diff --git a/target/linux/ath79/dts/ar1022_iodata_wn-ag300dgr.dts b/target/linux/ath79/dts/ar1022_iodata_wn-ag300dgr.dts
index f0d262c847d..2186d13667e 100644
--- a/target/linux/ath79/dts/ar1022_iodata_wn-ag300dgr.dts
+++ b/target/linux/ath79/dts/ar1022_iodata_wn-ag300dgr.dts
@@ -109,8 +109,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar1022_sitecom_wlr-7100.dts b/target/linux/ath79/dts/ar1022_sitecom_wlr-7100.dts
index 2669db783ea..e2481ad70c0 100644
--- a/target/linux/ath79/dts/ar1022_sitecom_wlr-7100.dts
+++ b/target/linux/ath79/dts/ar1022_sitecom_wlr-7100.dts
@@ -101,8 +101,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar7161_adtran_bsap1880.dtsi b/target/linux/ath79/dts/ar7161_adtran_bsap1880.dtsi
index 344241a3226..ab868846ffe 100644
--- a/target/linux/ath79/dts/ar7161_adtran_bsap1880.dtsi
+++ b/target/linux/ath79/dts/ar7161_adtran_bsap1880.dtsi
@@ -79,8 +79,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar7161_aruba_ap-105.dts b/target/linux/ath79/dts/ar7161_aruba_ap-105.dts
index 45f77f78914..3ad24868739 100644
--- a/target/linux/ath79/dts/ar7161_aruba_ap-105.dts
+++ b/target/linux/ath79/dts/ar7161_aruba_ap-105.dts
@@ -147,8 +147,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar7161_buffalo_wzr-hp-ag300h.dtsi b/target/linux/ath79/dts/ar7161_buffalo_wzr-hp-ag300h.dtsi
index 053c91557b4..3b6eaf5cc89 100644
--- a/target/linux/ath79/dts/ar7161_buffalo_wzr-hp-ag300h.dtsi
+++ b/target/linux/ath79/dts/ar7161_buffalo_wzr-hp-ag300h.dtsi
@@ -223,7 +223,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <2>;
 	cs-gpios = <0>, <0>;
 
 	flash0: flash@0 {
diff --git a/target/linux/ath79/dts/ar7161_dlink_dir-825-b1.dts b/target/linux/ath79/dts/ar7161_dlink_dir-825-b1.dts
index 85fd54b396b..a7115ff7e6f 100644
--- a/target/linux/ath79/dts/ar7161_dlink_dir-825-b1.dts
+++ b/target/linux/ath79/dts/ar7161_dlink_dir-825-b1.dts
@@ -170,8 +170,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar7161_jjplus_ja76pf2.dts b/target/linux/ath79/dts/ar7161_jjplus_ja76pf2.dts
index 8a27452eb83..145aba7d8ee 100644
--- a/target/linux/ath79/dts/ar7161_jjplus_ja76pf2.dts
+++ b/target/linux/ath79/dts/ar7161_jjplus_ja76pf2.dts
@@ -105,8 +105,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar7161_meraki_mr16.dts b/target/linux/ath79/dts/ar7161_meraki_mr16.dts
index afc49ce8651..f541a00841a 100644
--- a/target/linux/ath79/dts/ar7161_meraki_mr16.dts
+++ b/target/linux/ath79/dts/ar7161_meraki_mr16.dts
@@ -128,7 +128,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/ar7161_netgear_wndr.dtsi b/target/linux/ath79/dts/ar7161_netgear_wndr.dtsi
index 9e41b613574..61097f96795 100644
--- a/target/linux/ath79/dts/ar7161_netgear_wndr.dtsi
+++ b/target/linux/ath79/dts/ar7161_netgear_wndr.dtsi
@@ -194,8 +194,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar7161_siemens_ws-ap3610.dts b/target/linux/ath79/dts/ar7161_siemens_ws-ap3610.dts
index 3c1d97f25e2..39bc318b175 100644
--- a/target/linux/ath79/dts/ar7161_siemens_ws-ap3610.dts
+++ b/target/linux/ath79/dts/ar7161_siemens_ws-ap3610.dts
@@ -111,8 +111,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar7161_ubnt_routerstation.dtsi b/target/linux/ath79/dts/ar7161_ubnt_routerstation.dtsi
index cd0e5015a96..7768bf4c44b 100644
--- a/target/linux/ath79/dts/ar7161_ubnt_routerstation.dtsi
+++ b/target/linux/ath79/dts/ar7161_ubnt_routerstation.dtsi
@@ -55,7 +55,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/ar7240_buffalo_whr-g301n.dts b/target/linux/ath79/dts/ar7240_buffalo_whr-g301n.dts
index e93c5ca652a..4f284ed9000 100644
--- a/target/linux/ath79/dts/ar7240_buffalo_whr-g301n.dts
+++ b/target/linux/ath79/dts/ar7240_buffalo_whr-g301n.dts
@@ -109,8 +109,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar7240_dlink_dir-615-e4.dts b/target/linux/ath79/dts/ar7240_dlink_dir-615-e4.dts
index b632d3b8a82..9e444200484 100644
--- a/target/linux/ath79/dts/ar7240_dlink_dir-615-e4.dts
+++ b/target/linux/ath79/dts/ar7240_dlink_dir-615-e4.dts
@@ -99,8 +99,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar7240_engenius_enh202-v1.dts b/target/linux/ath79/dts/ar7240_engenius_enh202-v1.dts
index 4752ad1edd5..aeb1e9e4241 100644
--- a/target/linux/ath79/dts/ar7240_engenius_enh202-v1.dts
+++ b/target/linux/ath79/dts/ar7240_engenius_enh202-v1.dts
@@ -95,8 +95,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar7240_netgear_wnr1000-v2.dts b/target/linux/ath79/dts/ar7240_netgear_wnr1000-v2.dts
index d67af04d1cb..d700ea73fa6 100644
--- a/target/linux/ath79/dts/ar7240_netgear_wnr1000-v2.dts
+++ b/target/linux/ath79/dts/ar7240_netgear_wnr1000-v2.dts
@@ -134,8 +134,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar7240_netgear_wnr612-v2.dtsi b/target/linux/ath79/dts/ar7240_netgear_wnr612-v2.dtsi
index 44dbe9c55ec..382529b32d0 100644
--- a/target/linux/ath79/dts/ar7240_netgear_wnr612-v2.dtsi
+++ b/target/linux/ath79/dts/ar7240_netgear_wnr612-v2.dtsi
@@ -67,8 +67,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar7240_tplink.dtsi b/target/linux/ath79/dts/ar7240_tplink.dtsi
index 23d12e4edf7..48849ccbcb2 100644
--- a/target/linux/ath79/dts/ar7240_tplink.dtsi
+++ b/target/linux/ath79/dts/ar7240_tplink.dtsi
@@ -63,8 +63,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar7241_netgear_wnr2000-v3.dts b/target/linux/ath79/dts/ar7241_netgear_wnr2000-v3.dts
index 1b124f3f2e6..2e7ea746dff 100644
--- a/target/linux/ath79/dts/ar7241_netgear_wnr2000-v3.dts
+++ b/target/linux/ath79/dts/ar7241_netgear_wnr2000-v3.dts
@@ -137,8 +137,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar7241_netgear_wnr2200.dtsi b/target/linux/ath79/dts/ar7241_netgear_wnr2200.dtsi
index 62614166db2..c61e188e328 100644
--- a/target/linux/ath79/dts/ar7241_netgear_wnr2200.dtsi
+++ b/target/linux/ath79/dts/ar7241_netgear_wnr2200.dtsi
@@ -137,7 +137,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/ar7241_tplink.dtsi b/target/linux/ath79/dts/ar7241_tplink.dtsi
index 62884f09026..49908066d66 100644
--- a/target/linux/ath79/dts/ar7241_tplink.dtsi
+++ b/target/linux/ath79/dts/ar7241_tplink.dtsi
@@ -50,8 +50,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar7241_tplink_tl-wr842n-v1.dts b/target/linux/ath79/dts/ar7241_tplink_tl-wr842n-v1.dts
index b0f6c3695a2..d83f4cd2a80 100644
--- a/target/linux/ath79/dts/ar7241_tplink_tl-wr842n-v1.dts
+++ b/target/linux/ath79/dts/ar7241_tplink_tl-wr842n-v1.dts
@@ -95,8 +95,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar7241_ubnt_unifi.dts b/target/linux/ath79/dts/ar7241_ubnt_unifi.dts
index ce59463d9e8..bdb4c61a483 100644
--- a/target/linux/ath79/dts/ar7241_ubnt_unifi.dts
+++ b/target/linux/ath79/dts/ar7241_ubnt_unifi.dts
@@ -59,8 +59,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar7242_avm_fritz300e.dts b/target/linux/ath79/dts/ar7242_avm_fritz300e.dts
index 3a002aaedfb..3cc7198ca1b 100644
--- a/target/linux/ath79/dts/ar7242_avm_fritz300e.dts
+++ b/target/linux/ath79/dts/ar7242_avm_fritz300e.dts
@@ -96,8 +96,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar7242_buffalo_wzr-bhr.dtsi b/target/linux/ath79/dts/ar7242_buffalo_wzr-bhr.dtsi
index 2840f91ec1c..d1a251441ec 100644
--- a/target/linux/ath79/dts/ar7242_buffalo_wzr-bhr.dtsi
+++ b/target/linux/ath79/dts/ar7242_buffalo_wzr-bhr.dtsi
@@ -108,7 +108,6 @@
 	status = "okay";
 
