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Wed, 17 Jul 2019 14:22:32 -0700 (PDT) Subject: Re: [PATCH RFC 18/18] ARM: dts: Add minimal Raspberry Pi 4 support To: Stefan Wahren , Eric Anholt , Ray Jui , Scott Branden , Nicolas Saenz Julienne , Rob Herring , Mark Rutland , Linus Walleij , Michael Turquette , Stephen Boyd , Ulf Hansson , Adrian Hunter , Mark Brown References: <1563398164-2679-1-git-send-email-wahrenst@gmx.net> <1563398164-2679-5-git-send-email-wahrenst@gmx.net> From: Florian Fainelli Openpgp: preference=signencrypt Message-ID: <57dea1a5-2a33-5644-05c5-174753307fc0@gmail.com> Date: Wed, 17 Jul 2019 14:22:30 -0700 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <1563398164-2679-5-git-send-email-wahrenst@gmx.net> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190717_142236_393243_2FF3E875 X-CRM114-Status: GOOD ( 17.48 ) 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: bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.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+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 7/17/2019 2:16 PM, Stefan Wahren wrote: > This adds minimal support for the new Raspberry Pi 4 without the > fancy stuff like GENET, PCIe, XHCI, 40 bit DMA and V3D. The RPi 4 is avail= > able > in 3 different variants (1, 2 and 4 GB RAM), so leave the memory size to z= > ero > and let the bootloader take care of it. > > Other differences to the Raspberry Pi 3: > - additional GIC 400 Interrupt controller > - new thermal IP and HWRNG > - additional MMC interface (emmc2) > - additional UART, I2C, SPI and PWM interfaces > > Signed-off-by: Stefan Wahren > =2D-- [snip] > + rng@7e104000 { > + interrupts =3D ; > + > + /* RNG is incompatible to brcm,bcm2835-rng */ > + status =3D "disabled"; It's an iproc-rng200, so you can either re-use the bcm7211-rng compatible string that was just recently added or you can define a bcm2838-rng if you prefer. -- Florian _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel