imxrt-multi: Implement i2c driver

multi/imxrt-multi/Makefile

@@ -8,13 +8,13 @@ NAME := imxrt-multi
 
 LOCAL_PATH := $(call my-dir)
 
-LOCAL_SRCS = imxrt-multi.c common.c uart.c gpio.c spi.c fs.c posixsrv.c
+LOCAL_SRCS = imxrt-multi.c common.c uart.c gpio.c spi.c i2c.c fs.c posixsrv.c
 ifneq ($(TARGET_SUBFAMILY), imxrt117x)
-  LOCAL_SRCS += i2c.c trng.c
+  LOCAL_SRCS += trng.c
 else
   LOCAL_SRCS += cm4.c
 endif
-DEP_LIBS := libtty libklog libpseudodev
+DEP_LIBS := libtty libklog libpseudodev i2c-common
 LIBS := libdummyfs libklog libpseudodev libposixsrv
 LOCAL_HEADERS := imxrt-multi.h
 

multi/imxrt-multi/config.h

@@ -1122,28 +1122,101 @@
 #endif /* #ifdef __CPU_IMXRT117X */
 
 
-#ifndef __CPU_IMXRT117X
-
 /* I2C */
 
 #ifndef I2C1
 #define I2C1 0
+#elif !ISBOOLEAN(I2C1)
+#error "I2C1 must have a value of 0, 1, or be undefined"
 #endif
 
 #ifndef I2C2
 #define I2C2 0
+#elif !ISBOOLEAN(I2C2)
+#error "I2C2 must have a value of 0, 1, or be undefined"
 #endif
 
 #ifndef I2C3
 #define I2C3 0
+#elif !ISBOOLEAN(I2C3)
+#error "I2C3 must have a value of 0, 1, or be undefined"
 #endif
 
 #ifndef I2C4
 #define I2C4 0
+#elif !ISBOOLEAN(I2C4)
+#error "I2C4 must have a value of 0, 1, or be undefined"
+#endif
+
+#ifdef __CPU_IMXRT117X
+
+#ifndef I2C5
+#define I2C5 0
+#elif !ISBOOLEAN(I2C5)
+#error "I2C5 must have a value of 0, 1, or be undefined"
+#endif
+
+#ifndef I2C6
+#define I2C6 0
+#elif !ISBOOLEAN(I2C6)
+#error "I2C6 must have a value of 0, 1, or be undefined"
 #endif
 
+#endif /* #ifdef __CPU_IMXRT117X */
+
+#ifndef I2C1_PUSHPULL
+#define I2C1_PUSHPULL 0
+#endif
+
+#ifndef I2C2_PUSHPULL
+#define I2C2_PUSHPULL 0
+#endif
+
+#ifndef I2C3_PUSHPULL
+#define I2C3_PUSHPULL 0
+#endif
+
+#ifndef I2C4_PUSHPULL
+#define I2C4_PUSHPULL 0
+#endif
+
+#ifndef I2C5_PUSHPULL
+#define I2C5_PUSHPULL 0
+#endif
+
+#ifndef I2C6_PUSHPULL
+#define I2C6_PUSHPULL 0
+#endif
+
+#ifndef I2C1_SPEED
+#define I2C1_SPEED i2c_speed_slow
+#endif
+
+#ifndef I2C2_SPEED
+#define I2C2_SPEED i2c_speed_slow
+#endif
+
+#ifndef I2C3_SPEED
+#define I2C3_SPEED i2c_speed_slow
+#endif
+
+#ifndef I2C4_SPEED
+#define I2C4_SPEED i2c_speed_slow
+#endif
+
+#ifndef I2C5_SPEED
+#define I2C5_SPEED i2c_speed_slow
+#endif
+
+#ifndef I2C6_SPEED
+#define I2C6_SPEED i2c_speed_slow
+#endif
+
+
 /* TRNG */
 
+#ifndef __CPU_IMXRT117X
+
 #ifndef TRNG
 #define TRNG 0
 #endif