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[46.91.239.54]) by smtp.gmail.com with ESMTPSA id l190sm559800wml.16.2019.06.13.09.53.32 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 13 Jun 2019 09:53:33 -0700 (PDT) From: Thierry Reding To: 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> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190613_095334_889643_7941849F X-CRM114-Status: UNSURE ( 9.04 ) X-CRM114-Notice: Please train this message. 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: linux-tegra@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Jon Hunter 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 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel