From patchwork Wed Feb 3 09:18:51 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oleksij Rempel X-Patchwork-Id: 1435198 Return-Path: X-Original-To: incoming-imx@patchwork.ozlabs.org Delivered-To: patchwork-incoming-imx@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=2001:8b0:10b:1231::1; helo=merlin.infradead.org; envelope-from=linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; secure) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=merlin.20170209 header.b=luTvmxa6; dkim-atps=neutral Received: from merlin.infradead.org (merlin.infradead.org [IPv6:2001:8b0:10b:1231::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4DVx3R2Th9z9tkb for ; Wed, 3 Feb 2021 20:20:03 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=bGEwdA6+K1x5nxtcGI3cv/gt1XeS1TuvWUb/LVSAMrE=; b=luTvmxa69hbvU1BTmmnye3OpD IxkoS4DROhZvIlwauzws6oAC8Ut0ARiSJ5Iv8rZ7Pyhj82WUM0NLi3f5T5Rp9yiqcnOjD3KqFhb3r QEUsg3KX9ohCEy+/Bb57ZT+Cv0PfB4L1Dhvc2MPBy4gqFpSC6kba+1qE6i6Xug0tvUQjjXu0Ds6Sx hhZvTwsDY0BbCsNsM31qVigk6oA00hyYSfgsYbRfnhk7xBA2t3LXeacLAzhzWzGSKwyTRcd17vBmf +8U9hvypo+yQat+7eVn9vWOLDus1c15IjYh82YjI6jZhhwFKjd5INdcqzI+6Gz43xQJhjD/7glwXH kVZxM9Btw==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l7EK9-0002aI-6X; Wed, 03 Feb 2021 09:19:45 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l7EK5-0002Yo-CD for linux-arm-kernel@lists.infradead.org; Wed, 03 Feb 2021 09:19:42 +0000 Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1l7EJP-0003qu-TT; Wed, 03 Feb 2021 10:18:59 +0100 Received: from ore by dude.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1l7EJO-0004QH-2X; Wed, 03 Feb 2021 10:18:58 +0100 From: Oleksij Rempel To: Shawn Guo , Sascha Hauer , Andrew Lunn , Florian Fainelli , Heiner Kallweit Subject: [PATCH v1 1/7] ARM i.MX6q: remove PHY fixup for KSZ9031 Date: Wed, 3 Feb 2021 10:18:51 +0100 Message-Id: <20210203091857.16936-2-o.rempel@pengutronix.de> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210203091857.16936-1-o.rempel@pengutronix.de> References: <20210203091857.16936-1-o.rempel@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 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: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210203_041941_490763_04EE40EC X-CRM114-Status: GOOD ( 17.62 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Philippe Schenker , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Russell King , Oleksij Rempel , linux-imx@nxp.com, kernel@pengutronix.de, David Jander , Fabio Estevam , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org Starting with: bcf3440c6dd7 ("net: phy: micrel: add phy-mode support for the KSZ9031 PHY") the micrel phy driver started respecting phy-mode for the KSZ9031 PHY. At least with kernel v5.8 configuration provided by this fixup was overwritten by the micrel driver. This fixup was providing following configuration: RX path: 2.58ns delay rx -0.42 (left shift) + rx_clk +0.96ns (right shift) = 1,38 + 1,2 internal RX delay = 2.58ns TX path: 0.96ns delay tx (no delay) + tx_clk 0.96ns (right shift) = 0.96ns This configuration is outside of the recommended RGMII clock skew delays and about in the middle of: rgmii-idrx and rgmii-id Since most embedded systems do not have enough place to introduce significant clock skew, rgmii-id is the way to go. In case this patch breaks network functionality on your system, build kernel with enabled MICREL_PHY. If it is still not working then try following device tree options: 1. Set (or change) phy-mode in DT to: phy-mode = "rgmii-id"; This actives internal delay for both RX and TX. 1. Set (or change) phy-mode in DT to: phy-mode = "rgmii-idrx"; This actives internal delay for RX only. 3. Use following DT properties: phy-mode = "rgmii"; txen-skew-psec = <0>; rxdv-skew-psec = <0>; rxd0-skew-psec = <0>; rxd1-skew-psec = <0>; rxd2-skew-psec = <0>; rxd3-skew-psec = <0>; rxc-skew-psec = <1860>; txc-skew-psec = <1860>; This activates the internal delays