Labels for devicetree gpios fixed

Author: moisesmata

boards/bronco_space/proves_flight_control_board_v5/proves_flight_control_board_v5.dtsi

@@ -166,22 +166,40 @@ zephyr_udc0: &usbd {
 		lsb-microamp = <100>;
 		label = "INA219";
 	};
-    mcp23017: mcp23017@20 {
-        compatible = "microchip,mcp23017";
-        reg = <0x20>;
-        gpio-controller;
-        #gpio-cells = <2>;
-
-        // GPIO line names for traceability
-        gpio-line-names = "FACE4_ENABLE", "FACE0_ENABLE", "FACE1_ENABLE", "FACE2_ENABLE",
-                          "FACE3_ENABLE", "FACE5_ENABLE", "READONLY", "CHARGE",
-                          "ENABLE_Heater", "PAYLOAD_PWR_ENABLE", "FIRE_DEPLOY2_B", "PAYLOAD_BATT_ENABLE",
-                          "RF2_IO2", "RF2_IO1", "RF2_IO0", "RF2_IO3";
-
-        reset-gpios = <&gpio0 20 GPIO_ACTIVE_LOW>;
-
-        ngpios = <16>;
-    };
+	mcp23017: mcp23017@20 {
+		compatible = "microchip,mcp23017";
+		reg = <0x20>;
+		gpio-controller;
+		#gpio-cells = <2>;
+
+		/* gpio-line-names must match the numeric indexes used below. The
+		 * topology and gpio nodes expect the following mapping (index : name):
+		 *  0: ENABLE_HEATER (GPA0)
+		 *  1: PAYLOAD_PWR_ENABLE (GPA1)
+		 *  2: FIRE_DEPLOY2_B (GPA2)
+		 *  3: PAYLOAD_BATT_ENABLE (GPA3)
+		 *  4: RF2_IO2 (GPA4)
+		 *  5: RF2_IO1 (GPA5)
+		 *  6: RF2_IO0 (GPA6)
+		 *  7: RF2_IO3 (GPA7)
+		 *  8: FACE4_ENABLE (GPB0)
+		 *  9: FACE0_ENABLE (GPB1)
+		 * 10: FACE1_ENABLE (GPB2)
+		 * 11: FACE2_ENABLE (GPB3)
+		 * 12: FACE3_ENABLE (GPB4)
+		 * 13: FACE5_ENABLE (GPB5)
+		 * 14: READONLY (GPB6)
+		 * 15: CHARGE (GPB7)
+		 */
+		gpio-line-names = "ENABLE_HEATER", "PAYLOAD_PWR_ENABLE", "FIRE_DEPLOY2_B", "PAYLOAD_BATT_ENABLE",
+						  "RF2_IO2", "RF2_IO1", "RF2_IO0", "RF2_IO3",
+						  "FACE4_ENABLE", "FACE0_ENABLE", "FACE1_ENABLE", "FACE2_ENABLE",
+						  "FACE3_ENABLE", "FACE5_ENABLE", "READONLY", "CHARGE";
+
+		reset-gpios = <&gpio0 20 GPIO_ACTIVE_LOW>;
+
+		ngpios = <16>;
+	};
 };
 
 // GPIO Expander IO