From patchwork Thu Jul 20 13:25:56 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oleksij Rempel X-Patchwork-Id: 704653 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 08FD2C04A6A for ; Thu, 20 Jul 2023 13:26:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231882AbjGTN0d (ORCPT ); Thu, 20 Jul 2023 09:26:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44958 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231876AbjGTN0a (ORCPT ); Thu, 20 Jul 2023 09:26:30 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ADAFC1722 for ; Thu, 20 Jul 2023 06:26:29 -0700 (PDT) Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qMTfL-0007aN-QI; Thu, 20 Jul 2023 15:25:59 +0200 Received: from [2a0a:edc0:0:1101:1d::ac] (helo=dude04.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1qMTfK-000qcF-DI; Thu, 20 Jul 2023 15:25:58 +0200 Received: from ore by dude04.red.stw.pengutronix.de with local (Exim 4.96) (envelope-from ) id 1qMTfJ-000Ezt-15; Thu, 20 Jul 2023 15:25:57 +0200 From: Oleksij Rempel To: "David S. Miller" , Andrew Lunn , Eric Dumazet , Florian Fainelli , Jakub Kicinski , Paolo Abeni , Vladimir Oltean , Woojung Huh , Arun Ramadoss , Conor Dooley , Krzysztof Kozlowski , Rob Herring Cc: Oleksij Rempel , kernel@pengutronix.de, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, UNGLinuxDriver@microchip.com, "Russell King (Oracle)" , devicetree@vger.kernel.org Subject: [PATCH net-next v1 6/6] net: dsa: microchip: ksz9477: make switch MAC address configurable Date: Thu, 20 Jul 2023 15:25:56 +0200 Message-Id: <20230720132556.57562-7-o.rempel@pengutronix.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230720132556.57562-1-o.rempel@pengutronix.de> References: <20230720132556.57562-1-o.rempel@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: ore@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: devicetree@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The switch MAC address is used for sending pause frames and for Wake on Magic Packet. So, make use of local-mac-address property in the switch node root and configure it in the HW. Signed-off-by: Oleksij Rempel --- drivers/net/dsa/microchip/ksz9477.c | 8 ++++++++ drivers/net/dsa/microchip/ksz_common.c | 7 +++++++ drivers/net/dsa/microchip/ksz_common.h | 2 ++ 3 files changed, 17 insertions(+) diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c index 1a3d7ae5970e2..f3c59f5fd4dc2 100644 --- a/drivers/net/dsa/microchip/ksz9477.c +++ b/drivers/net/dsa/microchip/ksz9477.c @@ -1211,6 +1211,14 @@ int ksz9477_setup(struct dsa_switch *ds) if (dev->wakeup_source) ksz_write8(dev, REG_SW_PME_CTRL, PME_ENABLE); + if (is_valid_ether_addr(dev->mac_addr)) { + int i; + + for (i = 0; i < ETH_ALEN; i++) + ksz_write8(dev, REG_SW_MAC_ADDR_0 + i, + dev->mac_addr[i]); + } + return 0; } diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index 354cc5333675b..b6ad1f2dddf3b 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -3686,6 +3686,8 @@ int ksz_switch_register(struct ksz_device *dev) for (port_num = 0; port_num < dev->info->port_cnt; ++port_num) dev->ports[port_num].interface = PHY_INTERFACE_MODE_NA; if (dev->dev->of_node) { + const u8 *mac; + ret = of_get_phy_mode(dev->dev->of_node, &interface); if (ret == 0) dev->compat_interface = interface; @@ -3720,6 +3722,11 @@ int ksz_switch_register(struct ksz_device *dev) dev->wakeup_source = of_property_read_bool(dev->dev->of_node, "wakeup-source"); + + mac = of_get_property(dev->dev->of_node, "local-mac-address", + NULL); + if (mac) + memcpy(dev->mac_addr, mac, ETH_ALEN); } ret = dsa_register_switch(dev->ds); diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h index b67bb9b4631ea..adedc95c60fac 100644 --- a/drivers/net/dsa/microchip/ksz_common.h +++ b/drivers/net/dsa/microchip/ksz_common.h @@ -171,6 +171,8 @@ struct ksz_device { struct mutex lock_irq; /* IRQ Access */ struct ksz_irq girq; struct ksz_ptp_data ptp_data; + + u8 mac_addr[ETH_ALEN]; }; /* List of supported models */