From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 CB2CC305694; Sat, 6 Jun 2026 05:42:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780724569; cv=none; b=PJy7j2pJ8I6XoE/qroLjoT9qLfxUulqbzfmYOq4Wo06T9aRu4LPFx5ognVaDSw5PJuE1ByIBXPN5PBCmMMi2xa2jY09mTT4Av1I9GuQGgcI8QWTAAXJuU4fx48PL6zo+CyPWSiouUTNDCp7n9HfsT69XfCxK8Pt/ltyj6SECXWQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780724569; c=relaxed/simple; bh=ifMhxS+DRCkQ8AAyt0KpaIw9DM+lD+OKUG0V9jkgQ4Y=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=lJwFVzP+Hg4IEVW8zMvqtpcR5PO3BW4tmSFg/MalooUGWynMLJ3Ir9hbDHbc2NodIiM0NqCnlj8oiWv+jHqOpoV7SJ3WndFx/4pjybbo08crhcx/YX0Xh/bFT++xWSaRQ2A29xidok/y1XZhVjN9M/yPofteFR4NOOfODy0o1mo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MiS71qPB; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="MiS71qPB" Received: by smtp.kernel.org (Postfix) with ESMTPS id 8E5B2C2BCF6; Sat, 6 Jun 2026 05:42:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1780724569; bh=ifMhxS+DRCkQ8AAyt0KpaIw9DM+lD+OKUG0V9jkgQ4Y=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=MiS71qPBAOZSdobSXakTm8SpLdPFIjRQFX0ePzlPFOj80Hbto7ZBrnIwudD3kZjiE 45ipiPgsqNV9sS7rfiRbybain1PW1OZgjED6vG/A8S5tS4Q1WQV1WpfrQByL1aZ7BL Bxw52U5ybd82k6ZgN9hxwcy8AlLLK/cP5oDDhrUVvEm4Mr8Gt1JQ2gv0nb6HU4k3Ru 9Ziog2cfuIBaQaPiH84GOddK7HJc9EPwPo/wJbuS7X07+Z0smsRAygOpTaok8zjv+f z5a8rXdL6vD8fClYi+IPAczrldSsSkvqvI6ndtC8Vjb75/11ZrI4Z6eab0whu+69iU oaCRgJ0s0dG/Q== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 87659CD8C8D; Sat, 6 Jun 2026 05:42:49 +0000 (UTC) From: Selvamani Rajagopal via B4 Relay Date: Fri, 05 Jun 2026 22:42:38 -0700 Subject: [PATCH net-next v4 07/16] net: ethernet: oa_tc6: Support for vendor specific MMS 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: 7bit Message-Id: <20260605-s2500-mac-phy-support-v4-7-de0fbc13c6d8@onsemi.com> References: <20260605-s2500-mac-phy-support-v4-0-de0fbc13c6d8@onsemi.com> In-Reply-To: <20260605-s2500-mac-phy-support-v4-0-de0fbc13c6d8@onsemi.com> To: Andrew Lunn , Piergiorgio Beruto , Heiner Kallweit , Russell King , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Andrew Lunn , Parthiban Veerasooran , Selva Rajagopal , Richard Cochran , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Simon Horman , Jonathan Corbet , Shuah Khan Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, Jerry Ray , Selvamani Rajagopal X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1780724562; l=3139; i=Selvamani.Rajagopal@onsemi.com; s=20260531; h=from:subject:message-id; bh=nbQfy8zsWMbmAyspM8wQU+sSMRnj53ReA9nG6bU9G9A=; b=ckfq+FmcO98bmlF271aK9dudpewPWOwYZLOqjE0b9ajRHJWt4VAFWPAVNDYZrUM9bwn8WIbsk nLNC+Vr9MJVD2K36i0f9XwMV0KbLKadaTI2vVTU3fuKwWyOe77vF8vh X-Developer-Key: i=Selvamani.Rajagopal@onsemi.com; a=ed25519; pk=5QRdM0HS/LGWWcUZZ9hVfZ+qbPQGZCumcTXOiN7Fyug= X-Endpoint-Received: by B4 Relay for Selvamani.Rajagopal@onsemi.com/20260531 with auth_id=803 X-Original-From: Selvamani Rajagopal Reply-To: