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[24.155.109.49]) by smtp.gmail.com with ESMTPSA id i22sm1253218oto.80.2019.08.29.15.56.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Aug 2019 15:56:02 -0700 (PDT) Date: Thu, 29 Aug 2019 17:56:02 -0500 From: Rob Herring To: Ivan Mikhaylov Subject: Re: [PATCH v2 4/4] dt-bindings/watchdog: Add access_cs0 option for alt-boot Message-ID: <20190829225602.GA15783@bogus> References: <20190826104636.19324-1-i.mikhaylov@yadro.com> <20190826104636.19324-5-i.mikhaylov@yadro.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190826104636.19324-5-i.mikhaylov@yadro.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190829_155605_121326_A131ED0F X-CRM114-Status: GOOD ( 16.98 ) 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: Mark Rutland , devicetree@vger.kernel.org, Alexander Amelkin , linux-watchdog@vger.kernel.org, linux-aspeed@lists.ozlabs.org, Andrew Jeffery , openbmc@lists.ozlabs.org, Guenter Roeck , linux-kernel@vger.kernel.org, Joel Stanley , Wim Van Sebroeck , 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+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Aug 26, 2019 at 01:46:36PM +0300, Ivan Mikhaylov wrote: > The option for the ast2400/2500 to get access to CS0 at runtime. > > Signed-off-by: Ivan Mikhaylov > --- > Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt b/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt > index c5077a1f5cb3..023a9b578df6 100644 > --- a/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt > +++ b/Documentation/devicetree/bindings/watchdog/aspeed-wdt.txt > @@ -34,6 +34,13 @@ Optional properties: > engine is responsible for this. > > - aspeed,alt-boot: If property is present then boot from alternate block. > + At alternate side 'access_cs0' sysfs file provides: What's sysfs? Don't put Linux stuff in bindings. > + ast2400: a way to get access to the primary SPI flash > + chip at CS0 after booting from the alternate > + chip at CS1. > + ast2500: a way to restore the normal address mapping from > + (CS0->CS1, CS1->CS0) to (CS0->CS0, CS1->CS1). > + > - aspeed,external-signal: If property is present then signal is sent to > external reset counter (only WDT1 and WDT2). If not > specified no external signal is sent. > -- > 2.20.1 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel