From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: [PATCH 2/4] arm64: tegra: Add ID EEPROM for Jetson TX2 Developer Kit Date: Thu, 13 Jun 2019 18:53:29 +0200 Message-ID: <20190613165331.8689-2-thierry.reding@gmail.com> References: <20190613165331.8689-1-thierry.reding@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20190613165331.8689-1-thierry.reding@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Thierry Reding Cc: linux-tegra@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Jon Hunter List-Id: devicetree@vger.kernel.org From: Thierry Reding There is an ID EEPROM on the Jetson TX2 carrier board, part of the Jetson TX2 Developer Kit, that exposes information that can be used to identify the carrier board. Add the device tree node so that operating systems can access this EEPROM. Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts index 837218e83e69..ab6648c72ad5 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts @@ -149,6 +149,19 @@ phy-names = "usb2-0", "usb2-1", "usb3-0"; }; + i2c@c250000 { + /* carrier board ID EEPROM */ + eeprom@57 { + compatible = "atmel,24c02"; + reg = <0x57>; + + address-bits = <8>; + page-size = <8>; + size = <256>; + read-only; + }; + }; + pcie@10003000 { status = "okay"; -- 2.21.0