 	cs-gpios = <0>, <0>;
-	num-cs = <2>;
 
 	flash0: flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/ar7242_buffalo_wzr-hp-g302h-a1a0.dts b/target/linux/ath79/dts/ar7242_buffalo_wzr-hp-g302h-a1a0.dts
index f035f86c7cc..bf570b6ea52 100644
--- a/target/linux/ath79/dts/ar7242_buffalo_wzr-hp-g302h-a1a0.dts
+++ b/target/linux/ath79/dts/ar7242_buffalo_wzr-hp-g302h-a1a0.dts
@@ -164,7 +164,6 @@
 	status = "okay";
 
 	cs-gpios = <0>, <0>;
-	num-cs = <2>;
 
 	flash0: flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/ar7242_tplink_tl-wr2543-v1.dts b/target/linux/ath79/dts/ar7242_tplink_tl-wr2543-v1.dts
index dd4cbf03eb8..a07f80f55fe 100644
--- a/target/linux/ath79/dts/ar7242_tplink_tl-wr2543-v1.dts
+++ b/target/linux/ath79/dts/ar7242_tplink_tl-wr2543-v1.dts
@@ -102,8 +102,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar7242_ubnt_sw.dtsi b/target/linux/ath79/dts/ar7242_ubnt_sw.dtsi
index 52e83ea8d00..c5122dbd9f9 100644
--- a/target/linux/ath79/dts/ar7242_ubnt_sw.dtsi
+++ b/target/linux/ath79/dts/ar7242_ubnt_sw.dtsi
@@ -66,8 +66,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar724x_ubnt_xm.dtsi b/target/linux/ath79/dts/ar724x_ubnt_xm.dtsi
index ad216116a9e..81a1aba47d9 100644
--- a/target/linux/ath79/dts/ar724x_ubnt_xm.dtsi
+++ b/target/linux/ath79/dts/ar724x_ubnt_xm.dtsi
@@ -22,8 +22,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9132_tplink_tl-wa901nd-v2.dts b/target/linux/ath79/dts/ar9132_tplink_tl-wa901nd-v2.dts
index c8697d193d6..772c874cdde 100644
--- a/target/linux/ath79/dts/ar9132_tplink_tl-wa901nd-v2.dts
+++ b/target/linux/ath79/dts/ar9132_tplink_tl-wa901nd-v2.dts
@@ -73,8 +73,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9132_tplink_tl-wr1043nd-v1.dts b/target/linux/ath79/dts/ar9132_tplink_tl-wr1043nd-v1.dts
index e17303a0fbc..f5759908945 100644
--- a/target/linux/ath79/dts/ar9132_tplink_tl-wr1043nd-v1.dts
+++ b/target/linux/ath79/dts/ar9132_tplink_tl-wr1043nd-v1.dts
@@ -105,8 +105,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9330_pqi_air-pen.dts b/target/linux/ath79/dts/ar9330_pqi_air-pen.dts
index 7d04b013772..5f2aa3b03c5 100644
--- a/target/linux/ath79/dts/ar9330_pqi_air-pen.dts
+++ b/target/linux/ath79/dts/ar9330_pqi_air-pen.dts
@@ -66,8 +66,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		spi-max-frequency = <50000000>;
diff --git a/target/linux/ath79/dts/ar9331_alfa-network_ap121f.dtsi b/target/linux/ath79/dts/ar9331_alfa-network_ap121f.dtsi
index 50605bf6858..47133cdf5dd 100644
--- a/target/linux/ath79/dts/ar9331_alfa-network_ap121f.dtsi
+++ b/target/linux/ath79/dts/ar9331_alfa-network_ap121f.dtsi
@@ -74,8 +74,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9331_arduino_yun.dts b/target/linux/ath79/dts/ar9331_arduino_yun.dts
index 8ce5beb0592..6a5aca05411 100644
--- a/target/linux/ath79/dts/ar9331_arduino_yun.dts
+++ b/target/linux/ath79/dts/ar9331_arduino_yun.dts
@@ -162,8 +162,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9331_glinet_6408.dts b/target/linux/ath79/dts/ar9331_glinet_6408.dts
index 8bf5d4390e9..658fa1aa5e2 100644
--- a/target/linux/ath79/dts/ar9331_glinet_6408.dts
+++ b/target/linux/ath79/dts/ar9331_glinet_6408.dts
@@ -10,8 +10,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9331_glinet_6416.dts b/target/linux/ath79/dts/ar9331_glinet_6416.dts
index 2039ce6eacb..189563aaf98 100644
--- a/target/linux/ath79/dts/ar9331_glinet_6416.dts
+++ b/target/linux/ath79/dts/ar9331_glinet_6416.dts
@@ -10,8 +10,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9331_hak5_lan-turtle.dtsi b/target/linux/ath79/dts/ar9331_hak5_lan-turtle.dtsi
index c5770a75120..e7ca002038d 100644
--- a/target/linux/ath79/dts/ar9331_hak5_lan-turtle.dtsi
+++ b/target/linux/ath79/dts/ar9331_hak5_lan-turtle.dtsi
@@ -55,8 +55,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9331_hak5_wifi-pineapple-nano.dts b/target/linux/ath79/dts/ar9331_hak5_wifi-pineapple-nano.dts
index 6bc0773b9b0..bbc0f1c7113 100644
--- a/target/linux/ath79/dts/ar9331_hak5_wifi-pineapple-nano.dts
+++ b/target/linux/ath79/dts/ar9331_hak5_wifi-pineapple-nano.dts
@@ -75,8 +75,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9331_pisen_wmm003n.dts b/target/linux/ath79/dts/ar9331_pisen_wmm003n.dts
index cdc92f697db..16f88c3273a 100644
--- a/target/linux/ath79/dts/ar9331_pisen_wmm003n.dts
+++ b/target/linux/ath79/dts/ar9331_pisen_wmm003n.dts
@@ -49,7 +49,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/ar9331_tplink_tl-wr703n_tl-mr10u.dtsi b/target/linux/ath79/dts/ar9331_tplink_tl-wr703n_tl-mr10u.dtsi
index 4ea658713d5..ecd795580f3 100644
--- a/target/linux/ath79/dts/ar9331_tplink_tl-wr703n_tl-mr10u.dtsi
+++ b/target/linux/ath79/dts/ar9331_tplink_tl-wr703n_tl-mr10u.dtsi
@@ -47,8 +47,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9331_tplink_tl-wr710n-8m.dtsi b/target/linux/ath79/dts/ar9331_tplink_tl-wr710n-8m.dtsi
index ffc98e6e1c4..759e7652946 100644
--- a/target/linux/ath79/dts/ar9331_tplink_tl-wr710n-8m.dtsi
+++ b/target/linux/ath79/dts/ar9331_tplink_tl-wr710n-8m.dtsi
@@ -5,8 +5,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9331_tplink_tl-wr741nd-v4.dtsi b/target/linux/ath79/dts/ar9331_tplink_tl-wr741nd-v4.dtsi
index c1d88f48123..a542fae7394 100644
--- a/target/linux/ath79/dts/ar9331_tplink_tl-wr741nd-v4.dtsi
+++ b/target/linux/ath79/dts/ar9331_tplink_tl-wr741nd-v4.dtsi
@@ -88,8 +88,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9341_engenius_eap300-v2.dts b/target/linux/ath79/dts/ar9341_engenius_eap300-v2.dts
index d41a6e7a75f..e299c8529de 100644
--- a/target/linux/ath79/dts/ar9341_engenius_eap300-v2.dts
+++ b/target/linux/ath79/dts/ar9341_engenius_eap300-v2.dts
@@ -79,8 +79,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9341_engenius_ens202ext-v1.dts b/target/linux/ath79/dts/ar9341_engenius_ens202ext-v1.dts
index da1e59d4c32..94b079f94d5 100644
--- a/target/linux/ath79/dts/ar9341_engenius_ens202ext-v1.dts
+++ b/target/linux/ath79/dts/ar9341_engenius_ens202ext-v1.dts
@@ -89,8 +89,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9341_pcs_cr3000.dts b/target/linux/ath79/dts/ar9341_pcs_cr3000.dts
index 7eafd1acd46..28076716b7d 100644
--- a/target/linux/ath79/dts/ar9341_pcs_cr3000.dts
+++ b/target/linux/ath79/dts/ar9341_pcs_cr3000.dts
@@ -89,8 +89,6 @@
 };
 
