; struct lan743x_sw_nodes *nodes; struct i2c_adapter *i2c_adap; + struct platform_device *sfp_dev; }; =20 #define LAN743X_COMPONENT_FLAG_RX(channel) BIT(20 + (channel)) --=20 2.34.1