From: Hugo Villeneuve hvilleneuve@dimonoff.com
Read ethernet MAC address from EEPROM located on the SOM.
Signed-off-by: Hugo Villeneuve hvilleneuve@dimonoff.com --- arch/arm/dts/imx8mn-var-som-symphony-u-boot.dtsi | 13 +++++++++++++ arch/arm/mach-imx/imx8m/Kconfig | 1 + 2 files changed, 14 insertions(+)
diff --git a/arch/arm/dts/imx8mn-var-som-symphony-u-boot.dtsi b/arch/arm/dts/imx8mn-var-som-symphony-u-boot.dtsi index 7272fc2b4c..e0caf3179e 100644 --- a/arch/arm/dts/imx8mn-var-som-symphony-u-boot.dtsi +++ b/arch/arm/dts/imx8mn-var-som-symphony-u-boot.dtsi @@ -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 = <ð_mac_address>; + nvmem-cell-names = "mac-address"; +}; + &gpio1 { bootph-pre-ram; }; diff --git a/arch/arm/mach-imx/imx8m/Kconfig b/arch/arm/mach-imx/imx8m/Kconfig index a940d8a950..67db3e46ec 100644 --- a/arch/arm/mach-imx/imx8m/Kconfig +++ b/arch/arm/mach-imx/imx8m/Kconfig @@ -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"