1 files changed, 572 insertions, 0 deletions

diff --git a/lib/chibios-contrib/ext/mcux-sdk/devices/LPC822/drivers/fsl_clock.h b/lib/chibios-contrib/ext/mcux-sdk/devices/LPC822/drivers/fsl_clock.h
new file mode 100644
index 000000000..c92d6ba12
--- /dev/null
+++ b/lib/chibios-contrib/ext/mcux-sdk/devices/LPC822/drivers/fsl_clock.h
@@ -0,0 +1,572 @@
+/*
+ * Copyright 2017-2019 NXP
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef _FSL_CLOCK_H_
+#define _FSL_CLOCK_H_
+
+#include "fsl_common.h"
+
+/*! @addtogroup clock */
+/*! @{ */
+
+/*! @file */
+
+/*******************************************************************************
+ * Definitions
+ *****************************************************************************/
+
+/*! @name Driver version */
+/*@{*/
+/*! @brief CLOCK driver version 2.4.2. */
+#define FSL_CLOCK_DRIVER_VERSION (MAKE_VERSION(2, 4, 2))
+/*@}*/
+
+/* Definition for delay API in clock driver, users can redefine it to the real application. */
+#ifndef SDK_DEVICE_MAXIMUM_CPU_CLOCK_FREQUENCY
+#define SDK_DEVICE_MAXIMUM_CPU_CLOCK_FREQUENCY (30000000UL)
+#endif
+
+/*! @brief watchdog oscilltor clock frequency.
+ *
+ * This variable is used to store the watchdog oscillator frequency which is
+ * set by CLOCK_InitWdtOsc, and it is returned by CLOCK_GetWdtOscFreq.
+ */
+extern volatile uint32_t g_Wdt_Osc_Freq;
+
+/*! @brief external clock frequency.
+ *
+ * This variable is used to store the external clock frequency which is include
+ * external oscillator clock and external clk in clock frequency value, it is
+ * set by CLOCK_InitExtClkin when CLK IN is used as external clock or by CLOCK_InitSysOsc
+ * when external oscillator is used as external clock ,and it is returned by
+ * CLOCK_GetExtClkFreq.
+ */
+extern volatile uint32_t g_Ext_Clk_Freq;
+
+/*! @brief Clock ip name array for ADC. */
+#define ADC_CLOCKS  \
+    {               \
+        kCLOCK_Adc, \
+    }
+/*! @brief Clock ip name array for ACMP. */
+#define ACMP_CLOCKS  \
+    {                \
+        kCLOCK_Acmp, \
+    }
+/*! @brief Clock ip name array for SWM. */
+#define SWM_CLOCKS  \
+    {               \
+        kCLOCK_Swm, \
+    }
+/*! @brief Clock ip name array for ROM. */
+#define ROM_CLOCKS  \
+    {               \
+        kCLOCK_Rom, \
+    }
+/*! @brief Clock ip name array for SRAM. */
+#define SRAM_CLOCKS    \
+    {                  \
+        kCLOCK_Ram0_1, \
+    }
+/*! @brief Clock ip name array for IOCON. */
+#define IOCON_CLOCKS  \
+    {                 \
+        kCLOCK_Iocon, \
+    }
+/*! @brief Clock ip name array for GPIO. */
+#define GPIO_CLOCKS   \
+    {                 \
+        kCLOCK_Gpio0, \
+    }
+/*! @brief Clock ip name array for GPIO_INT. */
+#define GPIO_INT_CLOCKS \
+    {                   \
+        kCLOCK_GpioInt, \
+    }
+/*! @brief Clock ip name array for DMA. */
+#define DMA_CLOCKS  \
+    {               \
+        kCLOCK_Dma, \
+    }
+/*! @brief Clock ip name array for CRC. */
+#define CRC_CLOCKS  \
+    {               \
+        kCLOCK_Crc, \
+    }
+/*! @brief Clock ip name array for WWDT. */
+#define WWDT_CLOCKS  \
+    {                \
+        kCLOCK_Wwdt, \
+    }
+/*! @brief Clock ip name array for SCT0. */
+#define SCT_CLOCKS  \
+    {               \
+        kCLOCK_Sct, \
+    }
+/*! @brief Clock ip name array for I2C. */
+#define I2C_CLOCKS                                          \
+    {                                                       \
+        kCLOCK_I2c0, kCLOCK_I2c1, kCLOCK_I2c2, kCLOCK_I2c3, \
+    }
+/*! @brief Clock ip name array for I2C. */
+#define USART_CLOCKS                              \
+    {                                             \
+        kCLOCK_Uart0, kCLOCK_Uart1, kCLOCK_Uart2, \
+    }
+/*! @brief Clock ip name array for SPI. */
+#define SPI_CLOCKS                \
+    {                             \
+        kCLOCK_Spi0, kCLOCK_Spi1, \
+    }
+/*! @brief Clock ip name array for MTB. */
+#define MTB_CLOCKS  \
+    {               \
+        kCLOCK_Mtb, \
+    }
+/*! @brief Clock ip name array for MRT. */
+#define MRT_CLOCKS  \
+    {               \
+        kCLOCK_Mrt, \
+    }
+/*! @brief Clock ip name array for WKT. */
+#define WKT_CLOCKS  \
+    {               \
+        kCLOCK_Wkt, \
+    }
+
+/*! @brief Internal used Clock definition only. */
+#define CLK_GATE_DEFINE(reg, bit)  ((((reg)&0xFFU) << 8U) | ((bit)&0xFFU))
+#define CLK_GATE_GET_REG(x)        (((x) >> 8U) & 0xFFU)
+#define CLK_GATE_GET_BITS_SHIFT(x) ((uint32_t)(x)&0xFFU)
+/* clock mux register definition */
+#define CLK_MUX_DEFINE(reg, mux)             (((offsetof(SYSCON_Type, reg) & 0xFFU) << 8U) | ((mux)&0xFFU))
+#define CLK_MUX_GET_REG(x)                   ((volatile uint32_t *)(((uint32_t)(SYSCON)) + (((uint32_t)(x) >> 8U) & 0xFFU)))
+#define CLK_MUX_GET_MUX(x)                   ((uint32_t)(x)&0xFFU)
+#define CLK_MAIN_CLK_MUX_DEFINE(preMux, mux) ((preMux) << 8U | (mux))
+#define CLK_MAIN_CLK_MUX_GET_PRE_MUX(x)      ((((uint32_t)(x)) >> 8U) & 0xFFU)
+#define CLK_MAIN_CLK_MUX_GET_MUX(x)          (((uint32_t)(x)) & 0xFFU)
+/* clock divider register definition */
+#define CLK_DIV_DEFINE(reg) (((uint32_t)offsetof(SYSCON_Type, reg)) & 0xFFFU)
+#define CLK_DIV_GET_REG(x)  *((volatile uint32_t *)(((uint32_t)(SYSCON)) + ((uint32_t)(x)&0xFFFU)))
