From patchwork Mon Jan 16 10:39:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= X-Patchwork-Id: 13102881 X-Patchwork-Delegate: geert@linux-m68k.org 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 0AE9DC46467 for ; Mon, 16 Jan 2023 10:37:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230338AbjAPKhc (ORCPT ); Mon, 16 Jan 2023 05:37:32 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47630 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230271AbjAPKha (ORCPT ); Mon, 16 Jan 2023 05:37:30 -0500 Received: from relay8-d.mail.gandi.net (relay8-d.mail.gandi.net [217.70.183.201]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D20524EEB; Mon, 16 Jan 2023 02:37:28 -0800 (PST) Received: (Authenticated sender: clement.leger@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id 9002F1BF21D; Mon, 16 Jan 2023 10:37:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1673865447; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=fFLwBp143kB/LSaCSwLfM/ltYrhQ/PI8Cc5ar94b9Ls=; b=AbClFznbfLK1tHwzNMo1ZZTKkPrE2PqxhzA5su3b03jNpwuzLu/LnE7peKBjSobhwUqkG0 9leHb8Mf6zMwXHUR9sXmR9w3a5G944U0VQlffclPECthNy2JLnZRb5BYL9XKSpFzzShZ+N x0IXJEorQS0lKX5X80PtA2mdCXq7am2nU72Yna4/y/ect0DBBT7AkeeUu/pwjFDuFhM9VK DOp/YaUz0Te5BPx3laRY6seLPz1sX/2UY44ZbZbFBYsmPIaomWj/TnxTrS8VHV8cNh59Lm ZK7tDhU/p5gp20ED6TR33ff/aOBIx82bC0pntSwv8RSy7hql4umCa1IOb+xF6Q== From: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= To: Sergey Shtylyov , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Geert Uytterhoeven , Magnus Damm , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , Maxime Coquelin , Russell King , Wong Vee Khee , =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= , Kurt Kanzenbach , Revanth Kumar Uppala , Tan Tee Min Cc: Thomas Petazzoni , Herve Codina , =?utf-8?q?Miqu=C3=A8l_Raynal?= , Milan Stevanovic , Jimmy Lalande , Pascal Eberhard , Mohammad Athari Bin Ismail , Jon Hunter , netdev@vger.kernel.org, linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Subject: [PATCH net-next 1/6] net: stmmac: add support to use a generic phylink_pcs as PCS Date: Mon, 16 Jan 2023 11:39:21 +0100 Message-Id: <20230116103926.276869-2-clement.leger@bootlin.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230116103926.276869-1-clement.leger@bootlin.com> References: <20230116103926.276869-1-clement.leger@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org Currently, the PCS is set based on the presence of the xpcs field. In order to allow supporting other PCS, add a phylink_pcs pcs field to struct mac_device_info which is used in stmmac_mac_select_pcs() to select the correct PCS. Signed-off-by: Clément Léger --- drivers/net/ethernet/stmicro/stmmac/common.h | 2 ++ drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 5 +---- drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c | 1 + 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h index 6b5d96bced47..79fd67e8ab90 100644 --- a/drivers/net/ethernet/stmicro/stmmac/common.h +++ b/drivers/net/ethernet/stmicro/stmmac/common.h @@ -15,6 +15,7 @@ #include #include #include +#include #include #include #if IS_ENABLED(CONFIG_VLAN_8021Q) @@ -518,6 +519,7 @@ struct mac_device_info { const struct stmmac_tc_ops *tc; const struct stmmac_mmc_ops *mmc; struct dw_xpcs *xpcs; + struct phylink_pcs *phylink_pcs; struct mii_regs mii; /* MII register Addresses */ struct mac_link link; void __iomem *pcsr; /* vpointer to device CSRs */ diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index c6951c976f5d..19459ef15a35 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -937,10 +937,7 @@ static struct phylink_pcs *stmmac_mac_select_pcs(struct phylink_config *config, { struct stmmac_priv *priv = netdev_priv(to_net_dev(config->dev)); - if (!priv->hw->xpcs) - return NULL; - - return &priv->hw->xpcs->pcs; + return priv->hw->phylink_pcs; } static void stmmac_mac_config(struct phylink_config *config, unsigned int mode, diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c index 5f177ea80725..3e875d4664c0 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c @@ -413,6 +413,7 @@ int stmmac_xpcs_setup(struct mii_bus *bus) } priv->hw->xpcs = xpcs; + priv->hw->phylink_pcs = &xpcs->pcs; break; } From patchwork Mon Jan 16 10:39:22 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= X-Patchwork-Id: 13102882 X-Patchwork-Delegate: geert@linux-m68k.org 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 86D75C63797 for ; Mon, 16 Jan 2023 10:37:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230362AbjAPKhx (ORCPT ); Mon, 16 Jan 2023 05:37:53 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47748 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230345AbjAPKhe (ORCPT ); Mon, 16 Jan 2023 05:37:34 -0500 Received: from relay8-d.mail.gandi.net (relay8-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::228]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A80001ABF6; Mon, 16 Jan 2023 02:37:32 -0800 (PST) Received: (Authenticated sender: clement.leger@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id C22B81BF20F; Mon, 16 Jan 2023 10:37:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1673865451; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=zFrzbQs6DBkVtnyahobtjh31MGPBAW1dTiQwftQXLks=; b=lpOY2YAKxIV5kGlhG39PrZHAd6uGqVMMIdHp8QLXhN4glL0P3+iXbJeJBmbQfnHzc0J/Wh miZw8GwjzWcThFHEgjnLGIqrLBzdIJnK6GiyawrCr64Cp9MbfpU9QpgAKY8Zxko7W8HezE VoLIbn19Yoj3VGe3PypOD2GrzelhKh1aqmFnSzTh4dD/A3bRfvEQbie64UZwC5VcaKKifW p7XLa8GdPUOBTBJgsjmj5hheWuCggbO/6Vq95S5Bq2+CHs6AvnyYtRWGS0eD0E+wf7Fn5c kiyBXu0I5N+HGgBr/zT/mpuNGo2luzPDZ/D51B3dDw8gOYWHWhEkBIjcAIg9hg== From: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= To: Sergey Shtylyov , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Geert Uytterhoeven , Magnus Damm , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , Maxime Coquelin , Russell King , Wong Vee Khee , =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= , Kurt Kanzenbach , Revanth Kumar Uppala , Tan Tee Min Cc: Thomas Petazzoni , Herve Codina , =?utf-8?q?Miqu=C3=A8l_Raynal?= , Milan Stevanovic , Jimmy Lalande , Pascal Eberhard , Mohammad Athari Bin Ismail , Jon Hunter , netdev@vger.kernel.org, linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Subject: [PATCH net-next 2/6] net: stmmac: add support to provide pcs from platform data Date: Mon, 16 Jan 2023 11:39:22 +0100 Message-Id: <20230116103926.276869-3-clement.leger@bootlin.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230116103926.276869-1-clement.leger@bootlin.com> References: <20230116103926.276869-1-clement.leger@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org Add a pcs field in platform_data to allow providing platform data. This is gonig to be used by the renesas,rzn1-gmac compatible driver which can make use of a PCS. Signed-off-by: Clément Léger --- drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 3 +++ include/linux/stmmac.h | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 19459ef15a35..f2247b8cf0a3 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -7287,6 +7287,9 @@ int stmmac_dvr_probe(struct device *device, goto error_xpcs_setup; } + if (priv->plat->pcs) + priv->hw->phylink_pcs = priv->plat->pcs; + ret = stmmac_phy_setup(priv); if (ret) { netdev_err(ndev, "failed to setup phy (%d)\n", ret); diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h index 83ca2e8eb6b5..af09d5e0ca4b 100644 --- a/include/linux/stmmac.h +++ b/include/linux/stmmac.h @@ -272,5 +272,6 @@ struct plat_stmmacenet_data { bool use_phy_wol; bool sph_disable; bool serdes_up_after_phy_linkup; + struct phylink_pcs *pcs; }; #endif From patchwork Mon Jan 16 10:39:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= X-Patchwork-Id: 13102883 X-Patchwork-Delegate: geert@linux-m68k.org 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 35769C54EBE for ; Mon, 16 Jan 2023 10:38:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230386AbjAPKiH (ORCPT ); Mon, 16 Jan 2023 05:38:07 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48372 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230387AbjAPKhz (ORCPT ); Mon, 16 Jan 2023 05:37:55 -0500 Received: from relay8-d.mail.gandi.net (relay8-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::228]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1B3031BAFD; Mon, 16 Jan 2023 02:37:35 -0800 (PST) Received: (Authenticated sender: clement.leger@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id 2BAD51BF20D; Mon, 16 Jan 2023 10:37:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1673865454; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=otK04t6Fq+0COownezUclLPHt9Yq8LgEt2fdJEWCBeY=; b=SgVpIa9+7N5kErKew4ZANdCP3OgDdChVG7HEXYslpXSzH7kvthC+fDHeFxhnov9U3/LWVX VjRKdfUkztdgeLWQV1qbhW2EjzVSlFpO8oSVajOsieEF5LJzu54hu5F81H9DiiyJF7NXv0 wusfQa+cj2Gy/i3aL23RJ+Zv0wh4sjwGsaBGQec3wlbJNGwMlq8kPckzFNJi2DRSbVixKU LzcPKzCgm5A74SLyL/SVLgE5+cDHuffnhAYISWss/MI41KnD23sfO3JYTXtgxzKCk+YoIG Z1EEoADo6NCN6Ok1TK6/zLEBuVeLaGIXzAJkzXKCE6IYT0o35UVIu/nQVDb6UQ== From: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= To: Sergey Shtylyov , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Geert Uytterhoeven , Magnus Damm , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , Maxime Coquelin , Russell King , Wong Vee Khee , =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= , Kurt Kanzenbach , Revanth Kumar Uppala , Tan Tee Min Cc: Thomas Petazzoni , Herve Codina , =?utf-8?q?Miqu=C3=A8l_Raynal?= , Milan Stevanovic , Jimmy Lalande , Pascal Eberhard , Mohammad Athari Bin Ismail , Jon Hunter , netdev@vger.kernel.org, linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Subject: [PATCH net-next 3/6] net: stmmac: start phylink before setting up hardware Date: Mon, 16 Jan 2023 11:39:23 +0100 Message-Id: <20230116103926.276869-4-clement.leger@bootlin.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230116103926.276869-1-clement.leger@bootlin.com> References: <20230116103926.276869-1-clement.leger@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org The stmmac on the Renesas RZ/N1 platform is connected to the PCS which must be configured to provide a correct RGMII RX clock to the stmmac IP. Without the RX clock, the driver will fail to initialize the hardware (more specifically, the driver will report it fails to reset DMA). In order to fix that, start phylink mecanism before setting up hardware. Signed-off-by: Clément Léger --- drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index f2247b8cf0a3..88c941003855 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -3818,6 +3818,12 @@ static int __stmmac_open(struct net_device *dev, } } + /* We need to setup the phy & PCS before accessing the stmmac registers + * because in some cases (RZ/N1), if the stmmac IP is not clocked by the + * PCS, hardware init will fail because it lacks a RGMII RX clock. + */ + phylink_start(priv->phylink); + ret = stmmac_hw_setup(dev, true); if (ret < 0) { netdev_err(priv->dev, "%s: Hw setup failed\n", __func__); @@ -3826,7 +3832,6 @@ static int __stmmac_open(struct net_device *dev, stmmac_init_coalesce(priv); - phylink_start(priv->phylink); /* We may have called