From patchwork Sat Aug 5 14:42:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Golle X-Patchwork-Id: 710677 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1A94BC0015E for ; Sat, 5 Aug 2023 14:43:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229580AbjHEOnl (ORCPT ); Sat, 5 Aug 2023 10:43:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51194 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229475AbjHEOnl (ORCPT ); Sat, 5 Aug 2023 10:43:41 -0400 Received: from pidgin.makrotopia.org (pidgin.makrotopia.org [185.142.180.65]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D8A4B1FE6; Sat, 5 Aug 2023 07:43:38 -0700 (PDT) Received: from local by pidgin.makrotopia.org with esmtpsa (TLS1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.96) (envelope-from ) id 1qSIUq-0000N9-0A; Sat, 05 Aug 2023 14:43:12 +0000 Date: Sat, 5 Aug 2023 15:42:58 +0100 From: Daniel Golle To: Andrew Lunn , Florian Fainelli , Vladimir Oltean , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , =?utf-8?b?QXLEsW7DpyDDnE5BTA==?= , Daniel Golle , Landen Chao , DENG Qingfang , Sean Wang , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH RESEND net-next 1/2] net: dsa: mt7530: register OF node for internal MDIO bus Message-ID: <6eb1b7b8dbc3a4b14becad15f0707d4f624ee18b.1691246461.git.daniel@makrotopia.org> MIME-Version: 1.0 Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: David Bauer The MT753x switches provide a switch-internal MDIO bus for the embedded PHYs. Register a OF sub-node on the switch OF-node for this internal MDIO bus. This allows to configure the embedded PHYs using device-tree. Signed-off-by: David Bauer Signed-off-by: Daniel Golle --- drivers/net/dsa/mt7530.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c index 8fbda739c1b35..9bb805de397a9 100644 --- a/drivers/net/dsa/mt7530.c +++ b/drivers/net/dsa/mt7530.c @@ -2152,10 +2152,13 @@ mt7530_setup_mdio(struct mt7530_priv *priv) { struct dsa_switch *ds = priv->ds; struct device *dev = priv->dev; + struct device_node *np, *mnp; struct mii_bus *bus; static int idx; int ret; + np = priv->dev->of_node; + bus = devm_mdiobus_alloc(dev); if (!bus) return -ENOMEM; @@ -2174,7 +2177,9 @@ mt7530_setup_mdio(struct mt7530_priv *priv) if (priv->irq) mt7530_setup_mdio_irq(priv); - ret = devm_mdiobus_register(dev, bus); + mnp = of_get_child_by_name(np, "mdio"); + ret = devm_of_mdiobus_register(dev, bus, mnp); + of_node_put(mnp); if (ret) { dev_err(dev, "failed to register MDIO bus: %d\n", ret); if (priv->irq)