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[24.155.109.49]) by smtp.gmail.com with ESMTPSA id z18sm664078otp.41.2018.12.06.15.49.41 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 06 Dec 2018 15:49:41 -0800 (PST) Date: Thu, 6 Dec 2018 17:49:41 -0600 From: Rob Herring To: Stefan Wahren Subject: Re: [PATCH 1/5] dt-bindings: nvmem: add binding for Raspberry Pi OTP Message-ID: <20181206234941.GA6340@bogus> References: <1542805904-6446-1-git-send-email-stefan.wahren@i2se.com> <1542805904-6446-2-git-send-email-stefan.wahren@i2se.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1542805904-6446-2-git-send-email-stefan.wahren@i2se.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-20181206_154953_597832_37D74775 X-CRM114-Status: GOOD ( 19.77 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Florian Fainelli , Arnd Bergmann , Scott Branden , Ray Jui , Eric Anholt , Srinivas Kandagatla , linux-rpi-kernel@lists.infradead.org, gregkh@linuxfoundation.org, bcm-kernel-feedback-list@broadcom.com, 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 Wed, Nov 21, 2018 at 02:11:40PM +0100, Stefan Wahren wrote: > This patch adds the devicetree binding for Raspberry Pi customer OTP > driver. > > Signed-off-by: Stefan Wahren > --- > .../nvmem/raspberrypi,bcm2835-customer-otp.txt | 22 ++++++++++++++++++++++ > 1 file changed, 22 insertions(+) > create mode 100644 Documentation/devicetree/bindings/nvmem/raspberrypi,bcm2835-customer-otp.txt > > diff --git a/Documentation/devicetree/bindings/nvmem/raspberrypi,bcm2835-customer-otp.txt b/Documentation/devicetree/bindings/nvmem/raspberrypi,bcm2835-customer-otp.txt > new file mode 100644 > index 0000000..041ff17 > --- /dev/null > +++ b/Documentation/devicetree/bindings/nvmem/raspberrypi,bcm2835-customer-otp.txt > @@ -0,0 +1,22 @@ > +Customer OTP Memory for Raspberry Pi > + > +The VC4 firmware exposes a mailbox interface that allows the ARM core > +to access the customer part of the OTP memory. > + > +The OTP node must be a child node of the Raspberry Pi firmware node. > + > +Required properties : > +- compatible : Should be "raspberrypi,bcm2835-customer-otp" Why do we need this child node? Can't the parent instantiate this? Are there OTP fields you want to expose in DT? > + > +See nvmem.txt for more information. > + > +Example: > + > +firmware: firmware-rpi { > + compatible = "raspberrypi,bcm2835-firmware"; > + mboxes = <&mailbox>; > + > + customer_otp: otp { > + compatible = "raspberrypi,bcm2835-customer-otp"; > + }; > +}; > -- > 2.7.4 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel