mfd: core: Add OF_MFD_CELL_REG() helper

Extend current list of helpers to provide support for parent drivers
wishing to match specific child devices to particular OF nodes.
Signed-off-by: Lee Jones <lee.jones@linaro.org>

include/linux/mfd/core.h

@@ -14,7 +14,7 @@
 
 #define MFD_RES_SIZE(arr) (sizeof(arr) / sizeof(struct resource))
 
-#define MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, _compat, _match)\
+#define MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, _compat, _of_reg, _use_of_reg, _match) \
 	{								\
 		.name = (_name),					\
 		.resources = (_res),					\
@@ -22,24 +22,29 @@
 		.platform_data = (_pdata),				\
 		.pdata_size = (_pdsize),				\
 		.of_compatible = (_compat),				\
+		.of_reg = (_of_reg),					\
+		.use_of_reg = (_use_of_reg),				\
 		.acpi_match = (_match),					\
 		.id = (_id),						\
 	}
 
+#define OF_MFD_CELL_REG(_name, _res, _pdata, _pdsize, _id, _compat, _of_reg) \
+	MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, _compat, _of_reg, true, NULL)
+
 #define OF_MFD_CELL(_name, _res, _pdata, _pdsize, _id, _compat) \
-	MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, _compat, NULL)
+	MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, _compat, 0, false, NULL)
 
 #define ACPI_MFD_CELL(_name, _res, _pdata, _pdsize, _id, _match) \
-	MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, NULL, _match)
+	MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, NULL, 0, false, _match)
 
 #define MFD_CELL_BASIC(_name, _res, _pdata, _pdsize, _id) \
-	MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, NULL, NULL)
+	MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, NULL, 0, false, NULL)
 
 #define MFD_CELL_RES(_name, _res) \
-	MFD_CELL_ALL(_name, _res, NULL, 0, 0, NULL, NULL)
+	MFD_CELL_ALL(_name, _res, NULL, 0, 0, NULL, 0, false, NULL)
 
 #define MFD_CELL_NAME(_name) \
-	MFD_CELL_ALL(_name, NULL, NULL, 0, 0, NULL, NULL)
+	MFD_CELL_ALL(_name, NULL, NULL, 0, 0, NULL, 0, false, NULL)
 
 struct irq_domain;
 struct property_entry;