1 files changed, 36 insertions, 0 deletions
diff --git a/techlibs/greenpak4/gp_dff.lib b/techlibs/greenpak4/gp_dff.lib
new file mode 100644
index 000000000..b4b8c1028
--- /dev/null
+++ b/techlibs/greenpak4/gp_dff.lib
@@ -0,0 +1,36 @@
+library(gp_dff) {
+  cell(GP_DFF) {
+    area: 1;
+    ff("IQ", "IQN") { clocked_on: CLK;
+                      next_state: D; }
+    pin(CLK) { direction: input;
+                   clock: true; }
+    pin(D) { direction: input; }
+    pin(Q) { direction: output;
+              function: "IQ"; }
+  }
+  cell(GP_DFFS) {
+    area: 1;
+    ff("IQ", "IQN") { clocked_on: CLK;
+                  next_state: D;
+                      preset: "nSET'"; }
+    pin(CLK) { direction: input;
+                 clock: true; }
+    pin(D) { direction: input; }
+    pin(Q) { direction: output;
+              function: "IQ"; }
+    pin(nSET) { direction: input; }
+  }
+  cell(GP_DFFR) {
+    area: 1;
+    ff("IQ", "IQN") { clocked_on: CLK;
+                      next_state: D;
+                           clear: "nRST'"; }
+    pin(CLK) { direction: input;
+                   clock: true; }
+    pin(D) { direction: input; }
+    pin(Q) { direction: output;
+              function: "IQ"; }
+    pin(nRST) { direction: input; }
+  }
+}