5 files changed, 46 insertions(+), 14 deletions(-)

A patch/atmega32u4.yaml
M patch/attiny85.yaml
M patch/common/ac.yaml
D patch/common/ac/acsr.yaml
A patch/common/twi.yaml

@@ 0,0 1,3 @@
+_include:
+  - "common/ac.yaml"
+  - "common/twi.yaml"

@@ 1,2 1,11 @@
 _include:
-    - "common/ac.yaml"
+  - "common/ac.yaml"
+
+USI:
+  USICR:
+    USIWM:
+      _replace_enum:
+        DISABLED: [0, "All detectors disabled. Port pins operates as normal."]
+        THREE_WIRE: [1, "Three-wire mode. Uses DO, DI, and USCK pins."]
+        TWO_WIRE_SLAVE: [2, "Two-wire mode (Slave). Uses SDA (DI) and SCL (USCK) pins."]
+        TWO_WIRE_MASTER: [3, "Two-wire mode (Master). Uses SDA and SCL pins."]

@@ 1,2 1,11 @@
-_include:
-    - "ac/acsr.yaml"
+AC:
+  ACSR:
+    _modify:
+      ACIS:
+        description: "Analog Comparator Interrupt Mode Select"
+    ACIS:
+      _replace_enum:
+        ON_TOGGLE: [0, "Interrupt on Toggle"]
+        # Leaving [1, 'Reserved'] out
+        ON_FALLING_EDGE: [2, "Interrupt on Falling Edge"]
+        ON_RISING_EDGE: [3, "Interrupt on Rising Edge"]

@@ 1,11 0,0 @@
-AC:
-    ACSR:
-        _modify:
-            ACIS:
-                description: "Analog Comparator Interrupt Mode Select"
-        ACIS:
-            _replace_enum:
-                ON_TOGGLE: [0, "Interrupt on Toggle"]
-                # Leaving [1, 'Reserved'] out
-                ON_FALLING_EDGE: [2, "Interrupt on Falling Edge"]
-                ON_RISING_EDGE: [3, "Interrupt on Rising Edge"]

@@ 0,0 1,22 @@
+TWI:
+  _modify:
+    TWCR:
+      access: read-write
+  TWCR:
+    _modify:
+      TWWC:
+        access: read-only
+  TWAMR:
+    _modify:
+      TWAM:
+        description: "TWI (Slave) Address Mask Bits"
+  TWSR:
+    _modify:
+      TWS:
+        access: read-only
+    TWPS:
+      _replace_enum:
+        PRESCALER_1: [0, "Prescaler Value 1"]
+        PRESCALER_4: [1, "Prescaler Value 4"]
+        PRESCALER_16: [2, "Prescaler Value 16"]
+        PRESCALER_64: [3, "Prescaler Value 64"]