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imx8mn-var-som: read eth MAC address from EEPROM

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Read ethernet MAC address from EEPROM located on the SOM.

Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
This commit is contained in:
Hugo Villeneuve 2023-05-25 17:02:28 -04:00 committed by Stefano Babic
parent 89bd008da4
commit 2ae1267342
2 changed files with 14 additions and 0 deletions
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13
arch/arm/dts/imx8mn-var-som-symphony-u-boot.dtsi
View File

@ -13,6 +13,19 @@
bootph-pre-ram;
};
&eeprom_som {
#address-cells = <1>;
#size-cells = <1>;
eth_mac_address: eth-mac-address@19 {
reg = <0x19 0x06>;
};
};
&fec1 {
nvmem-cells = <&eth_mac_address>;
nvmem-cell-names = "mac-address";
};
&gpio1 {
bootph-pre-ram;
};

1
arch/arm/mach-imx/imx8m/Kconfig
View File

@ -248,6 +248,7 @@ config TARGET_IMX8MN_VAR_SOM
select MISC
select I2C_EEPROM
select DM_ETH_PHY
select NVMEM
config TARGET_KONTRON_PITX_IMX8M
bool "Support Kontron pITX-imx8m"