1 /*
2  * Copyright (c) 2016, Freescale Semiconductor, Inc.
3  * Copyright 2016 - 2019, 2021 NXP
4  * All rights reserved.
5  *
6  *
7  * SPDX-License-Identifier: BSD-3-Clause
8  */
9 
10 #ifndef _FSL_CLOCK_H_
11 #define _FSL_CLOCK_H_
12 
13 #include "fsl_common.h"
14 
15 /*! @addtogroup clock */
16 /*! @{ */
17 
18 /*! @file */
19 
20 /*******************************************************************************
21  * Definitions
22  *****************************************************************************/
23 
24 /*! @name Driver version */
25 /*@{*/
26 /*! @brief CLOCK driver version 2.4.2. */
27 #define FSL_CLOCK_DRIVER_VERSION (MAKE_VERSION(2, 4, 2))
28 /*@}*/
29 
30 /* Definition for delay API in clock driver, users can redefine it to the real application. */
31 #ifndef SDK_DEVICE_MAXIMUM_CPU_CLOCK_FREQUENCY
32 #define SDK_DEVICE_MAXIMUM_CPU_CLOCK_FREQUENCY (150000000UL)
33 #endif
34 
35 /*!
36  * @brief User-defined the size of cache for CLOCK_PllGetConfig() function.
37  *
38  * Once define this MACRO to be non-zero value, CLOCK_PllGetConfig() function
39  * would cache the recent calulation and accelerate the execution to get the
40  * right settings.
41  */
42 #ifndef CLOCK_USR_CFG_PLL_CONFIG_CACHE_COUNT
43 #define CLOCK_USR_CFG_PLL_CONFIG_CACHE_COUNT 2U
44 #endif
45 
46 /*! @brief Clock ip name array for FLEXCOMM. */
47 #define FLEXCOMM_CLOCKS                                                                                             \
48     {                                                                                                               \
49         kCLOCK_FlexComm0, kCLOCK_FlexComm1, kCLOCK_FlexComm2, kCLOCK_FlexComm3, kCLOCK_FlexComm4, kCLOCK_FlexComm5, \
50             kCLOCK_FlexComm6, kCLOCK_FlexComm7                                                                      \
51     }
52 /*! @brief Clock ip name array for LPUART. */
53 #define LPUART_CLOCKS                                                                                         \
54     {                                                                                                         \
55         kCLOCK_MinUart0, kCLOCK_MinUart1, kCLOCK_MinUart2, kCLOCK_MinUart3, kCLOCK_MinUart4, kCLOCK_MinUart5, \
56             kCLOCK_MinUart6, kCLOCK_MinUart7                                                                  \
57     }
58 
59 /*! @brief Clock ip name array for BI2C. */
60 #define BI2C_CLOCKS                                                                                                    \
61     {                                                                                                                  \
62         kCLOCK_BI2c0, kCLOCK_BI2c1, kCLOCK_BI2c2, kCLOCK_BI2c3, kCLOCK_BI2c4, kCLOCK_BI2c5, kCLOCK_BI2c6, kCLOCK_BI2c7 \
63     }
64 /*! @brief Clock ip name array for LSPI. */
65 #define LPSI_CLOCKS                                                                                                    \
66     {                                                                                                                  \
67         kCLOCK_LSpi0, kCLOCK_LSpi1, kCLOCK_LSpi2, kCLOCK_LSpi3, kCLOCK_LSpi4, kCLOCK_LSpi5, kCLOCK_LSpi6, kCLOCK_LSpi7 \
68     }
69 /*! @brief Clock ip name array for FLEXI2S. */
70 #define FLEXI2S_CLOCKS                                                                                        \
71     {                                                                                                         \
72         kCLOCK_FlexI2s0, kCLOCK_FlexI2s1, kCLOCK_FlexI2s2, kCLOCK_FlexI2s3, kCLOCK_FlexI2s4, kCLOCK_FlexI2s5, \
73             kCLOCK_FlexI2s6, kCLOCK_FlexI2s7                                                                  \
74     }
75 /*! @brief Clock ip name array for UTICK. */
76 #define UTICK_CLOCKS \
77     {                \
78         kCLOCK_Utick \
79     }
80 /*! @brief Clock ip name array for DMA. */
81 #define DMA_CLOCKS \
82     {              \
83         kCLOCK_Dma \
84     }
85 /*! @brief Clock ip name array for CT32B. */
86 #define CTIMER_CLOCKS                                                    \
87     {                                                                    \
88         kCLOCK_Ctimer0, kCLOCK_Ctimer1, kCLOCK_IpInvalid, kCLOCK_Ctimer3 \
89     }
90 
91 /*! @brief Clock ip name array for GPIO. */
92 #define GPIO_CLOCKS                \
93     {                              \
94         kCLOCK_Gpio0, kCLOCK_Gpio1 \
95     }
96 /*! @brief Clock ip name array for ADC. */
97 #define ADC_CLOCKS  \
98     {               \
99         kCLOCK_Adc0 \
100     }
101 /*! @brief Clock ip name array for MRT. */
102 #define MRT_CLOCKS \
103     {              \
104         kCLOCK_Mrt \
105     }
106 /*! @brief Clock ip name array for MRT. */
107 #define SCT_CLOCKS  \
108     {               \
109         kCLOCK_Sct0 \
110     }
111 /*! @brief Clock ip name array for RTC. */
112 #define RTC_CLOCKS \
113     {              \
114         kCLOCK_Rtc \
115     }
116 /*! @brief Clock ip name array for WWDT. */
117 #define WWDT_CLOCKS \
118     {               \
119         kCLOCK_Wwdt \
120     }
121 /*! @brief Clock ip name array for CRC. */
122 #define CRC_CLOCKS \
123     {              \
124         kCLOCK_Crc \
125     }
126 /*! @brief Clock ip name array for USBD. */
127 #define USBD_CLOCKS  \
128     {                \
129         kCLOCK_Usbd0 \
130     }
131 
132 /*! @brief Clock ip name array for GINT. GINT0 & GINT1 share same slot */
133 #define GINT_CLOCKS              \
134     {                            \
135         kCLOCK_Gint, kCLOCK_Gint \
136     }
137 
138 /*! @brief Clock gate name used for CLOCK_EnableClock/CLOCK_DisableClock. */
139 /*------------------------------------------------------------------------------
140  clock_ip_name_t definition:
141 ------------------------------------------------------------------------------*/
142 
143 #define CLK_GATE_REG_OFFSET_SHIFT 8U
144 #define CLK_GATE_REG_OFFSET_MASK  0xFFFFFF00U
145 #define CLK_GATE_BIT_SHIFT_SHIFT  0U
146 #define CLK_GATE_BIT_SHIFT_MASK   0x000000FFU
147 
148 #define CLK_GATE_DEFINE(reg_offset, bit_shift)                                  \
149     ((((reg_offset) << CLK_GATE_REG_OFFSET_SHIFT) & CLK_GATE_REG_OFFSET_MASK) | \
150      (((bit_shift) << CLK_GATE_BIT_SHIFT_SHIFT) & CLK_GATE_BIT_SHIFT_MASK))
151 
152 #define CLK_GATE_ABSTRACT_REG_OFFSET(x) (((uint32_t)(x)&CLK_GATE_REG_OFFSET_MASK) >> CLK_GATE_REG_OFFSET_SHIFT)
153 #define CLK_GATE_ABSTRACT_BITS_SHIFT(x) (((uint32_t)(x)&CLK_GATE_BIT_SHIFT_MASK) >> CLK_GATE_BIT_SHIFT_SHIFT)
154 
155 #define AHB_CLK_CTRL0   0
156 #define AHB_CLK_CTRL1   1
157 #define ASYNC_CLK_CTRL0 2
158 
159 /*! @brief Clock gate name used for CLOCK_EnableClock/CLOCK_DisableClock. */
160 typedef enum _clock_ip_name
161 {
162     kCLOCK_IpInvalid = 0U,                                /*!< Invalid Ip Name. */
163     kCLOCK_Rom       = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 1), /*!< Clock gate name: Rom. */
164 
165     kCLOCK_Flash = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 7), /*!< Clock gate name: Flash. */
166 
167     kCLOCK_Fmc = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 8), /*!< Clock gate name: Fmc. */
168 
169     kCLOCK_InputMux = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 11), /*!< Clock gate name: InputMux. */
170 
171     kCLOCK_Iocon = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 13), /*!< Clock gate name: Iocon. */
172 
173     kCLOCK_Gpio0 = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 14), /*!< Clock gate name: Gpio0. */
174 
175     kCLOCK_Gpio1 = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 15), /*!< Clock gate name: Gpio1. */
176 
177     kCLOCK_Pint = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 18), /*!< Clock gate name: Pint. */
