[openwrt/openwrt] ramips: use NVMEM cells with mt76 EEPROM for Netgear R6220 & WNDR3700 v5

[LEDE Commits]

rmilecki pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/03b328480559a0183752f668dece2ff00d3bee28

commit 03b328480559a0183752f668dece2ff00d3bee28
Author: Rafał Miłecki <rafal at milecki.pl>
AuthorDate: Fri Jul 28 18:53:20 2023 +0200

    ramips: use NVMEM cells with mt76 EEPROM for Netgear R6220 & WNDR3700 v5
    
    This uses new upstream DT binding. It's more generic (NVMEM) compared to
    the old one (MTD).
    
    Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
---
 target/linux/ramips/dts/mt7621_netgear_r6220.dts        | 8 ++++++++
 target/linux/ramips/dts/mt7621_netgear_sercomm_ayx.dtsi | 6 ++++--
 target/linux/ramips/dts/mt7621_netgear_wndr3700-v5.dts  | 8 ++++++++
 3 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/target/linux/ramips/dts/mt7621_netgear_r6220.dts b/target/linux/ramips/dts/mt7621_netgear_r6220.dts
index 146b7ee752..f960d8f66f 100644
--- a/target/linux/ramips/dts/mt7621_netgear_r6220.dts
+++ b/target/linux/ramips/dts/mt7621_netgear_r6220.dts
@@ -52,11 +52,19 @@
 				#address-cells = <1>;
 				#size-cells = <1>;
 
+				eeprom0: eeprom at 0 {
+					reg = <0x0 0x400>;
+				};
+
 				macaddr_factory_4: macaddr at 4 {
 					compatible = "mac-base";
 					reg = <0x4 0x6>;
 					#nvmem-cell-cells = <1>;
 				};
+
+				eeprom1: eeprom at 8000 {
+					reg = <0x8000 0x200>;
+				};
 			};
 		};
 
diff --git a/target/linux/ramips/dts/mt7621_netgear_sercomm_ayx.dtsi b/target/linux/ramips/dts/mt7621_netgear_sercomm_ayx.dtsi
index 691aba1063..052b2a4bab 100644
--- a/target/linux/ramips/dts/mt7621_netgear_sercomm_ayx.dtsi
+++ b/target/linux/ramips/dts/mt7621_netgear_sercomm_ayx.dtsi
@@ -91,8 +91,9 @@
 	wifi at 0,0 {
 		compatible = "mediatek,mt76";
 		reg = <0x0 0 0 0 0>;
-		mediatek,mtd-eeprom = <&factory 0x8000>;
 		ieee80211-freq-limit = <5000000 6000000>;
+		nvmem-cells = <&eeprom1>;
+		nvmem-cell-names = "eeprom";
 	};
 };
 
@@ -100,8 +101,9 @@
 	wifi at 0,0 {
 		compatible = "mediatek,mt76";
 		reg = <0x0 0 0 0 0>;
-		mediatek,mtd-eeprom = <&factory 0x0>;
 		ieee80211-freq-limit = <2400000 2500000>;
+		nvmem-cells = <&eeprom0>;
+		nvmem-cell-names = "eeprom";
 	};
 };
 
diff --git a/target/linux/ramips/dts/mt7621_netgear_wndr3700-v5.dts b/target/linux/ramips/dts/mt7621_netgear_wndr3700-v5.dts
index dc40d71afc..8252d2b9ff 100644
--- a/target/linux/ramips/dts/mt7621_netgear_wndr3700-v5.dts
+++ b/target/linux/ramips/dts/mt7621_netgear_wndr3700-v5.dts
@@ -46,11 +46,19 @@
 					#address-cells = <1>;
 					#size-cells = <1>;
 
+					eeprom0: eeprom at 0 {
+						reg = <0x0 0x400>;
+					};
+
 					macaddr_factory_4: macaddr at 4 {
 						compatible = "mac-base";
 						reg = <0x4 0x6>;
 						#nvmem-cell-cells = <1>;
 					};
+
+					eeprom1: eeprom at 8000 {
+						reg = <0x8000 0x200>;
+					};
 				};
 			};