Re: [PATCH 4/4] arm64: tegra: Add support for P3768+P3767

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On 02/03/2023 09:33, Thierry Reding wrote:
From: Thierry Reding <treding@xxxxxxxxxx>

Add support for the combination of the NVIDIA Jetson Orin NX (P3767)
module and the P3768 carrier board.

Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
  .../nvidia/tegra234-p3768-0000+p3767-0000.dts | 218 ++++++++++++++++++
  .../boot/dts/nvidia/tegra234-p3768-0000.dtsi  | 133 +++++++++++
  2 files changed, 351 insertions(+)
  create mode 100644 arch/arm64/boot/dts/nvidia/tegra234-p3768-0000+p3767-0000.dts
  create mode 100644 arch/arm64/boot/dts/nvidia/tegra234-p3768-0000.dtsi

...

diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3768-0000.dtsi b/arch/arm64/boot/dts/nvidia/tegra234-p3768-0000.dtsi
new file mode 100644
index 000000000000..3ccb17be17fb
--- /dev/null
+++ b/arch/arm64/boot/dts/nvidia/tegra234-p3768-0000.dtsi
@@ -0,0 +1,133 @@
+// SPDX-License-Identifier: GPL-2.0
+
+/ {
+	compatible = "nvidia,p3768-0000";
+
+	bus@0 {
+		i2c@3160000 {
+			status = "okay";
+
+			eeprom@56 {
+				compatible = "atmel,24c02";
+				reg = <0x56>;
+
+				label = "system";
+				vcc-supply = <&vdd_1v8_sys>;
+				address-width = <8>;
+				pagesize = <8>;
+				size = <256>;
+				read-only;
+			};
+		};


On the board I have, this eeprom appears to be location at address 0x57 and not 0x56. Can you confirm 0x56 works for you? If so, I wonder if there is a board revision issue here?

Thanks
Jon

--
nvpublic



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