178 
179     kCLOCK_Gint = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 19), /*!< Clock gate name: Gint,
180                                                         GPIO_GLOBALINT0 and GPIO_GLOBALINT1 share the same slot  */
181     kCLOCK_Dma = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 20),  /*!< Clock gate name: Dma. */
182 
183     kCLOCK_Crc = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 21), /*!< Clock gate name: Crc. */
184 
185     kCLOCK_Wwdt = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 22), /*!< Clock gate name: Wwdt. */
186 
187     kCLOCK_Rtc = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 23), /*!< Clock gate name: Rtc. */
188 
189     kCLOCK_Adc0 = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 27), /*!< Clock gate name: Adc0. */
190 
191     kCLOCK_Mrt = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 0), /*!< Clock gate name: Mrt. */
192 
193     kCLOCK_Sct0 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 2), /*!< Clock gate name: Sct0. */
194 
195     kCLOCK_Utick = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 10), /*!< Clock gate name: Utick. */
196 
197     kCLOCK_FlexComm0 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 11), /*!< Clock gate name: FlexComm0. */
198 
199     kCLOCK_FlexComm1 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 12), /*!< Clock gate name: FlexComm1. */
200 
201     kCLOCK_FlexComm2 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 13), /*!< Clock gate name: FlexComm2. */
202 
203     kCLOCK_FlexComm3 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 14), /*!< Clock gate name: FlexComm3. */
204 
205     kCLOCK_FlexComm4 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 15), /*!< Clock gate name: FlexComm4. */
206 
207     kCLOCK_FlexComm5 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 16), /*!< Clock gate name: FlexComm5. */
208 
209     kCLOCK_FlexComm6 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 17), /*!< Clock gate name: FlexComm6. */
210 
211     kCLOCK_FlexComm7 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 18), /*!< Clock gate name: FlexComm7. */
212 
213     kCLOCK_MinUart0 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 11), /*!< Clock gate name: MinUart0. */
214 
215     kCLOCK_MinUart1 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 12), /*!< Clock gate name: MinUart1. */
216 
217     kCLOCK_MinUart2 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 13), /*!< Clock gate name: MinUart2. */
218 
219     kCLOCK_MinUart3 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 14), /*!< Clock gate name: MinUart3. */
220 
221     kCLOCK_MinUart4 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 15), /*!< Clock gate name: MinUart4. */
222 
223     kCLOCK_MinUart5 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 16), /*!< Clock gate name: MinUart5. */
224 
225     kCLOCK_MinUart6 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 17), /*!< Clock gate name: MinUart6. */
226 
227     kCLOCK_MinUart7 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 18), /*!< Clock gate name: MinUart7. */
228 
229     kCLOCK_LSpi0 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 11), /*!< Clock gate name: LSpi0. */
230 
231     kCLOCK_LSpi1 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 12), /*!< Clock gate name: LSpi1. */
232 
233     kCLOCK_LSpi2 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 13), /*!< Clock gate name: LSpi2. */
234 
235     kCLOCK_LSpi3 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 14), /*!< Clock gate name: LSpi3. */
236 
237     kCLOCK_LSpi4 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 15), /*!< Clock gate name: LSpi4. */
238 
239     kCLOCK_LSpi5 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 16), /*!< Clock gate name: LSpi5. */
240 
241     kCLOCK_LSpi6 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 17), /*!< Clock gate name: LSpi6. */
242 
243     kCLOCK_LSpi7 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 18), /*!< Clock gate name: LSpi7. */
244 
245     kCLOCK_BI2c0 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 11), /*!< Clock gate name: BI2c0. */
246 
247     kCLOCK_BI2c1 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 12), /*!< Clock gate name: BI2c1. */
248 
249     kCLOCK_BI2c2 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 13), /*!< Clock gate name: BI2c2. */
250 
251     kCLOCK_BI2c3 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 14), /*!< Clock gate name: BI2c3. */
252 
253     kCLOCK_BI2c4 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 15), /*!< Clock gate name: BI2c4. */
254 
255     kCLOCK_BI2c5 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 16), /*!< Clock gate name: BI2c5. */
256 
257     kCLOCK_BI2c6 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 17), /*!< Clock gate name: BI2c6. */
258 
259     kCLOCK_BI2c7 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 18), /*!< Clock gate name: BI2c7. */
260 
261     kCLOCK_FlexI2s0 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 11), /*!< Clock gate name: FlexI2s0. */
262 
263     kCLOCK_FlexI2s1 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 12), /*!< Clock gate name: FlexI2s1. */
264 
265     kCLOCK_FlexI2s2 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 13), /*!< Clock gate name: FlexI2s2. */
266 
267     kCLOCK_FlexI2s3 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 14), /*!< Clock gate name: FlexI2s3. */
268 
269     kCLOCK_FlexI2s4 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 15), /*!< Clock gate name: FlexI2s4. */
270 
271     kCLOCK_FlexI2s5 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 16), /*!< Clock gate name: FlexI2s5. */
272 
273     kCLOCK_FlexI2s6 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 17), /*!< Clock gate name: FlexI2s6. */
274 
275     kCLOCK_FlexI2s7 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 18), /*!< Clock gate name: FlexI2s7. */
276 
277     kCLOCK_Ct32b2 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 22), /*!< Clock gate name: Ct32b2. */
278 
279     kCLOCK_Usbd0 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 25), /*!< Clock gate name: Usbd0. */
280 
281     kCLOCK_Ctimer0 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 26), /*!< Clock gate name: Ctimer0. */
282 
283     kCLOCK_Ctimer1 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 27), /*!< Clock gate name: Ctimer1. */
284 
285     kCLOCK_Ctimer3 = CLK_GATE_DEFINE(ASYNC_CLK_CTRL0, 13), /*!< Clock gate name: Ctimer3. */
286 
287 } clock_ip_name_t;
288 
289 /*! @brief Clock name used to get clock frequency. */
290 typedef enum _clock_name
291 {
292     kCLOCK_CoreSysClk,  /*!< Core/system clock  (aka MAIN_CLK)                       */
293     kCLOCK_BusClk,      /*!< Bus clock (AHB clock)                                   */
294     kCLOCK_ClockOut,    /*!< CLOCKOUT                                                */
295     kCLOCK_FroHf,       /*!< FRO48/96                                                */
296     kCLOCK_Fro12M,      /*!< FRO12M                                                  */
297     kCLOCK_ExtClk,      /*!< External Clock                                          */
298     kCLOCK_PllOut,      /*!< PLL Output                                              */
299     kCLOCK_WdtOsc,      /*!< Watchdog Oscillator                                     */
300     kCLOCK_Frg,         /*!< Frg Clock                                               */
301     kCLOCK_AsyncApbClk, /*!< Async APB clock										 */
302     kCLOCK_FlexI2S,     /*!< FlexI2S clock                                           */
303 } clock_name_t;
304 
305 /**
306  * @brief Clock source selections for the asynchronous APB clock.
