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| author | Ryan Wanner <Ryan.Wanner@microchip.com> | 2025-04-01 19:13:22 +0300 |
|---|---|---|
| committer | Claudiu Beznea <claudiu.beznea@tuxon.dev> | 2025-05-16 08:31:28 +0300 |
| commit | 0bbc54da32f6c9d01b5d3baea93bdb4d49b880fb (patch) | |
| tree | 944b6ffc56a4f65a3a382bf7948958ae0f60fda3 | |
| parent | e65a13a2909658f9fce765d1127274d526c4d490 (diff) | |
| download | linux-0bbc54da32f6c9d01b5d3baea93bdb4d49b880fb.tar.xz | |
ARM: dts: microchip: sama7d65_curiosity: add EEPROM
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>
| -rw-r--r-- | arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts b/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts index 548c438bc03d..8057cf9c919a 100644 --- a/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts +++ b/arch/arm/boot/dts/microchip/at91-sama7d65_curiosity.dts @@ -78,6 +78,8 @@ &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 @@ }; }; }; + + 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 { |