From patchwork Tue Dec 1 13:21:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Agner X-Patchwork-Id: 335251 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=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, 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 4620EC83016 for ; Tue, 1 Dec 2020 13:22:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DBF68208FE for ; Tue, 1 Dec 2020 13:22:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=agner.ch header.i=@agner.ch header.b="mnSiyDud" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730122AbgLANWe (ORCPT ); Tue, 1 Dec 2020 08:22:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35604 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729798AbgLANWc (ORCPT ); Tue, 1 Dec 2020 08:22:32 -0500 Received: from mail.kmu-office.ch (mail.kmu-office.ch [IPv6:2a02:418:6a02::a2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C74A5C0613CF; Tue, 1 Dec 2020 05:21:51 -0800 (PST) Received: from allenwind.lan (unknown [IPv6:2a02:169:3df5::979]) by mail.kmu-office.ch (Postfix) with ESMTPSA id 958495C29E8; Tue, 1 Dec 2020 14:21:49 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=agner.ch; s=dkim; t=1606828909; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=eLjhQgmh3gigTHyX4oMAo33bHtAjqIb7uhHa9kV5sEo=; b=mnSiyDudueL8QsR9ZYygl3OVYBJ8DWW+II+p2QPOSTKiZgeW0zXLKSPKEnuAahzvVIq84g yWVsZo2PtPqJEFxXzdQ3HImwn+06frbMtGpyVSRQWCQjHjEADItcKBLlD5OOgyXLacy8w8 5wzoJNWz+BoPs900NKJk6OiWrXYUZNs= From: Stefan Agner To: khilman@baylibre.com Cc: robh+dt@kernel.org, narmstrong@baylibre.com, jbrunet@baylibre.com, martin.blumenstingl@googlemail.com, christianshewitt@gmail.com, jian.hu@amlogic.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, Stefan Agner Subject: [PATCH v2 2/5] arm64: dts: meson: fix PHY deassert timing requirements Date: Tue, 1 Dec 2020 14:21:38 +0100 Message-Id: X-Mailer: git-send-email 2.29.2 In-Reply-To: <14754fd95378b78eb9a0a3f8b6bab13f7263c7f1.1606828668.git.stefan@agner.ch> References: <14754fd95378b78eb9a0a3f8b6bab13f7263c7f1.1606828668.git.stefan@agner.ch> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org According to the datasheet (Rev. 1.9) the RTL8211F requires at least 72ms "for internal circuits settling time" before accessing the PHY egisters. This fixes an issue seen on ODROID-C2 where the Ethernet link doesn't come up when using ip link set down/up: [ 6630.714855] meson8b-dwmac c9410000.ethernet eth0: Link is Down [ 6630.785775] meson8b-dwmac c9410000.ethernet eth0: PHY [stmmac-0:00] driver [RTL8211F Gigabit Ethernet] (irq=36) [ 6630.893071] meson8b-dwmac c9410000.ethernet: Failed to reset the dma [ 6630.893800] meson8b-dwmac c9410000.ethernet eth0: stmmac_hw_setup: DMA engine initialization failed [ 6630.902835] meson8b-dwmac c9410000.ethernet eth0: stmmac_open: Hw setup failed Fixes: f29cabf240ed ("arm64: dts: meson: use the generic Ethernet PHY reset GPIO bindings") Signed-off-by: Stefan Agner Reviewed-by: Martin Blumenstingl --- arch/arm64/boot/dts/amlogic/meson-gxbb-nanopi-k2.dts | 2 +- arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts | 2 +- arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95.dtsi | 2 +- arch/arm64/boot/dts/amlogic/meson-gxbb-wetek.dtsi | 2 +- arch/arm64/boot/dts/amlogic/meson-gxl-s905d-p230.dts | 2 +- arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts | 2 +- arch/arm64/boot/dts/amlogic/meson-gxm-nexbox-a1.dts | 2 +- arch/arm64/boot/dts/amlogic/meson-gxm-q200.dts | 2 +- arch/arm64/boot/dts/amlogic/meson-gxm-rbox-pro.dts | 2 +- 9 files changed, 9 insertions(+), 9 deletions(-) diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-nanopi-k2.