arm:am33xx: Add a scale_vcores() hook

Similar to OMAP4/5 we need to scale the voltage up prior to changing the
clock frequencies up higher.  Add a similar hook to start with.

Signed-off-by: Tom Rini <trini@ti.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/arm/include/asm/arch-am33xx/clock.h b/arch/arm/include/asm/arch-am33xx/clock.h
index f00fad3..4af6b57 100644
--- a/arch/arm/include/asm/arch-am33xx/clock.h
+++ b/arch/arm/include/asm/arch-am33xx/clock.h
@@ -107,6 +107,7 @@ const struct dpll_params *get_dpll_mpu_params(void);
 const struct dpll_params *get_dpll_core_params(void);
 const struct dpll_params *get_dpll_per_params(void);
 const struct dpll_params *get_dpll_ddr_params(void);
+void scale_vcores(void);
 void do_setup_dpll(const struct dpll_regs *, const struct dpll_params *);
 void prcm_init(void);
 void enable_basic_clocks(void);