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 C864E5038E5; Mon, 28 Sep 2026 22:25:24 +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=1790634324; cv=none; b=pP6UJb7Or21Pv97ymQAfuwRTVDCD5zuLv3tDWT7g8sHjqCsc0DytqBDvhrbD0B4C+pb6Mtvlu9DXac89+TNmRUI0ulXaFtleiYctB9p1RFdN+rK+aDNwD/Oo6ItxF3o1LOD5OnF1IBhDhNuz2l4je6qyIRC3SluyJE1PcJ/43CQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790634324; c=relaxed/simple; bh=xCK4ZN45BBmZH4eqj3BHK8o5ZoGntyVni20+PCKEE1s=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=r8M1peeHgbiMHlvnc1GGiEXn5pEDw7RdMV44IpzhBT7vGL8W/KSxOnL+N23/0GheOC7WQnWj7/Ngvw/7kNkBvl0/AwH9y081avf2ZRb70UHmx0Wt5Z13oTFdJzrRnbhK8xADyiCM2hVXxL1S3dexi6rwnrppEu7G4/xBdpcu/JM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=EMVf5MXP; 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="EMVf5MXP" Received: by smtp.kernel.org (Postfix) with ESMTPS id 8B029C4AF62; Mon, 28 Sep 2026 22:25:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1790634324; bh=xCK4ZN45BBmZH4eqj3BHK8o5ZoGntyVni20+PCKEE1s=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=EMVf5MXPogjwHK+oWebf4kW88c9W5XGRDWJdqlJG9IlmxL9pYq3EwR4z6J8V4ticw wYejL94cQdwh61KRAHaoIUaKtj12OVACRadTgKRUCZmfdDD3iO9qIUstWCC2q4zsro 2vI8XGRf1FcTyQl+PO2TaLdFw0FFcwS3s+V+5HBY9WW2fQf1Hfas8WZEp5BxmfcXDS vIr7jUNNXsLdSZHvyxWzkNilo1OW+8G3Cs5VtRIC/nEAC0BhLfLmuhdeGKDLtlOgaP j1WzdRYed9XuS5MKNkecyzmG1zKvQJV+U67E7p+T5DUdlg0HGTZ4aCaRJJX4Iehujw EKRltsLBPN2Vw== 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 77144CA5FA1; Mon, 28 Sep 2026 22:25:24 +0000 (UTC) From: Selvamani Rajagopal via B4 Relay Date: Mon, 28 Sep 2026 15:25:13 -0700 Subject: [PATCH net-next v8 06/11] net: ethernet: oa_tc6: Support for vendor specific MMS Precedence: bulk X-Mailing-List: devicetree@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: <20260928-s2500-mac-phy-support-v8-6-7e011aacc309@onsemi.com> References: <20260928-s2500-mac-phy-support-v8-0-7e011aacc309@onsemi.com> In-Reply-To: <20260928-s2500-mac-phy-support-v8-0-7e011aacc309@onsemi.com> To: Selva Rajagopal , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Piergiorgio Beruto , Parthiban Veerasooran , Simon Horman , Jonathan Corbet , Shuah Khan , Randy Dunlap , Richard Cochran , Andrew Lunn , Heiner Kallweit , Russell King Cc: Selva Rajagopal , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, Jerry Ray X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1790634319; l=3615; i=Selvamani.Rajagopal@onsemi.com; s=20260531; h=from:subject:message-id; bh=NqQh5AjrG3OFsRhaNIoGIEp2Di6NevhQyuBM33Wjyoo=; b=/IHASgfAyLNstEy0MQHet0KBtVIdhtFtgxzgiG22gPO48XqRuVNJq26RL2w4iDgVs3Ont7orE ApuGKrAsV5FCTVsLuHOYvp+2kiVsEWmScGGV31KDxnlgPAdXHYDbKuN 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 v8 - No change changes in v7 - No change changes in v6 - No change 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 | 20 +++++++++++++++++--- drivers/net/ethernet/oa_tc6/oa_tc6_std_def.h | 1 + include/linux/oa_tc6.h | 1 + 3 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 5cbe049f76ef..c1774fe84ba4 100644 --- a/drivers/net/ethernet/oa_tc6/oa_tc6.c +++ b/drivers/net/ethernet/oa_tc6/oa_tc6.c @@ -250,6 +250,18 @@ static int oa_tc6_update_standard_capability(struct oa_tc6 *tc6) return 0; } +/** + * 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) { @@ -577,7 +589,7 @@ 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: @@ -590,6 +602,8 @@ 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; } @@ -603,7 +617,7 @@ int oa_tc6_mdiobus_read_c45(struct mii_bus *bus, int addr, int devnum, int mms; int ret; - mms = oa_tc6_get_phy_c45_mms(devnum); + mms = oa_tc6_get_phy_c45_mms(tc6, devnum); if (mms < 0) return mms; @@ -621,7 +635,7 @@ int oa_tc6_mdiobus_write_c45(struct mii_bus *bus, int addr, int devnum, struct oa_tc6 *tc6 = bus->priv; int mms; - mms = oa_tc6_get_phy_c45_mms(devnum); + mms = oa_tc6_get_phy_c45_mms(tc6, devnum); if (mms < 0) return mms; diff --git a/drivers/net/ethernet/oa_tc6/oa_tc6_std_def.h b/drivers/net/ethernet/oa_tc6/oa_tc6_std_def.h index 06fe88f1ed7c..192cc2eaa041 100644 --- a/drivers/net/ethernet/oa_tc6/oa_tc6_std_def.h +++ b/drivers/net/ethernet/oa_tc6/oa_tc6_std_def.h @@ -127,6 +127,7 @@ struct oa_tc6 { u64 tx_hwtstamp_err; u8 ts_ttsc_pending; u8 ttsc_current_id; + int vend1_mms; }; enum oa_tc6_header_type { diff --git a/include/linux/oa_tc6.h b/include/linux/oa_tc6.h index 365abdbf60d3..88e7d5491b20 100644 --- a/include/linux/oa_tc6.h +++ b/include/linux/oa_tc6.h @@ -114,5 +114,6 @@ void oa_tc6_get_ts_stats(struct oa_tc6 *tc6, struct ethtool_ts_stats *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