From nobody Sat Feb 7 18:15:42 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 EB9D4C001DC for ; Fri, 21 Jul 2023 06:02:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230137AbjGUGCR (ORCPT ); Fri, 21 Jul 2023 02:02:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41916 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230106AbjGUGBi (ORCPT ); Fri, 21 Jul 2023 02:01:38 -0400 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.153.233]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8598E2D71; Thu, 20 Jul 2023 23:01:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1689919266; x=1721455266; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=PDWlDkn/pWv4jXpv9tJcSNXd2XuUOWNjlBIyyKr9PC4=; b=tLxUIX5izNG03CH792s/eACXvt5lhEH+G7G6dfZrsbKmNRRKp18xyfM3 k1px2UeXvOZU+utrxN0Hv4qDn75kJjb3HHMXNe7q2sV8/5cVgjx+LQWIL utJ0bcsNQMFB3l4AQvk9bRjSOkfkcpzSo6ypv95JTL+84A67xzwMyhyY9 1wB6313MpSlGoiUWtfVuNyiIs20SSLqRBOfRN8zU4FJPzDo6PF3SBL3qS eCh7Z9w7Z+hbUJgrH0h65f0tQ6Mtd0cW1YIWmYsFBScVEgxw5L0d9z4RP rpaNhuwJflVEkqP8zydFq9CnQjcKWBn15wW+7uPw8f2uBhcEDUl7qtVH1 A==; X-IronPort-AV: E=Sophos;i="6.01,220,1684825200"; d="scan'208";a="236881439" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa1.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 20 Jul 2023 23:00:59 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Thu, 20 Jul 2023 23:00:57 -0700 Received: from localhost.localdomain (10.10.115.15) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.2507.21 via Frontend Transport; Thu, 20 Jul 2023 23:00:54 -0700 From: Raju Lakkaraju To: CC: , , , , , , Subject: [PATCH net-next 7/7] net: lan743x: Register the platform device for sfp pluggable module Date: Fri, 21 Jul 2023 11:30:19 +0530 Message-ID: <20230721060019.2737-8-Raju.Lakkaraju@microchip.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230721060019.2737-1-Raju.Lakkaraju@microchip.com> References: <20230721060019.2737-1-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/lan743x_main.c | 39 +++++++++++++++++++ drivers/net/ethernet/microchip/lan743x_main.h | 1 + 2 files changed, 40 insertions(+) diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/et= hernet/microchip/lan743x_main.c index 9b6326d035a8..2dd0965982fb 100644 --- a/drivers/net/ethernet/microchip/lan743x_main.c +++ b/drivers/net/ethernet/microchip/lan743x_main.c @@ -17,6 +17,7 @@ #include #include #include +#include #include "../../../misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.h" #include "lan743x_main.h" #include "lan743x_ethtool.h" @@ -3228,6 +3229,31 @@ 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 void lan743x_mac_cfg_update(struct lan743x_adapter *adapter, bool l= ink, int speed, const unsigned long *advertise) { @@ -3715,6 +3741,9 @@ static void lan743x_hardware_cleanup(struct lan743x_a= dapter *adapter) if (adapter->phylink) phylink_destroy(adapter->phylink); =20 + if (adapter->sfp_dev) + platform_device_unregister(adapter->sfp_dev); + if (adapter->nodes) software_node_unregister_node_group(adapter->nodes->group); =20 @@ -3942,6 +3971,16 @@ static int lan743x_pcidev_probe(struct pci_dev *pdev, adapter->sgmii_lsd =3D LINK_2500_MASTER; =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; + } + ret =3D lan743x_phylink_create(adapter->netdev); if (ret) { netif_err(adapter, probe, netdev, diff --git a/drivers/net/ethernet/microchip/lan743x_main.h b/drivers/net/et= hernet/microchip/lan743x_main.h index 6b94d0e93cbb..d23cf1ca888c 100644 --- a/drivers/net/ethernet/microchip/lan743x_main.h +++ b/drivers/net/ethernet/microchip/lan743x_main.h @@ -1083,6 +1083,7 @@ struct lan743x_adapter { struct i2c_adapter *i2c_adap; struct phylink *phylink; struct phylink_config phylink_config; + struct platform_device *sfp_dev; }; =20 #define LAN743X_COMPONENT_FLAG_RX(channel) BIT(20 + (channel)) --=20 2.25.1