+/* watch dog oscillator definition */
+#define CLK_WDT_OSC_DEFINE(freq, regValue) (((freq)&0xFFFFFFU) | (((regValue)&0xFFU) << 24U))
+#define CLK_WDT_OSC_GET_FREQ(x)            (((uint32_t)(x)) & 0xFFFFFFU)
+#define CLK_WDT_OSC_GET_REG(x)             (((uint32_t)(x) >> 24U) & 0xFFU)
+/* register offset */
+#define SYS_AHB_CLK_CTRL (0U)
+/*! @brief Clock gate name used for CLOCK_EnableClock/CLOCK_DisableClock. */
+typedef enum _clock_ip_name
+{
+    kCLOCK_Sys      = CLK_GATE_DEFINE(SYS_AHB_CLK_CTRL, 0U),
+    kCLOCK_Rom      = CLK_GATE_DEFINE(SYS_AHB_CLK_CTRL, 1U),
+    kCLOCK_Ram0_1   = CLK_GATE_DEFINE(SYS_AHB_CLK_CTRL, 2U),
+    kCLOCK_Flashreg = CLK_GATE_DEFINE(SYS_AHB_CLK_CTRL, 3U),
+    kCLOCK_Flash    = CLK_GATE_DEFINE(SYS_AHB_CLK_CTRL, 4U),
+    kCLOCK_I2c0     = CLK_GATE_DEFINE(SYS_AHB_CLK_CTRL, 5U),
+    kCLOCK_Gpio0    = CLK_GATE_DEFINE(SYS_AHB_CLK_CTRL, 6U),
+    kCLOCK_Swm      = CLK_GATE_DEFINE(SYS_AHB_CLK_CTRL, 7U),
+    kCLOCK_Sct      = CLK_GATE_DEFINE(SYS_AHB_CLK_CTRL, 8U),
+    kCLOCK_Wkt      = CLK_GATE_DEFINE(SYS_AHB_CLK_CTRL, 9U),
+    kCLOCK_Mrt      = CLK_GATE_DEFINE(SYS_AHB_CLK_CTRL, 10U),
+    kCLOCK_Spi0     = CLK_GATE_DEFINE(SYS_AHB_CLK_CTRL, 11U),
+    kCLOCK_Spi1     = CLK_GATE_DEFINE(SYS_AHB_CLK_CTRL, 12U),
+    kCLOCK_Crc      = CLK_GATE_DEFINE(SYS_AHB_CLK_CTRL, 13U),
+    kCLOCK_Uart0    = CLK_GATE_DEFINE(SYS_AHB_CLK_CTRL, 14U),
+    kCLOCK_Uart1    = CLK_GATE_DEFINE(SYS_AHB_CLK_CTRL, 15U),
+    kCLOCK_Uart2    = CLK_GATE_DEFINE(SYS_AHB_CLK_CTRL, 16U),
+    kCLOCK_Wwdt     = CLK_GATE_DEFINE(SYS_AHB_CLK_CTRL, 17U),
+    kCLOCK_Iocon    = CLK_GATE_DEFINE(SYS_AHB_CLK_CTRL, 18U),
+    kCLOCK_Acmp     = CLK_GATE_DEFINE(SYS_AHB_CLK_CTRL, 19U),
+    kCLOCK_I2c1     = CLK_GATE_DEFINE(SYS_AHB_CLK_CTRL, 21U),
+    kCLOCK_I2c2     = CLK_GATE_DEFINE(SYS_AHB_CLK_CTRL, 22U),
+    kCLOCK_I2c3     = CLK_GATE_DEFINE(SYS_AHB_CLK_CTRL, 23U),
+    kCLOCK_Adc      = CLK_GATE_DEFINE(SYS_AHB_CLK_CTRL, 24U),
+    kCLOCK_Mtb      = CLK_GATE_DEFINE(SYS_AHB_CLK_CTRL, 26U),
+    kCLOCK_Dma      = CLK_GATE_DEFINE(SYS_AHB_CLK_CTRL, 29U),
+} clock_ip_name_t;
+
+/*! @brief Clock name used to get clock frequency. */
+typedef enum _clock_name
+{
+    kCLOCK_CoreSysClk, /*!< Cpu/AHB/AHB matrix/Memories,etc */
+    kCLOCK_MainClk,    /*!< Main clock */
+    kCLOCK_SysOsc,     /*!< Crystal Oscillator */
+    kCLOCK_Irc,        /*!< IRC12M */
+    kCLOCK_ExtClk,     /*!< External Clock */
+    kCLOCK_PllOut,     /*!< PLL Output */
+    kCLOCK_Pllin,      /*!< PLL Input */
+    kCLOCK_WdtOsc,     /*!< Watchdog Oscillator */
+} clock_name_t;
+
+/*! @brief Clock Mux Switches
+ *CLK_MUX_DEFINE(reg, mux)
+ *reg is used to define the mux register