 &spi {
-	num-cs = <1>;
-
 	status = "okay";
 
 	flash@0 {
diff --git a/target/linux/ath79/dts/ar9341_pisen_wmb001n.dts b/target/linux/ath79/dts/ar9341_pisen_wmb001n.dts
index 7057c3b1adf..3d9c6cb7810 100644
--- a/target/linux/ath79/dts/ar9341_pisen_wmb001n.dts
+++ b/target/linux/ath79/dts/ar9341_pisen_wmb001n.dts
@@ -134,8 +134,6 @@
 };
 
 &spi {
-	num-cs = <1>;
-
 	status = "okay";
 
 	flash@0 {
diff --git a/target/linux/ath79/dts/ar9341_tplink_tl-mr3420-v2.dts b/target/linux/ath79/dts/ar9341_tplink_tl-mr3420-v2.dts
index 750522ded1e..9adc9a1faf8 100644
--- a/target/linux/ath79/dts/ar9341_tplink_tl-mr3420-v2.dts
+++ b/target/linux/ath79/dts/ar9341_tplink_tl-mr3420-v2.dts
@@ -44,8 +44,6 @@
 };
 
 &spi {
-	num-cs = <1>;
-
 	status = "okay";
 
 	flash@0 {
diff --git a/target/linux/ath79/dts/ar9341_tplink_tl-wa.dtsi b/target/linux/ath79/dts/ar9341_tplink_tl-wa.dtsi
index 70c2909870b..8f40675d91c 100644
--- a/target/linux/ath79/dts/ar9341_tplink_tl-wa.dtsi
+++ b/target/linux/ath79/dts/ar9341_tplink_tl-wa.dtsi
@@ -19,8 +19,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9341_tplink_tl-wr841-v8.dts b/target/linux/ath79/dts/ar9341_tplink_tl-wr841-v8.dts
index 9f2e680b633..cd7532d27a6 100644
--- a/target/linux/ath79/dts/ar9341_tplink_tl-wr841-v8.dts
+++ b/target/linux/ath79/dts/ar9341_tplink_tl-wr841-v8.dts
@@ -27,8 +27,6 @@
 };
 
 &spi {
-	num-cs = <1>;
-
 	status = "okay";
 
 	flash@0 {
diff --git a/target/linux/ath79/dts/ar9341_tplink_tl-wr842n-v2.dts b/target/linux/ath79/dts/ar9341_tplink_tl-wr842n-v2.dts
index cb6b25e6646..8c27fe19714 100644
--- a/target/linux/ath79/dts/ar9341_tplink_tl-wr842n-v2.dts
+++ b/target/linux/ath79/dts/ar9341_tplink_tl-wr842n-v2.dts
@@ -47,8 +47,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9342_iodata_etg3-r.dts b/target/linux/ath79/dts/ar9342_iodata_etg3-r.dts
index 58845f4cb62..f11d3952a32 100644
--- a/target/linux/ath79/dts/ar9342_iodata_etg3-r.dts
+++ b/target/linux/ath79/dts/ar9342_iodata_etg3-r.dts
@@ -50,8 +50,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9342_ubnt_wa.dtsi b/target/linux/ath79/dts/ar9342_ubnt_wa.dtsi
index 3a4fc80b755..d141d48dae4 100644
--- a/target/linux/ath79/dts/ar9342_ubnt_wa.dtsi
+++ b/target/linux/ath79/dts/ar9342_ubnt_wa.dtsi
@@ -35,7 +35,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/ar9342_ubnt_xw.dtsi b/target/linux/ath79/dts/ar9342_ubnt_xw.dtsi
index ff4e177ca8e..c5fbdb94c4d 100644
--- a/target/linux/ath79/dts/ar9342_ubnt_xw.dtsi
+++ b/target/linux/ath79/dts/ar9342_ubnt_xw.dtsi
@@ -63,7 +63,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/ar9344_aerohive_hiveap-121.dts b/target/linux/ath79/dts/ar9344_aerohive_hiveap-121.dts
index aed25e2f678..0ef5f1b7b9e 100644
--- a/target/linux/ath79/dts/ar9344_aerohive_hiveap-121.dts
+++ b/target/linux/ath79/dts/ar9344_aerohive_hiveap-121.dts
@@ -118,8 +118,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9344_alfa-network_n5q.dts b/target/linux/ath79/dts/ar9344_alfa-network_n5q.dts
index 75893a5e33d..dd50d2bc205 100644
--- a/target/linux/ath79/dts/ar9344_alfa-network_n5q.dts
+++ b/target/linux/ath79/dts/ar9344_alfa-network_n5q.dts
@@ -107,8 +107,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9344_comfast_cf-e120a-v3.dts b/target/linux/ath79/dts/ar9344_comfast_cf-e120a-v3.dts
index 95f798cc0f0..11cc2dadfdd 100644
--- a/target/linux/ath79/dts/ar9344_comfast_cf-e120a-v3.dts
+++ b/target/linux/ath79/dts/ar9344_comfast_cf-e120a-v3.dts
@@ -81,8 +81,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9344_compex_wpj344-16m.dts b/target/linux/ath79/dts/ar9344_compex_wpj344-16m.dts
index a6a48110531..de8a4d5fd72 100644
--- a/target/linux/ath79/dts/ar9344_compex_wpj344-16m.dts
+++ b/target/linux/ath79/dts/ar9344_compex_wpj344-16m.dts
@@ -68,8 +68,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9344_devolo_magic-2-wifi.dts b/target/linux/ath79/dts/ar9344_devolo_magic-2-wifi.dts
index a35c177b3c6..d2f385c5715 100644
--- a/target/linux/ath79/dts/ar9344_devolo_magic-2-wifi.dts
+++ b/target/linux/ath79/dts/ar9344_devolo_magic-2-wifi.dts
@@ -75,8 +75,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9344_dlink_dir-8x5.dtsi b/target/linux/ath79/dts/ar9344_dlink_dir-8x5.dtsi
index 8f6859185de..4c2177bfadb 100644
--- a/target/linux/ath79/dts/ar9344_dlink_dir-8x5.dtsi
+++ b/target/linux/ath79/dts/ar9344_dlink_dir-8x5.dtsi
@@ -69,7 +69,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/ar9344_enterasys_ws-ap3705i.dts b/target/linux/ath79/dts/ar9344_enterasys_ws-ap3705i.dts
index 26e98f87119..7fb794f21c3 100644
--- a/target/linux/ath79/dts/ar9344_enterasys_ws-ap3705i.dts
+++ b/target/linux/ath79/dts/ar9344_enterasys_ws-ap3705i.dts
@@ -119,7 +119,6 @@
 	status = "okay";
 
 	cs-gpios = <0>, <0>;
-	num-cs = <2>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/ar9344_mikrotik_routerboard-sxt-5n.dtsi b/target/linux/ath79/dts/ar9344_mikrotik_routerboard-sxt-5n.dtsi
index 789069632b2..013a998a023 100644
--- a/target/linux/ath79/dts/ar9344_mikrotik_routerboard-sxt-5n.dtsi
+++ b/target/linux/ath79/dts/ar9344_mikrotik_routerboard-sxt-5n.dtsi
@@ -87,8 +87,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9344_ocedo_raccoon.dts b/target/linux/ath79/dts/ar9344_ocedo_raccoon.dts
index 443f0c67248..3260d6b32d2 100644
--- a/target/linux/ath79/dts/ar9344_ocedo_raccoon.dts
+++ b/target/linux/ath79/dts/ar9344_ocedo_raccoon.dts
@@ -73,8 +73,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9344_pcs_cap324.dts b/target/linux/ath79/dts/ar9344_pcs_cap324.dts
index c5919b5ef83..de75b8e0b49 100644
--- a/target/linux/ath79/dts/ar9344_pcs_cap324.dts
+++ b/target/linux/ath79/dts/ar9344_pcs_cap324.dts
@@ -80,8 +80,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9344_pcs_cr5000.dts b/target/linux/ath79/dts/ar9344_pcs_cr5000.dts
index 3ab1cb34b32..7f74ba63519 100644
--- a/target/linux/ath79/dts/ar9344_pcs_cr5000.dts
+++ b/target/linux/ath79/dts/ar9344_pcs_cr5000.dts
@@ -72,8 +72,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9344_qihoo_c301.dts b/target/linux/ath79/dts/ar9344_qihoo_c301.dts
index dff2644b11a..b05d6731378 100644
--- a/target/linux/ath79/dts/ar9344_qihoo_c301.dts
+++ b/target/linux/ath79/dts/ar9344_qihoo_c301.dts
@@ -101,11 +101,10 @@
 };
 
 &spi {
-	pinctrl-names = "default";
-	pinctrl-0 = <&pmx_spi_cs1>;
 	status = "okay";
 
-	num-cs = <2>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pmx_spi_cs1>;
 
 	flash@0 {
 		#address-cells = <1>;
diff --git a/target/linux/ath79/dts/ar9344_qxwlan_e750x.dtsi b/target/linux/ath79/dts/ar9344_qxwlan_e750x.dtsi
index 2cd7b446c6b..16e20b7498b 100644
--- a/target/linux/ath79/dts/ar9344_qxwlan_e750x.dtsi
+++ b/target/linux/ath79/dts/ar9344_qxwlan_e750x.dtsi
@@ -59,8 +59,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9344_samsung_wam250.dts b/target/linux/ath79/dts/ar9344_samsung_wam250.dts
index 8a04af29737..a7cea7c2b6a 100644
--- a/target/linux/ath79/dts/ar9344_samsung_wam250.dts
+++ b/target/linux/ath79/dts/ar9344_samsung_wam250.dts
@@ -97,8 +97,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9344_teltonika_rut955.dts b/target/linux/ath79/dts/ar9344_teltonika_rut955.dts
index 98ad19cdebd..7914928aa08 100644
--- a/target/linux/ath79/dts/ar9344_teltonika_rut955.dts
+++ b/target/linux/ath79/dts/ar9344_teltonika_rut955.dts
@@ -141,7 +141,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <3>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pmx_spi>, <&pmx_spi_ext>;
 
diff --git a/target/linux/ath79/dts/ar9344_teltonika_rut9xx.dtsi b/target/linux/ath79/dts/ar9344_teltonika_rut9xx.dtsi
index 5e1d810b1f2..116d797eb21 100644
--- a/target/linux/ath79/dts/ar9344_teltonika_rut9xx.dtsi
+++ b/target/linux/ath79/dts/ar9344_teltonika_rut9xx.dtsi
@@ -60,7 +60,7 @@
 
 &spi {
 	status = "okay";
-	num-cs = <2>;
+
 	pinctrl-names = "default";
 	pinctrl-0 = <&pmx_spi>;
 
diff --git a/target/linux/ath79/dts/ar9344_tplink_cpe.dtsi b/target/linux/ath79/dts/ar9344_tplink_cpe.dtsi
index 4e9401e60b0..39d4bd6ea93 100644
--- a/target/linux/ath79/dts/ar9344_tplink_cpe.dtsi
+++ b/target/linux/ath79/dts/ar9344_tplink_cpe.dtsi
@@ -32,8 +32,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9344_tplink_tl-wdrxxxx.dtsi b/target/linux/ath79/dts/ar9344_tplink_tl-wdrxxxx.dtsi
index e7430988add..ea7dfeac93d 100644
--- a/target/linux/ath79/dts/ar9344_tplink_tl-wdrxxxx.dtsi
+++ b/target/linux/ath79/dts/ar9344_tplink_tl-wdrxxxx.dtsi
@@ -73,8 +73,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9344_ubnt_unifi-ap-pro.dts b/target/linux/ath79/dts/ar9344_ubnt_unifi-ap-pro.dts
index da3b0c63aa4..8c62272897d 100644
--- a/target/linux/ath79/dts/ar9344_ubnt_unifi-ap-pro.dts
+++ b/target/linux/ath79/dts/ar9344_ubnt_unifi-ap-pro.dts
@@ -53,8 +53,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9344_wd_mynet-n750.dts b/target/linux/ath79/dts/ar9344_wd_mynet-n750.dts
index c440d717211..992bbf6bc10 100644
--- a/target/linux/ath79/dts/ar9344_wd_mynet-n750.dts
+++ b/target/linux/ath79/dts/ar9344_wd_mynet-n750.dts
@@ -86,8 +86,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9344_wd_mynet-wifi-rangeextender.dts b/target/linux/ath79/dts/ar9344_wd_mynet-wifi-rangeextender.dts
index 6bacee4b4df..d04d517b195 100644
--- a/target/linux/ath79/dts/ar9344_wd_mynet-wifi-rangeextender.dts
+++ b/target/linux/ath79/dts/ar9344_wd_mynet-wifi-rangeextender.dts
@@ -88,8 +88,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = /* "s25fl064k", */ "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/ar9344_winchannel_wb2000.dts b/target/linux/ath79/dts/ar9344_winchannel_wb2000.dts
index cd2e389ccd3..68d3d6a8819 100644
--- a/target/linux/ath79/dts/ar9344_winchannel_wb2000.dts
+++ b/target/linux/ath79/dts/ar9344_winchannel_wb2000.dts
@@ -87,8 +87,6 @@
 };
 
 &spi {
-	num-cs = <1>;
-
 	status = "okay";
 
 	flash@0 {
diff --git a/target/linux/ath79/dts/qca9531_8dev_lima.dts b/target/linux/ath79/dts/qca9531_8dev_lima.dts
index d13ae66a1cf..1adfe15b5f1 100644
--- a/target/linux/ath79/dts/qca9531_8dev_lima.dts
+++ b/target/linux/ath79/dts/qca9531_8dev_lima.dts
@@ -45,8 +45,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	/* Winbond W25Q256 SPI flash */
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9531_alfa-network_r36a.dtsi b/target/linux/ath79/dts/qca9531_alfa-network_r36a.dtsi
index 697b20e9996..f0d3e0b6178 100644
--- a/target/linux/ath79/dts/qca9531_alfa-network_r36a.dtsi
+++ b/target/linux/ath79/dts/qca9531_alfa-network_r36a.dtsi
@@ -60,8 +60,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9531_comfast_cf-e130n-v2.dts b/target/linux/ath79/dts/qca9531_comfast_cf-e130n-v2.dts
index 749acedcdae..c3097bf93b2 100644
--- a/target/linux/ath79/dts/qca9531_comfast_cf-e130n-v2.dts
+++ b/target/linux/ath79/dts/qca9531_comfast_cf-e130n-v2.dts
@@ -74,8 +74,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9531_comfast_cf-e313ac.dts b/target/linux/ath79/dts/qca9531_comfast_cf-e313ac.dts
index 7e2ff5d0ee3..ac387040bfc 100644
--- a/target/linux/ath79/dts/qca9531_comfast_cf-e313ac.dts
+++ b/target/linux/ath79/dts/qca9531_comfast_cf-e313ac.dts
@@ -72,7 +72,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9531_comfast_cf-e314n-v2.dts b/target/linux/ath79/dts/qca9531_comfast_cf-e314n-v2.dts
index 723c9eda13f..842ed970a61 100644
--- a/target/linux/ath79/dts/qca9531_comfast_cf-e314n-v2.dts
+++ b/target/linux/ath79/dts/qca9531_comfast_cf-e314n-v2.dts
@@ -87,7 +87,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9531_comfast_cf-e5.dts b/target/linux/ath79/dts/qca9531_comfast_cf-e5.dts
index 5c69a9bde00..45416089b7b 100644
--- a/target/linux/ath79/dts/qca9531_comfast_cf-e5.dts
+++ b/target/linux/ath79/dts/qca9531_comfast_cf-e5.dts
@@ -82,7 +82,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9531_comfast_cf-e560ac.dts b/target/linux/ath79/dts/qca9531_comfast_cf-e560ac.dts
index 46b08da838c..50650698631 100644
--- a/target/linux/ath79/dts/qca9531_comfast_cf-e560ac.dts
+++ b/target/linux/ath79/dts/qca9531_comfast_cf-e560ac.dts
@@ -83,8 +83,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9531_comfast_cf-ew72.dts b/target/linux/ath79/dts/qca9531_comfast_cf-ew72.dts
index f52467c4e2e..7114df5cbce 100644
--- a/target/linux/ath79/dts/qca9531_comfast_cf-ew72.dts
+++ b/target/linux/ath79/dts/qca9531_comfast_cf-ew72.dts
@@ -67,8 +67,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "winbond,w25q128", "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9531_comfast_cf-wr752ac-v1.dts b/target/linux/ath79/dts/qca9531_comfast_cf-wr752ac-v1.dts
index 2fbdc8fd077..d57c9438105 100644
--- a/target/linux/ath79/dts/qca9531_comfast_cf-wr752ac-v1.dts
+++ b/target/linux/ath79/dts/qca9531_comfast_cf-wr752ac-v1.dts
@@ -67,8 +67,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9531_dlink_dch-g020-a1.dts b/target/linux/ath79/dts/qca9531_dlink_dch-g020-a1.dts
index dafce16a2ac..9f9dd44812a 100644
--- a/target/linux/ath79/dts/qca9531_dlink_dch-g020-a1.dts
+++ b/target/linux/ath79/dts/qca9531_dlink_dch-g020-a1.dts
@@ -90,8 +90,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9531_engenius_ews511ap.dts b/target/linux/ath79/dts/qca9531_engenius_ews511ap.dts
index eb91d7e0b4d..736ebf2dd34 100644
--- a/target/linux/ath79/dts/qca9531_engenius_ews511ap.dts
+++ b/target/linux/ath79/dts/qca9531_engenius_ews511ap.dts
@@ -91,8 +91,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <0>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9531_glinet_gl-ar300m.dtsi b/target/linux/ath79/dts/qca9531_glinet_gl-ar300m.dtsi
index 86c895fc6a2..6422dc60f54 100644
--- a/target/linux/ath79/dts/qca9531_glinet_gl-ar300m.dtsi
+++ b/target/linux/ath79/dts/qca9531_glinet_gl-ar300m.dtsi
@@ -74,8 +74,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <2>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9531_glinet_gl-ar750.dts b/target/linux/ath79/dts/qca9531_glinet_gl-ar750.dts
index 57a7ed1a0c7..f3d62b36a87 100644
--- a/target/linux/ath79/dts/qca9531_glinet_gl-ar750.dts
+++ b/target/linux/ath79/dts/qca9531_glinet_gl-ar750.dts
@@ -90,7 +90,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <0>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9531_glinet_gl-e750.dts b/target/linux/ath79/dts/qca9531_glinet_gl-e750.dts
index b463be0ec45..de7d5f577a1 100644
--- a/target/linux/ath79/dts/qca9531_glinet_gl-e750.dts
+++ b/target/linux/ath79/dts/qca9531_glinet_gl-e750.dts
@@ -61,7 +61,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <2>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9531_glinet_gl-x750.dts b/target/linux/ath79/dts/qca9531_glinet_gl-x750.dts
index acb458f7ecc..f32cb6e39a0 100644
--- a/target/linux/ath79/dts/qca9531_glinet_gl-x750.dts
+++ b/target/linux/ath79/dts/qca9531_glinet_gl-x750.dts
@@ -80,7 +80,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <0>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9531_telco_t1.dts b/target/linux/ath79/dts/qca9531_telco_t1.dts
index 455bfb336fe..252d9073c89 100644
--- a/target/linux/ath79/dts/qca9531_telco_t1.dts
+++ b/target/linux/ath79/dts/qca9531_telco_t1.dts
@@ -79,7 +79,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9531_tplink_tl-mr3420-v3.dts b/target/linux/ath79/dts/qca9531_tplink_tl-mr3420-v3.dts
index 2f6c4147c9a..d163a73228f 100644
--- a/target/linux/ath79/dts/qca9531_tplink_tl-mr3420-v3.dts
+++ b/target/linux/ath79/dts/qca9531_tplink_tl-mr3420-v3.dts
@@ -139,8 +139,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9531_tplink_tl-mr6400-v1.dts b/target/linux/ath79/dts/qca9531_tplink_tl-mr6400-v1.dts
index bd3858e59a0..751a69154fb 100644
--- a/target/linux/ath79/dts/qca9531_tplink_tl-mr6400-v1.dts
+++ b/target/linux/ath79/dts/qca9531_tplink_tl-mr6400-v1.dts
@@ -96,8 +96,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9531_wallys_dr531.dts b/target/linux/ath79/dts/qca9531_wallys_dr531.dts
index 777a55b6f3c..2375a054cea 100644
--- a/target/linux/ath79/dts/qca9531_wallys_dr531.dts
+++ b/target/linux/ath79/dts/qca9531_wallys_dr531.dts
@@ -94,8 +94,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9531_yuncore_a770.dts b/target/linux/ath79/dts/qca9531_yuncore_a770.dts
index aaa9e1f908e..a6738c7d9aa 100644
--- a/target/linux/ath79/dts/qca9531_yuncore_a770.dts
+++ b/target/linux/ath79/dts/qca9531_yuncore_a770.dts
@@ -57,8 +57,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9533_comfast_cf-e110n-v2.dts b/target/linux/ath79/dts/qca9533_comfast_cf-e110n-v2.dts
index 961caa8ade5..c4918205fd5 100644
--- a/target/linux/ath79/dts/qca9533_comfast_cf-e110n-v2.dts
+++ b/target/linux/ath79/dts/qca9533_comfast_cf-e110n-v2.dts
@@ -92,8 +92,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "winbond,w25q128", "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9533_dlink_dap-13xx.dtsi b/target/linux/ath79/dts/qca9533_dlink_dap-13xx.dtsi
index 50020799408..cd095c1559c 100644
--- a/target/linux/ath79/dts/qca9533_dlink_dap-13xx.dtsi
+++ b/target/linux/ath79/dts/qca9533_dlink_dap-13xx.dtsi
@@ -67,8 +67,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9533_mikrotik_routerboard-16m.dtsi b/target/linux/ath79/dts/qca9533_mikrotik_routerboard-16m.dtsi
index 539c07c322e..effa2d36194 100644
--- a/target/linux/ath79/dts/qca9533_mikrotik_routerboard-16m.dtsi
+++ b/target/linux/ath79/dts/qca9533_mikrotik_routerboard-16m.dtsi
@@ -21,8 +21,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9533_tplink_cpexxx.dtsi b/target/linux/ath79/dts/qca9533_tplink_cpexxx.dtsi
index 7c64dcc24fb..f663a1fcd71 100644
--- a/target/linux/ath79/dts/qca9533_tplink_cpexxx.dtsi
+++ b/target/linux/ath79/dts/qca9533_tplink_cpexxx.dtsi
@@ -56,8 +56,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		#address-cells = <1>;
 		#size-cells = <1>;
diff --git a/target/linux/ath79/dts/qca9533_tplink_tl-wa801nd.dtsi b/target/linux/ath79/dts/qca9533_tplink_tl-wa801nd.dtsi
index c45280aff07..28e74d5cedd 100644
--- a/target/linux/ath79/dts/qca9533_tplink_tl-wa801nd.dtsi
+++ b/target/linux/ath79/dts/qca9533_tplink_tl-wa801nd.dtsi
@@ -70,8 +70,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9533_tplink_tl-wa850re-v2.dts b/target/linux/ath79/dts/qca9533_tplink_tl-wa850re-v2.dts
index 7d8519ef9be..e723587a0b9 100644
--- a/target/linux/ath79/dts/qca9533_tplink_tl-wa850re-v2.dts
+++ b/target/linux/ath79/dts/qca9533_tplink_tl-wa850re-v2.dts
@@ -98,8 +98,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		#address-cells = <1>;
 		#size-cells = <1>;
diff --git a/target/linux/ath79/dts/qca9533_tplink_tl-wr802n.dtsi b/target/linux/ath79/dts/qca9533_tplink_tl-wr802n.dtsi
index b6349e53718..26edbb2cd06 100644
--- a/target/linux/ath79/dts/qca9533_tplink_tl-wr802n.dtsi
+++ b/target/linux/ath79/dts/qca9533_tplink_tl-wr802n.dtsi
@@ -41,8 +41,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9533_tplink_tl-wr841.dtsi b/target/linux/ath79/dts/qca9533_tplink_tl-wr841.dtsi
index b68cd87e98e..842815d6838 100644
--- a/target/linux/ath79/dts/qca9533_tplink_tl-wr841.dtsi
+++ b/target/linux/ath79/dts/qca9533_tplink_tl-wr841.dtsi
@@ -76,8 +76,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9533_tplink_tl-wr842n-v3.dts b/target/linux/ath79/dts/qca9533_tplink_tl-wr842n-v3.dts
index 269ca036454..f0b42a6e4c4 100644
--- a/target/linux/ath79/dts/qca9533_tplink_tl-wr842n-v3.dts
+++ b/target/linux/ath79/dts/qca9533_tplink_tl-wr842n-v3.dts
@@ -116,8 +116,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9533_ubnt_aircube-isp.dts b/target/linux/ath79/dts/qca9533_ubnt_aircube-isp.dts
index b74b0756fe9..8b9469ebc06 100644
--- a/target/linux/ath79/dts/qca9533_ubnt_aircube-isp.dts
+++ b/target/linux/ath79/dts/qca9533_ubnt_aircube-isp.dts
@@ -27,7 +27,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca953x_tplink_tl-wr810n.dtsi b/target/linux/ath79/dts/qca953x_tplink_tl-wr810n.dtsi
index 091d6696a38..53e5fe9bcc9 100644
--- a/target/linux/ath79/dts/qca953x_tplink_tl-wr810n.dtsi
+++ b/target/linux/ath79/dts/qca953x_tplink_tl-wr810n.dtsi
@@ -58,8 +58,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9556_avm_fritz-repeater.dtsi b/target/linux/ath79/dts/qca9556_avm_fritz-repeater.dtsi
index 400f8eb9745..befb9334836 100644
--- a/target/linux/ath79/dts/qca9556_avm_fritz-repeater.dtsi
+++ b/target/linux/ath79/dts/qca9556_avm_fritz-repeater.dtsi
@@ -23,7 +23,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9556_mikrotik_routerboard-wap-g-5hact2hnd.dts b/target/linux/ath79/dts/qca9556_mikrotik_routerboard-wap-g-5hact2hnd.dts
index 572dc022051..a3f9ec28a47 100644
--- a/target/linux/ath79/dts/qca9556_mikrotik_routerboard-wap-g-5hact2hnd.dts
+++ b/target/linux/ath79/dts/qca9556_mikrotik_routerboard-wap-g-5hact2hnd.dts
@@ -60,8 +60,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9557_buffalo_bhr-4grv2.dts b/target/linux/ath79/dts/qca9557_buffalo_bhr-4grv2.dts
index 33053771ad7..8d437a67920 100644
--- a/target/linux/ath79/dts/qca9557_buffalo_bhr-4grv2.dts
+++ b/target/linux/ath79/dts/qca9557_buffalo_bhr-4grv2.dts
@@ -64,8 +64,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9557_iodata_wn-ac-dgr.dtsi b/target/linux/ath79/dts/qca9557_iodata_wn-ac-dgr.dtsi
index f19e186796d..2f6bf4dbeef 100644
--- a/target/linux/ath79/dts/qca9557_iodata_wn-ac-dgr.dtsi
+++ b/target/linux/ath79/dts/qca9557_iodata_wn-ac-dgr.dtsi
@@ -90,8 +90,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9557_zyxel_nbg6616.dts b/target/linux/ath79/dts/qca9557_zyxel_nbg6616.dts
index d56fab120bf..fff23dcf2ba 100644
--- a/target/linux/ath79/dts/qca9557_zyxel_nbg6616.dts
+++ b/target/linux/ath79/dts/qca9557_zyxel_nbg6616.dts
@@ -61,8 +61,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9558_allnet_all-wap02860ac.dts b/target/linux/ath79/dts/qca9558_allnet_all-wap02860ac.dts
index 1cca39de380..aee8bbff56a 100644
--- a/target/linux/ath79/dts/qca9558_allnet_all-wap02860ac.dts
+++ b/target/linux/ath79/dts/qca9558_allnet_all-wap02860ac.dts
@@ -91,8 +91,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9558_comfast_cf-wr650ac-v1.dts b/target/linux/ath79/dts/qca9558_comfast_cf-wr650ac-v1.dts
index 240d20ff1f9..639c8771773 100644
--- a/target/linux/ath79/dts/qca9558_comfast_cf-wr650ac-v1.dts
+++ b/target/linux/ath79/dts/qca9558_comfast_cf-wr650ac-v1.dts
@@ -9,7 +9,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9558_comfast_cf-wr650ac-v2.dts b/target/linux/ath79/dts/qca9558_comfast_cf-wr650ac-v2.dts
index 1b20c3b6159..5dda5f18695 100644
--- a/target/linux/ath79/dts/qca9558_comfast_cf-wr650ac-v2.dts
+++ b/target/linux/ath79/dts/qca9558_comfast_cf-wr650ac-v2.dts
@@ -9,7 +9,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9558_devolo_dvl1xxx.dtsi b/target/linux/ath79/dts/qca9558_devolo_dvl1xxx.dtsi
index f41d8985a23..a1b019a7ad5 100644
--- a/target/linux/ath79/dts/qca9558_devolo_dvl1xxx.dtsi
+++ b/target/linux/ath79/dts/qca9558_devolo_dvl1xxx.dtsi
@@ -47,8 +47,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9558_dlink_dap-2695-a1.dts b/target/linux/ath79/dts/qca9558_dlink_dap-2695-a1.dts
index f0cf22511a3..b8429fed45d 100644
--- a/target/linux/ath79/dts/qca9558_dlink_dap-2695-a1.dts
+++ b/target/linux/ath79/dts/qca9558_dlink_dap-2695-a1.dts
@@ -50,7 +50,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		#address-cells = <1>;
diff --git a/target/linux/ath79/dts/qca9558_domywifi_dw33d.dts b/target/linux/ath79/dts/qca9558_domywifi_dw33d.dts
index 4af1860acab..fae08539221 100644
--- a/target/linux/ath79/dts/qca9558_domywifi_dw33d.dts
+++ b/target/linux/ath79/dts/qca9558_domywifi_dw33d.dts
@@ -108,8 +108,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9558_engenius_ecb1750.dts b/target/linux/ath79/dts/qca9558_engenius_ecb1750.dts
index 5e38f2e4594..9f2c9c048ba 100644
--- a/target/linux/ath79/dts/qca9558_engenius_ecb1750.dts
+++ b/target/linux/ath79/dts/qca9558_engenius_ecb1750.dts
@@ -65,8 +65,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9558_engenius_epg5000.dts b/target/linux/ath79/dts/qca9558_engenius_epg5000.dts
index 9d37664306b..5e4d224d3e7 100644
--- a/target/linux/ath79/dts/qca9558_engenius_epg5000.dts
+++ b/target/linux/ath79/dts/qca9558_engenius_epg5000.dts
@@ -99,8 +99,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9558_librerouter_librerouter-v1.dts b/target/linux/ath79/dts/qca9558_librerouter_librerouter-v1.dts
index c4a73f25638..57886230255 100644
--- a/target/linux/ath79/dts/qca9558_librerouter_librerouter-v1.dts
+++ b/target/linux/ath79/dts/qca9558_librerouter_librerouter-v1.dts
@@ -102,8 +102,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9558_netgear_ex7300.dtsi b/target/linux/ath79/dts/qca9558_netgear_ex7300.dtsi
index 04abb8717ec..40a4ead19d3 100644
--- a/target/linux/ath79/dts/qca9558_netgear_ex7300.dtsi
+++ b/target/linux/ath79/dts/qca9558_netgear_ex7300.dtsi
@@ -131,8 +131,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9558_ocedo_koala.dts b/target/linux/ath79/dts/qca9558_ocedo_koala.dts
index dbefa40dcf3..a3a3cc3e31f 100644
--- a/target/linux/ath79/dts/qca9558_ocedo_koala.dts
+++ b/target/linux/ath79/dts/qca9558_ocedo_koala.dts
@@ -69,7 +69,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9558_ocedo_ursus.dts b/target/linux/ath79/dts/qca9558_ocedo_ursus.dts
index 8c7a7af91bd..79ed751d66e 100644
--- a/target/linux/ath79/dts/qca9558_ocedo_ursus.dts
+++ b/target/linux/ath79/dts/qca9558_ocedo_ursus.dts
@@ -40,7 +40,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9558_openmesh_om5p-ac-v2.dts b/target/linux/ath79/dts/qca9558_openmesh_om5p-ac-v2.dts
index eb196eb2e5c..fabfe14cf85 100644
--- a/target/linux/ath79/dts/qca9558_openmesh_om5p-ac-v2.dts
+++ b/target/linux/ath79/dts/qca9558_openmesh_om5p-ac-v2.dts
@@ -91,7 +91,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9558_qxwlan_e558.dtsi b/target/linux/ath79/dts/qca9558_qxwlan_e558.dtsi
index 99f37ac025c..aa4bd75f2fa 100644
--- a/target/linux/ath79/dts/qca9558_qxwlan_e558.dtsi
+++ b/target/linux/ath79/dts/qca9558_qxwlan_e558.dtsi
@@ -62,7 +62,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9558_sitecom_wlr-8100.dts b/target/linux/ath79/dts/qca9558_sitecom_wlr-8100.dts
index 412a6e7b334..ccc08c39f16 100644
--- a/target/linux/ath79/dts/qca9558_sitecom_wlr-8100.dts
+++ b/target/linux/ath79/dts/qca9558_sitecom_wlr-8100.dts
@@ -63,8 +63,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9558_tplink_archer-c.dtsi b/target/linux/ath79/dts/qca9558_tplink_archer-c.dtsi
index d59d87b5e61..87dbdd0a5f5 100644
--- a/target/linux/ath79/dts/qca9558_tplink_archer-c.dtsi
+++ b/target/linux/ath79/dts/qca9558_tplink_archer-c.dtsi
@@ -118,8 +118,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9558_tplink_archer-d7-v1.dts b/target/linux/ath79/dts/qca9558_tplink_archer-d7-v1.dts
index 689e478e19f..fd1717b6688 100644
--- a/target/linux/ath79/dts/qca9558_tplink_archer-d7-v1.dts
+++ b/target/linux/ath79/dts/qca9558_tplink_archer-d7-v1.dts
@@ -14,8 +14,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9558_tplink_archer-d7b-v1.dts b/target/linux/ath79/dts/qca9558_tplink_archer-d7b-v1.dts
index 2273298226f..d2ef7e82a7f 100644
--- a/target/linux/ath79/dts/qca9558_tplink_archer-d7b-v1.dts
+++ b/target/linux/ath79/dts/qca9558_tplink_archer-d7b-v1.dts
@@ -14,8 +14,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9558_tplink_re350k-v1.dts b/target/linux/ath79/dts/qca9558_tplink_re350k-v1.dts
index 11ebbdaceac..b0a3293d4f8 100644
--- a/target/linux/ath79/dts/qca9558_tplink_re350k-v1.dts
+++ b/target/linux/ath79/dts/qca9558_tplink_re350k-v1.dts
@@ -119,8 +119,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9558_tplink_rex5x.dtsi b/target/linux/ath79/dts/qca9558_tplink_rex5x.dtsi
index 55f4edf19e8..225af82c938 100644
--- a/target/linux/ath79/dts/qca9558_tplink_rex5x.dtsi
+++ b/target/linux/ath79/dts/qca9558_tplink_rex5x.dtsi
@@ -106,7 +106,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9558_tplink_tl-wdr4900-v2.dts b/target/linux/ath79/dts/qca9558_tplink_tl-wdr4900-v2.dts
index 9f241ebc2fb..8f525d57bc4 100644
--- a/target/linux/ath79/dts/qca9558_tplink_tl-wdr4900-v2.dts
+++ b/target/linux/ath79/dts/qca9558_tplink_tl-wdr4900-v2.dts
@@ -141,8 +141,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9558_tplink_tl-wr1043nd.dtsi b/target/linux/ath79/dts/qca9558_tplink_tl-wr1043nd.dtsi
index 476162a00e9..66059b890b3 100644
--- a/target/linux/ath79/dts/qca9558_tplink_tl-wr1043nd.dtsi
+++ b/target/linux/ath79/dts/qca9558_tplink_tl-wr1043nd.dtsi
@@ -93,7 +93,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9558_tplink_tl-wr941n-v7-cn.dts b/target/linux/ath79/dts/qca9558_tplink_tl-wr941n-v7-cn.dts
index bbbf69fa592..bb1993516ee 100644
--- a/target/linux/ath79/dts/qca9558_tplink_tl-wr941n-v7-cn.dts
+++ b/target/linux/ath79/dts/qca9558_tplink_tl-wr941n-v7-cn.dts
@@ -63,7 +63,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9558_trendnet_tew-823dru.dts b/target/linux/ath79/dts/qca9558_trendnet_tew-823dru.dts
index 871b69af784..e3f3643b37f 100644
--- a/target/linux/ath79/dts/qca9558_trendnet_tew-823dru.dts
+++ b/target/linux/ath79/dts/qca9558_trendnet_tew-823dru.dts
@@ -104,8 +104,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9558_zyxel_nbg6716.dts b/target/linux/ath79/dts/qca9558_zyxel_nbg6716.dts
index 94991a8f49d..9aee8c362cd 100644
--- a/target/linux/ath79/dts/qca9558_zyxel_nbg6716.dts
+++ b/target/linux/ath79/dts/qca9558_zyxel_nbg6716.dts
@@ -82,8 +82,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca955x_ubnt_xc.dtsi b/target/linux/ath79/dts/qca955x_ubnt_xc.dtsi
index 569ba3a7207..7e022e46a17 100644
--- a/target/linux/ath79/dts/qca955x_ubnt_xc.dtsi
+++ b/target/linux/ath79/dts/qca955x_ubnt_xc.dtsi
@@ -15,7 +15,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9561_avm_fritz4020.dts b/target/linux/ath79/dts/qca9561_avm_fritz4020.dts
index e7e421c0760..13e6eb1673f 100644
--- a/target/linux/ath79/dts/qca9561_avm_fritz4020.dts
+++ b/target/linux/ath79/dts/qca9561_avm_fritz4020.dts
@@ -102,8 +102,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9561_tplink_archer-c25-v1.dts b/target/linux/ath79/dts/qca9561_tplink_archer-c25-v1.dts
index 6659bbe6882..87762990801 100644
--- a/target/linux/ath79/dts/qca9561_tplink_archer-c25-v1.dts
+++ b/target/linux/ath79/dts/qca9561_tplink_archer-c25-v1.dts
@@ -114,8 +114,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9561_tplink_archer-c58-v1.dts b/target/linux/ath79/dts/qca9561_tplink_archer-c58-v1.dts
index 464bc40b444..ea86b8f35ee 100644
--- a/target/linux/ath79/dts/qca9561_tplink_archer-c58-v1.dts
+++ b/target/linux/ath79/dts/qca9561_tplink_archer-c58-v1.dts
@@ -9,7 +9,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9561_tplink_archer-c59-v1.dts b/target/linux/ath79/dts/qca9561_tplink_archer-c59-v1.dts
index 4430d05247e..07e8379172e 100644
--- a/target/linux/ath79/dts/qca9561_tplink_archer-c59-v1.dts
+++ b/target/linux/ath79/dts/qca9561_tplink_archer-c59-v1.dts
@@ -33,7 +33,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9561_tplink_archer-c59-v2.dts b/target/linux/ath79/dts/qca9561_tplink_archer-c59-v2.dts
index c407dc3cde1..c1321f5d20e 100644
--- a/target/linux/ath79/dts/qca9561_tplink_archer-c59-v2.dts
+++ b/target/linux/ath79/dts/qca9561_tplink_archer-c59-v2.dts
@@ -33,7 +33,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9561_tplink_archer-c60-v1.dts b/target/linux/ath79/dts/qca9561_tplink_archer-c60-v1.dts
index 2a6bea30f2b..a3bbf3e49c4 100644
--- a/target/linux/ath79/dts/qca9561_tplink_archer-c60-v1.dts
+++ b/target/linux/ath79/dts/qca9561_tplink_archer-c60-v1.dts
@@ -21,7 +21,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9561_tplink_archer-c60-v2.dts b/target/linux/ath79/dts/qca9561_tplink_archer-c60-v2.dts
index afef276db2e..2bcab77dbf9 100644
--- a/target/linux/ath79/dts/qca9561_tplink_archer-c60-v2.dts
+++ b/target/linux/ath79/dts/qca9561_tplink_archer-c60-v2.dts
@@ -21,7 +21,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9561_tplink_archer-c60-v3.dts b/target/linux/ath79/dts/qca9561_tplink_archer-c60-v3.dts
index cda2a3615be..c1a0a8c2e5d 100644
--- a/target/linux/ath79/dts/qca9561_tplink_archer-c60-v3.dts
+++ b/target/linux/ath79/dts/qca9561_tplink_archer-c60-v3.dts
@@ -16,8 +16,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9561_tplink_eap225-wall-v2.dts b/target/linux/ath79/dts/qca9561_tplink_eap225-wall-v2.dts
index 21203451cb0..4dea09f4299 100644
--- a/target/linux/ath79/dts/qca9561_tplink_eap225-wall-v2.dts
+++ b/target/linux/ath79/dts/qca9561_tplink_eap225-wall-v2.dts
@@ -66,7 +66,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9561_xiaomi_mi-router-4q.dts b/target/linux/ath79/dts/qca9561_xiaomi_mi-router-4q.dts
index a403877c894..22bd8c941d8 100644
--- a/target/linux/ath79/dts/qca9561_xiaomi_mi-router-4q.dts
+++ b/target/linux/ath79/dts/qca9561_xiaomi_mi-router-4q.dts
@@ -58,7 +58,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9563_compex_wpj563.dts b/target/linux/ath79/dts/qca9563_compex_wpj563.dts
index 913155a0bde..74b6da9468a 100644
--- a/target/linux/ath79/dts/qca9563_compex_wpj563.dts
+++ b/target/linux/ath79/dts/qca9563_compex_wpj563.dts
@@ -65,8 +65,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9563_dlink_dir-842-c.dtsi b/target/linux/ath79/dts/qca9563_dlink_dir-842-c.dtsi
index 02a3e3e44a3..3b45681bc07 100644
--- a/target/linux/ath79/dts/qca9563_dlink_dir-842-c.dtsi
+++ b/target/linux/ath79/dts/qca9563_dlink_dir-842-c.dtsi
@@ -61,8 +61,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9563_dlink_dir-859-a1.dts b/target/linux/ath79/dts/qca9563_dlink_dir-859-a1.dts
index 572a0bc6eae..49805ec3190 100644
--- a/target/linux/ath79/dts/qca9563_dlink_dir-859-a1.dts
+++ b/target/linux/ath79/dts/qca9563_dlink_dir-859-a1.dts
@@ -80,8 +80,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9563_elecom_wrc-ghbk2-i.dtsi b/target/linux/ath79/dts/qca9563_elecom_wrc-ghbk2-i.dtsi
index 7efdfa62af0..90d91a6d8e3 100644
--- a/target/linux/ath79/dts/qca9563_elecom_wrc-ghbk2-i.dtsi
+++ b/target/linux/ath79/dts/qca9563_elecom_wrc-ghbk2-i.dtsi
@@ -51,7 +51,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9563_glinet_gl-ar750s.dtsi b/target/linux/ath79/dts/qca9563_glinet_gl-ar750s.dtsi
index 24b0860d7c3..75103afdd7b 100644
--- a/target/linux/ath79/dts/qca9563_glinet_gl-ar750s.dtsi
+++ b/target/linux/ath79/dts/qca9563_glinet_gl-ar750s.dtsi
@@ -70,8 +70,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <2>;
-
 	flash_nor: flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9563_nec_wg1200cr.dts b/target/linux/ath79/dts/qca9563_nec_wg1200cr.dts
index 0f77cfa5f1a..a224ddbd5f5 100644
--- a/target/linux/ath79/dts/qca9563_nec_wg1200cr.dts
+++ b/target/linux/ath79/dts/qca9563_nec_wg1200cr.dts
@@ -70,8 +70,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9563_nec_wg800hp.dts b/target/linux/ath79/dts/qca9563_nec_wg800hp.dts
index befd1620e90..8a4226f35cf 100644
--- a/target/linux/ath79/dts/qca9563_nec_wg800hp.dts
+++ b/target/linux/ath79/dts/qca9563_nec_wg800hp.dts
@@ -94,7 +94,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9563_netgear_wndr.dtsi b/target/linux/ath79/dts/qca9563_netgear_wndr.dtsi
index ca29336147d..e77298bbd9f 100644
--- a/target/linux/ath79/dts/qca9563_netgear_wndr.dtsi
+++ b/target/linux/ath79/dts/qca9563_netgear_wndr.dtsi
@@ -95,8 +95,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <2>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9563_phicomm_k2t.dts b/target/linux/ath79/dts/qca9563_phicomm_k2t.dts
index e89a4de1ee0..b86289a3aba 100644
--- a/target/linux/ath79/dts/qca9563_phicomm_k2t.dts
+++ b/target/linux/ath79/dts/qca9563_phicomm_k2t.dts
@@ -55,8 +55,6 @@
 };
 
