From 00c35f847652b9ca9c5f5ceb8abe15dccde34aa1 Mon Sep 17 00:00:00 2001
From: Aadi Desai <21363892+supleed2@users.noreply.github.com>
Date: Sat, 24 Jun 2023 20:51:40 +0100
Subject: [PATCH] Add amp volume control I2C Master

---
 make.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/make.py b/make.py
index 1d8c5ee..e1c8436 100755
--- a/make.py
+++ b/make.py
@@ -202,6 +202,11 @@ class BaseSoC(SoCCore):
 
         # GPIO Pins --------------------------------------------------------------------------------
         platform.add_extension([
+            ("i2c", 0,
+                Subsignal("scl", Pins("C9"), Misc("PULLMODE=UP")), # IO_SCL
+                Subsignal("sda", Pins("C10"), Misc("PULLMODE=UP")), # IO_SDA
+                IOStandard("LVCMOS33")
+            ),
             ("can", 0,
                 Subsignal("tx", Pins("J2")), # IO_13
                 Subsignal("rx", Pins("H2")), # IO_12
@@ -247,6 +252,10 @@ class BaseSoC(SoCCore):
         #     pads     = platform.request("dac_ctrl")
         # )
 
+        # Volume Control ---------------------------------------------------------------------------
+        from litex.soc.cores.bitbang import I2CMaster
+        self.i2c = I2CMaster(pads = platform.request("i2c"))
+
         # Propagation Delay Test -------------------------------------------------------------------
         # from modules.testPropagation import TestPropagation
         # self.proptest = TestPropagation(platform = platform)