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-nanopi-k2.dts index 7be3e354093b..de27beafe9db 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxbb-nanopi-k2.dts +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-nanopi-k2.dts @@ -165,7 +165,7 @@ eth_phy0: ethernet-phy@0 { reg = <0>; reset-assert-us = <10000>; - reset-deassert-us = <30000>; + reset-deassert-us = <80000>; reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>; interrupt-parent = <&gpio_intc>; diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts index 70fcfb7b0683..50de1d01e565 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts @@ -200,7 +200,7 @@ eth_phy0: ethernet-phy@0 { reg = <0>; reset-assert-us = <10000>; - reset-deassert-us = <30000>; + reset-deassert-us = <80000>; reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>; interrupt-parent = <&gpio_intc>; diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95.dtsi index 222ee8069cfa..9b0b81f191f1 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95.dtsi @@ -126,7 +126,7 @@ eth_phy0: ethernet-phy@0 { reg = <0>; reset-assert-us = <10000>; - reset-deassert-us = <30000>; + reset-deassert-us = <80000>; reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>; interrupt-parent = <&gpio_intc>; diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-wetek.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb-wetek.dtsi index ad812854a107..a350fee1264d 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxbb-wetek.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-wetek.dtsi @@ -147,7 +147,7 @@ eth_phy0: ethernet-phy@0 { reg = <0>; reset-assert-us = <10000>; - reset-deassert-us = <30000>; + reset-deassert-us = <80000>; reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>; interrupt-parent = <&gpio_intc>; diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905d-p230.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905d-p230.dts index b08c4537f260..b2ab05c22090 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905d-p230.dts +++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905d-p230.dts @@ -82,7 +82,7 @@ external_phy: ethernet-phy@0 { /* External PHY reset is shared with internal PHY Led signal */ reset-assert-us = <10000>; - reset-deassert-us = <30000>; + reset-deassert-us = <80000>; reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>; interrupt-parent = <&gpio_intc>; diff --git a/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts b/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts index bff8ec2c1c70..e38d9e50caa7 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts +++ b/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts @@ -194,7 +194,7 @@ external_phy: ethernet-phy@0 { reg = <0>; reset-assert-us = <10000>; - reset-deassert-us = <30000>; + reset-deassert-us = <80000>; reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>; interrupt-parent = <&gpio_intc>; diff --git a/arch/arm64/boot/dts/amlogic/meson-gxm-nexbox-a1.dts b/arch/arm64/boot/dts/amlogic/meson-gxm-nexbox-a1.dts index 83eca3af44ce..dfa7a37a1281 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxm-nexbox-a1.dts +++ b/arch/arm64/boot/dts/amlogic/meson-gxm-nexbox-a1.dts @@ -112,7 +112,7 @@ external_phy: ethernet-phy@0 { max-speed = <1000>; reset-assert-us = <10000>; - reset-deassert-us = <30000>; + reset-deassert-us = <80000>; reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>; }; }; diff --git a/arch/arm64/boot/dts/amlogic/meson-gxm-q200.dts b/arch/arm64/boot/dts/amlogic/meson-gxm-q200.dts index ea45ae0c71b7..8edbfe040805 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxm-q200.dts +++ b/arch/arm64/boot/dts/amlogic/meson-gxm-q200.dts @@ -64,7 +64,7 @@ external_phy: ethernet-phy@0 { /* External PHY reset is shared with internal PHY Led signal */ reset-assert-us = <10000>; - reset-deassert-us = <30000>; + reset-deassert-us = <80000>; reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>; interrupt-parent = <&gpio_intc>; diff --git a/arch/arm64/boot/dts/amlogic/meson-gxm-rbox-pro.dts b/arch/arm64/boot/dts/amlogic/meson-gxm-rbox-pro.dts index c89c9f846fb1..dde7cfe12cff 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxm-rbox-pro.dts +++ b/arch/arm64/boot/dts/amlogic/meson-gxm-rbox-pro.dts @@ -114,7 +114,7 @@ external_phy: ethernet-phy@0 { max-speed = <1000>; reset-assert-us = <10000>; - reset-deassert-us = <30000>; + reset-deassert-us = <80000>; reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>; }; };