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ARM: dts: microchip: sama7d65_curiosity: add EEPROM

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If the MAC address is not fetched and loaded by U-boot then Linux will
have to load the address. The EEPROM and nvmem-layout to describe
EUI48 MAC address regions.

Signed-off-by: Ryan Wanner <Ryan.Wanner@microchip.com>
Link: https://lore.kernel.org/r/96ee6832d9b55acfae8d3560f625798025dfd89c.1743523114.git.Ryan.Wanner@microchip.com
[claudiu.beznea: added nvmem properties in gmac0 node before the status
 one]
Signed-off-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
This commit is contained in:
Ryan Wanner 2025-04-01 09:13:22 -07:00 committed by Claudiu Beznea
parent e65a13a290
commit 0bbc54da32
1 changed files with 20 additions and 0 deletions
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20
arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts
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@ -78,6 +78,8 @@ &pinctrl_gmac0_mdio_default
&pinctrl_gmac0_txck_default
&pinctrl_gmac0_phy_irq>;
phy-mode = "rgmii-id";
nvmem-cells = <&eeprom0_eui48>;
nvmem-cell-names = "mac-address";
status = "okay";
ethernet-phy@7 {
@ -251,6 +253,24 @@ regulator-state-mem {
};
};
};
eeprom0: eeprom@51 {
compatible = "microchip,24aa025e48";
reg = <0x51>;
size = <256>;
pagesize = <16>;
vcc-supply = <&vdd_3v3>;
nvmem-layout {
compatible = "fixed-layout";
#address-cells = <1>;
#size-cells = <1>;
eeprom0_eui48: eui48@fa {
reg = <0xfa 0x6>;
};
};
};
};
&main_xtal {