| Message ID | 20190613165331.8689-2-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 |
On 13/06/2019 17:53, Thierry Reding wrote: > From: Thierry Reding <treding@nvidia.com> > > There is an ID EEPROM on the Jetson TX2 carrier board, part of the > Jetson TX2 Developer Kit, that exposes information that can be used to > identify the carrier board. 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-p2771-0000.dts | 13 +++++++++++++ > 1 file changed, 13 insertions(+) > > diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts > index 837218e83e69..ab6648c72ad5 100644 > --- a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts > +++ b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts > @@ -149,6 +149,19 @@ > phy-names = "usb2-0", "usb2-1", "usb3-0"; > }; > > + i2c@c250000 { > + /* carrier board ID EEPROM */ > + eeprom@57 { > + compatible = "atmel,24c02"; > + reg = <0x57>; > + > + address-bits = <8>; > + page-size = <8>; > + size = <256>; > + read-only; > + }; > + }; > + > pcie@10003000 { > status = "okay"; Acked-by: Jon Hunter <jonathanh@nvidia.com> Cheers Jon
diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts index 837218e83e69..ab6648c72ad5 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts @@ -149,6 +149,19 @@ phy-names = "usb2-0", "usb2-1", "usb3-0"; }; + i2c@c250000 { + /* carrier board ID EEPROM */ + eeprom@57 { + compatible = "atmel,24c02"; + reg = <0x57>; + + address-bits = <8>; + page-size = <8>; + size = <256>; + read-only; + }; + }; + pcie@10003000 { status = "okay";