Split TSEL back up. They are distinct.

data/registers/dac_v2.yaml

@@ -111,7 +111,7 @@ fieldset/CR:
       description: DAC channel1 trigger selection
       bit_offset: 3
       bit_size: 3
-      enum: TSEL
+      enum: TSEL1
     - name: WAVE1
       description: DAC channel1 noise/triangle wave generation enable
       bit_offset: 6
@@ -145,7 +145,7 @@ fieldset/CR:
       description: DAC channel2 trigger selection
       bit_offset: 19
       bit_size: 3
-      enum: TSEL
+      enum: TSEL2
     - name: WAVE2
       description: DAC channel2 noise/triangle wave generation enable
       bit_offset: 22
@@ -341,7 +341,31 @@ fieldset/SWTRIGR:
       description: DAC channel2 software trigger
       bit_offset: 1
       bit_size: 1
-enum/TSEL:
+enum/TSEL1:
+  bit_size: 3
+  variants:
+    - name: TIM6_TRGO
+      description: Timer 6 TRGO event
+      value: 0
+    - name: TIM3_TRGO
+      description: Timer 3 TRGO event
+      value: 1
+    - name: TIM7_TRGO
+      description: Timer 7 TRGO event
+      value: 2
+    - name: TIM15_TRGO
+      description: Timer 15 TRGO event
+      value: 3
+    - name: TIM2_TRGO
+      description: Timer 2 TRGO event
+      value: 4
+    - name: EXTI9
+      description: EXTI line9
+      value: 6
+    - name: SOFTWARE
+      description: Software trigger
+      value: 7
+enum/TSEL2:
   bit_size: 3
   variants:
     - name: TIM6_TRGO