+ *mux is used to define the mux value
+ *
+ */
+typedef enum _clock_select
+{
+
+    kSYSPLL_From_Irc    = CLK_MUX_DEFINE(SYSPLLCLKSEL, 0U),
+    kSYSPLL_From_SysOsc = CLK_MUX_DEFINE(SYSPLLCLKSEL, 1U),
+    kSYSPLL_From_ExtClk = CLK_MUX_DEFINE(SYSPLLCLKSEL, 3U),
+
+    kMAINCLK_From_Irc      = CLK_MUX_DEFINE(MAINCLKSEL, 0U),
+    kMAINCLK_From_SysPllIn = CLK_MUX_DEFINE(MAINCLKSEL, 1U),
+    kMAINCLK_From_WdtOsc   = CLK_MUX_DEFINE(MAINCLKSEL, 2U),
+    kMAINCLK_From_SysPll   = CLK_MUX_DEFINE(MAINCLKSEL, 3U),
+
+    kCLKOUT_From_Irc     = CLK_MUX_DEFINE(CLKOUTSEL, 0U),
+    kCLKOUT_From_SysOsc  = CLK_MUX_DEFINE(CLKOUTSEL, 1U),
+    kCLKOUT_From_WdtOsc  = CLK_MUX_DEFINE(CLKOUTSEL, 2U),
+    kCLKOUT_From_MainClk = CLK_MUX_DEFINE(CLKOUTSEL, 3U)
+} clock_select_t;
+
+/*! @brief Clock divider
+ */
+typedef enum _clock_divider
+{
+
+    kCLOCK_DivUsartClk = CLK_DIV_DEFINE(UARTCLKDIV),
+    kCLOCK_DivClkOut   = CLK_DIV_DEFINE(CLKOUTDIV),
+    kCLOCK_DivUartFrg  = CLK_DIV_DEFINE(UARTFRGDIV),
+
+    kCLOCK_IOCONCLKDiv6 = CLK_DIV_DEFINE(IOCONCLKDIV6),
+    kCLOCK_IOCONCLKDiv5 = CLK_DIV_DEFINE(IOCONCLKDIV5),
+    kCLOCK_IOCONCLKDiv4 = CLK_DIV_DEFINE(IOCONCLKDIV4),
+    kCLOCK_IOCONCLKDiv3 = CLK_DIV_DEFINE(IOCONCLKDIV3),
+    kCLOCK_IOCONCLKDiv2 = CLK_DIV_DEFINE(IOCONCLKDIV2),
+    kCLOCK_IOCONCLKDiv1 = CLK_DIV_DEFINE(IOCONCLKDIV1),
+    kCLOCK_IOCONCLKDiv0 = CLK_DIV_DEFINE(IOCONCLKDIV0),
+
+} clock_divider_t;
+
+/*! @brief watch dog analog output frequency */
+typedef enum _clock_wdt_analog_freq
+{
+    kCLOCK_WdtAnaFreq0HZ     = CLK_WDT_OSC_DEFINE(0U, 0U),
+    kCLOCK_WdtAnaFreq600KHZ  = CLK_WDT_OSC_DEFINE(600000U, 1U),
+    kCLOCK_WdtAnaFreq1050KHZ = CLK_WDT_OSC_DEFINE(1050000U, 2u),
+    kCLOCK_WdtAnaFreq1400KHZ = CLK_WDT_OSC_DEFINE(1400000U, 3U),
+    kCLOCK_WdtAnaFreq1750KHZ = CLK_WDT_OSC_DEFINE(1750000U, 4U),
+    kCLOCK_WdtAnaFreq2100KHZ = CLK_WDT_OSC_DEFINE(2100000U, 5U),
+    kCLOCK_WdtAnaFreq2400KHZ = CLK_WDT_OSC_DEFINE(2400000U, 6U),
+    kCLOCK_WdtAnaFreq2700KHZ = CLK_WDT_OSC_DEFINE(2700000U, 7U),
+    kCLOCK_WdtAnaFreq3000KHZ = CLK_WDT_OSC_DEFINE(3000000U, 8U),
+    kCLOCK_WdtAnaFreq3250KHZ = CLK_WDT_OSC_DEFINE(3250000U, 9U),
+    kCLOCK_WdtAnaFreq3500KHZ = CLK_WDT_OSC_DEFINE(3500000U, 10U),
+    kCLOCK_WdtAnaFreq3750KHZ = CLK_WDT_OSC_DEFINE(3750000U, 11U),
+    kCLOCK_WdtAnaFreq4000KHZ = CLK_WDT_OSC_DEFINE(4000000U, 12U),
+    kCLOCK_WdtAnaFreq4200KHZ = CLK_WDT_OSC_DEFINE(4200000U, 13U),
+    kCLOCK_WdtAnaFreq4400KHZ = CLK_WDT_OSC_DEFINE(4400000U, 14U),
+    kCLOCK_WdtAnaFreq4600KHZ = CLK_WDT_OSC_DEFINE(4600000U, 15U),
+} clock_wdt_analog_freq_t;
+
+/*! @brief PLL clock definition.*/
