From patchwork Thu May 6 01:10:12 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Packham X-Patchwork-Id: 1474723 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=112.213.38.117; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org; receiver=) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=alliedtelesis.co.nz header.i=@alliedtelesis.co.nz header.a=rsa-sha256 header.s=mail181024 header.b=JyQaXjAO; dkim-atps=neutral Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4FbG3p4v2vz9sRf for ; Thu, 6 May 2021 11:20:38 +1000 (AEST) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4FbG3p44vHz30Gl for ; Thu, 6 May 2021 11:20:38 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=alliedtelesis.co.nz header.i=@alliedtelesis.co.nz header.a=rsa-sha256 header.s=mail181024 header.b=JyQaXjAO; dkim-atps=neutral X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=alliedtelesis.co.nz (client-ip=202.36.163.20; helo=gate2.alliedtelesis.co.nz; envelope-from=chrisp@alliedtelesis.co.nz; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=alliedtelesis.co.nz header.i=@alliedtelesis.co.nz header.a=rsa-sha256 header.s=mail181024 header.b=JyQaXjAO; dkim-atps=neutral Received: from gate2.alliedtelesis.co.nz (gate2.alliedtelesis.co.nz [202.36.163.20]) (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 4FbG3K2P8bz2yxr for ; Thu, 6 May 2021 11:20:12 +1000 (AEST) Received: from svr-chch-seg1.atlnz.lc (mmarshal3.atlnz.lc [10.32.18.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by gate2.alliedtelesis.co.nz (Postfix) with ESMTPS id D9E60891AD; Thu, 6 May 2021 13:10:20 +1200 (NZST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alliedtelesis.co.nz; s=mail181024; t=1620263420; bh=47/c17VIj6d/N+J2xs5Gz7yzioMSYApf0E6Fif/tnbc=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=JyQaXjAOFRiH5az9Xk51CCIfcTxom8DwyWi3k49qTPiq0m9dv7Iagw6AQAwpvNufv 6Tqj41Xw28U5FQNb4vfQhZ5IWAFPHT0ZsjISiTFg0/xEg4QZul7q9rLT8AQf57RuU2 /gPrtasmW4mmfAl7CJzB/DigtN3sxl1KzfgJdWi9Li9QLx/9kKz+1PcG6Tjh2v/QK+ cW2sYfT8zFES9emzUbtcR862QBxdPP6u0/uaOjfWvlXbZJQTm1Pl2LGeEldIulrPHC hf4b4BM136E6ASCFKfoWFMqBodLsFJCC/rcN9G05DPDHeEgNr8tIHHcZnItfQJzqJm /1ErT40VFZUvw== Received: from pat.atlnz.lc (Not Verified[10.32.16.33]) by svr-chch-seg1.atlnz.lc with Trustwave SEG (v8, 2, 6, 11305) id ; Thu, 06 May 2021 13:10:20 +1200 Received: from chrisp-dl.ws.atlnz.lc (chrisp-dl.ws.atlnz.lc [10.33.22.20]) by pat.atlnz.lc (Postfix) with ESMTP id B437913ECA6; Thu, 6 May 2021 13:10:20 +1200 (NZST) Received: by chrisp-dl.ws.atlnz.lc (Postfix, from userid 1030) id B1180283A60; Thu, 6 May 2021 13:10:20 +1200 (NZST) From: Chris Packham To: wsa@kernel.org, andriy.shevchenko@linux.intel.com, andy.shevchenko@gmail.com, robh+dt@kernel.org, mpe@ellerman.id.au Subject: [PATCH 1/3] dt-bindings: i2c: mpc: Add fsl,i2c-erratum-a004447 flag Date: Thu, 6 May 2021 13:10:12 +1200 Message-Id: <20210506011015.17347-2-chris.packham@alliedtelesis.co.nz> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210506011015.17347-1-chris.packham@alliedtelesis.co.nz> References: <20210506011015.17347-1-chris.packham@alliedtelesis.co.nz> MIME-Version: 1.0 X-SEG-SpamProfiler-Analysis: v=2.3 cv=B+jHL9lM c=1 sm=1 tr=0 a=KLBiSEs5mFS1a/PbTCJxuA==:117 a=5FLXtPjwQuUA:10 a=3WbeyVfOhAup7pk4KgsA:9 X-SEG-SpamProfiler-Score: 0 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: devicetree@vger.kernel.org, Chris Packham , linuxppc-dev@lists.ozlabs.org, linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" Document the fsl,i2c-erratum-a004447 flag which indicates the presence of an i2c erratum on some QorIQ SoCs. Signed-off-by: Chris Packham --- Documentation/devicetree/bindings/i2c/i2c-mpc.yaml | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/i2c/i2c-mpc.yaml b/Documentation/devicetree/bindings/i2c/i2c-mpc.yaml index 7b553d559c83..98c6fcf7bf26 100644 --- a/Documentation/devicetree/bindings/i2c/i2c-mpc.yaml +++ b/Documentation/devicetree/bindings/i2c/i2c-mpc.yaml @@ -46,6 +46,13 @@ properties: description: | I2C bus timeout in microseconds + fsl,i2c-erratum-a004447: + $ref: /schemas/types.yaml#/definitions/flag + description: | + Indicates the presence of QorIQ erratum A-004447, which + says that the standard i2c recovery scheme mechanism does + not work and an alternate implementation is needed. + required: - compatible - reg