dts: bindings: adc: ti: lmp90xxx: use common io-channel-cells naming

Use the common io-channel-cells name "input" instead of "positive" and
"negative" to make this binding work with the various ADC DT macros.

Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>

boards/shields/lmp90100_evb/lmp90100_evb.overlay

@@ -13,7 +13,7 @@
 		spi-max-frequency = <1000000>;
 		/* Uncomment to use IRQ instead of polling: */
 		/* drdyb-gpios = <&arduino_header 15 GPIO_ACTIVE_LOW>; */
-		#io-channel-cells = <2>;
+		#io-channel-cells = <1>;
 
 		lmp90100_gpio: gpio {
 			compatible = "ti,lmp90xxx-gpio";

dts/bindings/adc/ti,lmp90xxx-base.yaml

@@ -10,8 +10,7 @@ properties:
     description: Data Ready Bar
 
   "#io-channel-cells":
-    const: 2
+    const: 1
 
 io-channel-cells:
-  - positive
-  - negative
+  - input

tests/drivers/build_all/adc/boards/native_sim.overlay

@@ -140,7 +140,7 @@
 				reg = <0x1>;
 				spi-max-frequency = <0>;
 				drdyb-gpios = <&test_gpio 0 0>;
-				#io-channel-cells = <2>;
+				#io-channel-cells = <1>;
 			};
 
 			test_spi_lmp90078: lmp90078@2 {
@@ -148,7 +148,7 @@
 				reg = <0x2>;
 				spi-max-frequency = <0>;
 				drdyb-gpios = <&test_gpio 0 0>;
-				#io-channel-cells = <2>;
+				#io-channel-cells = <1>;
 			};
 
 			test_spi_lmp90079: lmp90079@3 {
@@ -156,7 +156,7 @@
 				reg = <0x3>;
 				spi-max-frequency = <0>;
 				drdyb-gpios = <&test_gpio 0 0>;
-				#io-channel-cells = <2>;
+				#io-channel-cells = <1>;
 			};
 
 			test_spi_lmp90080: lmp90080@4 {
@@ -164,7 +164,7 @@
 				reg = <0x4>;
 				spi-max-frequency = <0>;
 				drdyb-gpios = <&test_gpio 0 0>;
-				#io-channel-cells = <2>;
+				#io-channel-cells = <1>;
 			};
 
 			test_spi_lmp90097: lmp90097@5 {
@@ -172,7 +172,7 @@
 				reg = <0x5>;
 				spi-max-frequency = <0>;
 				drdyb-gpios = <&test_gpio 0 0>;
-				#io-channel-cells = <2>;
+				#io-channel-cells = <1>;
 			};
 
 			test_spi_lmp90098: lmp90098@6 {
@@ -180,7 +180,7 @@
 				reg = <0x6>;
 				spi-max-frequency = <0>;
 				drdyb-gpios = <&test_gpio 0 0>;
-				#io-channel-cells = <2>;
+				#io-channel-cells = <1>;
 			};
 
 			test_spi_lmp90099: lmp90099@7 {
@@ -188,7 +188,7 @@
 				reg = <0x7>;
 				spi-max-frequency = <0>;
 				drdyb-gpios = <&test_gpio 0 0>;
-				#io-channel-cells = <2>;
+				#io-channel-cells = <1>;
 			};
 
 			test_spi_lmp90100: lmp90100@8 {
@@ -196,7 +196,7 @@
 				reg = <0x8>;
 				spi-max-frequency = <0>;
 				drdyb-gpios = <&test_gpio 0 0>;
-				#io-channel-cells = <2>;
+				#io-channel-cells = <1>;
 			};
 
 			test_spi_ads7052: ads7052@9 {