phylink_speed_down before */ phylink_speed_up(priv->phylink); From patchwork Mon Jan 16 10:39:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= X-Patchwork-Id: 13102890 X-Patchwork-Delegate: geert@linux-m68k.org 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 09A83C46467 for ; Mon, 16 Jan 2023 10:38:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230466AbjAPKi2 (ORCPT ); Mon, 16 Jan 2023 05:38:28 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48646 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230355AbjAPKiE (ORCPT ); Mon, 16 Jan 2023 05:38:04 -0500 Received: from relay8-d.mail.gandi.net (relay8-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::228]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3C2B21C333; Mon, 16 Jan 2023 02:37:39 -0800 (PST) Received: (Authenticated sender: clement.leger@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id B73DD1BF205; Mon, 16 Jan 2023 10:37:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1673865458; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=8IX0izh2qofZ81a22loEnqRs/JS0gZcUvR46cRLlzA4=; b=Ul2TaPHJ72dnl9AUb/svtGLqKtHwaC9hu+8cfbE58IJMFk7P8p2Q9ki/B2PYcCI//1fC8h YDr6I12YRfabH7sEZ1OR2zVo53NdyddkAJ7KNl4ayzug5fkZhmGyfwX/SrfU88U7OpvbsI 0hR2D4PO0H451Edzvtl3jkoSGAddyX4dGf8sAKdE8S9041RvxxSHgaENf1hr2i1K5I9nIo a7o232pHJVjebRULTZ2+/ugoExFg1wDHnWH57wNBvBe9FWGx2bEf7SRRfiQ4P7JgE6Xym9 PfP34jYmx+zlNodo9OcpcjO4XPDoQp7k76+ik2h8i7nBQbvRdMmPLvOZ/SH2xg== From: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= To: Sergey Shtylyov , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Geert Uytterhoeven , Magnus Damm , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , Maxime Coquelin , Russell King , Wong Vee Khee , =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= , Kurt Kanzenbach , Revanth Kumar Uppala , Tan Tee Min Cc: Thomas Petazzoni , Herve Codina , =?utf-8?q?Miqu=C3=A8l_Raynal?= , Milan Stevanovic , Jimmy Lalande , Pascal Eberhard , Mohammad Athari Bin Ismail , Jon Hunter , netdev@vger.kernel.org, linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Subject: [PATCH net-next 4/6] dt-bindings: net: renesas,rzn1-gmac: Document RZ/N1 GMAC support Date: Mon, 16 Jan 2023 11:39:24 +0100 Message-Id: <20230116103926.276869-5-clement.leger@bootlin.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230116103926.276869-1-clement.leger@bootlin.com> References: <20230116103926.276869-1-clement.leger@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org Add "renesas,rzn1-gmac" binding documention which is compatible which "snps,dwmac" compatible driver but uses a custom PCS to communicate with the phy. Signed-off-by: Clément Léger --- .../bindings/net/renesas,rzn1-gmac.yaml | 71 +++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/renesas,rzn1-gmac.yaml diff --git a/Documentation/devicetree/bindings/net/renesas,rzn1-gmac.yaml b/Documentation/devicetree/bindings/net/renesas,rzn1-gmac.yaml new file mode 100644 index 000000000000..effb9a312832 --- /dev/null +++ b/Documentation/devicetree/bindings/net/renesas,rzn1-gmac.yaml @@ -0,0 +1,71 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/renesas,rzn1-gmac.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas GMAC1 Device Tree Bindings + +maintainers: + - Clément Léger + +select: + properties: + compatible: + contains: + enum: + - renesas,r9a06g032-gmac + - renesas,rzn1-gmac + required: + - compatible + +allOf: + - $ref: "snps,dwmac.yaml#" + +properties: + compatible: + additionalItems: true + maxItems: 3 + items: + - enum: + - renesas,r9a06g032-gmac + - renesas,rzn1-gmac + contains: + enum: + - snps,dwmac + + pcs-handle: + description: + phandle pointing to a PCS sub-node compatible with + renesas,rzn1-miic.yaml# + $ref: /schemas/types.yaml#/definitions/phandle + +required: + - compatible + +unevaluatedProperties: false + +examples: + - | + #include + #include + + ethernet@44000000 { + compatible = "renesas,rzn1-gmac"; + reg = <0x44000000 0x2000>; + interrupt-parent = <&gic>; + interrupts = , + , + ; + interrupt-names = "macirq", "eth_wake_irq", "eth_lpi"; + clock-names = "stmmaceth"; + clocks = <&sysctrl R9A06G032_HCLK_GMAC0>; + snps,multicast-filter-bins = <256>; + snps,perfect-filter-entries = <128>; + tx-fifo-depth = <2048>; + rx-fifo-depth = <4096>; + pcs-handle = <&mii_conv1>; + phy-mode = "mii"; + }; + +... From patchwork Mon Jan 16 10:39:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= X-Patchwork-Id: 13102892 X-Patchwork-Delegate: geert@linux-m68k.org 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 0E0B7C54EBE for ; Mon, 16 Jan 2023 10:39:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230354AbjAPKi7 (ORCPT ); Mon, 16 Jan 2023 05:38:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48384 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230432AbjAPKiI (ORCPT ); Mon, 16 Jan 2023 05:38:08 -0500 Received: from relay8-d.mail.gandi.net (relay8-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::228]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9B12B1DB94; Mon, 16 Jan 2023 02:37:43 -0800 (PST) Received: (Authenticated sender: clement.leger@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id BC2171BF209; Mon, 16 Jan 2023 10:37:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1673865462; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=I+Us5lv8xld8eqsPb/evOZggsVSLf7Sgj5llfAKoG5I=; b=mJkUiTptTSRGfXw8P9mTDzGI4JN8V6hcgFu3CWUDL66aX8ghlnzjY02So9m5hgI2m6fb2F ZUWQotvyL2G8gQKD3/fswyIBNng9N8FyvqbaXh/MMgZSvTkOE2+1kdBviKYzrStWTcHReK eW5098JUCH5EUTKrh6Mdu/q0Jx0ZTieiOy/4g2fo3dkXrFAKVjqtwmBhI/ZIJKUzJ0uiUW pYZE+RLT6fM1NDzaowpa8gpNFRwbYYKAxGCrtCcxtjtImGICahf/ylXheVt6OUPPv72Zz5 mQ4OCOo3xLgiFzc1cXVuRjZmGxxIqvbzPc8O/CL3h4nIZR38aIJH1/qz2C0OxQ== From: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= To: Sergey Shtylyov , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Geert Uytterhoeven , Magnus Damm , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , Maxime Coquelin , Russell King , Wong Vee Khee , =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= , Kurt Kanzenbach , Revanth Kumar Uppala , Tan Tee Min Cc: Thomas Petazzoni , Herve Codina , =?utf-8?q?Miqu=C3=A8l_Raynal?= , Milan Stevanovic , Jimmy Lalande , Pascal Eberhard , Mohammad Athari Bin Ismail , Jon Hunter , netdev@vger.kernel.org, linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Subject: [PATCH net-next 5/6] net: stmmac: add support for RZ/N1 GMAC Date: Mon, 16 Jan 2023 11:39:25 +0100 Message-Id: <20230116103926.276869-6-clement.leger@bootlin.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230116103926.276869-1-clement.leger@bootlin.com> References: <20230116103926.276869-1-clement.leger@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org Add support for Renesas RZ/N1 GMAC. This support uses a custom PCS (MIIC) which is handle by parsing the pcs-handle device tree property. Signed-off-by: Clément Léger --- drivers/net/ethernet/stmicro/stmmac/Kconfig | 11 ++ drivers/net/ethernet/stmicro/stmmac/Makefile | 1 + .../net/ethernet/stmicro/stmmac/dwmac-rzn1.c | 113 ++++++++++++++++++ 3 files changed, 125 insertions(+) create mode 100644 drivers/net/ethernet/stmicro/stmmac/dwmac-rzn1.c diff --git a/drivers/net/ethernet/stmicro/stmmac/Kconfig b/drivers/net/ethernet/stmicro/stmmac/Kconfig index f77511fe4e87..be5429b7e192 100644 --- a/drivers/net/ethernet/stmicro/stmmac/Kconfig +++ b/drivers/net/ethernet/stmicro/stmmac/Kconfig @@ -153,6 +153,17 @@ config DWMAC_ROCKCHIP This selects the Rockchip RK3288 SoC glue layer support for the stmmac device driver. +config DWMAC_RZN1 + tristate "Renesas RZ/N1 dwmac support" + default ARCH_RZN1 + depends on OF && (ARCH_RZN1 || COMPILE_TEST) + select PCS_RZN1_MIIC + help + Support for Ethernet controller on Renesas RZ/N1 SoC family. + + This selects the Renesas RZ/N1 SoC glue layer support for + the stmmac device driver. + config DWMAC_SOCFPGA tristate "SOCFPGA dwmac support" default ARCH_INTEL_SOCFPGA diff --git a/drivers/net/ethernet/stmicro/stmmac/Makefile b/drivers/net/ethernet/stmicro/stmmac/Makefile index 057e4bab5c08..53a0f74c1cb5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/Makefile +++ b/drivers/net/ethernet/stmicro/stmmac/Makefile @@ -22,6 +22,7 @@ obj-$(CONFIG_DWMAC_MESON) += dwmac-meson.o dwmac-meson8b.o obj-$(CONFIG_DWMAC_OXNAS) += dwmac-oxnas.o obj-$(CONFIG_DWMAC_QCOM_ETHQOS) += dwmac-qcom-ethqos.o obj-$(CONFIG_DWMAC_ROCKCHIP) += dwmac-rk.o +obj-$(CONFIG_DWMAC_RZN1) += dwmac-rzn1.o obj-$(CONFIG_DWMAC_SOCFPGA) += dwmac-altr-socfpga.o obj-$(CONFIG_DWMAC_STI) += dwmac-sti.o obj-$(CONFIG_DWMAC_STM32) += dwmac-stm32.o diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rzn1.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rzn1.c new file mode 100644 index 000000000000..427b239e9772 --- /dev/null +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rzn1.c @@ -0,0 +1,113 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (C) 2022 Schneider-Electric + * + * Clément Léger + */ + +#include +#include +#include +#include + +#include "stmmac_platform.h" +#include "stmmac.h" + +struct rzn1_dwmac { + struct phylink_pcs *pcs; +}; + +static int rzn1_dt_parse(struct device *dev, struct rzn1_dwmac *dwmac) +{ + struct device_node *np = dev->of_node; + struct device_node *pcs_node; + struct phylink_pcs *pcs; + + pcs_node = of_parse_phandle(np, "pcs-handle", 0); + if (!pcs_node) + return 0; + + pcs = miic_create(dev, pcs_node); + if (IS_ERR(pcs)) + return PTR_ERR(pcs); + + dwmac->pcs = pcs; + + return 0; +} + +static int rzn1_dwmac_probe(struct platform_device *pdev) +{ + struct plat_stmmacenet_data *plat_dat; + struct stmmac_resources stmmac_res; + struct device *dev = &pdev->dev; + struct rzn1_dwmac *dwmac; + int ret; + + ret = stmmac_get_platform_resources(pdev, &stmmac_res); + if (ret) + return ret; + + plat_dat = stmmac_probe_config_dt(pdev, stmmac_res.mac); + if (IS_ERR(plat_dat)) + return PTR_ERR(plat_dat); + + dwmac = devm_kzalloc(dev, sizeof(*dwmac), GFP_KERNEL); + if (!dwmac) { + ret = -ENOMEM; + goto err_remove_config_dt; + } + + ret = rzn1_dt_parse(dev, dwmac); + if (ret) + goto err_remove_config_dt; + + plat_dat->bsp_priv = dwmac; + plat_dat->pcs = dwmac->pcs; + + ret = stmmac_dvr_probe(dev, plat_dat, &stmmac_res); + if (ret) + goto err_free_pcs; + + return 0; + +err_free_pcs: + if (dwmac->pcs) + miic_destroy(dwmac->pcs); + +err_remove_config_dt: + stmmac_remove_config_dt(pdev, plat_dat); + + return ret; +} + +static int rzn1_dwmac_remove(struct platform_device *pdev) +{ + struct rzn1_dwmac *dwmac = get_stmmac_bsp_priv(&pdev->dev); + int ret = stmmac_dvr_remove(&pdev->dev); + + if (dwmac->pcs) + miic_destroy(dwmac->pcs); + + return ret; +} + +static const struct of_device_id rzn1_dwmac_match[] = { + { .compatible = "renesas,rzn1-gmac" }, + { } +}; +MODULE_DEVICE_TABLE(of, rzn1_dwmac_match); + +static struct platform_driver rzn1_dwmac_driver = { + .probe = rzn1_dwmac_probe, + .remove = rzn1_dwmac_remove, + .driver = { + .name = "rzn1-dwmac", + .of_match_table = rzn1_dwmac_match, + }, +}; +module_platform_driver(rzn1_dwmac_driver); + +MODULE_AUTHOR("Clément Léger "); +MODULE_DESCRIPTION("Renesas RZN1 DWMAC