From mboxrd@z Thu Jan 1 00:00:00 1970 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DB168C4321E for ; Mon, 15 Nov 2021 20:01:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C1D9C61B62 for ; Mon, 15 Nov 2021 20:01:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348961AbhKOUBU (ORCPT ); Mon, 15 Nov 2021 15:01:20 -0500 Received: from mail.kernel.org ([198.145.29.99]:45390 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233918AbhKOTYH (ORCPT ); Mon, 15 Nov 2021 14:24:07 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id BD23F632FF; Mon, 15 Nov 2021 18:53:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1637002437; bh=XseYjj8GcNq3FnFCW9RZegwjKiWMEAE/U6zAPsKNHPs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Pco2rRA0Jm9HpqkWwGHhzH/mwX0gMZtWDD1Y4Sao0O+M0dWS/FaDI9yyYm/84xMJ4 +ZMLz7y7dLkaupoLqGX59gJ6rJ4zaPzqwybSbz1xsKqwMLicHos6SOisTe3JDe/jVf sgg5QXG722YwDg/GuWRvg+CNe0H5o7CzWqt3M0EA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dongjin Kim , Martin Blumenstingl , Neil Armstrong , Sasha Levin Subject: [PATCH 5.15 567/917] arm64: dts: meson: sm1: add Ethernet PHY reset line for ODROID-C4/HC4 Date: Mon, 15 Nov 2021 18:01:02 +0100 Message-Id: <20211115165448.012110892@linuxfoundation.org> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211115165428.722074685@linuxfoundation.org> References: <20211115165428.722074685@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Dongjin Kim [ Upstream commit 9d02214f8332d5dbbcce3d6c5c915e54d43a0c46 ] This patch is to fix an issue that the ethernet link doesn't come up when using ip link set down/up: [ 11.428114] meson8b-dwmac ff3f0000.ethernet eth0: Link is Down [ 14.428595] meson8b-dwmac ff3f0000.ethernet eth0: PHY [0.0:00] driver [RTL8211F Gigabit Ethernet] (irq=31) [ 14.428610] meson8b-dwmac ff3f0000.ethernet: Failed to reset the dma [ 14.428974] meson8b-dwmac ff3f0000.ethernet eth0: stmmac_hw_setup: DMA engine initialization failed [ 14.711185] meson8b-dwmac ff3f0000.ethernet eth0: stmmac_open: Hw setup failed This fix refers to two commits applied for ODROID-N2 (G12B). commit 658e4129bb81 ("arm64: dts: meson: g12b: odroid-n2: add the Ethernet PHY reset line") commit 1c7412530d5d0 ("arm64: dts: meson: g12b: odroid-n2: fix PHY deassert timing requirements") Fixes: 88d537bc92ca ("arm64: dts: meson: convert meson-sm1-odroid-c4 to dtsi") Signed-off-by: Dongjin Kim Reviewed-by: Martin Blumenstingl [narmstrong: added fixes tag and typo in commit log] Signed-off-by: Neil Armstrong Link: https://lore.kernel.org/r/YScKYFWlYymgGw3l@anyang-linuxfactory-or-kr Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi index fd0ad85c165ba..45e7fcb062f96 100644 --- a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi @@ -263,6 +263,10 @@ reg = <0>; max-speed = <1000>; + reset-assert-us = <10000>; + reset-deassert-us = <80000>; + reset-gpios = <&gpio GPIOZ_15 (GPIO_ACTIVE_LOW | GPIO_OPEN_DRAIN)>; + interrupt-parent = <&gpio_intc>; /* MAC_INTR on GPIOZ_14 */ interrupts = <26 IRQ_TYPE_LEVEL_LOW>; -- 2.33.0