From nobody Wed Oct 8 10:59:22 2025 Received: from AS8PR04CU009.outbound.protection.outlook.com (mail-westeuropeazon11011037.outbound.protection.outlook.com [52.101.70.37]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8F24225F784; Mon, 30 Jun 2025 11:31:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.70.37 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751283064; cv=fail; b=cFDesSj1aV0RX4Ccg1ad4488rycFfynEdQkac3xeQYr/ADuUDxQtwZ3oYkBaOlQX5pRPPHGJ8seOEN7XvH1cmJ8EQfteuldxJmiIPmQFBTkWLPHYIkTExY/XFIzKd+750gDMI7OwHJ47wsQ5EP9WxQTIrRtfRDGhQfI6VK2MlB0= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751283064; c=relaxed/simple; bh=LRKmZbxzE6+uGkv6VXMmid8DCus5WheNVsic6sNB6sw=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Az06sLbF5X54JPVtx+onqCcO14Ec334P8jzxS5YxJGpEB0M4qqzS/Hs71MmjXDn58ocLpDk7h2M2iN/TzYU0oOqcJy+LJLW55dIWwymS/1aOYrAD60DGrc2wdv2aEoaBoyOodNgUZx2CzNhLgh7GddWdMB6u7N4Wl+2o/Z0FWRk= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=axis.com; spf=pass smtp.mailfrom=2n.com; dkim=pass (1024-bit key) header.d=axis.com header.i=@axis.com header.b=ozrfL0vl; arc=fail smtp.client-ip=52.101.70.37 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=axis.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=2n.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=axis.com header.i=@axis.com header.b="ozrfL0vl" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=FKGqvcNFAdKDmb5QikLRgvUKIdyvOpJup0qaBSjhZ3VkTzixbYc5o778efsHAsqnaIsZFGf2j8RUJcXhaBggIMeCg0rsRPMuRDJj32OaNBnNu4O4Bz7hv7JDbpX2jYzwPoCL8nDznL3xOk2FDXNS20NCNrFYmvGg8XLnWAAMbIbl3JfZySgYccGBjb9MBPk5fbgAkW0YThx2FMERLRRQ1lmEKnEJBquGOvepae2Szt7+LeXXjJ6ZAXPbBgB5lKGG6jMU4fNYx6IZQDIQdtwHUhTVmTikZiOCZQHsNo2kPgjHUhxBpzHVf0M/BJlU+LedPTwzdPnMEWqrdzHorNzTxg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=VvLIVsaY/5slKUog2jDLMFrqyCAw/YsKqC3/XTUkW9w=; b=FFxCUxpO/lu30cPcGjyr2TftjKMfNk+Fiaw8qONMvQMOskupckCEDS9V/Lq2vgxFVEp4TP2mao4DFWBhQr5wLss7CBmx0Xh/ZUuzSoDhUNTvqXDSvDF89PO3kHAlGAEEw4C0LsP7Ny/hhKSvlPQeja34eeuafDxSFf0Akoj1OPKFc30IkxPmzp0aYdGDZcHDPrCrXwr451MCo5UM08/ospOL6L+a4nF3uDHmh2H0GpAdAs5nhz/6sbVHbKWlAehMsLTayRZ0LNuQ6hEc/1Lwl9YgfPlpFE4Co1M8Bl+M/R4Wd4utgxFHidJOqPESggPuBCB02eLmY96kjEnWZ/3ytA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 195.60.68.100) smtp.rcpttodomain=broadcom.com smtp.mailfrom=2n.com; dmarc=fail (p=none sp=none pct=100) action=none header.from=axis.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=axis.