 &spi {
-	num-cs = <1>;
-
 	status = "okay";
 
 	flash@0 {
diff --git a/target/linux/ath79/dts/qca9563_qxwlan_e1700ac.dtsi b/target/linux/ath79/dts/qca9563_qxwlan_e1700ac.dtsi
index 0c397e7dd91..33d0095da4f 100644
--- a/target/linux/ath79/dts/qca9563_qxwlan_e1700ac.dtsi
+++ b/target/linux/ath79/dts/qca9563_qxwlan_e1700ac.dtsi
@@ -56,8 +56,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9563_rosinson_wr818.dts b/target/linux/ath79/dts/qca9563_rosinson_wr818.dts
index ce73d0838fd..512d36bbe04 100644
--- a/target/linux/ath79/dts/qca9563_rosinson_wr818.dts
+++ b/target/linux/ath79/dts/qca9563_rosinson_wr818.dts
@@ -50,8 +50,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9563_tplink_archer-c2-v3.dts b/target/linux/ath79/dts/qca9563_tplink_archer-c2-v3.dts
index 95ac123f485..6e7bd9986a7 100644
--- a/target/linux/ath79/dts/qca9563_tplink_archer-c2-v3.dts
+++ b/target/linux/ath79/dts/qca9563_tplink_archer-c2-v3.dts
@@ -99,8 +99,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9563_tplink_archer-c6-v2-us.dts b/target/linux/ath79/dts/qca9563_tplink_archer-c6-v2-us.dts
index 399f4106122..892e87ebaf5 100644
--- a/target/linux/ath79/dts/qca9563_tplink_archer-c6-v2-us.dts
+++ b/target/linux/ath79/dts/qca9563_tplink_archer-c6-v2-us.dts
@@ -77,8 +77,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9563_tplink_archer-c6-v2.dts b/target/linux/ath79/dts/qca9563_tplink_archer-c6-v2.dts
index d00320ad026..c64402bcfe5 100644
--- a/target/linux/ath79/dts/qca9563_tplink_archer-c6-v2.dts
+++ b/target/linux/ath79/dts/qca9563_tplink_archer-c6-v2.dts
@@ -77,8 +77,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9563_tplink_archer-c7-v4.dts b/target/linux/ath79/dts/qca9563_tplink_archer-c7-v4.dts
index 77ba6c4ffbe..e0d03e16405 100644
--- a/target/linux/ath79/dts/qca9563_tplink_archer-c7-v4.dts
+++ b/target/linux/ath79/dts/qca9563_tplink_archer-c7-v4.dts
@@ -184,8 +184,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9563_tplink_archer-x7-v5.dtsi b/target/linux/ath79/dts/qca9563_tplink_archer-x7-v5.dtsi
index 63c9977c6c9..c13bafce0bc 100644
--- a/target/linux/ath79/dts/qca9563_tplink_archer-x7-v5.dtsi
+++ b/target/linux/ath79/dts/qca9563_tplink_archer-x7-v5.dtsi
@@ -126,8 +126,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9563_tplink_eap245-v3.dts b/target/linux/ath79/dts/qca9563_tplink_eap245-v3.dts
index 184c208f585..fdb3d8cdc11 100644
--- a/target/linux/ath79/dts/qca9563_tplink_eap245-v3.dts
+++ b/target/linux/ath79/dts/qca9563_tplink_eap245-v3.dts
@@ -54,7 +54,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9563_tplink_eap2x5-1port.dtsi b/target/linux/ath79/dts/qca9563_tplink_eap2x5-1port.dtsi
index 4c550fff6e2..0be46301f0a 100644
--- a/target/linux/ath79/dts/qca9563_tplink_eap2x5-1port.dtsi
+++ b/target/linux/ath79/dts/qca9563_tplink_eap2x5-1port.dtsi
@@ -32,7 +32,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9563_tplink_re450.dtsi b/target/linux/ath79/dts/qca9563_tplink_re450.dtsi
index 85b9cf6a10c..e09c1ba63ff 100644
--- a/target/linux/ath79/dts/qca9563_tplink_re450.dtsi
+++ b/target/linux/ath79/dts/qca9563_tplink_re450.dtsi
@@ -115,8 +115,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9563_tplink_tl-wpa8630.dtsi b/target/linux/ath79/dts/qca9563_tplink_tl-wpa8630.dtsi
index 0ce1da832c4..1503bf4c8e5 100644
--- a/target/linux/ath79/dts/qca9563_tplink_tl-wpa8630.dtsi
+++ b/target/linux/ath79/dts/qca9563_tplink_tl-wpa8630.dtsi
@@ -85,8 +85,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9563_tplink_tl-wr1043n-v5.dts b/target/linux/ath79/dts/qca9563_tplink_tl-wr1043n-v5.dts
index 208a5ca88e6..cba124aa858 100644
--- a/target/linux/ath79/dts/qca9563_tplink_tl-wr1043n-v5.dts
+++ b/target/linux/ath79/dts/qca9563_tplink_tl-wr1043n-v5.dts
@@ -9,7 +9,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9563_tplink_tl-wr1043nd-v4.dts b/target/linux/ath79/dts/qca9563_tplink_tl-wr1043nd-v4.dts
index 2f2d59ebd3d..ddb986ffddb 100644
--- a/target/linux/ath79/dts/qca9563_tplink_tl-wr1043nd-v4.dts
+++ b/target/linux/ath79/dts/qca9563_tplink_tl-wr1043nd-v4.dts
@@ -21,8 +21,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/qca9563_ubnt_unifiac.dtsi b/target/linux/ath79/dts/qca9563_ubnt_unifiac.dtsi
index 7a5a957f7b6..14532d3b7f8 100644
--- a/target/linux/ath79/dts/qca9563_ubnt_unifiac.dtsi
+++ b/target/linux/ath79/dts/qca9563_ubnt_unifiac.dtsi
@@ -49,7 +49,6 @@
 
 &spi {
 	status = "okay";
-	num-cs = <1>;
 
 	flash@0 {
 		compatible = "jedec,spi-nor";
diff --git a/target/linux/ath79/dts/qca9563_yuncore_xd4200.dtsi b/target/linux/ath79/dts/qca9563_yuncore_xd4200.dtsi
index a14cf483409..f8fdf5e27db 100644
--- a/target/linux/ath79/dts/qca9563_yuncore_xd4200.dtsi
+++ b/target/linux/ath79/dts/qca9563_yuncore_xd4200.dtsi
@@ -64,8 +64,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
diff --git a/target/linux/ath79/dts/tp9343_tplink_tl-wx.dtsi b/target/linux/ath79/dts/tp9343_tplink_tl-wx.dtsi
index 30e2cb64394..3e591ec9082 100644
--- a/target/linux/ath79/dts/tp9343_tplink_tl-wx.dtsi
+++ b/target/linux/ath79/dts/tp9343_tplink_tl-wx.dtsi
@@ -14,8 +14,6 @@
 &spi {
 	status = "okay";
 
-	num-cs = <1>;
-
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;