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 X-Spam-Level: X-Spam-Status: No, score=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 1DA60C47097 for ; Thu, 3 Jun 2021 17:15:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 02F68613DC for ; Thu, 3 Jun 2021 17:15:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231524AbhFCRRD (ORCPT ); Thu, 3 Jun 2021 13:17:03 -0400 Received: from mail.kernel.org ([198.145.29.99]:43496 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232499AbhFCRM6 (ORCPT ); Thu, 3 Jun 2021 13:12:58 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id ABDFC6142E; Thu, 3 Jun 2021 17:10:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1622740228; bh=fe6+/LiFiMnPngT/JpTOFadQOWUmdRGhSDMYamPmmdA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZBVIlgkMOtI0YgyMpqwold6So0B4U5rJnKvuPKXEzM8p/fTpeXq8ddMpsSfdJp2Bh GNL+gq97cthoYXd3VEWIn98ncx1IJ5mKS4NE+q8RdjVrWP34YtkzeBUzhhfk7PjxrO PBdxx87PPqPhXDLRkZURudq+quSVunTvTATdftFS+qR9BalbLYQ3ChlTefHpk9DVkh pT/eCGbr5jjb3GJd5ajtQkvPgpPupnaSn+caKgO/5ckQ3jF9RqdquxmIPekpvfh6q2 ashORFALjusAy+AjqV40FS36qhYu67RqADpM70B1A87yxCsNctWVTG0o3Glr6kNcze RxUi1Q6QCU0Dg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Chris Packham , Michael Ellerman , Wolfram Sang , Sasha Levin , devicetree@vger.kernel.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH AUTOSEL 4.19 23/23] powerpc/fsl: set fsl,i2c-erratum-a004447 flag for P1010 i2c controllers Date: Thu, 3 Jun 2021 13:09:59 -0400 Message-Id: <20210603170959.3169420-23-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210603170959.3169420-1-sashal@kernel.org> References: <20210603170959.3169420-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Chris Packham [ Upstream commit 19ae697a1e4edf1d755b413e3aa38da65e2db23b ] The i2c controllers on the P1010 have an erratum where the documented scheme for i2c bus recovery will not work (A-004447). A different mechanism is needed which is documented in the P1010 Chip Errata Rev L. Signed-off-by: Chris Packham Acked-by: Michael Ellerman Signed-off-by: Wolfram Sang Signed-off-by: Sasha Levin --- arch/powerpc/boot/dts/fsl/p1010si-post.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi b/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi index 1b4aafc1f6a2..9716a0484ecf 100644 --- a/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi +++ b/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi @@ -122,7 +122,15 @@ memory-controller@2000 { }; /include/ "pq3-i2c-0.dtsi" + i2c@3000 { + fsl,i2c-erratum-a004447; + }; + /include/ "pq3-i2c-1.dtsi" + i2c@3100 { + fsl,i2c-erratum-a004447; + }; + /include/ "pq3-duart-0.dtsi" /include/ "pq3-espi-0.dtsi" spi0: spi@7000 { -- 2.30.2 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 X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,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 79914C4709B for ; Thu, 3 Jun 2021 17:11:48 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 06DE0613B8 for ; Thu, 3 Jun 2021 17:11:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 06DE0613B8 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4FwsrL6sQrz3d7b for ; Fri, 4 Jun 2021 03:11:46 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=ZBVIlgkM; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=198.145.29.99; helo=mail.kernel.org; envelope-from=sashal@kernel.org; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=ZBVIlgkM; dkim-atps=neutral Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4Fwspt4CJyz307g for ; Fri, 4 Jun 2021 03:10:30 +1000 (AEST) Received: by mail.kernel.org (Postfix) with ESMTPSA id ABDFC6142E; Thu, 3 Jun 2021 17:10:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1622740228; bh=fe6+/LiFiMnPngT/JpTOFadQOWUmdRGhSDMYamPmmdA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZBVIlgkMOtI0YgyMpqwold6So0B4U5rJnKvuPKXEzM8p/fTpeXq8ddMpsSfdJp2Bh GNL+gq97cthoYXd3VEWIn98ncx1IJ5mKS4NE+q8RdjVrWP34YtkzeBUzhhfk7PjxrO PBdxx87PPqPhXDLRkZURudq+quSVunTvTATdftFS+qR9BalbLYQ3ChlTefHpk9DVkh pT/eCGbr5jjb3GJd5ajtQkvPgpPupnaSn+caKgO/5ckQ3jF9RqdquxmIPekpvfh6q2 ashORFALjusAy+AjqV40FS36qhYu67RqADpM70B1A87yxCsNctWVTG0o3Glr6kNcze RxUi1Q6QCU0Dg== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 23/23] powerpc/fsl: set fsl, i2c-erratum-a004447 flag for P1010 i2c controllers Date: Thu, 3 Jun 2021 13:09:59 -0400 Message-Id: <20210603170959.3169420-23-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210603170959.3169420-1-sashal@kernel.org> References: <20210603170959.3169420-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sasha Levin , devicetree@vger.kernel.org, Wolfram Sang , Chris Packham , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" From: Chris Packham [ Upstream commit 19ae697a1e4edf1d755b413e3aa38da65e2db23b ] The i2c controllers on the P1010 have an erratum where the documented scheme for i2c bus recovery will not work (A-004447). A different mechanism is needed which is documented in the P1010 Chip Errata Rev L. Signed-off-by: Chris Packham Acked-by: Michael Ellerman Signed-off-by: Wolfram Sang Signed-off-by: Sasha Levin --- arch/powerpc/boot/dts/fsl/p1010si-post.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi b/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi index 1b4aafc1f6a2..9716a0484ecf 100644 --- a/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi +++ b/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi @@ -122,7 +122,15 @@ memory-controller@2000 { }; /include/ "pq3-i2c-0.dtsi" + i2c@3000 { + fsl,i2c-erratum-a004447; + }; + /include/ "pq3-i2c-1.dtsi" + i2c@3100 { + fsl,i2c-erratum-a004447; + }; + /include/ "pq3-duart-0.dtsi" /include/ "pq3-espi-0.dtsi" spi0: spi@7000 { -- 2.30.2