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software/apps/slave_node/dts/bindings/adc/custom,motor-current.yaml

@@ -4,29 +4,48 @@ description: Motor current sensor using VND7050AJ multiplexer
 compatible: "custom,motor-current"
 
 properties:
-  sensor-mux:
-    type: phandle
+  io-channels:
+    type: phandle-array
     required: true
-    description: Reference to the VND7050AJ sensor multiplexer node
+    description: ADC channel phandle and specifier
+
+  io-channel-names:
+    type: string-array
+    required: true
+    description: Names for the ADC channels
+
+  reference-mv:
+    type: int
+    required: true
+    description: ADC reference voltage in millivolts
 
   current-sense-resistor-mohm:
     type: int
     required: true
     description: Current sense resistor value in milliohms
 
-  amplifier-gain:
-    type: int
-    required: false
-    default: 1
-    description: Current sense amplifier gain
-
-  mux-channel:
+  k-factor:
     type: int
     required: true
-    description: Multiplexer channel number (0-3) for this sensor
+    description: Current sense amplification factor for VND7050AJ
+
+  sen-gpios:
+    type: phandle-array
+    required: true
+    description: GPIO for sensor enable (SEN pin)
+
+  s0-gpios:
+    type: phandle-array
+    required: true
+    description: GPIO for multiplexer select bit 0 (S0 pin)
+
+  s1-gpios:
+    type: phandle-array
+    required: true
+    description: GPIO for multiplexer select bit 1 (S1 pin)
 
   measurement-delay-ms:
     type: int
     required: false
     default: 10
-    description: Delay in milliseconds after GPIO setup before measurement
+    description: Delay in milliseconds after setting GPIO pins before reading ADC

software/apps/slave_node/dts/bindings/adc/custom,supply-voltage.yaml

@@ -4,6 +4,21 @@ description: Supply voltage sensor using VND7050AJ multiplexer
 compatible: "custom,supply-voltage"
 
 properties:
+  io-channels:
+    type: phandle-array
+    required: true
+    description: ADC channel phandle and specifier
+
+  io-channel-names:
+    type: string-array
+    required: true
+    description: Names for the ADC channels
+
+  reference-mv:
+    type: int
+    required: true
+    description: ADC reference voltage in millivolts
+
   sensor-mux:
     type: phandle
     required: true

software/apps/slave_node/dts/bindings/adc/vnd7050aj,sensor-mux.yaml

@@ -48,3 +48,13 @@ properties:
     type: phandle-array
     required: false
     description: GPIO for reset control (RST pin)
+
+  sense-resistor-ohm:
+    type: int
+    required: true
+    description: Current sense resistor value in ohms
+
+  k-factor:
+    type: int
+    required: true
+    description: Current sense ratio for VND7050AJ (typical ~1200:1)