for RX and TX, with the value as the fixup that is removed in this patch. Signed-off-by: Oleksij Rempel Acked-by: Philippe Schenker --- arch/arm/boot/dts/imx6q-dmo-edmqmx6.dts | 2 +- arch/arm/mach-imx/mach-imx6q.c | 23 ----------------------- 2 files changed, 1 insertion(+), 24 deletions(-) diff --git a/arch/arm/boot/dts/imx6q-dmo-edmqmx6.dts b/arch/arm/boot/dts/imx6q-dmo-edmqmx6.dts index fa2307d8ce86..c713ac03b3b9 100644 --- a/arch/arm/boot/dts/imx6q-dmo-edmqmx6.dts +++ b/arch/arm/boot/dts/imx6q-dmo-edmqmx6.dts @@ -112,7 +112,7 @@ flash: m25p80@0 { &fec { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_enet>; - phy-mode = "rgmii"; + phy-mode = "rgmii-id"; phy-reset-gpios = <&gpio1 25 GPIO_ACTIVE_LOW>; phy-supply = <&vgen2_1v2_eth>; status = "okay"; diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c index 703998ebb52e..78205f90da27 100644 --- a/arch/arm/mach-imx/mach-imx6q.c +++ b/arch/arm/mach-imx/mach-imx6q.c @@ -40,27 +40,6 @@ static int ksz9021rn_phy_fixup(struct phy_device *phydev) return 0; } -static void mmd_write_reg(struct phy_device *dev, int device, int reg, int val) -{ - phy_write(dev, 0x0d, device); - phy_write(dev, 0x0e, reg); - phy_write(dev, 0x0d, (1 << 14) | device); - phy_write(dev, 0x0e, val); -} - -static int ksz9031rn_phy_fixup(struct phy_device *dev) -{ - /* - * min rx data delay, max rx/tx clock delay, - * min rx/tx control delay - */ - mmd_write_reg(dev, 2, 4, 0); - mmd_write_reg(dev, 2, 5, 0); - mmd_write_reg(dev, 2, 8, 0x003ff); - - return 0; -} - /* * fixup for PLX PEX8909 bridge to configure GPIO1-7 as output High * as they are used for slots1-7 PERST# @@ -152,8 +131,6 @@ static void __init imx6q_enet_phy_init(void) if (IS_BUILTIN(CONFIG_PHYLIB)) { phy_register_fixup_for_uid(PHY_ID_KSZ9021, MICREL_PHY_ID_MASK, ksz9021rn_phy_fixup); - phy_register_fixup_for_uid(PHY_ID_KSZ9031, MICREL_PHY_ID_MASK, - ksz9031rn_phy_fixup); phy_register_fixup_for_uid(PHY_ID_AR8031, 0xffffffef, ar8031_phy_fixup); phy_register_fixup_for_uid(PHY_ID_AR8035, 0xffffffef, From patchwork Wed Feb 3 09:18:52 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oleksij Rempel X-Patchwork-Id: 1435193 Return-Path: X-Original-To: incoming-imx@patchwork.ozlabs.org Delivered-To: patchwork-incoming-imx@bilbo.ozlabs.org Authentication-Results: ozlabs.org; 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Wed, 03 Feb 2021 10:18:59 +0100 Received: from ore by dude.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1l7EJO-0004QQ-3W; Wed, 03 Feb 2021 10:18:58 +0100 From: Oleksij Rempel To: Shawn Guo , Sascha Hauer , Andrew Lunn , Florian Fainelli , Heiner Kallweit Subject: [PATCH v1 2/7] ARM i.MX6q: remove TX clock delay of ar8031_phy_fixup() Date: Wed, 3 Feb 2021 10:18:52 +0100 Message-Id: <20210203091857.16936-3-o.rempel@pengutronix.de> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210203091857.16936-1-o.rempel@pengutronix.de> References: <20210203091857.16936-1-o.rempel@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 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: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210203_041903_838044_5DFC8493 X-CRM114-Status: GOOD ( 13.67 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Philippe Schenker , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Russell King , Oleksij Rempel , linux-imx@nxp.com, kernel@pengutronix.de, David Jander , Fabio Estevam , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org In case the at803x PHY driver is activated in the kernel, the TX clock fixup is overwritten by at803x_config_init(), in this case no additional device tree changes are needed. If this patch breaks your system, please enable AT803X_PHY driver and add the following device tree property to the PHY node: phy-mode = "rgmii-txid"; Signed-off-by: Oleksij Rempel --- arch/arm/mach-imx/mach-imx6q.