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

[Jon Hunter <jonathanh@nvidia.com>]

On 02/03/2023 09:33, Thierry Reding wrote:
> From: Thierry Reding <treding@nvidia.com>
> 
> Add support for the combination of the NVIDIA Jetson Orin NX (P3767)
> module and the P3768 carrier board.
> 
> Signed-off-by: Thierry Reding <treding@nvidia.com>
> ---
>   .../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