+typedef enum _clock_sys_pll_src
+{
+    kCLOCK_SysPllSrcIrc    = 0U, /*!< system pll source from FRO */
+    kCLOCK_SysPllSrcSysosc = 1U, /*!< system pll source from system osc */
+    kCLOCK_SysPllSrcExtClk = 3U, /*!< system pll source from ext clkin */
+} clock_sys_pll_src;
+
+/*!< Main clock source definition */
+typedef enum _clock_main_clk_src
+{
+    kCLOCK_MainClkSrcIrc      = CLK_MAIN_CLK_MUX_DEFINE(0U, 0U), /*!< main clock source from FRO */
+    kCLOCK_MainClkSrcSysPllin = CLK_MAIN_CLK_MUX_DEFINE(1U, 0U), /*!< main clock source from pll input */
+    kCLOCK_MainClkSrcWdtOsc   = CLK_MAIN_CLK_MUX_DEFINE(2U, 0U), /*!< main clock source from watchdog oscillator */
+    kCLOCK_MainClkSrcSysPll   = CLK_MAIN_CLK_MUX_DEFINE(3U, 0U), /*!< main clock source from system pll */
+} clock_main_clk_src_t;
+
+/*! @brief PLL configuration structure */
+typedef struct _clock_sys_pll
+{
+    uint32_t targetFreq;   /*!< System pll fclk output frequency, the output frequency should be lower than 100MHZ*/
+    clock_sys_pll_src src; /*!< System pll clock source */
+} clock_sys_pll_t;
+
+/*******************************************************************************
+ * API
+ ******************************************************************************/
+
+#if defined(__cplusplus)
+extern "C" {
+#endif /* __cplusplus */
+
+/*!
+ * @name Clock gate, mux, and divider.
+ * @{
+ */
+
+/*
+ *! @brief enable ip clock.
+ *
+ * @param clk clock ip definition.
+ */
+static inline void CLOCK_EnableClock(clock_ip_name_t clk)
+{
+    SYSCON->SYSAHBCLKCTRL |= 1UL << CLK_GATE_GET_BITS_SHIFT(clk);
+}
+
+/*
+ *!@brief disable ip clock.
+ *
+ * @param clk clock ip definition.
+ */
+static inline void CLOCK_DisableClock(clock_ip_name_t clk)
+{
+    SYSCON->SYSAHBCLKCTRL &= ~(1UL << CLK_GATE_GET_BITS_SHIFT(clk));
+}
+
+/*
+ *! @brief      Configure the clock selection muxes.
+ * @param       mux     : Clock to be configured.
+ * @return      Nothing
+ */
+static inline void CLOCK_Select(clock_select_t sel)
+{
+    *(CLK_MUX_GET_REG(sel)) = CLK_MUX_GET_MUX(sel);
+}
+
+/*
+ *! @brief      Setup peripheral clock dividers.
+ * @param       name    : Clock divider name
+ * @param   value: Value to be divided
+ * @return      Nothing
+ */
+static inline void CLOCK_SetClkDivider(clock_divider_t name, uint32_t value)
+{
+    CLK_DIV_GET_REG(name) = value & 0xFFU;
+}
+
+/*
+ *! @brief  Get peripheral clock dividers.
+ * @param   name    : Clock divider name
+ * @return  clock divider value
+ */
+static inline uint32_t CLOCK_GetClkDivider(clock_divider_t name)
+{
+    return CLK_DIV_GET_REG(name) & 0xFFU;
+}
+
+/*
+ *! @brief   Setup Core clock dividers.