Selvamani.Rajagopal@onsemi.com From: Selvamani Rajagopal OPEN Alliance 10BASE-T1x Serial Interface specification, table 6 allows vendors to use any memory map select (MMS) value between 10 and 15. This new API interface enables vendor to map one of thes MMS values to MDIO_MMD_VEND1. Signed-off-by: Selvamani Rajagopal --- drivers/net/ethernet/oa_tc6/oa_tc6.c | 20 +++++++++++++++++--- include/linux/oa_tc6.h | 1 + 2 files changed, 18 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/oa_tc6/oa_tc6.c b/drivers/net/ethernet/oa_tc6/oa_tc6.c index 9410cecfdc2a..2f9ace655e81 100644 --- a/drivers/net/ethernet/oa_tc6/oa_tc6.c +++ b/drivers/net/ethernet/oa_tc6/oa_tc6.c @@ -202,6 +202,17 @@ int oa_tc6_ioctl(struct oa_tc6 *tc6, struct ifreq *rq, int cmd) } EXPORT_SYMBOL_GPL(oa_tc6_ioctl); +/** + * Add vendor specific MDIO_MMD to OA TC6 MMS mapper value. + * @tc6: oa_tc6 struct. + * @mms: vendor defined MMS value for VEND1 mdio device. + */ +void oa_tc6_set_vend1_mms(struct oa_tc6 *tc6, int mms) +{ + tc6->vend1_mms = mms; +} +EXPORT_SYMBOL_GPL(oa_tc6_set_vend1_mms); + static __be32 oa_tc6_prepare_ctrl_header(u32 addr, u8 length, enum oa_tc6_register_op reg_op) { @@ -455,7 +466,7 @@ static int oa_tc6_mdiobus_write(struct mii_bus *bus, int addr, int regnum, val); } -static int oa_tc6_get_phy_c45_mms(int devnum) +static int oa_tc6_get_phy_c45_mms(struct oa_tc6 *tc6, int devnum) { switch (devnum) { case MDIO_MMD_PCS: @@ -468,6 +479,8 @@ static int oa_tc6_get_phy_c45_mms(int devnum) return OA_TC6_PHY_C45_AUTO_NEG_MMS5; case MDIO_MMD_POWER_UNIT: return OA_TC6_PHY_C45_POWER_UNIT_MMS6; + case MDIO_MMD_VEND1: + return tc6->vend1_mms; default: return -EOPNOTSUPP; } @@ -480,7 +493,7 @@ static int oa_tc6_mdiobus_read_c45(struct mii_bus *bus, int addr, int devnum, u32 regval; int ret; - ret = oa_tc6_get_phy_c45_mms(devnum); + ret = oa_tc6_get_phy_c45_mms(tc6, devnum); if (ret < 0) return ret; @@ -497,7 +510,7 @@ static int oa_tc6_mdiobus_write_c45(struct mii_bus *bus, int addr, int devnum, struct oa_tc6 *tc6 = bus->priv; int ret; - ret = oa_tc6_get_phy_c45_mms(devnum); + ret = oa_tc6_get_phy_c45_mms(tc6, devnum); if (ret < 0) return ret; @@ -1281,6 +1294,7 @@ struct oa_tc6 *oa_tc6_init(struct spi_device *spi, struct net_device *netdev) SET_NETDEV_DEV(netdev, &spi->dev); mutex_init(&tc6->spi_ctrl_lock); spin_lock_init(&tc6->tx_skb_lock); + tc6->vend1_mms = -EOPNOTSUPP; tc6->tx_ts_idx = OA_TC6_TTSCA_REG_ID; INIT_LIST_HEAD(&tc6->tx_ts_skb_q); diff --git a/include/linux/oa_tc6.h b/include/linux/oa_tc6.h index 4047c22a366a..a89151267713 100644 --- a/include/linux/oa_tc6.h +++ b/include/linux/oa_tc6.h @@ -47,5 +47,6 @@ void oa_tc6_get_ts_stats(struct oa_tc6 *tc6, struct ethtool_ts_stats *ts_stats); int oa_tc6_hwtstamp_set(struct oa_tc6 *tc6, struct kernel_hwtstamp_config *cfg); +void oa_tc6_set_vend1_mms(struct oa_tc6 *tc6, int mms); void oa_tc6_ptp_unregister(struct oa_tc6 *tc6); #endif /* _LINUX_OA_TC6_H */ -- 2.43.0