Add function to change fract dividers

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2466 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 16 insertions, 1 deletions

diff --git a/nuttx/arch/arm/src/lpc313x/lpc313x_cgudrvr.h b/nuttx/arch/arm/src/lpc313x/lpc313x_cgudrvr.h
index b4825a12e..91eb6a052 100755
--- a/nuttx/arch/arm/src/lpc313x/lpc313x_cgudrvr.h
+++ b/nuttx/arch/arm/src/lpc313x/lpc313x_cgudrvr.h
@@ -646,7 +646,9 @@ EXTERN void lpc313x_clkinit(const struct lpc313x_clkinit_s* cfg);
  * Name: lpc313x_fdivinit
  *
  * Description:
- *   Enable and configure (or disable) a fractional divider.
+ *   Enable and configure (or disable) a fractional divider.  For
+ *   internal us only... see lpc313x_setfdiv() the externally usable
+ *   function.
  *
  ************************************************************************/
 
@@ -654,6 +656,19 @@ EXTERN uint32_t lpc313x_fdivinit(int fdcndx,
                                  const struct lpc313x_fdivconfig_s *fdiv,
                                  bool enable);
 
+/************************************************************************
+ * Name: lpc313x_setfdiv
+ *
+ * Description:
+ *   Set/reset subdomain frequency containing the specified clock using
+ *   the provided divider settings
+ *
+ ************************************************************************/
+
+EXTERN void lpc313x_setfdiv(enum lpc313x_domainid_e dmnid,
+                            enum lpc313x_clockid_e clkid,
+                            const struct lpc313x_subdomainconfig_s *fdiv);
+
 /****************************************************************************
  * Name: lpc313x_pllconfig
  *