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[23.128.96.18]) by mx.google.com with ESMTP id w18si1793289plg.302.2021.05.06.18.31.25; Thu, 06 May 2021 18:31:38 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@alliedtelesis.co.nz header.s=mail181024 header.b=UV7dYDYF; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=alliedtelesis.co.nz Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233826AbhEGAlu (ORCPT + 99 others); Thu, 6 May 2021 20:41:50 -0400 Received: from gate2.alliedtelesis.co.nz ([202.36.163.20]:41788 "EHLO gate2.alliedtelesis.co.nz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233791AbhEGAlu (ORCPT ); Thu, 6 May 2021 20:41:50 -0400 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 D91B0891AD; Fri, 7 May 2021 12:40:48 +1200 (NZST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alliedtelesis.co.nz; s=mail181024; t=1620348048; bh=47/c17VIj6d/N+J2xs5Gz7yzioMSYApf0E6Fif/tnbc=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=UV7dYDYFqGPmIpGXW9D5+6osHWvQA7WJ3REUE3YVV/bR5f4OpNVxpfOtaXMklPwOB t1vdbOhIELrHvPr9PKVZRzaLcPyiw8zsJ15EL60e6gs6c/BJYPO/BCFo/b+JbyrX/2 Mg+w/HIHOoo4HoMnf+Rr0MOcgjbdxc/LaMmCv2MCpmohauuSsCuCV7VopNBAzMxQ1I mBs/CHLPCS0HhPREzoJmW6eA8UeRggO1Z/BdBAFpuJxz8Bizb9zzcn4bdNBAcmXuUl F6DleIV8PoZ9g4I/XgjmkLAIc4k1tyqJH3dzXuAU56UCID43ZCSMC/vw7s29JpnjM/ VpG/q46XjkUaQ== 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 ; Fri, 07 May 2021 12:40:48 +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 B96B013ECA5; Fri, 7 May 2021 12:40:48 +1200 (NZST) Received: by chrisp-dl.ws.atlnz.lc (Postfix, from userid 1030) id B46CC283A61; Fri, 7 May 2021 12:40:48 +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 Cc: linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Chris Packham Subject: [PATCH v2 1/3] dt-bindings: i2c: mpc: Add fsl,i2c-erratum-a004447 flag Date: Fri, 7 May 2021 12:40:45 +1200 Message-Id: <20210507004047.4454-2-chris.packham@alliedtelesis.co.nz> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210507004047.4454-1-chris.packham@alliedtelesis.co.nz> References: <20210507004047.4454-1-chris.packham@alliedtelesis.co.nz> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-SEG-SpamProfiler-Analysis: v=2.3 cv=K6Jc4BeI c=1 sm=1 tr=0 a=KLBiSEs5mFS1a/PbTCJxuA==:117 a=5FLXtPjwQuUA:10 a=3WbeyVfOhAup7pk4KgsA:9 X-SEG-SpamProfiler-Score: 0 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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/Documen= tation/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 =20 + 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 --=20 2.31.1