From patchwork Tue May 19 14:18:10 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Murphy X-Patchwork-Id: 218994 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.9 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D6056C433E1 for ; Tue, 19 May 2020 14:18:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B363F20825 for ; Tue, 19 May 2020 14:18:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="YB87mYSD" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729234AbgESOSY (ORCPT ); Tue, 19 May 2020 10:18:24 -0400 Received: from lelv0142.ext.ti.com ([198.47.23.249]:42454 "EHLO lelv0142.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729178AbgESOSW (ORCPT ); Tue, 19 May 2020 10:18:22 -0400 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 04JEIHGx002657; Tue, 19 May 2020 09:18:17 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1589897897; bh=MZrjMwwBACnlEh0VPVJlinuPYM86wKfIfyCEBI63ZJI=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=YB87mYSDTFQwN9dN8/kxrU/JX7G6cM8Kz7bRBaGCdqcZZp/EDlRoL2vcKjPVKBgXs J71RuA37EM85otLXu9/LM/rF72VAyW4F3UA6t1OudDcO2ccJMB/ak2kJi/4Yoxvbos FijePEsOJjDPLm5VLMAFrTxr8tdJT4n0dT1P4Xdo= Received: from DLEE111.ent.ti.com (dlee111.ent.ti.com [157.170.170.22]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 04JEIH0J057212 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 19 May 2020 09:18:17 -0500 Received: from DLEE109.ent.ti.com (157.170.170.41) by DLEE111.ent.ti.com (157.170.170.22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Tue, 19 May 2020 09:18:16 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DLEE109.ent.ti.com (157.170.170.41) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Tue, 19 May 2020 09:18:16 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 04JEIFEL124796; Tue, 19 May 2020 09:18:16 -0500 From: Dan Murphy To: , , , CC: , , , Dan Murphy Subject: [PATCH net-next 1/4] net: phy: dp83869: Update port-mirroring to read straps Date: Tue, 19 May 2020 09:18:10 -0500 Message-ID: <20200519141813.28167-2-dmurphy@ti.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200519141813.28167-1-dmurphy@ti.com> References: <20200519141813.28167-1-dmurphy@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The device tree may not have the property set for port mirroring because the hardware may have it strapped. If the property is not in the DT then check the straps and set the port mirroring bit appropriately. Signed-off-by: Dan Murphy --- drivers/net/phy/dp83869.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/drivers/net/phy/dp83869.c b/drivers/net/phy/dp83869.c index 7996a4aea8d2..073a0f7754a5 100644 --- a/drivers/net/phy/dp83869.c +++ b/drivers/net/phy/dp83869.c @@ -66,6 +66,7 @@ /* STRAP_STS1 bits */ #define DP83869_STRAP_STS1_RESERVED BIT(11) +#define DP83869_STRAP_MIRROR_ENABLED BIT(12) /* PHYCTRL bits */ #define DP83869_RX_FIFO_SHIFT 12 @@ -191,10 +192,18 @@ static int dp83869_of_init(struct phy_device *phydev) else if (of_property_read_bool(of_node, "ti,min-output-impedance")) dp83869->io_impedance = DP83869_IO_MUX_CFG_IO_IMPEDANCE_MIN; - if (of_property_read_bool(of_node, "enet-phy-lane-swap")) + if (of_property_read_bool(of_node, "enet-phy-lane-swap")) { dp83869->port_mirroring = DP83869_PORT_MIRRORING_EN; - else - dp83869->port_mirroring = DP83869_PORT_MIRRORING_DIS; + } else { + /* If the lane swap is not in the DT then check the straps */ + ret = phy_read_mmd(phydev, DP83869_DEVADDR, DP83869_STRAP_STS1); + if (ret < 0) + return ret; + if (ret & DP83869_STRAP_MIRROR_ENABLED) + dp83869->port_mirroring = DP83869_PORT_MIRRORING_EN; + else + dp83869->port_mirroring = DP83869_PORT_MIRRORING_DIS; + } if (of_property_read_u32(of_node, "rx-fifo-depth", &dp83869->rx_fifo_depth)) From patchwork Tue May 19 14:18:11 