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c index 78205f90da27..1abefe7e1c3a 100644 --- a/arch/arm/mach-imx/mach-imx6q.c +++ b/arch/arm/mach-imx/mach-imx6q.c @@ -82,12 +82,6 @@ static int ar8031_phy_fixup(struct phy_device *dev) val |= 0x18; phy_write(dev, 0xe, val); - /* introduce tx clock delay */ - phy_write(dev, 0x1d, 0x5); - val = phy_read(dev, 0x1e); - val |= 0x0100; - phy_write(dev, 0x1e, val); - return 0; } From patchwork Wed Feb 3 09:18:53 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oleksij Rempel X-Patchwork-Id: 1435200 Return-Path: X-Original-To: incoming-imx@patchwork.ozlabs.org Delivered-To: patchwork-incoming-imx@bilbo.ozlabs.org Authentication-Results: ozlabs.org; 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Wed, 03 Feb 2021 10:18:59 +0100 Received: from ore by dude.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1l7EJO-0004QZ-4U; Wed, 03 Feb 2021 10:18:58 +0100 From: Oleksij Rempel To: Shawn Guo , Sascha Hauer , Andrew Lunn , Florian Fainelli , Heiner Kallweit Subject: [PATCH v1 3/7] ARM i.MX6q: remove hand crafted PHY power up in ar8035_phy_fixup() Date: Wed, 3 Feb 2021 10:18:53 +0100 Message-Id: <20210203091857.16936-4-o.rempel@pengutronix.de> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210203091857.16936-1-o.rempel@pengutronix.de> References: <20210203091857.16936-1-o.rempel@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 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: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210203_092137_403902_445EE9D7 X-CRM114-Status: GOOD ( 11.39 ) X-Spam-Note: SpamAssassin invocation failed X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Philippe Schenker , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Russell King , Oleksij Rempel , linux-imx@nxp.com, kernel@pengutronix.de, David Jander , Fabio Estevam , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org The at803x_resume() handler in the at803x.c PHY driver powers up the PHY properly, so remove this fixup. If this patch breaks your system, enable the AT803X_PHY driver. Signed-off-by: Oleksij Rempel --- arch/arm/mach-imx/mach-imx6q.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c index 1abefe7e1c3a..4c840e116003 100644 --- a/arch/arm/mach-imx/mach-imx6q.c +++ b/arch/arm/mach-imx/mach-imx6q.c @@ -110,11 +110,6 @@ static int ar8035_phy_fixup(struct phy_device *dev) */ ar8031_phy_fixup(dev); - /*check phy power*/ - val = phy_read(dev, 0x0); - if (val & BMCR_PDOWN) - phy_write(dev, 0x0, val & ~BMCR_PDOWN); - return 0; } From patchwork Wed Feb 3 09:18:54 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oleksij Rempel X-Patchwork-Id: 1435195 Return-Path: X-Original-To: incoming-imx@patchwork.ozlabs.org Delivered-To: patchwork-incoming-imx@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=2001:8b0:10b:1231::1; helo=merlin.infradead.org; envelope-from=linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org; 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Wed, 03 Feb 2021 10:18:59 +0100 Received: from ore by dude.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1l7EJO-0004Qi-5T; Wed, 03 Feb 2021 10:18:58 +0100 From: Oleksij Rempel To: Shawn Guo , Sascha Hauer , Andrew Lunn , Florian Fainelli , Heiner Kallweit Subject: [PATCH v1 4/7] ARM i.MX6q: remove clk-out fixup for the Atheros AR8031 and AR8035 PHYs Date: Wed, 3 Feb 2021 10:18:54 +0100 Message-Id: <20210203091857.16936-5-o.rempel@pengutronix.de> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210203091857.16936-1-o.rempel@pengutronix.de> References: <20210203091857.16936-1-o.rempel@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 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: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210203_041903_801727_8A1BDFBC X-CRM114-Status: GOOD ( 14.78 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Philippe Schenker , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Russell King , Oleksij Rempel , linux-imx@nxp.com, kernel@pengutronix.de, David