* arch/arm/src/mx8mp/mx8mp_ccm.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __ARCH_ARM_SRC_MX8MP_MX8MP_CCM_H
#define __ARCH_ARM_SRC_MX8MP_MX8MP_CCM_H
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include "hardware/mx8mp_ccm.h"
* Public Function Prototypes
****************************************************************************/
* Name: mx8mp_ccm_get_root_clock
*
* Description:
* Retrieve the root clock frequency.
*
****************************************************************************/
uint32_t mx8mp_ccm_get_root_clock(int clk_root_index);
* Name: mx8mp_ccm_get_clock
*
* Description:
* Retrieve the clock frequency.
*
****************************************************************************/
uint32_t mx8mp_ccm_get_clock(int clk_index);
* Name: mx8mp_ccm_configure_clock
*
* Description:
* Configure a clock by setting its root clock source
* and its dividers.
*
****************************************************************************/
int mx8mp_ccm_configure_clock(int clk_index,
int clk_root_src,
uint32_t pre_div,
uint32_t post_div);
* Name: mx8mp_ccm_enable_clock
*
* Description:
* Enable a clock.
*
****************************************************************************/
void mx8mp_ccm_enable_clock(int clk_index);
* Name: mx8mp_ccm_gate_clock
*
* Description:
* Apply desired gating configuration to the clock.
*
****************************************************************************/
void mx8mp_ccm_gate_clock(int gate_index, uint32_t value);
* Name: mx8mp_ccm_gate_pll
*
* Description:
* Apply desired gating configuration to the PLL.
*
****************************************************************************/
void mx8mp_ccm_gate_pll(int pll_index, uint32_t value);
* Name: mx8mp_ccm_configure_pll
*
* Description:
* Configure a PLL by settings its divider and DSM (if any).
*
****************************************************************************/
void mx8mp_ccm_configure_pll(int pll_index,
uint32_t main_div,
uint32_t pre_div,
uint32_t post_div,
uint32_t dsm);
#endif