+ * Be careful about the core divider value, due to core/system frequency should be lower than 30MHZ.
+ * @param   value: Value to be divided
+ * @return  Nothing
+ */
+static inline void CLOCK_SetCoreSysClkDiv(uint32_t value)
+{
+    assert(value != 0U);
+
+    SYSCON->SYSAHBCLKDIV = (SYSCON->SYSAHBCLKDIV & (~SYSCON_SYSAHBCLKDIV_DIV_MASK)) | SYSCON_SYSAHBCLKDIV_DIV(value);
+}
+
+/*! @brief  Set main clock reference source.
+ * @param src, reference clock_main_clk_src_t to set the main clock source.
+ */
+void CLOCK_SetMainClkSrc(clock_main_clk_src_t src);
+
+/*
+ *! @brief      Set Fractional generator 0 multiplier value.
+ * @param       mul     : FRG0 multiplier value.
+ * @return      Nothing
+ */
+static inline void CLOCK_SetFRGClkMul(uint32_t mul)
+{
+    SYSCON->UARTFRGDIV  = SYSCON_UARTFRGDIV_DIV_MASK;
+    SYSCON->UARTFRGMULT = SYSCON_UARTFRGMULT_MULT(mul);
+}
+/* @} */
+
+/*!
+ * @name Get frequency
+ * @{
+ */
+
+/*! @brief  Return Frequency of Main Clock.
+ *  @return Frequency of Main Clock.
+ */
+uint32_t CLOCK_GetMainClkFreq(void);
+
+/*! @brief  Return Frequency of core.
+ *  @return Frequency of core.
+ */
+static inline uint32_t CLOCK_GetCoreSysClkFreq(void)
+{
+    return CLOCK_GetMainClkFreq() / (SYSCON->SYSAHBCLKDIV & 0xffU);
+}
+
+/*! @brief  Return Frequency of ClockOut
+ *  @return Frequency of ClockOut
+ */
+uint32_t CLOCK_GetClockOutClkFreq(void);
+
+/*! @brief  Return Frequency of IRC
+ *  @return Frequency of IRC
+ */
+uint32_t CLOCK_GetIrcFreq(void);
+
+/*! @brief  Return Frequency of SYSOSC
+ *  @return Frequency of SYSOSC
+ */
+uint32_t CLOCK_GetSysOscFreq(void);
+
+/*! @brief  Get UART0 frequency
+ * @retval UART0 frequency value.
+ */
+uint32_t CLOCK_GetUartClkFreq(void);
+
+/*! @brief  Get UART0 frequency
+ * @retval UART0 frequency value.
+ */
+uint32_t CLOCK_GetUart0ClkFreq(void);
+
+/*! @brief  Get UART1 frequency
+ * @retval UART1 frequency value.
+ */
+uint32_t CLOCK_GetUart1ClkFreq(void);
+
+/*! @brief  Get UART2 frequency
+ * @retval UART2 frequency value.
+ */
+uint32_t CLOCK_GetUart2ClkFreq(void);
+
+/*! @brief      Return Frequency of selected clock
+ *  @return     Frequency of selected clock
+ */
+uint32_t CLOCK_GetFreq(clock_name_t clockName);
+
+/*! @brief  Return System PLL input clock rate
+ *  @return System PLL input clock rate
+ */
+uint32_t CLOCK_GetSystemPLLInClockRate(void);
+
+/*! @brief  Return Frequency of System PLL
+ *  @return Frequency of PLL
+ */
+static inline uint32_t CLOCK_GetSystemPLLFreq(void)
+{
+    return CLOCK_GetSystemPLLInClockRate() * ((SYSCON->SYSPLLCTRL & SYSCON_SYSPLLCTRL_MSEL_MASK) + 1U);
+}
+
+/*! @brief  Get watch dog OSC frequency
+ * @retval watch dog OSC frequency value.
+ */
+static inline uint32_t CLOCK_GetWdtOscFreq(void)
+{
+    return g_Wdt_Osc_Freq;
+}
+
+/*! @brief  Get external clock frequency
+ * @retval external clock frequency value.
