same70/genclk.h File Reference

Chip-specific generic clock management.

Copyright (c) 2015-2019 Microchip Technology Inc. and its subsidiaries.

#include <osc.h>
#include <pll.h>
#include <sysclk.h>

Data Structures
struct	genclk_config
	Hardware representation of a set of generic clock parameters. More...

Macros
Programmable Clock Identifiers (PCK)
#define	GENCLK_PCK_0   0
	PCK0 ID. More...
#define	GENCLK_PCK_1   1
	PCK1 ID. More...
#define	GENCLK_PCK_2   2
	PCK2 ID. More...

Enumerations
enum	genclk_source {   GENCLK_PCK_SRC_SLCK_RC = 0,   GENCLK_PCK_SRC_SLCK_XTAL = 1,   GENCLK_PCK_SRC_SLCK_BYPASS = 2,   GENCLK_PCK_SRC_MAINCK_4M_RC = 3,   GENCLK_PCK_SRC_MAINCK_8M_RC = 4,   GENCLK_PCK_SRC_MAINCK_12M_RC = 5,   GENCLK_PCK_SRC_MAINCK_XTAL = 6,   GENCLK_PCK_SRC_MAINCK_BYPASS = 7,   GENCLK_PCK_SRC_PLLACK = 8,   GENCLK_PCK_SRC_MCK = 9 }
	Generic clock source ID. More...
Programmable Clock Prescalers (PCK)
enum	genclk_divider {   GENCLK_PCK_PRES_1 = PMC_PCK_PRES(0),   GENCLK_PCK_PRES_2 = PMC_PCK_PRES(1),   GENCLK_PCK_PRES_4 = PMC_PCK_PRES(2),   GENCLK_PCK_PRES_8 = PMC_PCK_PRES(3),   GENCLK_PCK_PRES_16 = PMC_PCK_PRES(4),   GENCLK_PCK_PRES_32 = PMC_PCK_PRES(5),   GENCLK_PCK_PRES_64 = PMC_PCK_PRES(6) }

Functions
static void	genclk_config_defaults (struct genclk_config *p_cfg, uint32_t ul_id)
static void	genclk_config_read (struct genclk_config *p_cfg, uint32_t ul_id)
static void	genclk_config_write (const struct genclk_config *p_cfg, uint32_t ul_id)
static void	genclk_disable (uint32_t ul_id)
static void	genclk_enable (const struct genclk_config *p_cfg, uint32_t ul_id)
Programmable Clock Source and Prescaler configuration
static void	genclk_config_set_source (struct genclk_config *p_cfg, enum genclk_source e_src)
	Select a new source clock src in configuration cfg. More...
static void	genclk_config_set_divider (struct genclk_config *p_cfg, uint32_t e_divider)
Generic clock configuration
static void	genclk_enable_source (enum genclk_source e_src)
	Enable the source clock src used by a generic clock. More...
Retrieves the current rate in Hz of the Programmable Clock Source
static uint32_t	genclk_get_frequency_hz (uint32_t ul_id)