device: Add DT_INST versions of DEVICE_DT_DECLARE and DEVICE_DT_DEFINE
Add convenience macros versions of DEVICE_DT_DECLARE and
DEVICE_DT_DEFINE that take a DT_INST number instead.
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
diff --git a/include/device.h b/include/device.h
index 25a386c..fd03d3e 100644
--- a/include/device.h
+++ b/include/device.h
@@ -173,6 +173,19 @@
data_ptr, cfg_ptr, level, prio, api_ptr)
/**
+ * @def DEVICE_DT_INST_DEFINE
+ *
+ * @brief Like DEVICE_DT_DEFINE for an instance of a DT_DRV_COMPAT compatible
+ *
+ * @param inst instance number. This is replaced by
+ * <tt>DT_DRV_COMPAT(inst)</tt> in the call to DEVICE_DT_DEFINE.
+ *
+ * @param ... other parameters as expected by DEVICE_DT_DEFINE.
+ */
+#define DEVICE_DT_INST_DEFINE(inst, ...) \
+ DEVICE_DT_DEFINE(DT_DRV_INST(inst), __VA_ARGS__)
+
+/**
* @def DEVICE_DT_NAME_GET
*
* @brief The name of the struct device object for @p node_id
@@ -209,6 +222,15 @@
*/
#define DEVICE_DT_GET(node_id) (&DEVICE_DT_NAME_GET(node_id))
+/** @def DEVICE_DT_INST_GET
+ *
+ * @brief Obtain a pointer to a device object for an instance of a
+ * DT_DRV_COMPAT compatible
+ *
+ * @param inst instance number
+ */
+#define DEVICE_DT_INST_GET(inst) DEVICE_DT_GET(DT_DRV_INST(inst))
+
/** @def DEVICE_DT_DECLARE
*
* @brief Declare a device object associated with @p node_id
@@ -236,6 +258,15 @@
#define DEVICE_DT_DECLARE(node_id) \
extern const struct device DEVICE_DT_NAME_GET(node_id)
+/** @def DEVICE_DT_INST_DECLARE
+ *
+ * @brief Declare a device object associated for an instance of a
+ * DT_DRV_COMPAT compatible
+ *
+ * @param inst instance number
+ */
+#define DEVICE_DT_INST_DECLARE(inst) DEVICE_DT_DECLARE(DT_DRV_INST(inst))
+
/**
* @def DEVICE_GET
*