Jander , Fabio Estevam , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org This configuration should be set over device tree. If this patch breaks network functionality on your system, enable the AT803X_PHY driver and set following device tree property in the PHY node: qca,clk-out-frequency = <125000000>; Signed-off-by: Oleksij Rempel --- arch/arm/mach-imx/mach-imx6q.c | 30 ------------------------------ 1 file changed, 30 deletions(-) diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c index 4c840e116003..d12b571a61ac 100644 --- a/arch/arm/mach-imx/mach-imx6q.c +++ b/arch/arm/mach-imx/mach-imx6q.c @@ -68,25 +68,6 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_PLX, 0x8609, ventana_pciesw_early_fixup); DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_PLX, 0x8606, ventana_pciesw_early_fixup); DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_PLX, 0x8604, ventana_pciesw_early_fixup); -static int ar8031_phy_fixup(struct phy_device *dev) -{ - u16 val; - - /* To enable AR8031 output a 125MHz clk from CLK_25M */ - phy_write(dev, 0xd, 0x7); - phy_write(dev, 0xe, 0x8016); - phy_write(dev, 0xd, 0x4007); - - val = phy_read(dev, 0xe); - val &= 0xffe3; - val |= 0x18; - phy_write(dev, 0xe, val); - - return 0; -} - -#define PHY_ID_AR8031 0x004dd074 - static int ar8035_phy_fixup(struct phy_device *dev) { u16 val; @@ -101,15 +82,6 @@ static int ar8035_phy_fixup(struct phy_device *dev) val = phy_read(dev, 0xe); phy_write(dev, 0xe, val & ~(1 << 8)); - /* - * Enable 125MHz clock from CLK_25M on the AR8031. This - * is fed in to the IMX6 on the ENET_REF_CLK (V22) pad. - * Also, introduce a tx clock delay. - * - * This is the same as is the AR8031 fixup. - */ - ar8031_phy_fixup(dev); - return 0; } @@ -120,8 +92,6 @@ static void __init imx6q_enet_phy_init(void) if (IS_BUILTIN(CONFIG_PHYLIB)) { phy_register_fixup_for_uid(PHY_ID_KSZ9021, MICREL_PHY_ID_MASK, ksz9021rn_phy_fixup); - phy_register_fixup_for_uid(PHY_ID_AR8031, 0xffffffef, - ar8031_phy_fixup); phy_register_fixup_for_uid(PHY_ID_AR8035, 0xffffffef, ar8035_phy_fixup); } From patchwork Wed Feb 3 09:18:55 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oleksij Rempel X-Patchwork-Id: 1435194 Return-Path: X-Original-To: incoming-imx@patchwork.ozlabs.org Delivered-To: patchwork-incoming-imx@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=2001:8b0:10b:1231::1; helo=merlin.infradead.org; envelope-from=linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org; 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Wed, 03 Feb 2021 10:18:59 +0100 Received: from ore by dude.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1l7EJO-0004Qr-6S; Wed, 03 Feb 2021 10:18:58 +0100 From: Oleksij Rempel To: Shawn Guo , Sascha Hauer , Andrew Lunn , Florian Fainelli , Heiner Kallweit Subject: [PATCH v1 5/7] ARM i.MX6q: remove Atheros AR8035 SmartEEE fixup Date: Wed, 3 Feb 2021 10:18:55 +0100 Message-Id: <20210203091857.16936-6-o.rempel@pengutronix.de> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210203091857.16936-1-o.rempel@pengutronix.de> References: <20210203091857.16936-1-o.rempel@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 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: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210203_041909_445597_BD9E3AA9 X-CRM114-Status: GOOD ( 11.41 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Philippe Schenker , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Russell King , Oleksij Rempel , linux-imx@nxp.com, kernel@pengutronix.de, David Jander , Fabio Estevam , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org This fixup removes the Lpi_en bit. If this patch breaks functionality of your board, use following device tree properties: ethernet-phy@X { reg = <0xX>; eee-broken-1000t; eee-broken-100tx; .... }; Signed-off-by: Oleksij Rempel --- arch/arm/mach-imx/mach-imx6q.c | 21 --------------------- 1 file changed, 21 