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=VvLIVsaY/5slKUog2jDLMFrqyCAw/YsKqC3/XTUkW9w=; b=ozrfL0vlbXwM4egCyeOlGUFzWd0Lpy064wDjdMso6binC6FfAdxve3/1RqPu/H4xH/BdyBZgVD2dgvM/3K/flnD0l9QD2oocerSwuTh4Kqw3bPCLFqX14tlp3wCsZdsLJcTFwCyPzeKS4g2s9jlnc47dZ7IMgw4OEKRbjsqWp3s= Received: from CWLP265CA0427.GBRP265.PROD.OUTLOOK.COM (2603:10a6:400:1d7::14) by DU5PR02MB10727.eurprd02.prod.outlook.com (2603:10a6:10:520::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8880.25; Mon, 30 Jun 2025 11:30:58 +0000 Received: from AM2PEPF0001C709.eurprd05.prod.outlook.com (2603:10a6:400:1d7:cafe::1) by CWLP265CA0427.outlook.office365.com (2603:10a6:400:1d7::14) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.8880.30 via Frontend Transport; Mon, 30 Jun 2025 11:30:58 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 195.60.68.100) smtp.mailfrom=2n.com; dkim=none (message not signed) header.d=none;dmarc=fail action=none header.from=axis.com; Received-SPF: Pass (protection.outlook.com: domain of 2n.com designates 195.60.68.100 as permitted sender) receiver=protection.outlook.com; client-ip=195.60.68.100; helo=mail.axis.com; pr=C Received: from mail.axis.com (195.60.68.100) by AM2PEPF0001C709.mail.protection.outlook.com (10.167.16.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.8901.15 via Frontend Transport; Mon, 30 Jun 2025 11:30:57 +0000 Received: from pcczc3457tyd.2n.cz.axis.com (10.4.0.13) by se-mail01w.axis.com (10.20.40.7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.44; Mon, 30 Jun 2025 13:30:55 +0200 From: =?UTF-8?q?Kamil=20Hor=C3=A1k=20-=202N?= To: , , , , , , , , , , CC: , , , , , , Subject: [PATCH net v3 3/4] net: phy: bcm5481x: MII-Lite activation Date: Mon, 30 Jun 2025 13:30:32 +0200 Message-ID: <20250630113033.978455-4-kamilh@axis.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250630113033.978455-1-kamilh@axis.com> References: <20250630113033.978455-1-kamilh@axis.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: se-mail02w.axis.com (10.20.40.8) To se-mail01w.axis.com (10.20.40.7) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AM2PEPF0001C709:EE_|DU5PR02MB10727:EE_ X-MS-Office365-Filtering-Correlation-Id: d0c7ec2a-c477-420a-6c50-08ddb7c99574 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|82310400026|36860700013|1800799024|376014|7416014|19092799006|921020; X-Microsoft-Antispam-Message-Info: =?utf-8?B?ajBYUHI1eXNSTExoTVZXTzl1eHp4Yng1SmlDSmlYekhBank0Q1NMc0NsODNv?= =?utf-8?B?a2FhdGE3WklHamx3L3EzWW9BQXZocFBlRFZQTC9hcUtxS25CR2V4WEc3SEtk?= =?utf-8?B?QWswVGV5ZWMvaGVISnRXSlRZa1lmL01ad2g3ODJId3paRGUra1RQM1N6MGV3?= =?utf-8?B?dzRTemV0cERIWmNRQ2xxdXNqT0xWaDhsdTg2R3ozd29vV1VWK3JIVU1PL2pS?= =?utf-8?B?UFNXbzJkZ25SZUtwcUhFaHlVR0VvV3FSbFR3UHU5OU4vUmlXeXA0dWJmdkxr?= =?utf-8?B?SkZtQkZXZkVTczZtMkxCSHpOZW9ObEJPQW5SanRwd0xyK09YMTdOQ21VTW1N?