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 B3C033CB8E5; Sun, 14 Jun 2026 17:01:05 +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=1781456465; cv=none; b=CwNOcMxMghCcZoQ6A2zUkQp3rcDYsSZNBn7Qz5OVnqQZphIzPy4CbbeVfI+29847SCbikM2RCjcwrx6ywXSi7m3HNJlWWf4Rgkt+/Khju0UuXo+ImDM72dhz+A2flDx/Gj7Xdkrq3ESUwIr0UlSqV2+GDKEcmKBmQiqrQwTDK04= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781456465; c=relaxed/simple; bh=5AKoe4D23g4jI/s7FfzCJBOwHciGwjfrxvg9PrbaBFs=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=tqO3rTc0uB0n+YhoJ3KUCpnu+jUZTcNGoYGhbLrQ1GM32xs1aXQWHt/EeWN9UPPKa+cOEr0AZ18X85sRGMMyp41LFhum0lA6UADF5am7KgGun4bUslX36qLeMHkr+98ROGxOenqXjts7UG+TcwkHCHwudrUum14qOsLA7LYDGDA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Qkoy9m5e; 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="Qkoy9m5e" Received: by smtp.kernel.org (Postfix) with ESMTPS id 86970C4AF0F; Sun, 14 Jun 2026 17:01:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1781456465; bh=5AKoe4D23g4jI/s7FfzCJBOwHciGwjfrxvg9PrbaBFs=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=Qkoy9m5eYT0RCRREoDUR+k0ZhK+MzYGrwfH+2DBZDK9vkfHD5eCirVRvu6208ns6z adnXg0NdX3YaFuVES07F9H+CYVAiL6Ptqr67a2mCsB6egZrpQJ2KG3I4Ou+RzQXo4e pCmRyPZhtsX7GucUUcHP/dt6XGcxGH4oBJM7lPn9wmwQMMkvgmAyp9HEXSIp/NHqN7 49xE7kSC9hxT+XwkiyY3ZoBax7YxORsQehI20Mh9mKirQUBbrSi1orki8QvDVjJ4IU A/+wTZnNq94ZTLwIeV0pj9jsl5IIiCz8T2wGfF3+GQB3lzLxRKj/vErE5k/g+AqRjy D9ShiYA9XMFNQ== 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 7DD8CCD98C5; Sun, 14 Jun 2026 17:01:05 +0000 (UTC) From: Selvamani Rajagopal via B4 Relay Date: Sun, 14 Jun 2026 10:00:23 -0700 Subject: [PATCH net-next v5 07/15] net: ethernet: oa_tc6: Support for vendor specific MMS Precedence: bulk X-Mailing-List: netdev@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: <20260614-s2500-mac-phy-support-v5-7-89874b72f725@onsemi.com> References: <20260614-s2500-mac-phy-support-v5-0-89874b72f725@onsemi.com> In-Reply-To: <20260614-s2500-mac-phy-support-v5-0-89874b72f725@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 0.15.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1781456463; l=3411; i=Selvamani.Rajagopal@onsemi.com; s=20260531; h=from:subject:message-id; bh=+fzQuf82LX31PX0K2sXhsNLmt2YRUK6CWtb80ha2Vwc=; b=J7KNkTGadtmxb1lXHNGoAyc2cXZ1kTA6ADa2Yha0jckd4MYeW/JTwGaI4XVabOuFNvHtsPKga s5oNvuE3Y7YDy9i0YIyBrbdBEul935iWOFpl27+SqPC6QWQJGivvGoC 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. Reviewed-by: Andrew Lunn Signed-off-by: Selvamani Rajagopal --- changes in v5 - no change changes in v4 - no change changes in v3 - no change changes in v2 - Moved the handling of vendor specific MMS mapping to separate patch - new patch --- drivers/net/ethernet/oa_tc6/oa_tc6.c | 21 ++++++++++++++++++--- include/linux/oa_tc6.h | 1 + 2 files changed, 19 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..fab7cb84df71 100644 --- a/drivers/net/ethernet/oa_tc6/oa_tc6.c +++ b/drivers/net/ethernet/oa_tc6/oa_tc6.c @@ -202,6 +202,18 @@ int oa_tc6_ioctl(struct oa_tc6 *tc6, struct ifreq *rq, int cmd) } EXPORT_SYMBOL_GPL(oa_tc6_ioctl); +/** + * oa_tc6_set_vend1_mms - 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 +467,7 @@ 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 +480,8 @@ 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 +494,7 @@ 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 +511,7 @@ 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 +1295,7 @@ 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