[PATCH 2/2] ARM: dts: NSP: MX6X: get mac-address from eeprom

From: Matthew Hagan
Date: Sat Sep 25 2021 - 07:39:21 EST


The MAC address on the MX64/MX65 series is located on the AT24 EEPROM.
This is the same as other Meraki devices such as the MR32 [1].

[1] https://lore.kernel.org/linux-arm-kernel/fa8271d02ef74a687f365cebe5c55ec846963ab7.1631986106.git.chunkeey@xxxxxxxxx/

Signed-off-by: Matthew Hagan <mnhagan88@xxxxxxxxx>
---
arch/arm/boot/dts/bcm958625-meraki-mx6x-common.dtsi | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/bcm958625-meraki-mx6x-common.dtsi b/arch/arm/boot/dts/bcm958625-meraki-mx6x-common.dtsi
index 6519b7c61af1..5de727de6a4b 100644
--- a/arch/arm/boot/dts/bcm958625-meraki-mx6x-common.dtsi
+++ b/arch/arm/boot/dts/bcm958625-meraki-mx6x-common.dtsi
@@ -39,6 +39,8 @@ led-3 {

&amac2 {
status = "okay";
+ nvmem-cells = <&mac_address>;
+ nvmem-cell-names = "mac-address";
};

&ehci0 {
@@ -53,6 +55,12 @@ eeprom@50 {
reg = <0x50>;
pagesize = <32>;
read-only;
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ mac_address: mac-address@66 {
+ reg = <0x66 0x6>;
+ };
};
};

--
2.27.0