= =?utf-8?B?c2VrUlZuY0VwMXE3VE9ncktaUm1yVlJ2VjNFbzFCRnNYcEJ5QmdkenIzRGFI?= =?utf-8?B?c0NvNHljMnBkVE5pY2s4aDRWV0h1ZGgvVUpxVVBnN1ZZRSt0SUlNaTBNcDc4?= =?utf-8?B?Y3VPQ1RRZnpmTVhXdmtMc0lCMTcrUnVBaWZHYVJJZDZDNGdpWDNwdlRKcVF4?= =?utf-8?B?Q2Q4R0pkd3BwZ2hKYkNTY2hSWDd2aU16OFdDeDN0dk1ydTFTbjNBSUh5SE9D?= =?utf-8?B?c1BZTmN6MkxNME9Sc0wvOFRYVXRVNTJXbjhCemZZdUh0S2xjK2IrT2FNWnZh?= =?utf-8?B?eDEzQVlndzZ3UU9zb1ZMYWZKa3NtY1hqbGJOaUxySG1EbXorM1dCT29URklO?= =?utf-8?B?TWVmckNzZ2NLS2h5RmZlZGt6WERUbmVPYlUwZHV2YWdkand6VWJkVmFQcjJ6?= =?utf-8?B?UzhwRlJUVFIzMVlkUFR1MFc2YXpDY0ZjaWt1Y04xL1ZpeGFGUHdycFN5MThS?= =?utf-8?B?YkFxWnRlT0thYTZWc0UrMkJZM29NUWlicVZLTkdGenN2ZFZiSFV3N1JhdXZt?= =?utf-8?B?T3ZCWVNWeGNqblJoQkJKdmdzQ2Ryb3M5Z2hoRG4xQXJZZ01NVGRXQWF5bW90?= =?utf-8?B?bHFpSlNtdFJvcDUrNU45R1VVd3BvM1d1WnZhS21ldHFQYU1VRTRaY0RKN2ps?= =?utf-8?B?RmpEVG1rc3BVdFZOQ1I0Zm5Sa2xXNWtnUktLR1ZJd2VtejVDblRhSm9ML2dX?= =?utf-8?B?bk52VHdpVnI4cmc4VVlLcURBTUk2QnhlSjY0VEVQekFhU2lTaUlOUzYzK0Fh?= =?utf-8?B?OUxEcGdCa1lYTkdjdTA4ZFZrcHJpbm1JYVBOZTRTemdnelBIOVdQRDlldXZx?= =?utf-8?B?M3o1Q0FuaUV4SDBBb0tSN1UySDRNYy93cTVQdlF6VkpFK2lVWWl3KzA4RmNp?= =?utf-8?B?N2szajYyVWlCaVp1eUh3aDNBNkpGRm1aWEgvNVg3eWpRS3ovR2pYVG1RVVhU?= =?utf-8?B?ZVA2dTFhRUdINDRDMEEwTGFjbWFpTkxKcVJEZHl3RS9Mb3IxdEIvVGQ3WkpB?= =?utf-8?B?SDhPNm5qZDdESEhRckpUTFg2YTZNMGZFSCt3QS9PV3YyMktpVlVFQVM1ak1H?= =?utf-8?B?amhkVXYxTXh4YXRob0JJbVE3bkYvbGY1MzdOeDIraTFab1NWdWMvNTBxd3Ra?= =?utf-8?B?STBmdnZLcWI0WlJ3OURRTnVlb016Qzg2M2loWmUvcTcwWE03Nmg3WnhSWFBo?= =?utf-8?B?SXFkbmxCK1pIZnhJKy9GOXh0N0dQS0VEcGpvYVpHZ1YwK2tGNXNMbFlJSURL?= =?utf-8?B?VTBrWHYrV3hDaEo3MmVIdWVGQnJYZENWaVBTK0hmaWF6TnM5c2lQUEE2MjVj?= =?utf-8?B?alpNZkF0Rks0VnBWTEF3Nmtrc3V6Nklaa01meHA2bUg5Q0ZJczZBQWxwY0tD?= =?utf-8?B?eHVMSU4vcU1OdS9jN2FkY3cxTDZUM0RxS0lzQmk4ZnQ3R3hGd1lwQ2hEQVEv?= =?utf-8?B?LzJRVVJnTUhkQU9zYi9iWTk4dGxCdEkvaTVXL3Zta0pqYkNwbnFQdmk4RWx6?= =?utf-8?B?SGpSUWJrK2lESmZVbkcxOWU0K1RMRlpFV2h4THVQelRDNzZXRU1lZVZlS0Zo?= =?utf-8?B?OVVlY01ZU1pZZjlpUUQ1eEh4MHVnRk9GUElaU0VlZVdLbE50Mkl2NE54blNt?= =?utf-8?B?cFFqSjVOcnlSVHZ2ZHZTbFdEK2R2YUk4SHNtclQxSHZJTllLdHAwQ3FJRGRm?= =?utf-8?B?NWRjei94NThXSFJFbVY1bmh0T1dUWjlCb3NQdz09?= X-Forefront-Antispam-Report: CIP:195.60.68.100;CTRY:SE;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.axis.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(82310400026)(36860700013)(1800799024)(376014)(7416014)(19092799006)(921020);DIR:OUT;SFP:1101; X-OriginatorOrg: axis.