307  */
308 typedef enum _async_clock_src
309 {
310     kCLOCK_AsyncMainClk = 0, /*!< Main System clock */
311     kCLOCK_AsyncFro12Mhz,    /*!< 12MHz FRO */
312 } async_clock_src_t;
313 
314 /*! @brief Clock Mux Switches
315  *  The encoding is as follows each connection identified is 32bits wide while 24bits are valuable
316  *  starting from LSB upwards
317  *
318  *  [4 bits for choice, 0 means invalid choice] [8 bits mux ID]*
319  *
320  */
321 
322 #define CLK_ATTACH_ID(mux, sel, pos) ((((uint32_t)(mux) << 0U) | (((uint32_t)(sel) + 1U) & 0xFU) << 8U) << ((pos)*12U))
323 #define MUX_A(mux, sel)              CLK_ATTACH_ID((mux), (sel), 0U)
324 #define MUX_B(mux, sel, selector)    (CLK_ATTACH_ID((mux), (sel), 1U) | ((selector) << 24U))
325 
326 #define GET_ID_ITEM(connection)      ((connection)&0xFFFU)
327 #define GET_ID_NEXT_ITEM(connection) ((connection) >> 12U)
328 #define GET_ID_ITEM_MUX(connection)  ((uint8_t)((connection)&0xFFU))
329 #define GET_ID_ITEM_SEL(connection)  ((uint8_t)(((connection)&0xF00U) >> 8U) - 1U)
330 #define GET_ID_SELECTOR(connection)  ((connection)&0xF000000U)
331 
332 #define CM_MAINCLKSELA      0
333 #define CM_MAINCLKSELB      1
334 #define CM_CLKOUTCLKSELA    2
335 #define CM_CLKOUTCLKSELB    3
336 #define CM_SYSPLLCLKSEL     4
337 #define CM_USBPLLCLKSEL     5
338 #define CM_AUDPLLCLKSEL     6
339 #define CM_SCTPLLCLKSEL     7
340 #define CM_ADCASYNCCLKSEL   9
341 #define CM_USBCLKSEL        10
342 #define CM_USB1CLKSEL       11
343 #define CM_FXCOMCLKSEL0     12
344 #define CM_FXCOMCLKSEL1     13
345 #define CM_FXCOMCLKSEL2     14
346 #define CM_FXCOMCLKSEL3     15
347 #define CM_FXCOMCLKSEL4     16
348 #define CM_FXCOMCLKSEL5     17
349 #define CM_FXCOMCLKSEL6     18
350 #define CM_FXCOMCLKSEL7     19
351 #define CM_FXCOMCLKSEL8     20
352 #define CM_FXCOMCLKSEL9     21
353 #define CM_FXCOMCLKSEL10    22
354 #define CM_FXCOMCLKSEL11    23
355 #define CM_FXI2S0MCLKCLKSEL 24
356 #define CM_FXI2S1MCLKCLKSEL 25
357 #define CM_FRGCLKSEL        26
358 
359 #define CM_ASYNCAPB 28U
360 
361 /*!
362  * @brief The enumerator of clock attach Id.
363  */
364 typedef enum _clock_attach_id
365 {
366 
367     kFRO12M_to_MAIN_CLK = MUX_A(CM_MAINCLKSELA, 0) | MUX_B(CM_MAINCLKSELB, 0, 0), /*!< Attach FRO12M to MAIN_CLK. */
368 
369     kEXT_CLK_to_MAIN_CLK = MUX_A(CM_MAINCLKSELA, 1) | MUX_B(CM_MAINCLKSELB, 0, 0), /*!< Attach EXT_CLK to MAIN_CLK. */
370 
371     kWDT_OSC_to_MAIN_CLK = MUX_A(CM_MAINCLKSELA, 2) | MUX_B(CM_MAINCLKSELB, 0, 0), /*!< Attach WDT_OSC to MAIN_CLK. */
372 
373     kFRO_HF_to_MAIN_CLK = MUX_A(CM_MAINCLKSELA, 3) | MUX_B(CM_MAINCLKSELB, 0, 0), /*!< Attach FRO_HF to MAIN_CLK. */
374 
375     kSYS_PLL_to_MAIN_CLK = MUX_A(CM_MAINCLKSELA, 0) | MUX_B(CM_MAINCLKSELB, 2, 0), /*!< Attach SYS_PLL to MAIN_CLK. */
376 
377     kOSC32K_to_MAIN_CLK = MUX_A(CM_MAINCLKSELA, 0) | MUX_B(CM_MAINCLKSELB, 3, 0), /*!< Attach OSC32K to MAIN_CLK. */
378 
379     kFRO12M_to_SYS_PLL = MUX_A(CM_SYSPLLCLKSEL, 0), /*!< Attach FRO12M to SYS_PLL. */
380 
381     kEXT_CLK_to_SYS_PLL = MUX_A(CM_SYSPLLCLKSEL, 1), /*!< Attach EXT_CLK to SYS_PLL. */
382 
383     kWDT_OSC_to_SYS_PLL = MUX_A(CM_SYSPLLCLKSEL, 2), /*!< Attach WDT_OSC to SYS_PLL. */
384 
385     kOSC32K_to_SYS_PLL = MUX_A(CM_SYSPLLCLKSEL, 3), /*!< Attach OSC32K to SYS_PLL. */
386 
387     kNONE_to_SYS_PLL = MUX_A(CM_SYSPLLCLKSEL, 7), /*!< Attach NONE to SYS_PLL. */
388 
389     kMAIN_CLK_to_ASYNC_APB = MUX_A(CM_ASYNCAPB, 0), /*!< Attach MAIN_CLK to ASYNC_APB. */
390 
391     kFRO12M_to_ASYNC_APB = MUX_A(CM_ASYNCAPB, 1), /*!< Attach FRO12M to ASYNC_APB. */
392 
393     kMAIN_CLK_to_ADC_CLK = MUX_A(CM_ADCASYNCCLKSEL, 0), /*!< Attach MAIN_CLK to ADC_CLK. */
394 
395     kSYS_PLL_to_ADC_CLK = MUX_A(CM_ADCASYNCCLKSEL, 1), /*!< Attach SYS_PLL to ADC_CLK. */
396 
397     kFRO_HF_to_ADC_CLK = MUX_A(CM_ADCASYNCCLKSEL, 2), /*!< Attach FRO_HF to ADC_CLK. */
398 
399     kNONE_to_ADC_CLK = MUX_A(CM_ADCASYNCCLKSEL, 7), /*!< Attach NONE to ADC_CLK. */
400 
401     kFRO12M_to_FLEXCOMM0 = MUX_A(CM_FXCOMCLKSEL0, 0), /*!< Attach FRO12M to FLEXCOMM0. */
402 
403     kFRO_HF_to_FLEXCOMM0 = MUX_A(CM_FXCOMCLKSEL0, 1), /*!< Attach FRO_HF to FLEXCOMM0. */
404 
405     kSYS_PLL_to_FLEXCOMM0 = MUX_A(CM_FXCOMCLKSEL0, 2), /*!< Attach SYS_PLL to FLEXCOMM0. */
406 
407     kMCLK_to_FLEXCOMM0 = MUX_A(CM_FXCOMCLKSEL0, 3), /*!< Attach MCLK to FLEXCOMM0. */
408 
409     kFRG_to_FLEXCOMM0 = MUX_A(CM_FXCOMCLKSEL0, 4), /*!< Attach FRG to FLEXCOMM0. */
410 
411     kNONE_to_FLEXCOMM0 = MUX_A(CM_FXCOMCLKSEL0, 7), /*!< Attach NONE to FLEXCOMM0. */
