diff mbox series

[1/4] arm64: tegra: Add ID EEPROM for Jetson TX2 module

Message ID 20190613165331.8689-1-thierry.reding@gmail.com (mailing list archive)
State New, archived
Headers show
Series [1/4] arm64: tegra: Add ID EEPROM for Jetson TX2 module | expand

Commit Message

Thierry Reding June 13, 2019, 4:53 p.m. UTC 
From: Thierry Reding <treding@nvidia.com>

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 <treding@nvidia.com>
---
 arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi | 11 +++++++++++
 1 file changed, 11 insertions(+)

Comments

Jon Hunter June 19, 2019, 10:40 a.m. UTC | #1 
On 13/06/2019 17:53, Thierry Reding wrote:
> From: Thierry Reding <treding@nvidia.com>
> 
> 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 <treding@nvidia.com>
> ---
>  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 {
> 


Acked-by: Jon Hunter <jonathanh@nvidia.com>

Cheers
Jon
diff mbox series

Patch

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 {