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Murphy X-Patchwork-Id: 218993 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.9 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EFE36C433E1 for ; Tue, 19 May 2020 14:18:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D051B20829 for ; Tue, 19 May 2020 14:18:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="ADoH+zyr" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729248AbgESOSZ (ORCPT ); Tue, 19 May 2020 10:18:25 -0400 Received: from fllv0016.ext.ti.com ([198.47.19.142]:58230 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729193AbgESOSW (ORCPT ); Tue, 19 May 2020 10:18:22 -0400 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 04JEIIZE072941; Tue, 19 May 2020 09:18:18 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1589897898; bh=3+JLyobE6CLV4WmdNv4VMaXp4knXgWi6fteWMgKn13U=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=ADoH+zyr5MIRS2MXLxf2ZMml+U1sLZaPUz1WZVYa6qpXSaxpca9eZM28NUgXkBVo1 bVl2nRJpXjY9ibRgL0hRiocT+khDedK4qBW7AMpbqRC9S2QRpY44x5N6b+YISr9moq j3SkgbWc2+VsXgwbbJVjpkVnENv7drfp3AZo/c40= Received: from DLEE109.ent.ti.com (dlee109.ent.ti.com [157.170.170.41]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTP id 04JEIIm4026411; Tue, 19 May 2020 09:18:18 -0500 Received: from DLEE114.ent.ti.com (157.170.170.25) by DLEE109.ent.ti.com (157.170.170.41) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Tue, 19 May 2020 09:18:18 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DLEE114.ent.ti.com (157.170.170.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Tue, 19 May 2020 09:18:18 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 04JEIHQr058715; Tue, 19 May 2020 09:18:17 -0500 From: Dan Murphy To: , , , CC: , , , Dan Murphy Subject: [PATCH net-next 2/4] net: phy: dp83869: Set opmode from straps Date: Tue, 19 May 2020 09:18:11 -0500 Message-ID: <20200519141813.28167-3-dmurphy@ti.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200519141813.28167-1-dmurphy@ti.com> References: <20200519141813.28167-1-dmurphy@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org If the op-mode for the device is not set in the device tree then set the strapped op-mode and store it for later configuration. Signed-off-by: Dan Murphy --- drivers/net/phy/dp83869.c | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/drivers/net/phy/dp83869.c b/drivers/net/phy/dp83869.c index 073a0f7754a5..64fa2d911074 100644 --- a/drivers/net/phy/dp83869.c +++ b/drivers/net/phy/dp83869.c @@ -65,6 +65,7 @@ #define DP83869_RGMII_RX_CLK_DELAY_EN BIT(0) /* STRAP_STS1 bits */ +#define DP83869_STRAP_OP_MODE_MASK GENMASK(2, 0) #define DP83869_STRAP_STS1_RESERVED BIT(11) #define DP83869_STRAP_MIRROR_ENABLED BIT(12) @@ -161,6 +162,20 @@ static int dp83869_config_port_mirroring(struct phy_device *phydev) DP83869_CFG3_PORT_MIRROR_EN); } +static int dp83869_set_strapped_mode(struct phy_device *phydev) +{ + struct dp83869_private *dp83869 = phydev->priv; + u16 val; + + val = phy_read_mmd(phydev, DP83869_DEVADDR, DP83869_STRAP_STS1); + if (val < 0) + return val; + + dp83869->mode = val & DP83869_STRAP_OP_MODE_MASK; + + return 0; +} + #ifdef CONFIG_OF_MDIO static int dp83869_of_init(struct phy_device *phydev) { @@ -185,6 +200,10 @@ static int dp83869_of_init(struct phy_device *phydev) if (dp83869->mode < DP83869_RGMII_COPPER_ETHERNET || dp83869->mode > DP83869_SGMII_COPPER_ETHERNET) return -EINVAL; + } else { + ret = dp83869_set_strapped_mode(phydev); + if (ret) + return ret; } if (of_property_read_bool(of_node, "ti,max-output-impedance")) @@ -218,7 +237,7 @@ static int dp83869_of_init(struct phy_device *phydev) #else static int dp83869_of_init(struct phy_device *phydev) { - return 0; + return dp83869_set_strapped_mode(phydev); } #endif /* CONFIG_OF_MDIO */