am33xx: Add a function to query MPU voltage in uV
For the DM TPS65910 driver I'm working on, querying the MPU voltage
should return a value in uV. This value can then be used by the
regulator's standard function set_value to set the MPU voltage.
Signed-off-by: Felix Brack <fb@ltec.ch>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
diff --git a/arch/arm/include/asm/arch-am33xx/sys_proto.h b/arch/arm/include/asm/arch-am33xx/sys_proto.h
index 4e78aaf..57fbfa4 100644
--- a/arch/arm/include/asm/arch-am33xx/sys_proto.h
+++ b/arch/arm/include/asm/arch-am33xx/sys_proto.h
@@ -40,6 +40,7 @@
#endif
void am33xx_spl_board_init(void);
int am335x_get_efuse_mpu_max_freq(struct ctrl_dev *cdev);
+int am335x_get_mpu_vdd(int sil_rev, int frequency);
int am335x_get_tps65910_mpu_vdd(int sil_rev, int frequency);
#endif