Add qemu 2.4.0
[kvmfornfv.git] / qemu / roms / u-boot / board / samsung / common / multi_i2c.c
diff --git a/qemu/roms/u-boot/board/samsung/common/multi_i2c.c b/qemu/roms/u-boot/board/samsung/common/multi_i2c.c
new file mode 100644 (file)
index 0000000..71c32c0
--- /dev/null
@@ -0,0 +1,59 @@
+/*
+ *  Copyright (C) 2012 Samsung Electronics
+ *  Lukasz Majewski <l.majewski@samsung.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <i2c.h>
+
+#ifndef CONFIG_SOFT_I2C_I2C10_SCL
+#define CONFIG_SOFT_I2C_I2C10_SCL 0
+#endif
+
+#ifndef CONFIG_SOFT_I2C_I2C10_SDA
+#define CONFIG_SOFT_I2C_I2C10_SDA 0
+#endif
+
+/* Handle multiple I2C buses instances */
+int get_multi_scl_pin(void)
+{
+       unsigned int bus = i2c_get_bus_num();
+
+       switch (bus) {
+       case I2C_0:
+               return CONFIG_SOFT_I2C_I2C5_SCL;
+       case I2C_1:
+               return CONFIG_SOFT_I2C_I2C9_SCL;
+       case I2C_2:
+               return CONFIG_SOFT_I2C_I2C10_SCL;
+       default:
+               printf("I2C_%d not supported!\n", bus);
+       };
+
+       return 0;
+}
+
+int get_multi_sda_pin(void)
+{
+       unsigned int bus = i2c_get_bus_num();
+
+       switch (bus) {
+       case I2C_0:
+               return CONFIG_SOFT_I2C_I2C5_SDA;
+       case I2C_1:
+               return CONFIG_SOFT_I2C_I2C9_SDA;
+       case I2C_2:
+               return CONFIG_SOFT_I2C_I2C10_SDA;
+       default:
+               printf("I2C_%d not supported!\n", bus);
+       };
+
+       return 0;
+}
+
+int multi_i2c_init(void)
+{
+       return 0;
+}