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Diffstat (limited to 'include/linux/mfd/core.h')
-rw-r--r--include/linux/mfd/core.h50
1 files changed, 35 insertions, 15 deletions
diff --git a/include/linux/mfd/core.h b/include/linux/mfd/core.h
index d01d1299e49d..0bc7cba798a3 100644
--- a/include/linux/mfd/core.h
+++ b/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), \
@@ -22,27 +22,35 @@
.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(_name, _res, _pdata, _pdsize,_id, _compat) \
- MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, _compat, NULL) \
+#define MFD_CELL_OF_REG(_name, _res, _pdata, _pdsize, _id, _compat, _of_reg) \
+ MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, _compat, _of_reg, true, NULL)
-#define ACPI_MFD_CELL(_name, _res, _pdata, _pdsize, _id, _match) \
- MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, NULL, _match) \
+#define MFD_CELL_OF(_name, _res, _pdata, _pdsize, _id, _compat) \
+ MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, _compat, 0, false, NULL)
-#define MFD_CELL_BASIC(_name, _res, _pdata, _pdsize, _id) \
- MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, NULL, NULL) \
+#define MFD_CELL_ACPI(_name, _res, _pdata, _pdsize, _id, _match) \
+ MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, NULL, 0, false, _match)
-#define MFD_CELL_RES(_name, _res) \
- MFD_CELL_ALL(_name, _res, NULL, 0, 0, NULL, NULL) \
+#define MFD_CELL_BASIC(_name, _res, _pdata, _pdsize, _id) \
+ MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, NULL, 0, false, NULL)
-#define MFD_CELL_NAME(_name) \
- MFD_CELL_ALL(_name, NULL, NULL, 0, 0, NULL, NULL) \
+#define MFD_CELL_RES(_name, _res) \
+ 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, 0, false, NULL)
+
+#define MFD_DEP_LEVEL_NORMAL 0
+#define MFD_DEP_LEVEL_HIGH 1
struct irq_domain;
-struct property_entry;
+struct software_node;
/* Matches ACPI PNP id, either _HID or _CID, or ACPI _ADR */
struct mfd_cell_acpi_match {
@@ -58,6 +66,7 @@ struct mfd_cell_acpi_match {
struct mfd_cell {
const char *name;
int id;
+ int level;
int (*enable)(struct platform_device *dev);
int (*disable)(struct platform_device *dev);
@@ -69,15 +78,25 @@ struct mfd_cell {
void *platform_data;
size_t pdata_size;
- /* device properties passed to the sub devices drivers */
- struct property_entry *properties;
+ /* Software node for the device. */
+ const struct software_node *swnode;
/*
* Device Tree compatible string
- * See: Documentation/devicetree/usage-model.txt Chapter 2.2 for details
+ * See: Documentation/devicetree/usage-model.rst Chapter 2.2 for details
*/
const char *of_compatible;
+ /*
+ * Address as defined in Device Tree. Used to compement 'of_compatible'
+ * (above) when matching OF nodes with devices that have identical
+ * compatible strings
+ */
+ const u64 of_reg;
+
+ /* Set to 'true' to use 'of_reg' (above) - allows for of_reg=0 */
+ bool use_of_reg;
+
/* Matches ACPI */
const struct mfd_cell_acpi_match *acpi_match;
@@ -135,6 +154,7 @@ static inline int mfd_add_hotplug_devices(struct device *parent,
}
extern void mfd_remove_devices(struct device *parent);
+extern void mfd_remove_devices_late(struct device *parent);
extern int devm_mfd_add_devices(struct device *dev, int id,
const struct mfd_cell *cells, int n_devs,