From 2ae1267342a28aa7fa9cdf8303d81d87acf05bce Mon Sep 17 00:00:00 2001 From: Hugo Villeneuve Date: Thu, 25 May 2023 17:02:28 -0400 Subject: [PATCH] imx8mn-var-som: read eth MAC address from EEPROM Read ethernet MAC address from EEPROM located on the SOM. Signed-off-by: Hugo Villeneuve --- 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" -- 2.39.5