From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: [PATCH 1/4] arm64: tegra: Add ID EEPROM for Jetson TX2 module Date: Thu, 13 Jun 2019 18:53:28 +0200 Message-ID: <20190613165331.8689-1-thierry.reding@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: 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 in the Jetson TX2 module that stores various bits of information to indentify the module. Add the device tree node so that operating systems can access this EEPROM. Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi b/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi index 38ad1053f21a..4bbee83d9943 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi @@ -124,6 +124,17 @@ i2c@c250000 { status = "okay"; + + /* module ID EEPROM */ + eeprom@50 { + compatible = "atmel,24c02"; + reg = <0x50>; + + address-bits = <8>; + page-size = <8>; + size = <256>; + read-only; + }; }; rtc@c2a0000 { -- 2.21.0