driver:power:add regulator remote proc

N/A

Signed-off-by: zhuyanlin <zhuyanlin1@xiaomi.com>

drivers/power/Kconfig

@@ -351,6 +351,15 @@ config REGULATOR
 		layer driver can register with, and the common regulator APIs that are easy
 		for other drivers to call for the control of their power supply.
 
+config REGULATOR_RPMSG
+	bool "Regulator rpmsg driver support"
+	default n
+	---help---
+		The rpmsg regulator driver implements the common regulator APIs, inside which
+		the regulator operations are sent from the client to the remote device via
+		the rpmsg channel. The remote device(namely server) is responsible for
+		the parse and the completion.
+
 config BATTERY_CHARGER
 	bool "Battery Charger support"
 	default n

drivers/power/Make.defs

@@ -81,6 +81,16 @@ POWER_CFLAGS := ${shell $(INCDIR) "$(CC)" $(TOPDIR)$(DELIM)drivers$(DELIM)power}
 
 endif
 
+ifeq ($(CONFIG_REGULATOR_RPMSG), y)
+
+CSRCS += regulator_rpmsg.c
+
+POWER_DEPPATH := --dep-path power
+POWER_VPATH := :power
+POWER_CFLAGS := ${shell $(INCDIR) "$(CC)" $(TOPDIR)$(DELIM)drivers$(DELIM)power}
+
+endif
+
 # Add battery charger drivers
 
 ifeq ($(CONFIG_BATTERY_CHARGER),y)

drivers/power/regulator.c

@@ -161,6 +161,13 @@ static FAR struct regulator_dev_s *regulator_dev_lookup(const char *supply)
 
   nxsem_post(&g_reg_sem);
 
+#if defined(CONFIG_REGULATOR_RPMSG)
+  if (rdev_found == NULL)
+    {
+      rdev_found = regulator_rpmsg_get(supply);
+    }
+#endif
+
   return rdev_found;
 }
 

include/nuttx/power/regulator.h

@@ -153,6 +153,42 @@ regulator_register(FAR const struct regulator_desc_s *desc,
 
 void regulator_unregister(FAR struct regulator_dev_s *rdev);
 
+#if defined(CONFIG_REGULATOR_RPMSG)
+
+/****************************************************************************
+ * Name: regulator_rpmsg_get
+ *
+ * Description:
+ *
+ * Input Parameters:
+ *
+ *   name - the name for register the rpmsg regulator dev
+ *
+ * Returned Value:
+ *
+ *   Regulator dev pointer
+ *
+ ****************************************************************************/
+
+FAR struct regulator_dev_s *regulator_rpmsg_get(FAR const char *name);
+
+/****************************************************************************
+ * Name: regulator_rpmsg_init
+ *
+ * Description:
+ *
+ * Input Parameters:
+ *
+ * Returned Value:
+ *
+ *   Zero (OK) on success; a negated errno on failure
+ *
+ ****************************************************************************/
+
+int regulator_rpmsg_init(void);
+
+#endif
+
 #undef EXTERN
 #ifdef __cplusplus
 }