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 30 Jun 2025 11:30:57.9806 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d0c7ec2a-c477-420a-6c50-08ddb7c99574 X-MS-Exchange-CrossTenant-Id: 78703d3c-b907-432f-b066-88f7af9ca3af X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=78703d3c-b907-432f-b066-88f7af9ca3af;Ip=[195.60.68.100];Helo=[mail.axis.com] X-MS-Exchange-CrossTenant-AuthSource: AM2PEPF0001C709.eurprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DU5PR02MB10727 Broadcom PHYs featuring the BroadR-Reach two-wire link mode are usually capable to operate in simplified MII mode, without TXER, RXER, CRS and COL signals as defined for the MII. The absence of COL signal makes half-duplex link modes impossible, however, the BroadR-Reach modes are all full-duplex only. Depending on the IC encapsulation, there exist MII-Lite-only PHYs such as bcm54811 in MLP. The PHY itself is hardware-strapped to select among multiple RGMII and MII-Lite modes, but the MII-Lite mode must be also activated by software. Add MII-Lite activation for bcm5481x PHYs. Signed-off-by: Kamil Hor=C3=A1k - 2N Reviewed-by: Florian Fainelli --- drivers/net/phy/broadcom.c | 14 +++++++++++++- include/linux/brcmphy.h | 6 ++++++ 2 files changed, 19 insertions(+), 1 deletion(-) diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c index 9b1de54fd483..8547983bd72f 100644 --- a/drivers/net/phy/broadcom.c +++ b/drivers/net/phy/broadcom.c @@ -407,7 +407,7 @@ static int bcm5481x_set_brrmode(struct phy_device *phyd= ev, bool on) static int bcm54811_config_init(struct phy_device *phydev) { struct bcm54xx_phy_priv *priv =3D phydev->priv; - int err, reg; + int err, reg, exp_sync_ethernet; =20 /* Enable CLK125 MUX on LED4 if ref clock is enabled. */ if (!(phydev->dev_flags & PHY_BRCM_RX_REFCLK_UNUSED)) { @@ -424,6 +424,18 @@ static int bcm54811_config_init(struct phy_device *phy= dev) if (priv->brr_mode) phydev->autoneg =3D 0; =20 + /* Enable MII Lite (No TXER, RXER, CRS, COL) if configured */ + if (phydev->interface =3D=3D PHY_INTERFACE_MODE_MIILITE) + exp_sync_ethernet =3D BCM_EXP_SYNC_ETHERNET_MII_LITE; + else + exp_sync_ethernet =3D 0; + + err =3D bcm_phy_modify_exp(phydev, BCM_EXP_SYNC_ETHERNET, + BCM_EXP_SYNC_ETHERNET_MII_LITE, + exp_sync_ethernet); + if (err < 0) + return err; + return bcm5481x_set_brrmode(phydev, priv->brr_mode); } =20 diff --git a/include/linux/brcmphy.h b/include/linux/brcmphy.h index 028b3e00378e..15c35655f482 100644 --- a/include/linux/brcmphy.h +++ b/include/linux/brcmphy.h @@ -182,6 +182,12 @@ #define BCM_LED_MULTICOLOR_ACT 0x9 #define BCM_LED_MULTICOLOR_PROGRAM 0xa =20 +/* + * Broadcom Synchronous Ethernet Controls (expansion register 0x0E) + */ +#define BCM_EXP_SYNC_ETHERNET (MII_BCM54XX_EXP_SEL_ER + 0x0E) +#define BCM_EXP_SYNC_ETHERNET_MII_LITE BIT(11) + /* * BCM5482: Shadow registers * Shadow values go into bits [14:10] of register 0x1c to select a shadow --=20 2.39.5