412 
413     kFRO12M_to_FLEXCOMM1 = MUX_A(CM_FXCOMCLKSEL1, 0), /*!< Attach FRO12M to FLEXCOMM1. */
414 
415     kFRO_HF_to_FLEXCOMM1 = MUX_A(CM_FXCOMCLKSEL1, 1), /*!< Attach FRO_HF to FLEXCOMM1. */
416 
417     kSYS_PLL_to_FLEXCOMM1 = MUX_A(CM_FXCOMCLKSEL1, 2), /*!< Attach SYS_PLL to FLEXCOMM1. */
418 
419     kMCLK_to_FLEXCOMM1 = MUX_A(CM_FXCOMCLKSEL1, 3), /*!< Attach MCLK to FLEXCOMM1. */
420 
421     kFRG_to_FLEXCOMM1 = MUX_A(CM_FXCOMCLKSEL1, 4), /*!< Attach FRG to FLEXCOMM1. */
422 
423     kNONE_to_FLEXCOMM1 = MUX_A(CM_FXCOMCLKSEL1, 7), /*!< Attach NONE to FLEXCOMM1. */
424 
425     kFRO12M_to_FLEXCOMM2 = MUX_A(CM_FXCOMCLKSEL2, 0), /*!< Attach FRO12M to FLEXCOMM2. */
426 
427     kFRO_HF_to_FLEXCOMM2 = MUX_A(CM_FXCOMCLKSEL2, 1), /*!< Attach FRO_HF to FLEXCOMM2. */
428 
429     kSYS_PLL_to_FLEXCOMM2 = MUX_A(CM_FXCOMCLKSEL2, 2), /*!< Attach SYS_PLL to FLEXCOMM2. */
430 
431     kMCLK_to_FLEXCOMM2 = MUX_A(CM_FXCOMCLKSEL2, 3), /*!< Attach MCLK to FLEXCOMM2. */
432 
433     kFRG_to_FLEXCOMM2 = MUX_A(CM_FXCOMCLKSEL2, 4), /*!< Attach FRG to FLEXCOMM2. */
434 
435     kNONE_to_FLEXCOMM2 = MUX_A(CM_FXCOMCLKSEL2, 7), /*!< Attach NONE to FLEXCOMM2. */
436 
437     kFRO12M_to_FLEXCOMM3 = MUX_A(CM_FXCOMCLKSEL3, 0), /*!< Attach FRO12M to FLEXCOMM3. */
438 
439     kFRO_HF_to_FLEXCOMM3 = MUX_A(CM_FXCOMCLKSEL3, 1), /*!< Attach FRO_HF to FLEXCOMM3. */
440 
441     kSYS_PLL_to_FLEXCOMM3 = MUX_A(CM_FXCOMCLKSEL3, 2), /*!< Attach SYS_PLL to FLEXCOMM3. */
442 
443     kMCLK_to_FLEXCOMM3 = MUX_A(CM_FXCOMCLKSEL3, 3), /*!< Attach MCLK to FLEXCOMM3. */
444 
445     kFRG_to_FLEXCOMM3 = MUX_A(CM_FXCOMCLKSEL3, 4), /*!< Attach FRG to FLEXCOMM3. */
446 
447     kNONE_to_FLEXCOMM3 = MUX_A(CM_FXCOMCLKSEL3, 7), /*!< Attach NONE to FLEXCOMM3. */
448 
449     kFRO12M_to_FLEXCOMM4 = MUX_A(CM_FXCOMCLKSEL4, 0), /*!< Attach FRO12M to FLEXCOMM4. */
450 
451     kFRO_HF_to_FLEXCOMM4 = MUX_A(CM_FXCOMCLKSEL4, 1), /*!< Attach FRO_HF to FLEXCOMM4. */
452 
453     kSYS_PLL_to_FLEXCOMM4 = MUX_A(CM_FXCOMCLKSEL4, 2), /*!< Attach SYS_PLL to FLEXCOMM4. */
454 
455     kMCLK_to_FLEXCOMM4 = MUX_A(CM_FXCOMCLKSEL4, 3), /*!< Attach MCLK to FLEXCOMM4. */
456 
457     kFRG_to_FLEXCOMM4 = MUX_A(CM_FXCOMCLKSEL4, 4), /*!< Attach FRG to FLEXCOMM4. */
458 
459     kNONE_to_FLEXCOMM4 = MUX_A(CM_FXCOMCLKSEL4, 7), /*!< Attach NONE to FLEXCOMM4. */
460 
461     kFRO12M_to_FLEXCOMM5 = MUX_A(CM_FXCOMCLKSEL5, 0), /*!< Attach FRO12M to FLEXCOMM5. */
462 
463     kFRO_HF_to_FLEXCOMM5 = MUX_A(CM_FXCOMCLKSEL5, 1), /*!< Attach FRO_HF to FLEXCOMM5. */
464 
465     kSYS_PLL_to_FLEXCOMM5 = MUX_A(CM_FXCOMCLKSEL5, 2), /*!< Attach SYS_PLL to FLEXCOMM5. */
466 
467     kMCLK_to_FLEXCOMM5 = MUX_A(CM_FXCOMCLKSEL5, 3), /*!< Attach MCLK to FLEXCOMM5. */
468 
469     kFRG_to_FLEXCOMM5 = MUX_A(CM_FXCOMCLKSEL5, 4), /*!< Attach FRG to FLEXCOMM5. */
470 
471     kNONE_to_FLEXCOMM5 = MUX_A(CM_FXCOMCLKSEL5, 7), /*!< Attach NONE to FLEXCOMM5. */
472 
473     kFRO12M_to_FLEXCOMM6 = MUX_A(CM_FXCOMCLKSEL6, 0), /*!< Attach FRO12M to FLEXCOMM6. */
474 
475     kFRO_HF_to_FLEXCOMM6 = MUX_A(CM_FXCOMCLKSEL6, 1), /*!< Attach FRO_HF to FLEXCOMM6. */
476 
477     kSYS_PLL_to_FLEXCOMM6 = MUX_A(CM_FXCOMCLKSEL6, 2), /*!< Attach SYS_PLL to FLEXCOMM6. */
478 
479     kMCLK_to_FLEXCOMM6 = MUX_A(CM_FXCOMCLKSEL6, 3), /*!< Attach MCLK to FLEXCOMM6. */
480 
481     kFRG_to_FLEXCOMM6 = MUX_A(CM_FXCOMCLKSEL6, 4), /*!< Attach FRG to FLEXCOMM6. */
482 
483     kNONE_to_FLEXCOMM6 = MUX_A(CM_FXCOMCLKSEL6, 7), /*!< Attach NONE to FLEXCOMM6. */
484 
485     kFRO12M_to_FLEXCOMM7 = MUX_A(CM_FXCOMCLKSEL7, 0), /*!< Attach FRO12M to FLEXCOMM7. */
486 
487     kFRO_HF_to_FLEXCOMM7 = MUX_A(CM_FXCOMCLKSEL7, 1), /*!< Attach FRO_HF to FLEXCOMM7. */
488 
489     kSYS_PLL_to_FLEXCOMM7 = MUX_A(CM_FXCOMCLKSEL7, 2), /*!< Attach SYS_PLL to FLEXCOMM7. */
490 
491     kMCLK_to_FLEXCOMM7 = MUX_A(CM_FXCOMCLKSEL7, 3), /*!< Attach MCLK to FLEXCOMM7. */
492 
493     kFRG_to_FLEXCOMM7 = MUX_A(CM_FXCOMCLKSEL7, 4), /*!< Attach FRG to FLEXCOMM7. */
494 
495     kNONE_to_FLEXCOMM7 = MUX_A(CM_FXCOMCLKSEL7, 7), /*!< Attach NONE to FLEXCOMM7. */
496 
497     kMAIN_CLK_to_FRG = MUX_A(CM_FRGCLKSEL, 0), /*!< Attach MAIN_CLK to FRG. */
498 
499     kSYS_PLL_to_FRG = MUX_A(CM_FRGCLKSEL, 1), /*!< Attach SYS_PLL to FRG. */
500 
501     kFRO12M_to_FRG = MUX_A(CM_FRGCLKSEL, 2), /*!< Attach FRO12M to FRG. */
502 
503     kFRO_HF_to_FRG = MUX_A(CM_FRGCLKSEL, 3), /*!< Attach FRO_HF to FRG. */
504 
505     kNONE_to_FRG = MUX_A(CM_FRGCLKSEL, 7), /*!< Attach NONE to FRG. */
506 
