From f6c24bc802f2cb5ec959a768b60dadc957f113cb Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Wed, 24 Oct 2018 10:20:19 +0200
Subject: I2C: Add support for manual / always-on gpio pullups

---
 Makefile | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index cbe93c8..3148fdc 100644
--- a/Makefile
+++ b/Makefile
@@ -71,8 +71,20 @@ ifneq (${timer_freq}, )
 	COMMON_FLAGS += -DF_TIMER=${timer_freq}
 endif
 
-ifeq (${softi2c_pullup}, 1)
-	COMMON_FLAGS += -DSOFTI2C_PULLUP
+ifeq (${softi2c_pullup}, internal)
+	COMMON_FLAGS += -DSOFTI2C_PULLUP_INTERNAL
+endif
+
+ifeq (${softi2c_pullup}, external)
+	COMMON_FLAGS += -DSOFTI2C_PULLUP_EXTERNAL
+endif
+
+ifeq (${softi2c_pullup}, gpio)
+	COMMON_FLAGS += -DSOFTI2C_PULLUP_FIXED_GPIO
+endif
+
+ifeq (${i2c_pullup}, gpio)
+	COMMON_FLAGS += -DI2C_PULLUP_FIXED_GPIO
 endif
 
 ifeq (${softi2c_timer}, 1)
-- 
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