From patchwork Mon Mar 3 15:14:37 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dimitri Fedrau via B4 Relay X-Patchwork-Id: 13998992 X-Patchwork-Delegate: kuba@kernel.org 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 E8FE7213E66; Mon, 3 Mar 2025 15:14:46 +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=1741014887; cv=none; b=dJ3vfaqmL/EL8bXB7TCykYM+bPdELKXYTmjOZsm73bk/l44yVnxlXVboQt+xR8DIT1Vdz6Syk0/zUv6ALkoVqtxSS9NC6l4XciTgH+XMbid34zURQpSj0yVG7GQMbLCdQ66MWgirtB6qKQbkrW6O/MA3vkIKKmoqH6GnRhcNBL0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741014887; c=relaxed/simple; bh=fCmSeaLsHOGgZCOe1ZjtdfESaoOaO/P39GiorM9u4bw=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=oc5OmE+TUegM3BT94Iu/7pHwQ4vTmbOPFHzKXD5bRWlB8C01yNwDiP5K8wWb3GB4sZbLRexD2ZSBoUsvaaRfYOQvahpIOHsYwlOqSQ8AXXaHXg9rXKmmN92FgT4j/QfBZ92iGby8La77Vn1W+5gaCSnymiRh+GF5Rhzu9V9KQU8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lM8Dn0PI; 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="lM8Dn0PI" Received: by smtp.kernel.org (Postfix) with ESMTPS id 82649C4CEE9; Mon, 3 Mar 2025 15:14:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1741014886; bh=fCmSeaLsHOGgZCOe1ZjtdfESaoOaO/P39GiorM9u4bw=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=lM8Dn0PIV/Hd+HRlhme1MmK6Qs/yxnMHZtQGS4sJDXF2jg/ab1llKxZjBdEZGmV/n M+7I8cLWLemEbmdYmctpGUeqjxDft9Guhsn5iEwAYcOIGEkDZinKG/57VxYbnD4T/Q JVZsTV6LqrAIKq1FZ/Ouhq3v3XyY88bbokotdjgriaM4YR+Zm2eVg+cWNkwQVB+rN4 8IMDi4O4O/zk+5xZ6sC3la6a2x0TOg47hBewmIr4PysOdyx+tEiWKmIxVp1yLk1JvE VcpYdPYI6tjsF1TxDa2lhsSgmkOgyaYZpjPoLtQZNPDiGvJHcnqlugB1OFKCxmsJ73 wLEL894ozF13g== 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 7657CC282CD; Mon, 3 Mar 2025 15:14:46 +0000 (UTC) From: Dimitri Fedrau via B4 Relay Date: Mon, 03 Mar 2025 16:14:37 +0100 Subject: [PATCH 2/2] net: phy: tja11xx: enable PHY in sleep mode for TJA1102S Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250303-tja1102s-support-v1-2-180e945396e0@liebherr.com> References: <20250303-tja1102s-support-v1-0-180e945396e0@liebherr.com> In-Reply-To: <20250303-tja1102s-support-v1-0-180e945396e0@liebherr.com> To: Andrew Lunn , Heiner Kallweit , Russell King , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Dimitri Fedrau , Dimitri Fedrau , Marek Vasut , Oleksij Rempel X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1741014885; l=1657; i=dimitri.fedrau@liebherr.com; s=20241202; h=from:subject:message-id; bh=fBVwJfKA7vzb3FvQIQ+c8V1qrobOuDv18BhKafbdQZE=; b=FdXcsDo2MrmnegrJeWJl01AAbNIN2MwO2dE2AqikztnZHnXJ1ZWgENF8egIt/ke00SojEpV3+ TUBuD61aB5eBIkkczmouE+W/Fmvq7sQ/VtWqMlkvRyA+i6vbVqYln+H X-Developer-Key: i=dimitri.fedrau@liebherr.com; a=ed25519; pk=rT653x09JSQvotxIqQl4/XiI4AOiBZrdOGvxDUbb5m8= X-Endpoint-Received: by B4 Relay for dimitri.fedrau@liebherr.com/20241202 with auth_id=290 X-Original-From: Dimitri Fedrau Reply-To: dimitri.fedrau@liebherr.com X-Patchwork-Delegate: kuba@kernel.org From: Dimitri Fedrau Due to pin strapping the PHY maybe disabled per default. TJA1102 devices can be enabled by setting the PHY_EN bit. Support is provided for TJA1102S devices but can be easily added for TJA1102 too. Signed-off-by: Dimitri Fedrau Reviewed-by: Andrew Lunn --- drivers/net/phy/nxp-tja11xx.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/net/phy/nxp-tja11xx.c b/drivers/net/phy/nxp-tja11xx.c index 8f3bd27b023b5755c223b6769980aad0b76aad89..42a21371c7502a2bd08ae1a9385bf90dfab9105c 100644 --- a/drivers/net/phy/nxp-tja11xx.c +++ b/drivers/net/phy/nxp-tja11xx.c @@ -28,6 +28,7 @@ #define MII_ECTRL_POWER_MODE_MASK GENMASK(14, 11) #define MII_ECTRL_POWER_MODE_NO_CHANGE (0x0 << 11) #define MII_ECTRL_POWER_MODE_NORMAL (0x3 << 11) +#define MII_ECTRL_POWER_MODE_SLEEP (0xa << 11) #define MII_ECTRL_POWER_MODE_STANDBY (0xc << 11) #define MII_ECTRL_CABLE_TEST BIT(5) #define MII_ECTRL_CONFIG_EN BIT(2) @@ -79,6 +80,9 @@ #define MII_COMMCFG 27 #define MII_COMMCFG_AUTO_OP BIT(15) +#define MII_CFG3 28 +#define MII_CFG3_PHY_EN BIT(0) + /* Configure REF_CLK as input in RMII mode */ #define TJA110X_RMII_MODE_REFCLK_IN BIT(0) @@ -180,6 +184,14 @@ static int tja11xx_wakeup(struct phy_device *phydev) return ret; return tja11xx_enable_link_control(phydev); + case MII_ECTRL_POWER_MODE_SLEEP: + switch (phydev->phy_id & PHY_ID_MASK) { + case PHY_ID_TJA1102S: + /* Enable PHY, maybe it is disabled due to pin strapping */ + return phy_set_bits(phydev, MII_CFG3, MII_CFG3_PHY_EN); + default: + return 0; + } default: break; }