507     kFRO_HF_to_MCLK = MUX_A(CM_FXI2S0MCLKCLKSEL, 0), /*!< Attach FRO_HF to MCLK. */
508 
509     kSYS_PLL_to_MCLK = MUX_A(CM_FXI2S0MCLKCLKSEL, 1), /*!< Attach SYS_PLL to MCLK. */
510 
511     kMAIN_CLK_to_MCLK = MUX_A(CM_FXI2S0MCLKCLKSEL, 2), /*!< Attach MAIN_CLK to MCLK. */
512 
513     kNONE_to_MCLK = MUX_A(CM_FXI2S0MCLKCLKSEL, 7), /*!< Attach NONE to MCLK. */
514 
515     kFRO_HF_to_USB_CLK = MUX_A(CM_USBCLKSEL, 0), /*!< Attach FRO_HF to USB_CLK. */
516 
517     kSYS_PLL_to_USB_CLK = MUX_A(CM_USBCLKSEL, 1), /*!< Attach SYS_PLL to USB_CLK. */
518 
519     kMAIN_CLK_to_USB_CLK = MUX_A(CM_USBCLKSEL, 2), /*!< Attach MAIN_CLK to USB_CLK. */
520 
521     kNONE_to_USB_CLK = MUX_A(CM_USBCLKSEL, 7), /*!< Attach NONE to USB_CLK. */
522 
523     kMAIN_CLK_to_CLKOUT = MUX_A(CM_CLKOUTCLKSELA, 0), /*!< Attach MAIN_CLK to CLKOUT. */
524 
525     kEXT_CLK_to_CLKOUT = MUX_A(CM_CLKOUTCLKSELA, 1), /*!< Attach EXT_CLK to CLKOUT. */
526 
527     kWDT_OSC_to_CLKOUT = MUX_A(CM_CLKOUTCLKSELA, 2), /*!< Attach WDT_OSC to CLKOUT. */
528 
529     kFRO_HF_to_CLKOUT = MUX_A(CM_CLKOUTCLKSELA, 3), /*!< Attach FRO_HF to CLKOUT. */
530 
531     kSYS_PLL_to_CLKOUT = MUX_A(CM_CLKOUTCLKSELA, 4), /*!< Attach SYS_PLL to CLKOUT. */
532 
533     kFRO12M_to_CLKOUT = MUX_A(CM_CLKOUTCLKSELA, 5), /*!< Attach FRO12M to CLKOUT. */
534 
535     kOSC32K_to_CLKOUT = MUX_A(CM_CLKOUTCLKSELA, 6), /*!< Attach OSC32K to CLKOUT. */
536 
537     kNONE_to_CLKOUT = MUX_A(CM_CLKOUTCLKSELA, 7), /*!< Attach NONE to CLKOUT. */
538 
539     kNONE_to_NONE = (int)0x80000000U, /*!< Attach NONE to NONE. */
540 
541 } clock_attach_id_t;
542 
543 /*! @brief Clock dividers. */
544 typedef enum _clock_div_name
545 {
546     kCLOCK_DivSystickClk  = 0,  /*!< Systick clock divider. */
547     kCLOCK_DivTraceClk    = 1,  /*!< Trace clock divider. */
548     kCLOCK_DivAhbClk      = 32, /*!< Ahb clock divider. */
549     kCLOCK_DivClkOut      = 33, /*!< Clock out divider. */
550     kCLOCK_DivAdcAsyncClk = 37, /*!< Adc Async clock divider. */
551     kCLOCK_DivUsbClk      = 38, /*!< Usb clock divier. */
552     kCLOCK_DivFrg         = 40, /*!< Frg clock divider. */
553     kCLOCK_DivFxI2s0MClk  = 43  /*!< FxI2S0 clock divider. */
554 } clock_div_name_t;
555 
556 /*******************************************************************************
557  * API
558  ******************************************************************************/
559 
560 #if defined(__cplusplus)
561 extern "C" {
562 #endif /* __cplusplus */
563 
CLOCK_EnableClock(clock_ip_name_t clk)564 static inline void CLOCK_EnableClock(clock_ip_name_t clk)
565 {
566     uint32_t index = CLK_GATE_ABSTRACT_REG_OFFSET(clk);
567     if (index < 2UL)
568     {
569         SYSCON->AHBCLKCTRLSET[index] = (1UL << CLK_GATE_ABSTRACT_BITS_SHIFT(clk));
570     }
571     else
572     {
573         ASYNC_SYSCON->ASYNCAPBCLKCTRLSET = (1UL << CLK_GATE_ABSTRACT_BITS_SHIFT(clk));
574     }
575 }
576 
CLOCK_DisableClock(clock_ip_name_t clk)577 static inline void CLOCK_DisableClock(clock_ip_name_t clk)
578 {
579     uint32_t index = CLK_GATE_ABSTRACT_REG_OFFSET(clk);
580     if (index < 2UL)
581     {
582         SYSCON->AHBCLKCTRLCLR[index] = (1UL << CLK_GATE_ABSTRACT_BITS_SHIFT(clk));
583     }
584     else
585     {
586         ASYNC_SYSCON->ASYNCAPBCLKCTRLCLR = (1UL << CLK_GATE_ABSTRACT_BITS_SHIFT(clk));
587     }
588 }
589 /**
590  * @brief FLASH Access time definitions
591  */
592 typedef enum _clock_flashtim
593 {
594     kCLOCK_Flash1Cycle = 0, /*!< Flash accesses use 1 CPU clock */
595     kCLOCK_Flash2Cycle,     /*!< Flash accesses use 2 CPU clocks */
596     kCLOCK_Flash3Cycle,     /*!< Flash accesses use 3 CPU clocks */
597     kCLOCK_Flash4Cycle,     /*!< Flash accesses use 4 CPU clocks */
598     kCLOCK_Flash5Cycle,     /*!< Flash accesses use 5 CPU clocks */
599     kCLOCK_Flash6Cycle,     /*!< Flash accesses use 6 CPU clocks */
600     kCLOCK_Flash7Cycle,     /*!< Flash accesses use 7 CPU clocks */
601 } clock_flashtim_t;
602 
603 /**
604  * @brief	Set FLASH memory access time in clocks
605  * @param	clks	: Clock cycles for FLASH access
606  * @return	Nothing
607  */
CLOCK_SetFLASHAccessCycles(clock_flashtim_t clks)608 static inline void CLOCK_SetFLASHAccessCycles(clock_flashtim_t clks)
609 {
610     uint32_t tmp;
611 
612     tmp = SYSCON->FLASHCFG & ~(SYSCON_FLASHCFG_FLASHTIM_MASK);
613 
614     /* Don't alter lower bits */
615     SYSCON->FLASHCFG = tmp | ((uint32_t)clks << SYSCON_FLASHCFG_FLASHTIM_SHIFT);
616 }
617 
618 /**
619  * @brief	Initialize the Core clock to given frequency (12, 48 or 96 MHz).