+ */
+static inline uint32_t CLOCK_GetExtClkFreq(void)
+{
+    return g_Ext_Clk_Freq;
+}
+/* @} */
+
+/*!
+ * @name PLL operations
+ * @{
+ */
+
+/*! @brief  System PLL initialize.
+ *  @param config System PLL configurations.
+ */
+void CLOCK_InitSystemPll(const clock_sys_pll_t *config);
+
+/*! @brief  System PLL Deinitialize.*/
+static inline void CLOCK_DenitSystemPll(void)
+{
+    /* Power off PLL */
+    SYSCON->PDRUNCFG |= SYSCON_PDRUNCFG_SYSPLL_PD_MASK;
+}
+
+/* @} */
+
+/*!
+ * @name External/internal oscillator clock operations
+ * @{
+ */
+
+/*! @brief  Init external CLK IN, select the CLKIN as the external clock source.
+ * @param clkInFreq external clock in frequency.
+ */
+void CLOCK_InitExtClkin(uint32_t clkInFreq);
+
+/*! @brief      Init SYS OSC
+ * @param oscFreq oscillator frequency value.
+ */
+void CLOCK_InitSysOsc(uint32_t oscFreq);
+
+/*! @brief  XTALIN init function
+ *  system oscillator is bypassed, sys_osc_clk is fed driectly from the XTALIN.
+ *  @param xtalInFreq XTALIN frequency value
+ *  @return Frequency of PLL
+ */
+void CLOCK_InitXtalin(uint32_t xtalInFreq);
+
+/*! @brief  Deinit SYS OSC
+ * @param config oscillator configuration.
+ */
+static inline void CLOCK_DeinitSysOsc(void)
+{
+    /* Deinit system osc power */
+    SYSCON->PDRUNCFG |= SYSCON_PDRUNCFG_SYSOSC_PD_MASK;
+}
+
+/*! @brief  Init watch dog OSC
+ * Any setting of the FREQSEL bits will yield a Fclkana value within 40% of the
+ * listed frequency value. The watchdog oscillator is the clock source with the lowest power
+ * consumption. If accurate timing is required, use the FRO or system oscillator.
+ * The frequency of the watchdog oscillator is undefined after reset. The watchdog
+ * oscillator frequency must be programmed by writing to the WDTOSCCTRL register before
+ * using the watchdog oscillator.
+ * Watchdog osc output frequency = wdtOscFreq / wdtOscDiv, should in range 9.3KHZ to 2.3MHZ.
+ * @param wdtOscFreq watch dog analog part output frequency, reference _wdt_analog_output_freq.
+ * @param wdtOscDiv watch dog analog part output frequency divider, shoule be a value >= 2U and multiple of 2
+ */
+void CLOCK_InitWdtOsc(clock_wdt_analog_freq_t wdtOscFreq, uint32_t wdtOscDiv);
+
+/*! @brief  Deinit watch dog OSC
+ * @param config oscillator configuration.
+ */
+static inline void CLOCK_DeinitWdtOsc(void)
+{
+    SYSCON->PDRUNCFG |= SYSCON_PDRUNCFG_WDTOSC_PD_MASK;
+}
+
+/*! @brief  Set UARTFRG
+ * @param target UART clock src.
+ */
+bool CLOCK_SetUARTFRGClkFreq(uint32_t freq);
+
+/*! @brief  updates the clock source of the CLKOUT
+ */
+void CLOCK_UpdateClkOUTsrc(void);
+
+/*! @brief  Set UARTFRGMULT
+ * @deprecated Do not use this function. Refer to CLOCK_SetFRGClkMul().
+ * @param UARTFRGMULT.
+ */
+static inline void CLOCK_SetUARTFRGMULT(uint32_t mul)
+{
+    SYSCON->UARTFRGMULT = SYSCON_UARTFRGMULT_MULT(mul);
+}
+
+/* @} */
+
+#if defined(__cplusplus)
+}
+#endif /* __cplusplus */
+
+/*! @} */
+
+#endif /* _FSL_CLOCK_H_ */