specific glue layer"); +MODULE_LICENSE("GPL"); From patchwork Mon Jan 16 10:39:26 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= X-Patchwork-Id: 13102891 X-Patchwork-Delegate: geert@linux-m68k.org 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 E86E0C54EBE for ; Mon, 16 Jan 2023 10:38:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229448AbjAPKi5 (ORCPT ); Mon, 16 Jan 2023 05:38:57 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48414 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230451AbjAPKi0 (ORCPT ); Mon, 16 Jan 2023 05:38:26 -0500 Received: from relay8-d.mail.gandi.net (relay8-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::228]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E68F11BAC8; Mon, 16 Jan 2023 02:37:47 -0800 (PST) Received: (Authenticated sender: clement.leger@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id 4B56B1BF20A; Mon, 16 Jan 2023 10:37:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1673865466; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=F2K1Mbt7RBxJUSeZsp99AVJE/j6M83BKYvRqSEdsUyg=; b=ni7gaZF5HJZx+zkg5hiab2MC4kcDWihpD1NqI/ROpWizbGwpqSuutcJbaIdPkKju4uRGTc QtdMCtRZ8dQwLXymoATD6m7+pNnp/rh4nK0rQ0fTQ+h2a1GRwuV6Ei1lGIcx7NtXbLrpEk C9BWYltQoN7cldemrj8von0/dWmEdLaBIMIUuMmh5Cy1T8/2fRXf7Lqdsl2poLePkRQpOL M8bRTJsIfAle8Pl4pWCEsvdYTp0uW1FtYLvIlcBYeq1eYQ3NcXrp8DQUyLFzK6SZZ2K3gA WFPBFse00b0UW+40eRLCS7YC3hWrybqNXT+4xYzrjKX93TqEDIBajvG6vOs4nQ== From: =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= To: Sergey Shtylyov , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Geert Uytterhoeven , Magnus Damm , Giuseppe Cavallaro , Alexandre Torgue , Jose Abreu , Maxime Coquelin , Russell King , Wong Vee Khee , =?utf-8?b?Q2zDqW1lbnQgTMOpZ2Vy?= , Kurt Kanzenbach , Revanth Kumar Uppala , Tan Tee Min Cc: Thomas Petazzoni , Herve Codina , =?utf-8?q?Miqu=C3=A8l_Raynal?= , Milan Stevanovic , Jimmy Lalande , Pascal Eberhard , Mohammad Athari Bin Ismail , Jon Hunter , netdev@vger.kernel.org, linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Subject: [PATCH net-next 6/6] ARM: dts: r9a06g032: describe GMAC1 Date: Mon, 16 Jan 2023 11:39:26 +0100 Message-Id: <20230116103926.276869-7-clement.leger@bootlin.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230116103926.276869-1-clement.leger@bootlin.com> References: <20230116103926.276869-1-clement.leger@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org RZ/N1 SoC includes two MAC named GMACx that are compatible with the "snps,dwmac" driver. GMAC1 is connected directly to the MII converter port 1. Since this MII converter is represented using a PCS driver, it uses the renesas specific compatible driver which uses this PCS. Signed-off-by: Clément Léger --- arch/arm/boot/dts/r9a06g032.dtsi | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/arch/arm/boot/dts/r9a06g032.dtsi b/arch/arm/boot/dts/r9a06g032.dtsi index 41e19c0986ce..ba32e4429b01 100644 --- a/arch/arm/boot/dts/r9a06g032.dtsi +++ b/arch/arm/boot/dts/r9a06g032.dtsi @@ -304,6 +304,24 @@ dma1: dma-controller@40105000 { data-width = <8>; }; + gmac1: ethernet@44000000 { + compatible = "renesas,r9a06g032-gmac", "renesas,rzn1-gmac", "snps,dwmac"; + reg = <0x44000000 0x2000>; + interrupt-parent = <&gic>; + interrupts = , + , + ; + interrupt-names = "macirq", "eth_wake_irq", "eth_lpi"; + clock-names = "stmmaceth"; + clocks = <&sysctrl R9A06G032_HCLK_GMAC0>; + snps,multicast-filter-bins = <256>; + snps,perfect-filter-entries = <128>; + tx-fifo-depth = <2048>; + rx-fifo-depth = <4096>; + pcs-handle = <&mii_conv1>; + status = "disabled"; + }; + gmac2: ethernet@44002000 { compatible = "renesas,r9a06g032-gmac", "renesas,rzn1-gmac", "snps,dwmac"; reg = <0x44002000 0x2000>;