620  * Turns on FRO and uses default CCO, if freq is 12000000, then high speed output is off, else high speed output is
621  * enabled.
622  * @param	iFreq	: Desired frequency (must be one of CLK_FRO_12MHZ or CLK_FRO_48MHZ or CLK_FRO_96MHZ)
623  * @return	returns success or fail status.
624  */
625 status_t CLOCK_SetupFROClocking(uint32_t iFreq);
626 /**
627  * @brief	Configure the clock selection muxes.
628  * @param	connection	: Clock to be configured.
629  * @return	Nothing
630  */
631 void CLOCK_AttachClk(clock_attach_id_t connection);
632 /**
633  * @brief   Get the actual clock attach id.
634  * This fuction uses the offset in input attach id, then it reads the actual source value in
635  * the register and combine the offset to obtain an actual attach id.
636  * @param   attachId  : Clock attach id to get.
637  * @return  Clock source value.
638  */
639 clock_attach_id_t CLOCK_GetClockAttachId(clock_attach_id_t attachId);
640 /**
641  * @brief	Setup peripheral clock dividers.
642  * @param	div_name	: Clock divider name
643  * @param divided_by_value: Value to be divided
644  * @param reset :  Whether to reset the divider counter.
645  * @return	Nothing
646  */
647 void CLOCK_SetClkDiv(clock_div_name_t div_name, uint32_t divided_by_value, bool reset);
648 /**
649  * @brief	Set the flash wait states for the input freuqency.
650  * @param	iFreq	: Input frequency
651  * @return	Nothing
652  */
653 void CLOCK_SetFLASHAccessCyclesForFreq(uint32_t iFreq);
654 /*! @brief	Return Frequency of selected clock
655  *  @return	Frequency of selected clock
656  */
657 uint32_t CLOCK_GetFreq(clock_name_t clockName);
658 
659 /*! @brief	Return Input frequency for the Fractional baud rate generator
660  *  @return	Input Frequency for FRG
661  */
662 uint32_t CLOCK_GetFRGInputClock(void);
663 
664 /*! @brief	Set output of the Fractional baud rate generator
665  * @param	freq	: Desired output frequency
666  * @return	Error Code 0 - fail 1 - success
667  */
668 uint32_t CLOCK_SetFRGClock(uint32_t freq);
669 
670 /*! @brief	Return Frequency of FRO 12MHz
671  *  @return	Frequency of FRO 12MHz
672  */
673 uint32_t CLOCK_GetFro12MFreq(void);
674 /*! @brief	Return Frequency of External Clock
675  *  @return	Frequency of External Clock. If no external clock is used returns 0.
676  */
677 uint32_t CLOCK_GetExtClkFreq(void);
678 /*! @brief	Return Frequency of Watchdog Oscillator
679  *  @return	Frequency of Watchdog Oscillator
680  */
681 uint32_t CLOCK_GetWdtOscFreq(void);
682 /*! @brief	Return Frequency of High-Freq output of FRO
683  *  @return	Frequency of High-Freq output of FRO
684  */
685 uint32_t CLOCK_GetFroHfFreq(void);
686 /*! @brief	Return Frequency of PLL
687  *  @return	Frequency of PLL
688  */
689 uint32_t CLOCK_GetPllOutFreq(void);
690 /*! @brief	Return Frequency of 32kHz osc
691  *  @return	Frequency of 32kHz osc
692  */
693 uint32_t CLOCK_GetOsc32KFreq(void);
694 /*! @brief	Return Frequency of Core System
695  *  @return	Frequency of Core System
696  */
697 uint32_t CLOCK_GetCoreSysClkFreq(void);
698 /*! @brief	Return Frequency of I2S MCLK Clock
699  *  @return	Frequency of I2S MCLK Clock
700  */
701 uint32_t CLOCK_GetI2SMClkFreq(void);
702 /*! @brief	Return Frequency of Flexcomm functional Clock
703  *  @return	Frequency of Flexcomm functional Clock
704  */
705 uint32_t CLOCK_GetFlexCommClkFreq(uint32_t id);
706 /*! brief	Return Frequency of Usb Clock
707  *  return	Frequency of Usb Clock.
708  */
709 uint32_t CLOCK_GetUsbClkFreq(void);
710 /*! @brief	Return Frequency of Adc Clock
711  *  @return	Frequency of Adc Clock.
712  */
713 uint32_t CLOCK_GetAdcClkFreq(void);
714 /*! @brief	Return Frequency of ClockOut
715  *  @return	Frequency of ClockOut
716  */
717 uint32_t CLOCK_GetClockOutClkFreq(void);
718 /*! @brief	Return Asynchronous APB Clock source
719  *  @return	Asynchronous APB CLock source
720  */
CLOCK_GetAsyncApbClkSrc(void)721 __STATIC_INLINE async_clock_src_t CLOCK_GetAsyncApbClkSrc(void)
722 {
723     return (async_clock_src_t)(uint32_t)(ASYNC_SYSCON->ASYNCAPBCLKSELA & 0x3UL);
724 }
725 /*! @brief	Return Frequency of Asynchronous APB Clock
726  *  @return	Frequency of Asynchronous APB Clock Clock
727  */
728 uint32_t CLOCK_GetAsyncApbClkFreq(void);
729 /*! @brief	Return System PLL input clock rate
730  *  @return	System PLL input clock rate
731  */
732 uint32_t CLOCK_GetSystemPLLInClockRate(void);
733 
734 /*! @brief	Return System PLL output clock rate
735  *  @param	recompute	: Forces a PLL rate recomputation if true
736  *  @return	System PLL output clock rate
737  *  @note	The PLL rate is cached in the driver in a variable as
738  *  the rate computation function can take some time to perform. It
739  *  is recommended to use 'false' with the 'recompute' parameter.
