[openwrt/openwrt] ath79: D-Link DAP-2xxx (QCA953x): convert ath9k caldata to nvmem

[LEDE Commits]

svanheule pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/849ffbd5ab7706f70c3c0dfc8f82ae38c449ee9c

commit 849ffbd5ab7706f70c3c0dfc8f82ae38c449ee9c
Author: Sander Vanheule <sander at svanheule.net>
AuthorDate: Sat Jun 11 13:16:24 2022 +0200

    ath79: D-Link DAP-2xxx (QCA953x): convert ath9k caldata to nvmem
    
    Convert the calibration data reference for the ath9k radio to an
    nvmem-cell, replacing the downstream mtd-cal-data property.
    
    Since the 'art' label is no longer used, it can be dropped.
    
    Cc: Sebastian Schaper <openwrt at sebastianschaper.net>
    Signed-off-by: Sander Vanheule <sander at svanheule.net>
---
 target/linux/ath79/dts/qca953x_dlink_dap-2xxx.dtsi | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/target/linux/ath79/dts/qca953x_dlink_dap-2xxx.dtsi b/target/linux/ath79/dts/qca953x_dlink_dap-2xxx.dtsi
index 59c09dbe1b..13d41f7bd5 100644
--- a/target/linux/ath79/dts/qca953x_dlink_dap-2xxx.dtsi
+++ b/target/linux/ath79/dts/qca953x_dlink_dap-2xxx.dtsi
@@ -42,10 +42,18 @@
 				read-only;
 			};
 
-			art: partition at ff0000 {
+			partition at ff0000 {
 				label = "art";
 				reg = <0xff0000 0x10000>;
 				read-only;
+
+				compatible = "nvmem-cells";
+				#address-cells = <1>;
+				#size-cells = <1>;
+
+				cal_ath9k: calibration at 1000 {
+					reg = <0x1000 0x440>;
+				};
 			};
 		};
 	};
@@ -54,5 +62,6 @@
 &wmac {
 	status = "okay";
 
-	mtd-cal-data = <&art 0x1000>;
+	nvmem-cells = <&cal_ath9k>;
+	nvmem-cell-names = "calibration";
 };