deletions(-) diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c index d12b571a61ac..c9d7c29d95e1 100644 --- a/arch/arm/mach-imx/mach-imx6q.c +++ b/arch/arm/mach-imx/mach-imx6q.c @@ -68,32 +68,11 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_PLX, 0x8609, ventana_pciesw_early_fixup); DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_PLX, 0x8606, ventana_pciesw_early_fixup); DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_PLX, 0x8604, ventana_pciesw_early_fixup); -static int ar8035_phy_fixup(struct phy_device *dev) -{ - u16 val; - - /* Ar803x phy SmartEEE feature cause link status generates glitch, - * which cause ethernet link down/up issue, so disable SmartEEE - */ - phy_write(dev, 0xd, 0x3); - phy_write(dev, 0xe, 0x805d); - phy_write(dev, 0xd, 0x4003); - - val = phy_read(dev, 0xe); - phy_write(dev, 0xe, val & ~(1 << 8)); - - return 0; -} - -#define PHY_ID_AR8035 0x004dd072 - static void __init imx6q_enet_phy_init(void) { if (IS_BUILTIN(CONFIG_PHYLIB)) { phy_register_fixup_for_uid(PHY_ID_KSZ9021, MICREL_PHY_ID_MASK, ksz9021rn_phy_fixup); - phy_register_fixup_for_uid(PHY_ID_AR8035, 0xffffffef, - ar8035_phy_fixup); } } From patchwork Wed Feb 3 09:18:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oleksij Rempel X-Patchwork-Id: 1435199 Return-Path: X-Original-To: incoming-imx@patchwork.ozlabs.org Delivered-To: patchwork-incoming-imx@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=2001:8b0:10b:1231::1; helo=merlin.infradead.org; envelope-from=linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: ozlabs.org; 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Wed, 03 Feb 2021 10:18:58 +0100 From: Oleksij Rempel To: Shawn Guo , Sascha Hauer , Andrew Lunn , Florian Fainelli , Heiner Kallweit Subject: [PATCH v1 6/7] ARM: imx6sx: remove Atheros AR8031 PHY fixup Date: Wed, 3 Feb 2021 10:18:56 +0100 Message-Id: <20210203091857.16936-7-o.rempel@pengutronix.de> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210203091857.16936-1-o.rempel@pengutronix.de> References: <20210203091857.16936-1-o.rempel@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 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: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210203_042119_352368_E32DCB90 X-CRM114-Status: GOOD ( 13.93 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Philippe Schenker , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Russell King , Oleksij Rempel , linux-imx@nxp.com, kernel@pengutronix.de, David Jander , Fabio Estevam , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org If this patch breaks your system, enable AT803X_PHY driver and add a PHY node to the board device tree: phy-connection-type = "rgmii-txid"; (or rgmii-id) ethernet-phy@X { reg = <0xX>; qca,clk-out-frequency = <125000000>; vddio-supply = <&vddh>; vddio: vddio-regulator { regulator-name = "VDDIO"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; }; vddh: vddh-regulator { regulator-name = "VDDH"; }; }; Signed-off-by: Oleksij Rempel --- arch/arm/mach-imx/mach-imx6sx.c | 26 -------------------------- 1 file changed, 26 deletions(-) diff --git a/arch/arm/mach-imx/mach-imx6sx.c b/arch/arm/mach-imx/mach-imx6sx.c index 781e2a94fdd7..e65ed5218f53 100644 --- a/arch/arm/mach-imx/mach-imx6sx.c +++ b/arch/arm/mach-imx/mach-imx6sx.c @@ -15,31 +15,6 @@ #include "common.h" #include "cpuidle.h" -static int ar8031_phy_fixup(struct phy_device *dev) -{ - u16 val; - - /* Set RGMII IO voltage to 1.8V */ - phy_write(dev, 0x1d, 0x1f); - phy_write(dev, 0x1e, 0x8); - - /* introduce tx clock delay */ - phy_write(dev, 0x1d, 0x5); - val = phy_read(dev, 0x1e); - val |= 0x0100; - phy_write(dev, 0x1e, val); - - return 0; -} - -#define PHY_ID_AR8031 0x004dd074 -static void __init imx6sx_enet_phy_init(void) -{ - if (IS_BUILTIN(CONFIG_PHYLIB)) - phy_register_fixup_for_uid(PHY_ID_AR8031, 0xffffffff, - ar8031_phy_fixup); -} - static void __init imx6sx_enet_clk_sel(void) { struct