periphclocks.c
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/****************************************************************************
* boards/arm/s32k1xx/ucans32k146/src/s32k1xx_periphclks.c
*
* Copyright (C) 2019 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Most of the settings within this file derives from NXP sample code for
* the S32K1XX MCUs. That sample code has this licensing information:
*
* Copyright (c) 2013 - 2015, Freescale Semiconductor, Inc.
* Copyright 2016-2018 NXP
* All rights reserved.
*
* THIS SOFTWARE IS PROVIDED BY NXP "AS IS" AND ANY EXPRESSED OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL NXP OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include "s32k1xx_periphclocks.h"
#include "board_config.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/* Each S32K1XX board must provide the following initialized structure.
* This is needed to establish the initial peripheral clocking.
*/
const struct peripheral_clock_config_s g_peripheral_clockconfig0[] = {
{
.clkname = FLEXCAN0_CLK,
#ifdef CONFIG_S32K1XX_FLEXCAN0
.clkgate = true,
#else
.clkgate = false,
#endif
},
{
.clkname = FLEXCAN1_CLK,
#ifdef CONFIG_S32K1XX_FLEXCAN1
.clkgate = true,
#else
.clkgate = false,
#endif
},
{
.clkname = LPI2C0_CLK,
#ifdef CONFIG_S32K1XX_LPI2C0
.clkgate = true,
#else
.clkgate = false,
#endif
.clksrc = CLK_SRC_SIRC_DIV2,
},
{
.clkname = LPSPI0_CLK,
#ifdef CONFIG_S32K1XX_LPSPI0
.clkgate = true,
#else
.clkgate = false,
#endif
.clksrc = CLK_SRC_SIRC_DIV2,
},
{
.clkname = LPUART0_CLK,
#ifdef CONFIG_S32K1XX_LPUART0
.clkgate = true,
#else
.clkgate = false,
#endif
.clksrc = CLK_SRC_SIRC_DIV2,
},
{
.clkname = LPUART1_CLK,
#ifdef CONFIG_S32K1XX_LPUART1
.clkgate = true,
#else
.clkgate = false,
#endif
.clksrc = CLK_SRC_SIRC_DIV2,
},
{
.clkname = RTC0_CLK,
#ifdef CONFIG_S32K1XX_RTC
.clkgate = true,
#else
.clkgate = false,
#endif
.clksrc = CLK_SRC_OFF,
.frac = MULTIPLY_BY_ONE,
.divider = 1,
},
{
.clkname = FTM0_CLK,
.clkgate = true,
.clksrc = CLK_SRC_SOSC_DIV1,
},
{
.clkname = FTM1_CLK,
.clkgate = true,
.clksrc = CLK_SRC_SOSC_DIV1,
},
{
.clkname = FTM2_CLK,
.clkgate = true,
.clksrc = CLK_SRC_SOSC_DIV1,
},
{
.clkname = FTM3_CLK,
.clkgate = true,
.clksrc = CLK_SRC_SOSC_DIV1,
},
{
.clkname = FTM4_CLK,
.clkgate = true,
.clksrc = CLK_SRC_SOSC_DIV1,
},
{
.clkname = FTM5_CLK,
.clkgate = true,
.clksrc = CLK_SRC_SOSC_DIV1,
},
{
.clkname = PORTA_CLK,
.clkgate = true,
},
{
.clkname = PORTB_CLK,
.clkgate = true,
},
{
.clkname = PORTC_CLK,
.clkgate = true,
},
{
.clkname = PORTD_CLK,
.clkgate = true,
},
{
.clkname = PORTE_CLK,
.clkgate = true,
},
};