740  */
741 uint32_t CLOCK_GetSystemPLLOutClockRate(bool recompute);
742 
743 /*! @brief	Enables and disables PLL bypass mode
744  *  @brief	bypass	: true to bypass PLL (PLL output = PLL input, false to disable bypass
745  *  @return	System PLL output clock rate
746  */
CLOCK_SetBypassPLL(bool bypass)747 __STATIC_INLINE void CLOCK_SetBypassPLL(bool bypass)
748 {
749     if (bypass)
750     {
751         SYSCON->SYSPLLCTRL |= (1UL << SYSCON_SYSPLLCTRL_BYPASS_SHIFT);
752     }
753     else
754     {
755         SYSCON->SYSPLLCTRL &= ~(1UL << SYSCON_SYSPLLCTRL_BYPASS_SHIFT);
756     }
757 }
758 
759 /*! @brief	Check if PLL is locked or not
760  *  @return	true if the PLL is locked, false if not locked
761  */
CLOCK_IsSystemPLLLocked(void)762 __STATIC_INLINE bool CLOCK_IsSystemPLLLocked(void)
763 {
764     return (bool)((SYSCON->SYSPLLSTAT & SYSCON_SYSPLLSTAT_LOCK_MASK) != 0UL);
765 }
766 
767 /*! @brief Store the current PLL rate
768  *  @param	rate: Current rate of the PLL
769  *  @return	Nothing
770  **/
771 void CLOCK_SetStoredPLLClockRate(uint32_t rate);
772 
773 /*! @brief PLL configuration structure flags for 'flags' field
774  * These flags control how the PLL configuration function sets up the PLL setup structure.<br>
775  *
776  * When the PLL_CONFIGFLAG_USEINRATE flag is selected, the 'InputRate' field in the
777  * configuration structure must be assigned with the expected PLL frequency. If the
778  * PLL_CONFIGFLAG_USEINRATE is not used, 'InputRate' is ignored in the configuration
779  * function and the driver will determine the PLL rate from the currently selected
780  * PLL source. This flag might be used to configure the PLL input clock more accurately
781  * when using the WDT oscillator or a more dyanmic CLKIN source.<br>
782  *
783  * When the PLL_CONFIGFLAG_FORCENOFRACT flag is selected, the PLL hardware for the
784  * automatic bandwidth selection, Spread Spectrum (SS) support, and fractional M-divider
785  * are not used.<br>
786  */
787 #define PLL_CONFIGFLAG_USEINRATE (1U << 0U) /*!< Flag to use InputRate in PLL configuration structure for setup */
788 #define PLL_CONFIGFLAG_FORCENOFRACT                                                                                   \
789     (1U << 2U) /*!< Force non-fractional output mode, PLL output will not use the fractional, automatic bandwidth, or \
790                   SS hardware */
791 
792 /*! @brief PLL Spread Spectrum (SS) Programmable modulation frequency
793  * See (MF) field in the SYSPLLSSCTRL1 register in the UM.
794  */
795 typedef enum _ss_progmodfm
796 {
797     kSS_MF_512 = (0 << 20), /*!< Nss = 512 (fm ? 3.9 - 7.8 kHz) */
798     kSS_MF_384 = (1 << 20), /*!< Nss ?= 384 (fm ? 5.2 - 10.4 kHz) */
799     kSS_MF_256 = (2 << 20), /*!< Nss = 256 (fm ? 7.8 - 15.6 kHz) */
800     kSS_MF_128 = (3 << 20), /*!< Nss = 128 (fm ? 15.6 - 31.3 kHz) */
801     kSS_MF_64  = (4 << 20), /*!< Nss = 64 (fm ? 32.3 - 64.5 kHz) */
802     kSS_MF_32  = (5 << 20), /*!< Nss = 32 (fm ? 62.5- 125 kHz) */
803     kSS_MF_24  = (6 << 20), /*!< Nss ?= 24 (fm ? 83.3- 166.6 kHz) */
804     kSS_MF_16  = (7 << 20)  /*!< Nss = 16 (fm ? 125- 250 kHz) */
805 } ss_progmodfm_t;
806 
807 /*! @brief PLL Spread Spectrum (SS) Programmable frequency modulation depth
808  * See (MR) field in the SYSPLLSSCTRL1 register in the UM.
809  */
810 typedef enum _ss_progmoddp
811 {
812     kSS_MR_K0   = (0 << 23), /*!< k = 0 (no spread spectrum) */
813     kSS_MR_K1   = (1 << 23), /*!< k = 1 */
814     kSS_MR_K1_5 = (2 << 23), /*!< k = 1.5 */
815     kSS_MR_K2   = (3 << 23), /*!< k = 2 */
816     kSS_MR_K3   = (4 << 23), /*!< k = 3 */
817     kSS_MR_K4   = (5 << 23), /*!< k = 4 */
818     kSS_MR_K6   = (6 << 23), /*!< k = 6 */
819     kSS_MR_K8   = (7 << 23)  /*!< k = 8 */
820 } ss_progmoddp_t;
821 
822 /*! @brief PLL Spread Spectrum (SS) Modulation waveform control
823  * See (MC) field in the SYSPLLSSCTRL1 register in the UM.<br>
824  * Compensation for low pass filtering of the PLL to get a triangular
825  * modulation at the output of the PLL, giving a flat frequency spectrum.
826  */
827 typedef enum _ss_modwvctrl
828 {
829     kSS_MC_NOC  = (0 << 26), /*!< no compensation */
830     kSS_MC_RECC = (2 << 26), /*!< recommended setting */
831     kSS_MC_MAXC = (3 << 26), /*!< max. compensation */
832 } ss_modwvctrl_t;
833 
834 /*! @brief PLL configuration structure
835  *
836  * This structure can be used to configure the settings for a PLL
837  * setup structure. Fill in the desired configuration for the PLL
838  * and call the PLL setup function to fill in a PLL setup structure.
839  */
840 typedef struct _pll_config
841 {
842     uint32_t desiredRate; /*!< Desired PLL rate in Hz */
843     uint32_t inputRate;   /*!< PLL input clock in Hz, only used if PLL_CONFIGFLAG_USEINRATE flag is set */
844     uint32_t flags;       /*!< PLL configuration flags, Or'ed value of PLL_CONFIGFLAG_* definitions */
845     ss_progmodfm_t ss_mf; /*!< SS Programmable modulation frequency, only applicable when not using
846                              PLL_CONFIGFLAG_FORCENOFRACT flag */
847     ss_progmoddp_t ss_mr; /*!< SS Programmable frequency modulation depth, only applicable when not using
848                              PLL_CONFIGFLAG_FORCENOFRACT flag */
849     ss_modwvctrl_t
850         ss_mc; /*!< SS Modulation waveform control, only applicable when not using PLL_CONFIGFLAG_FORCENOFRACT flag */
851     bool mfDither; /*!< false for fixed modulation frequency or true for dithering, only applicable when not using
852                       PLL_CONFIGFLAG_FORCENOFRACT flag */
853 
854 } pll_config_t;
855 
856 /*! @brief PLL setup structure flags for 'flags' field
857  * These flags control how the PLL setup function sets up the PLL
858  */
859 #define PLL_SETUPFLAG_POWERUP         (1U << 0U) /*!< Setup will power on the PLL after setup */
860 #define PLL_SETUPFLAG_WAITLOCK        (1U << 1U) /*!< Setup will wait for PLL lock, implies the PLL will be pwoered on */
861 #define PLL_SETUPFLAG_ADGVOLT         (1U << 2U) /*!< Optimize system voltage for the new PLL rate */
862 #define PLL_SETUPFLAG_USEFEEDBACKDIV2 (1U << 3U) /*!< Use feedback divider by 2 in divider path */
863 
864 /*! @brief PLL setup structure
865  * This structure can be used to pre-build a PLL setup configuration
866  * at run-time and quickly set the PLL to the configuration. It can be
867  * populated with the PLL setup function. If powering up or waiting
868  * for PLL lock, the PLL input clock source should be configured prior
869  * to PLL setup.
870  */
871 typedef struct _pll_setup
872 {
873     uint32_t syspllctrl;      /*!< PLL control register SYSPLLCTRL */
874     uint32_t syspllndec;      /*!< PLL NDEC register SYSPLLNDEC */
875     uint32_t syspllpdec;      /*!< PLL PDEC register SYSPLLPDEC */
876     uint32_t syspllssctrl[2]; /*!< PLL SSCTL registers SYSPLLSSCTRL */
877     uint32_t pllRate;         /*!< Acutal PLL rate */
878     uint32_t flags;           /*!< PLL setup flags, Or'ed value of PLL_SETUPFLAG_* definitions */
879 } pll_setup_t;
880 
881 /*! @brief PLL status definitions
882  */
883 typedef enum _pll_error
884 {
885     kStatus_PLL_Success         = MAKE_STATUS(kStatusGroup_Generic, 0), /*!< PLL operation was successful */
886     kStatus_PLL_OutputTooLow    = MAKE_STATUS(kStatusGroup_Generic, 1), /*!< PLL output rate request was too low */
887     kStatus_PLL_OutputTooHigh   = MAKE_STATUS(kStatusGroup_Generic, 2), /*!< PLL output rate request was too high */
888     kStatus_PLL_InputTooLow     = MAKE_STATUS(kStatusGroup_Generic, 3), /*!< PLL input rate is too low */
889     kStatus_PLL_InputTooHigh    = MAKE_STATUS(kStatusGroup_Generic, 4), /*!< PLL input rate is too high */
890     kStatus_PLL_OutsideIntLimit = MAKE_STATUS(kStatusGroup_Generic, 5)  /*!< Requested output rate isn't possible */
891 } pll_error_t;
892 
893 /*! @brief USB clock source definition. */
894 typedef enum _clock_usb_src
895 {
896     kCLOCK_UsbSrcFro       = (uint32_t)kCLOCK_FroHf,      /*!< Use FRO 96 or 48 MHz. */
897     kCLOCK_UsbSrcSystemPll = (uint32_t)kCLOCK_PllOut,     /*!< Use System PLL output. */
898     kCLOCK_UsbSrcMainClock = (uint32_t)kCLOCK_CoreSysClk, /*!< Use Main clock.    */
899     kCLOCK_UsbSrcNone      = SYSCON_USBCLKSEL_SEL(
900         7) /*!< Use None, this may be selected in order to reduce power when no output is needed. */
901 } clock_usb_src_t;
902 
903 /*! @brief	Return System PLL output clock rate from setup structure
904  *  @param	pSetup	: Pointer to a PLL setup structure
905  *  @return	System PLL output clock rate calculated from the setup structure
906  */
907 uint32_t CLOCK_GetSystemPLLOutFromSetup(pll_setup_t *pSetup);
908 
909 /*! @brief	Set PLL output based on the passed PLL setup data
910  *  @param	pControl	: Pointer to populated PLL control structure to generate setup with
911  *  @param	pSetup		: Pointer to PLL setup structure to be filled
912  *  @return	PLL_ERROR_SUCCESS on success, or PLL setup error code
913  *  @note	Actual frequency for setup may vary from the desired frequency based on the
914  *  accuracy of input clocks, rounding, non-fractional PLL mode, etc.
915  */
916 pll_error_t CLOCK_SetupPLLData(pll_config_t *pControl, pll_setup_t *pSetup);
917 
918 /*! @brief	Set PLL output from PLL setup structure (precise frequency)
919  * @param	pSetup	: Pointer to populated PLL setup structure
920  * @param flagcfg : Flag configuration for PLL config structure
921  * @return	PLL_ERROR_SUCCESS on success, or PLL setup error code
922  * @note	This function will power off the PLL, setup the PLL with the
923  * new setup data, and then optionally powerup the PLL, wait for PLL lock,
924  * and adjust system voltages to the new PLL rate. The function will not
925  * alter any source clocks (ie, main systen clock) that may use the PLL,
926  * so these should be setup prior to and after exiting the function.
927  */
928 pll_error_t CLOCK_SetupSystemPLLPrec(pll_setup_t *pSetup, uint32_t flagcfg);
929 
930 /**
931  * @brief	Set PLL output from PLL setup structure (precise frequency)
932  * @param	pSetup	: Pointer to populated PLL setup structure
933  * @return	kStatus_PLL_Success on success, or PLL setup error code
934  * @note	This function will power off the PLL, setup the PLL with the
935  * new setup data, and then optionally powerup the PLL, wait for PLL lock,
936  * and adjust system voltages to the new PLL rate. The function will not
937  * alter any source clocks (ie, main systen clock) that may use the PLL,
938  * so these should be setup prior to and after exiting the function.
939  */
940 pll_error_t CLOCK_SetPLLFreq(const pll_setup_t *pSetup);
941 
942 /*! @brief	Set PLL output based on the multiplier and input frequency
943  * @param	multiply_by	: multiplier
944  * @param	input_freq	: Clock input frequency of the PLL
945  * @return	Nothing
946  * @note	Unlike the Chip_Clock_SetupSystemPLLPrec() function, this
947  * function does not disable or enable PLL power, wait for PLL lock,
948  * or adjust system voltages. These must be done in the application.
949  * The function will not alter any source clocks (ie, main systen clock)
950  * that may use the PLL, so these should be setup prior to and after
951  * exiting the function.
952  */
953 void CLOCK_SetupSystemPLLMult(uint32_t multiply_by, uint32_t input_freq);
954 
955 /*! @brief Disable USB FS clock.
956  *
957  * Disable USB FS clock.
958  */
CLOCK_DisableUsbfs0Clock(void)959 static inline void CLOCK_DisableUsbfs0Clock(void)
960 {
961     CLOCK_DisableClock(kCLOCK_Usbd0);
962 }
963 bool CLOCK_EnableUsbfs0Clock(clock_usb_src_t src, uint32_t freq);
964 
965 #if defined(__cplusplus)
966 }
967 #endif /* __cplusplus */
968 
969 /*! @} */
970 
971 #endif /* _FSL_CLOCK_H_ */
972