regmap *gpr; @@ -57,7 +32,6 @@ static void __init imx6sx_enet_clk_sel(void) static inline void imx6sx_enet_init(void) { - imx6sx_enet_phy_init(); imx6sx_enet_clk_sel(); } From patchwork Wed Feb 3 09:18:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oleksij Rempel X-Patchwork-Id: 1435196 Return-Path: X-Original-To: incoming-imx@patchwork.ozlabs.org Delivered-To: patchwork-incoming-imx@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=2001:8b0:10b:1231::1; helo=merlin.infradead.org; envelope-from=linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; secure) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=merlin.20170209 header.b=3IdGR3Ag; dkim-atps=neutral Received: from merlin.infradead.org (merlin.infradead.org [IPv6:2001:8b0:10b:1231::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4DVx346dM2z9tkb for ; 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Wed, 03 Feb 2021 09:19:27 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l7EJp-0002TJ-Ax for linux-arm-kernel@lists.infradead.org; Wed, 03 Feb 2021 09:19:26 +0000 Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1l7EJP-0003r0-TT; Wed, 03 Feb 2021 10:18:59 +0100 Received: from ore by dude.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1l7EJO-0004R9-8R; Wed, 03 Feb 2021 10:18:58 +0100 From: Oleksij Rempel To: Shawn Guo , Sascha Hauer , Andrew Lunn , Florian Fainelli , Heiner Kallweit Subject: [PATCH v1 7/7] ARM: imx7d: remove Atheros AR8031 PHY fixup Date: Wed, 3 Feb 2021 10:18:57 +0100 Message-Id: <20210203091857.16936-8-o.rempel@pengutronix.de> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210203091857.16936-1-o.rempel@pengutronix.de> References: <20210203091857.16936-1-o.rempel@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 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: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210203_041925_405379_005B7855 X-CRM114-Status: GOOD ( 13.66 ) X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Philippe Schenker , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Russell King , Oleksij Rempel , linux-imx@nxp.com, kernel@pengutronix.de, David Jander , Fabio Estevam , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org This fixup configures the IO voltage and disables the SmartEEE functionality. If this patch breaks your system, enable AT803X_PHY driver and configure the PHY by the device tree: phy-connection-type = "rgmii-id"; ethernet-phy@X { reg = <0xX>; eee-broken-1000t; eee-broken-100tx; vddio-supply = <&vddh>; vddio: vddio-regulator { regulator-name = "VDDIO"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; }; vddh: vddh-regulator { regulator-name = "VDDH"; }; }; Signed-off-by: Oleksij Rempel --- arch/arm/mach-imx/mach-imx7d.c | 22 ---------------------- 1 file changed, 22 deletions(-) diff --git a/arch/arm/mach-imx/mach-imx7d.c b/arch/arm/mach-imx/mach-imx7d.c index 879c35929a13..ccf64ddf8b7e 100644 --- a/arch/arm/mach-imx/mach-imx7d.c +++ b/arch/arm/mach-imx/mach-imx7d.c @@ -14,25 +14,6 @@ #include "common.h" -static int ar8031_phy_fixup(struct phy_device *dev) -{ - u16 val; - - /* Set RGMII IO voltage to 1.8V */ - phy_write(dev, 0x1d, 0x1f); - phy_write(dev, 0x1e, 0x8); - - /* disable phy AR8031 SmartEEE function. */ - phy_write(dev, 0xd, 0x3); - phy_write(dev, 0xe, 0x805d); - phy_write(dev, 0xd, 0x4003); - val = phy_read(dev, 0xe); - val &= ~(0x1 << 8); - phy_write(dev, 0xe, val); - - return 0; -} - static int bcm54220_phy_fixup(struct phy_device *dev) { /* enable RXC skew select RGMII copper mode */ @@ -44,14 +25,11 @@ static int bcm54220_phy_fixup(struct phy_device *dev) return 0; } -#define PHY_ID_AR8031 0x004dd074 #define PHY_ID_BCM54220 0x600d8589 static void __init imx7d_enet_phy_init(void) { if (IS_BUILTIN(CONFIG_PHYLIB)) { - phy_register_fixup_for_uid(PHY_ID_AR8031, 0xffffffff, - ar8031_phy_fixup); phy_register_fixup_for_uid(PHY_ID_BCM54220, 0xffffffff, bcm54220_phy_fixup); }