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Tue, 22 Sep 2020 19:32:36 -0700 (PDT) Received: from xps15 ([64.188.179.253]) by smtp.gmail.com with ESMTPSA id j77sm10301353ili.31.2020.09.22.19.32.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Sep 2020 19:32:35 -0700 (PDT) Received: (nullmailer pid 3757322 invoked by uid 1000); Wed, 23 Sep 2020 02:32:34 -0000 Date: Tue, 22 Sep 2020 20:32:34 -0600 From: Rob Herring To: Ran Wang Subject: Re: [PATCH 1/5] Documentation: dt: binding: fsl: Add 'fsl,ippdexpcr1-alt-addr' property Message-ID: <20200923023234.GA3751572@bogus> References: <20200916081831.24747-1-ran.wang_1@nxp.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200916081831.24747-1-ran.wang_1@nxp.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200922_223238_268289_6CFF3771 X-CRM114-Status: GOOD ( 17.09 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Biwen Li , Shawn Guo , linux-kernel@vger.kernel.org, Li Yang , linuxppc-dev@lists.ozlabs.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Sep 16, 2020 at 04:18:27PM +0800, Ran Wang wrote: > From: Biwen Li > > The 'fsl,ippdexpcr1-alt-addr' property is used to handle an errata A-008646 > on LS1021A > > Signed-off-by: Biwen Li > Signed-off-by: Ran Wang > --- > Documentation/devicetree/bindings/soc/fsl/rcpm.txt | 19 +++++++++++++++++++ > 1 file changed, 19 insertions(+) > > diff --git a/Documentation/devicetree/bindings/soc/fsl/rcpm.txt b/Documentation/devicetree/bindings/soc/fsl/rcpm.txt > index 5a33619..1be58a3 100644 > --- a/Documentation/devicetree/bindings/soc/fsl/rcpm.txt > +++ b/Documentation/devicetree/bindings/soc/fsl/rcpm.txt > @@ -34,6 +34,11 @@ Chassis Version Example Chips > Optional properties: > - little-endian : RCPM register block is Little Endian. Without it RCPM > will be Big Endian (default case). > + - fsl,ippdexpcr1-alt-addr : The property is related to a hardware issue > + on SoC LS1021A and only needed on SoC LS1021A. > + Must include 2 entries: > + The first entry must be a link to the SCFG device node. > + The 2nd entry must be offset of register IPPDEXPCR1 in SCFG. You don't need a DT change for this. You can find SCFG node by its compatible string and then the offset should be known given this issue is only on 1 SoC. Rob _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel