1 /*
2  * Copyright (c) 2016, Freescale Semiconductor, Inc.
3  * Copyright 2016 - 2019 , 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 2.5.1. */
27 #define FSL_CLOCK_DRIVER_VERSION (MAKE_VERSION(2, 5, 1))
28 /*@}*/
29 
30 /*!
31  * @brief User-defined the size of cache for CLOCK_PllGetConfig() function.
32  *
33  * Once define this MACRO to be non-zero value, CLOCK_PllGetConfig() function
34  * would cache the recent calulation and accelerate the execution to get the
35  * right settings.
36  */
37 #ifndef CLOCK_USR_CFG_PLL_CONFIG_CACHE_COUNT
38 #define CLOCK_USR_CFG_PLL_CONFIG_CACHE_COUNT 2U
39 #endif
40 
41 /* Definition for delay API in clock driver, users can redefine it to the real application. */
42 #ifndef SDK_DEVICE_MAXIMUM_CPU_CLOCK_FREQUENCY
43 #define SDK_DEVICE_MAXIMUM_CPU_CLOCK_FREQUENCY (150000000UL)
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 DMIC. */
81 #define DMIC_CLOCKS \
82     {               \
83         kCLOCK_DMic \
84     }
85 /*! @brief Clock ip name array for DMA. */
86 #define DMA_CLOCKS \
87     {              \
88         kCLOCK_Dma \
89     }
90 /*! @brief Clock ip name array for CT32B. */
91 #define CTIMER_CLOCKS                                                             \
92     {                                                                             \
93         kCLOCK_Ct32b0, kCLOCK_Ct32b1, kCLOCK_Ct32b2, kCLOCK_Ct32b3, kCLOCK_Ct32b4 \
94     }
95 
96 /*! @brief Clock ip name array for GPIO. */
97 #define GPIO_CLOCKS                \
98     {                              \
99         kCLOCK_Gpio0, kCLOCK_Gpio1 \
100     }
101 /*! @brief Clock ip name array for ADC. */
102 #define ADC_CLOCKS  \
103     {               \
104         kCLOCK_Adc0 \
105     }
106 /*! @brief Clock ip name array for MRT. */
107 #define MRT_CLOCKS \
108     {              \
109         kCLOCK_Mrt \
110     }
111 /*! @brief Clock ip name array for MRT. */
112 #define SCT_CLOCKS  \
113     {               \
114         kCLOCK_Sct0 \
115     }
116 /*! @brief Clock ip name array for RTC. */
117 #define RTC_CLOCKS \
118     {              \
119         kCLOCK_Rtc \
120     }
121 /*! @brief Clock ip name array for WWDT. */
122 #define WWDT_CLOCKS \
123     {               \
124         kCLOCK_Wwdt \
125     }
126 /*! @brief Clock ip name array for CRC. */
127 #define CRC_CLOCKS \
128     {              \
129         kCLOCK_Crc \
130     }
131 /*! @brief Clock ip name array for USBD. */
132 #define USBD_CLOCKS  \
133     {                \
134         kCLOCK_Usbd0 \
135     }
136 
137 /*! @brief Clock ip name array for GINT. GINT0 & GINT1 share same slot */
138 #define GINT_CLOCKS              \
139     {                            \
140         kCLOCK_Gint, kCLOCK_Gint \
141     }
142 
143 /*! @brief Clock gate name used for CLOCK_EnableClock/CLOCK_DisableClock. */
144 /*------------------------------------------------------------------------------
145  clock_ip_name_t definition:
146 ------------------------------------------------------------------------------*/
147 
148 #define CLK_GATE_REG_OFFSET_SHIFT 8U
149 #define CLK_GATE_REG_OFFSET_MASK 0xFFFFFF00U
150 #define CLK_GATE_BIT_SHIFT_SHIFT 0U
151 #define CLK_GATE_BIT_SHIFT_MASK 0x000000FFU
152 
153 #define CLK_GATE_DEFINE(reg_offset, bit_shift)                                  \
154     ((((reg_offset) << CLK_GATE_REG_OFFSET_SHIFT) & CLK_GATE_REG_OFFSET_MASK) | \
155      (((bit_shift) << CLK_GATE_BIT_SHIFT_SHIFT) & CLK_GATE_BIT_SHIFT_MASK))
156 
157 #define CLK_GATE_ABSTRACT_REG_OFFSET(x) (((uint32_t)(x)&CLK_GATE_REG_OFFSET_MASK) >> CLK_GATE_REG_OFFSET_SHIFT)
158 #define CLK_GATE_ABSTRACT_BITS_SHIFT(x) (((uint32_t)(x)&CLK_GATE_BIT_SHIFT_MASK) >> CLK_GATE_BIT_SHIFT_SHIFT)
159 
160 #define AHB_CLK_CTRL0 0
161 #define AHB_CLK_CTRL1 1
162 #define ASYNC_CLK_CTRL0 2
163 
164 /*! @brief Clock gate name used for CLOCK_EnableClock/CLOCK_DisableClock. */
165 typedef enum _clock_ip_name
166 {
167     kCLOCK_IpInvalid = 0U,
168     kCLOCK_Rom       = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 1),
169     kCLOCK_Sram1     = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 3),
170     kCLOCK_Sram2     = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 4),
171     kCLOCK_Regfile   = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 6),
172     kCLOCK_Flash     = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 7),
173     kCLOCK_Fmc       = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 8),
174     kCLOCK_InputMux  = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 11),
175     kCLOCK_Iocon     = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 13),
176     kCLOCK_Gpio0     = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 14),
177     kCLOCK_Gpio1     = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 15),
178     kCLOCK_Gpio2     = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 16),
179     kCLOCK_Gpio3     = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 17),
180     kCLOCK_Pint      = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 18),
181     kCLOCK_Gint    = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 19), /* GPIO_GLOBALINT0 and GPIO_GLOBALINT1 share the same slot  */
182     kCLOCK_Dma     = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 20),
183     kCLOCK_Crc     = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 21),
184     kCLOCK_Wwdt    = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 22),
185     kCLOCK_Rtc     = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 23),
186     kCLOCK_Mailbox = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 26),
187     kCLOCK_Adc0    = CLK_GATE_DEFINE(AHB_CLK_CTRL0, 27),
188     kCLOCK_Mrt     = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 0),
189     kCLOCK_Sct0    = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 2),
190     kCLOCK_SctIpu0 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 6),
191     kCLOCK_Utick   = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 10),
192     kCLOCK_FlexComm0 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 11),
193     kCLOCK_FlexComm1 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 12),
194     kCLOCK_FlexComm2 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 13),
195     kCLOCK_FlexComm3 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 14),
196     kCLOCK_FlexComm4 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 15),
197     kCLOCK_FlexComm5 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 16),
198     kCLOCK_FlexComm6 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 17),
199     kCLOCK_FlexComm7 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 18),
200     kCLOCK_MinUart0  = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 11),
201     kCLOCK_MinUart1  = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 12),
202     kCLOCK_MinUart2  = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 13),
203     kCLOCK_MinUart3  = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 14),
204     kCLOCK_MinUart4  = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 15),
205     kCLOCK_MinUart5  = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 16),
206     kCLOCK_MinUart6  = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 17),
207     kCLOCK_MinUart7  = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 18),
208     kCLOCK_LSpi0     = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 11),
209     kCLOCK_LSpi1     = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 12),
210     kCLOCK_LSpi2     = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 13),
211     kCLOCK_LSpi3     = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 14),
212     kCLOCK_LSpi4     = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 15),
213     kCLOCK_LSpi5     = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 16),
214     kCLOCK_LSpi6     = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 17),
215     kCLOCK_LSpi7     = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 18),
216     kCLOCK_BI2c0     = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 11),
217     kCLOCK_BI2c1     = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 12),
218     kCLOCK_BI2c2     = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 13),
219     kCLOCK_BI2c3     = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 14),
220     kCLOCK_BI2c4     = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 15),
221     kCLOCK_BI2c5     = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 16),
222     kCLOCK_BI2c6     = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 17),
223     kCLOCK_BI2c7     = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 18),
224     kCLOCK_FlexI2s0  = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 11),
225     kCLOCK_FlexI2s1  = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 12),
226     kCLOCK_FlexI2s2  = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 13),
227     kCLOCK_FlexI2s3  = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 14),
228     kCLOCK_FlexI2s4  = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 15),
229     kCLOCK_FlexI2s5  = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 16),
230     kCLOCK_FlexI2s6  = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 17),
231     kCLOCK_FlexI2s7  = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 18),
232     kCLOCK_DMic      = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 19),
233     kCLOCK_Ct32b2    = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 22),
234     kCLOCK_Usbd0     = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 25),
235     kCLOCK_Ct32b0    = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 26),
236     kCLOCK_Ct32b1    = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 27),
237     kCLOCK_Pvtvf0    = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 28),
238     kCLOCK_Pvtvf1    = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 28),
239     kCLOCK_BodyBias0 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 29),
240     kCLOCK_EzhArchB0 = CLK_GATE_DEFINE(AHB_CLK_CTRL1, 31),
241 
242     kCLOCK_Ct32b3 = CLK_GATE_DEFINE(ASYNC_CLK_CTRL0, 13),
243     kCLOCK_Ct32b4 = CLK_GATE_DEFINE(ASYNC_CLK_CTRL0, 14)
244 } clock_ip_name_t;
245 
246 /*! @brief Clock name used to get clock frequency. */
247 typedef enum _clock_name
248 {
249     kCLOCK_CoreSysClk,  /*!< Core/system clock  (aka MAIN_CLK)                       */
250     kCLOCK_BusClk,      /*!< Bus clock (AHB clock)                                   */
251     kCLOCK_FroHf,       /*!< FRO48/96                                                */
252     kCLOCK_Fro12M,      /*!< FRO12M                                                  */
253     kCLOCK_ExtClk,      /*!< External Clock                                          */
254     kCLOCK_PllOut,      /*!< PLL Output                                              */
255     kCLOCK_UsbClk,      /*!< USB input                                               */
256     kCLOCK_WdtOsc,      /*!< Watchdog Oscillator                                     */
257     kCLOCK_Frg,         /*!< Frg Clock                                               */
258     kCLOCK_AsyncApbClk, /*!< Async APB clock                                         */
259     kCLOCK_FlexI2S,     /*!< FlexI2S clock                                           */
260 } clock_name_t;
261 
262 /**
263  * Clock source selections for the asynchronous APB clock
264  */
265 typedef enum _async_clock_src
266 {
267     kCLOCK_AsyncMainClk = 0, /*!< Main System clock */
268     kCLOCK_AsyncFro12Mhz,    /*!< 12MHz FRO */
269 } async_clock_src_t;
270 
271 /*! @brief Clock Mux Switches
272  *  The encoding is as follows each connection identified is 32bits wide while 24bits are valuable
273  *  starting from LSB upwards
274  *
275  *  [4 bits for choice, 0 means invalid choice] [8 bits mux ID]*
276  *
277  */
278 
279 #define CLK_ATTACH_ID(mux, sel, pos) ((((uint32_t)(mux) << 0U) | (((uint32_t)(sel) + 1UL) & 0xFU) << 8U) << ((pos)*12U))
280 #define MUX_A(mux, sel) CLK_ATTACH_ID((mux), (sel), 0U)
281 #define MUX_B(mux, sel, selector) (CLK_ATTACH_ID((mux), (sel), 1U) | ((selector) << 24U))
282 
283 #define GET_ID_ITEM(connection) ((connection)&0xFFFU)
284 #define GET_ID_NEXT_ITEM(connection) ((connection) >> 12U)
285 #define GET_ID_ITEM_MUX(connection) (((uint8_t)(connection)) & 0xFFU)
286 #define GET_ID_ITEM_SEL(connection) (uint8_t)(((((uint32_t)(connection)&0xF00U) >> 8U) - 1U))
287 #define GET_ID_SELECTOR(connection) ((connection)&0xF000000U)
288 
289 #define CM_MAINCLKSELA 0
290 #define CM_MAINCLKSELB 1
291 #define CM_CLKOUTCLKSELA 2
292 #define CM_CLKOUTCLKSELB 3
293 #define CM_SYSPLLCLKSEL 4
294 #define CM_USBPLLCLKSEL 5
295 #define CM_AUDPLLCLKSEL 6
296 #define CM_SCTPLLCLKSEL 7
297 #define CM_SPIFICLKSEL 8
298 #define CM_ADCASYNCCLKSEL 9
299 #define CM_USBCLKSEL 10
300 #define CM_USB1CLKSEL 11
301 #define CM_FXCOMCLKSEL0 12
302 #define CM_FXCOMCLKSEL1 13
303 #define CM_FXCOMCLKSEL2 14
304 #define CM_FXCOMCLKSEL3 15
305 #define CM_FXCOMCLKSEL4 16
306 #define CM_FXCOMCLKSEL5 17
307 #define CM_FXCOMCLKSEL6 18
308 #define CM_FXCOMCLKSEL7 19
309 #define CM_FXCOMCLKSEL8 20
310 #define CM_FXCOMCLKSEL9 21
311 #define CM_FXCOMCLKSEL10 22
312 #define CM_FXCOMCLKSEL11 23
313 #define CM_FXI2S0MCLKCLKSEL 24
314 #define CM_FXI2S1MCLKCLKSEL 25
315 #define CM_FRGCLKSEL 26
316 #define CM_DMICCLKSEL 27
317 
318 #define CM_ASYNCAPB 28U
319 
320 typedef enum _clock_attach_id
321 {
322 
323     kFRO12M_to_MAIN_CLK  = MUX_A(CM_MAINCLKSELA, 0) | MUX_B(CM_MAINCLKSELB, 0, 0),
324     kEXT_CLK_to_MAIN_CLK = MUX_A(CM_MAINCLKSELA, 1) | MUX_B(CM_MAINCLKSELB, 0, 0),
325     kWDT_OSC_to_MAIN_CLK = MUX_A(CM_MAINCLKSELA, 2) | MUX_B(CM_MAINCLKSELB, 0, 0),
326     kFRO_HF_to_MAIN_CLK  = MUX_A(CM_MAINCLKSELA, 3) | MUX_B(CM_MAINCLKSELB, 0, 0),
327     kSYS_PLL_to_MAIN_CLK = MUX_A(CM_MAINCLKSELA, 0) | MUX_B(CM_MAINCLKSELB, 2, 0),
328     kOSC32K_to_MAIN_CLK  = MUX_A(CM_MAINCLKSELA, 0) | MUX_B(CM_MAINCLKSELB, 3, 0),
329 
330     kFRO12M_to_SYS_PLL  = MUX_A(CM_SYSPLLCLKSEL, 0),
331     kEXT_CLK_to_SYS_PLL = MUX_A(CM_SYSPLLCLKSEL, 1),
332     kWDT_OSC_to_SYS_PLL = MUX_A(CM_SYSPLLCLKSEL, 2),
333     kOSC32K_to_SYS_PLL  = MUX_A(CM_SYSPLLCLKSEL, 3),
334     kNONE_to_SYS_PLL    = MUX_A(CM_SYSPLLCLKSEL, 7),
335 
336     kMAIN_CLK_to_ASYNC_APB = MUX_A(CM_ASYNCAPB, 0),
337     kFRO12M_to_ASYNC_APB   = MUX_A(CM_ASYNCAPB, 1),
338 
339     kMAIN_CLK_to_ADC_CLK = MUX_A(CM_ADCASYNCCLKSEL, 0),
340     kSYS_PLL_to_ADC_CLK  = MUX_A(CM_ADCASYNCCLKSEL, 1),
341     kFRO_HF_to_ADC_CLK   = MUX_A(CM_ADCASYNCCLKSEL, 2),
342     kNONE_to_ADC_CLK     = MUX_A(CM_ADCASYNCCLKSEL, 7),
343 
344     kMAIN_CLK_to_SPIFI_CLK = MUX_A(CM_SPIFICLKSEL, 0),
345     kSYS_PLL_to_SPIFI_CLK  = MUX_A(CM_SPIFICLKSEL, 1),
346     kFRO_HF_to_SPIFI_CLK   = MUX_A(CM_SPIFICLKSEL, 3),
347     kNONE_to_SPIFI_CLK     = MUX_A(CM_SPIFICLKSEL, 7),
348 
349     kFRO12M_to_FLEXCOMM0  = MUX_A(CM_FXCOMCLKSEL0, 0),
350     kFRO_HF_to_FLEXCOMM0  = MUX_A(CM_FXCOMCLKSEL0, 1),
351     kSYS_PLL_to_FLEXCOMM0 = MUX_A(CM_FXCOMCLKSEL0, 2),
352     kMCLK_to_FLEXCOMM0    = MUX_A(CM_FXCOMCLKSEL0, 3),
353     kFRG_to_FLEXCOMM0     = MUX_A(CM_FXCOMCLKSEL0, 4),
354     kNONE_to_FLEXCOMM0    = MUX_A(CM_FXCOMCLKSEL0, 7),
355 
356     kFRO12M_to_FLEXCOMM1  = MUX_A(CM_FXCOMCLKSEL1, 0),
357     kFRO_HF_to_FLEXCOMM1  = MUX_A(CM_FXCOMCLKSEL1, 1),
358     kSYS_PLL_to_FLEXCOMM1 = MUX_A(CM_FXCOMCLKSEL1, 2),
359     kMCLK_to_FLEXCOMM1    = MUX_A(CM_FXCOMCLKSEL1, 3),
360     kFRG_to_FLEXCOMM1     = MUX_A(CM_FXCOMCLKSEL1, 4),
361     kNONE_to_FLEXCOMM1    = MUX_A(CM_FXCOMCLKSEL1, 7),
362 
363     kFRO12M_to_FLEXCOMM2  = MUX_A(CM_FXCOMCLKSEL2, 0),
364     kFRO_HF_to_FLEXCOMM2  = MUX_A(CM_FXCOMCLKSEL2, 1),
365     kSYS_PLL_to_FLEXCOMM2 = MUX_A(CM_FXCOMCLKSEL2, 2),
366     kMCLK_to_FLEXCOMM2    = MUX_A(CM_FXCOMCLKSEL2, 3),
367     kFRG_to_FLEXCOMM2     = MUX_A(CM_FXCOMCLKSEL2, 4),
368     kNONE_to_FLEXCOMM2    = MUX_A(CM_FXCOMCLKSEL2, 7),
369 
370     kFRO12M_to_FLEXCOMM3  = MUX_A(CM_FXCOMCLKSEL3, 0),
371     kFRO_HF_to_FLEXCOMM3  = MUX_A(CM_FXCOMCLKSEL3, 1),
372     kSYS_PLL_to_FLEXCOMM3 = MUX_A(CM_FXCOMCLKSEL3, 2),
373     kMCLK_to_FLEXCOMM3    = MUX_A(CM_FXCOMCLKSEL3, 3),
374     kFRG_to_FLEXCOMM3     = MUX_A(CM_FXCOMCLKSEL3, 4),
375     kNONE_to_FLEXCOMM3    = MUX_A(CM_FXCOMCLKSEL3, 7),
376 
377     kFRO12M_to_FLEXCOMM4  = MUX_A(CM_FXCOMCLKSEL4, 0),
378     kFRO_HF_to_FLEXCOMM4  = MUX_A(CM_FXCOMCLKSEL4, 1),
379     kSYS_PLL_to_FLEXCOMM4 = MUX_A(CM_FXCOMCLKSEL4, 2),
380     kMCLK_to_FLEXCOMM4    = MUX_A(CM_FXCOMCLKSEL4, 3),
381     kFRG_to_FLEXCOMM4     = MUX_A(CM_FXCOMCLKSEL4, 4),
382     kNONE_to_FLEXCOMM4    = MUX_A(CM_FXCOMCLKSEL4, 7),
383 
384     kFRO12M_to_FLEXCOMM5  = MUX_A(CM_FXCOMCLKSEL5, 0),
385     kFRO_HF_to_FLEXCOMM5  = MUX_A(CM_FXCOMCLKSEL5, 1),
386     kSYS_PLL_to_FLEXCOMM5 = MUX_A(CM_FXCOMCLKSEL5, 2),
387     kMCLK_to_FLEXCOMM5    = MUX_A(CM_FXCOMCLKSEL5, 3),
388     kFRG_to_FLEXCOMM5     = MUX_A(CM_FXCOMCLKSEL5, 4),
389     kNONE_to_FLEXCOMM5    = MUX_A(CM_FXCOMCLKSEL5, 7),
390 
391     kFRO12M_to_FLEXCOMM6  = MUX_A(CM_FXCOMCLKSEL6, 0),
392     kFRO_HF_to_FLEXCOMM6  = MUX_A(CM_FXCOMCLKSEL6, 1),
393     kSYS_PLL_to_FLEXCOMM6 = MUX_A(CM_FXCOMCLKSEL6, 2),
394     kMCLK_to_FLEXCOMM6    = MUX_A(CM_FXCOMCLKSEL6, 3),
395     kFRG_to_FLEXCOMM6     = MUX_A(CM_FXCOMCLKSEL6, 4),
396     kNONE_to_FLEXCOMM6    = MUX_A(CM_FXCOMCLKSEL6, 7),
397 
398     kFRO12M_to_FLEXCOMM7  = MUX_A(CM_FXCOMCLKSEL7, 0),
399     kFRO_HF_to_FLEXCOMM7  = MUX_A(CM_FXCOMCLKSEL7, 1),
400     kSYS_PLL_to_FLEXCOMM7 = MUX_A(CM_FXCOMCLKSEL7, 2),
401     kMCLK_to_FLEXCOMM7    = MUX_A(CM_FXCOMCLKSEL7, 3),
402     kFRG_to_FLEXCOMM7     = MUX_A(CM_FXCOMCLKSEL7, 4),
403     kNONE_to_FLEXCOMM7    = MUX_A(CM_FXCOMCLKSEL7, 7),
404 
405     kMAIN_CLK_to_FRG = MUX_A(CM_FRGCLKSEL, 0),
406     kSYS_PLL_to_FRG  = MUX_A(CM_FRGCLKSEL, 1),
407     kFRO12M_to_FRG   = MUX_A(CM_FRGCLKSEL, 2),
408     kFRO_HF_to_FRG   = MUX_A(CM_FRGCLKSEL, 3),
409     kNONE_to_FRG     = MUX_A(CM_FRGCLKSEL, 7),
410 
411     kFRO_HF_to_MCLK   = MUX_A(CM_FXI2S0MCLKCLKSEL, 0),
412     kSYS_PLL_to_MCLK  = MUX_A(CM_FXI2S0MCLKCLKSEL, 1),
413     kMAIN_CLK_to_MCLK = MUX_A(CM_FXI2S0MCLKCLKSEL, 2),
414     kNONE_to_MCLK     = MUX_A(CM_FXI2S0MCLKCLKSEL, 7),
415 
416     kFRO12M_to_DMIC   = MUX_A(CM_DMICCLKSEL, 0),
417     kFRO_HF_to_DMIC   = MUX_A(CM_DMICCLKSEL, 1),
418     kSYS_PLL_to_DMIC  = MUX_A(CM_DMICCLKSEL, 2),
419     kMCLK_to_DMIC     = MUX_A(CM_DMICCLKSEL, 3),
420     kMAIN_CLK_to_DMIC = MUX_A(CM_DMICCLKSEL, 4),
421     kWDT_CLK_to_DMIC  = MUX_A(CM_DMICCLKSEL, 5),
422     kNONE_to_DMIC     = MUX_A(CM_DMICCLKSEL, 7),
423 
424     kFRO_HF_to_USB_CLK   = MUX_A(CM_USBCLKSEL, 0),
425     kSYS_PLL_to_USB_CLK  = MUX_A(CM_USBCLKSEL, 1),
426     kMAIN_CLK_to_USB_CLK = MUX_A(CM_USBCLKSEL, 2),
427     kNONE_to_USB_CLK     = MUX_A(CM_USBCLKSEL, 7),
428 
429     kMAIN_CLK_to_CLKOUT = MUX_A(CM_CLKOUTCLKSELA, 0),
430     kEXT_CLK_to_CLKOUT  = MUX_A(CM_CLKOUTCLKSELA, 1),
431     kWDT_OSC_to_CLKOUT  = MUX_A(CM_CLKOUTCLKSELA, 2),
432     kFRO_HF_to_CLKOUT   = MUX_A(CM_CLKOUTCLKSELA, 3),
433     kSYS_PLL_to_CLKOUT  = MUX_A(CM_CLKOUTCLKSELA, 4),
434     kFRO12M_to_CLKOUT   = MUX_A(CM_CLKOUTCLKSELA, 5),
435     kOSC32K_to_CLKOUT   = MUX_A(CM_CLKOUTCLKSELA, 6),
436     kNONE_to_CLKOUT     = MUX_A(CM_CLKOUTCLKSELA, 7),
437     kNONE_to_NONE       = (int)0x80000000U,
438 } clock_attach_id_t;
439 
440 /*  Clock dividers */
441 typedef enum _clock_div_name
442 {
443     kCLOCK_DivSystickClk  = 0,
444     kCLOCK_DivTraceClk    = 1,
445     kCLOCK_DivAhbClk      = 32,
446     kCLOCK_DivClkOut      = 33,
447     kCLOCK_DivSpifiClk    = 36,
448     kCLOCK_DivAdcAsyncClk = 37,
449     kCLOCK_DivUsbClk      = 38,
450     kCLOCK_DivFrg         = 40,
451     kCLOCK_DivDmicClk     = 42,
452     kCLOCK_DivFxI2s0MClk  = 43
453 } clock_div_name_t;
454 
455 /*******************************************************************************
456  * API
457  ******************************************************************************/
458 
459 #if defined(__cplusplus)
460 extern "C" {
461 #endif /* __cplusplus */
462 
CLOCK_EnableClock(clock_ip_name_t clk)463 static inline void CLOCK_EnableClock(clock_ip_name_t clk)
464 {
465     uint32_t index = CLK_GATE_ABSTRACT_REG_OFFSET(clk);
466     if (index < 2UL)
467     {
468         SYSCON->AHBCLKCTRLSET[index] = (1UL << CLK_GATE_ABSTRACT_BITS_SHIFT(clk));
469     }
470     else
471     {
472         ASYNC_SYSCON->ASYNCAPBCLKCTRLSET = (1UL << CLK_GATE_ABSTRACT_BITS_SHIFT(clk));
473     }
474 }
475 
CLOCK_DisableClock(clock_ip_name_t clk)476 static inline void CLOCK_DisableClock(clock_ip_name_t clk)
477 {
478     uint32_t index = CLK_GATE_ABSTRACT_REG_OFFSET(clk);
479     if (index < 2UL)
480     {
481         SYSCON->AHBCLKCTRLCLR[index] = (1UL << CLK_GATE_ABSTRACT_BITS_SHIFT(clk));
482     }
483     else
484     {
485         ASYNC_SYSCON->ASYNCAPBCLKCTRLCLR = (1UL << CLK_GATE_ABSTRACT_BITS_SHIFT(clk));
486     }
487 }
488 /**
489  * @brief FLASH Access time definitions
490  */
491 typedef enum _clock_flashtim
492 {
493     kCLOCK_Flash1Cycle = 0, /*!< Flash accesses use 1 CPU clock */
494     kCLOCK_Flash2Cycle,     /*!< Flash accesses use 2 CPU clocks */
495     kCLOCK_Flash3Cycle,     /*!< Flash accesses use 3 CPU clocks */
496     kCLOCK_Flash4Cycle,     /*!< Flash accesses use 4 CPU clocks */
497     kCLOCK_Flash5Cycle,     /*!< Flash accesses use 5 CPU clocks */
498     kCLOCK_Flash6Cycle,     /*!< Flash accesses use 6 CPU clocks */
499     kCLOCK_Flash7Cycle,     /*!< Flash accesses use 7 CPU clocks */
500 } clock_flashtim_t;
501 
502 /**
503  * @brief	Set FLASH memory access time in clocks
504  * @param	clks	: Clock cycles for FLASH access
505  * @return	Nothing
506  */
CLOCK_SetFLASHAccessCycles(clock_flashtim_t clks)507 static inline void CLOCK_SetFLASHAccessCycles(clock_flashtim_t clks)
508 {
509     uint32_t tmp;
510 
511     tmp = SYSCON->FLASHCFG & ~(SYSCON_FLASHCFG_FLASHTIM_MASK);
512 
513     /* Don't alter lower bits */
514     SYSCON->FLASHCFG = tmp | ((uint32_t)clks << SYSCON_FLASHCFG_FLASHTIM_SHIFT);
515 }
516 
517 /**
518  * @brief	Initialize the Core clock to given frequency (12, 48 or 96 MHz).
519  * Turns on FRO and uses default CCO, if freq is 12000000, then high speed output is off, else high speed output is
520  * enabled.
521  * @param	iFreq	: Desired frequency (must be one of CLK_FRO_12MHZ or CLK_FRO_48MHZ or CLK_FRO_96MHZ)
522  * @return	returns success or fail status.
523  */
524 status_t CLOCK_SetupFROClocking(uint32_t iFreq);
525 /**
526  * @brief	Configure the clock selection muxes.
527  * @param	connection	: Clock to be configured.
528  * @return	Nothing
529  */
530 void CLOCK_AttachClk(clock_attach_id_t connection);
531 /**
532  * @brief   Get the actual clock attach id.
533  * This fuction uses the offset in input attach id, then it reads the actual source value in
534  * the register and combine the offset to obtain an actual attach id.
535  * @param   attachId  : Clock attach id to get.
536  * @return  Clock source value.
537  */
538 clock_attach_id_t CLOCK_GetClockAttachId(clock_attach_id_t attachId);
539 /**
540  * @brief	Setup peripheral clock dividers.
541  * @param	div_name	: Clock divider name
542  * @param divided_by_value: Value to be divided
543  * @param reset :  Whether to reset the divider counter.
544  * @return	Nothing
545  */
546 void CLOCK_SetClkDiv(clock_div_name_t div_name, uint32_t divided_by_value, bool reset);
547 /**
548  * @brief	Set the flash wait states for the input freuqency.
549  * @param	iFreq	: Input frequency
550  * @return	Nothing
551  */
552 void CLOCK_SetFLASHAccessCyclesForFreq(uint32_t iFreq);
553 /*! @brief	Return Frequency of selected clock
554  *  @return	Frequency of selected clock
555  */
556 uint32_t CLOCK_GetFreq(clock_name_t clockName);
557 
558 /*! @brief	Return Input frequency for the Fractional baud rate generator
559  *  @return	Input Frequency for FRG
560  */
561 uint32_t CLOCK_GetFRGInputClock(void);
562 
563 /*! @brief  Return Input frequency for the DMIC
564  *  @return Input Frequency for DMIC
565  */
566 uint32_t CLOCK_GetDmicClkFreq(void);
567 
568 /*! @brief  Return Input frequency for the FRG
569  *  @return Input Frequency for FRG
570  */
571 uint32_t CLOCK_GetFrgClkFreq(void);
572 
573 /*! @brief	Set output of the Fractional baud rate generator
574  * @param	freq	: Desired output frequency
575  * @return	Error Code 0 - fail 1 - success
576  */
577 uint32_t CLOCK_SetFRGClock(uint32_t freq);
578 
579 /*! @brief	Return Frequency of FRO 12MHz
580  *  @return	Frequency of FRO 12MHz
581  */
582 uint32_t CLOCK_GetFro12MFreq(void);
583 /*! @brief	Return Frequency of External Clock
584  *  @return	Frequency of External Clock. If no external clock is used returns 0.
585  */
586 uint32_t CLOCK_GetExtClkFreq(void);
587 /*! @brief	Return Frequency of Watchdog Oscillator
588  *  @return	Frequency of Watchdog Oscillator
589  */
590 uint32_t CLOCK_GetWdtOscFreq(void);
591 /*! @brief	Return Frequency of High-Freq output of FRO
592  *  @return	Frequency of High-Freq output of FRO
593  */
594 uint32_t CLOCK_GetFroHfFreq(void);
595 /*! @brief  Return Frequency of USB
596  *  @return Frequency of USB
597  */
598 uint32_t CLOCK_GetUsbClkFreq(void);
599 /*! @brief	Return Frequency of PLL
600  *  @return	Frequency of PLL
601  */
602 uint32_t CLOCK_GetPllOutFreq(void);
603 /*! @brief	Return Frequency of 32kHz osc
604  *  @return	Frequency of 32kHz osc
605  */
606 uint32_t CLOCK_GetOsc32KFreq(void);
607 /*! @brief	Return Frequency of Core System
608  *  @return	Frequency of Core System
609  */
610 uint32_t CLOCK_GetCoreSysClkFreq(void);
611 /*! @brief	Return Frequency of I2S MCLK Clock
612  *  @return	Frequency of I2S MCLK Clock
613  */
614 uint32_t CLOCK_GetI2SMClkFreq(void);
615 /*! @brief	Return Frequency of Flexcomm functional Clock
616  *  @return	Frequency of Flexcomm functional Clock
617  */
618 uint32_t CLOCK_GetFlexCommClkFreq(uint32_t id);
619 /*! @brief	Return Frequency of Adc Clock
620  *  @return	Frequency of Adc Clock.
621  */
622 uint32_t CLOCK_GetAdcClkFreq(void);
623 /*! @brief	Return Asynchronous APB Clock source
624  *  @return	Asynchronous APB CLock source
625  */
CLOCK_GetAsyncApbClkSrc(void)626 __STATIC_INLINE async_clock_src_t CLOCK_GetAsyncApbClkSrc(void)
627 {
628     return (async_clock_src_t)((uint32_t)(ASYNC_SYSCON->ASYNCAPBCLKSELA & 0x3UL));
629 }
630 /*! @brief	Return Frequency of Asynchronous APB Clock
631  *  @return	Frequency of Asynchronous APB Clock Clock
632  */
633 uint32_t CLOCK_GetAsyncApbClkFreq(void);
634 /*! @brief	Return System PLL input clock rate
635  *  @return	System PLL input clock rate
636  */
637 uint32_t CLOCK_GetSystemPLLInClockRate(void);
638 
639 /*! @brief	Return System PLL output clock rate
640  *  @param	recompute	: Forces a PLL rate recomputation if true
641  *  @return	System PLL output clock rate
642  *  @note	The PLL rate is cached in the driver in a variable as
643  *  the rate computation function can take some time to perform. It
644  *  is recommended to use 'false' with the 'recompute' parameter.
645  */
646 uint32_t CLOCK_GetSystemPLLOutClockRate(bool recompute);
647 
648 /*! @brief	Enables and disables PLL bypass mode
649  *  @brief	bypass	: true to bypass PLL (PLL output = PLL input, false to disable bypass
650  *  @return	System PLL output clock rate
651  */
CLOCK_SetBypassPLL(bool bypass)652 __STATIC_INLINE void CLOCK_SetBypassPLL(bool bypass)
653 {
654     if (bypass)
655     {
656         SYSCON->SYSPLLCTRL |= (1UL << SYSCON_SYSPLLCTRL_BYPASS_SHIFT);
657     }
658     else
659     {
660         SYSCON->SYSPLLCTRL &= ~(1UL << SYSCON_SYSPLLCTRL_BYPASS_SHIFT);
661     }
662 }
663 
664 /*! @brief	Check if PLL is locked or not
665  *  @return	true if the PLL is locked, false if not locked
666  */
CLOCK_IsSystemPLLLocked(void)667 __STATIC_INLINE bool CLOCK_IsSystemPLLLocked(void)
668 {
669     return (bool)((SYSCON->SYSPLLSTAT & SYSCON_SYSPLLSTAT_LOCK_MASK) != 0UL);
670 }
671 
672 /*! @brief Store the current PLL rate
673  *  @param	rate: Current rate of the PLL
674  *  @return	Nothing
675  **/
676 void CLOCK_SetStoredPLLClockRate(uint32_t rate);
677 
678 /*! @brief PLL configuration structure flags for 'flags' field
679  * These flags control how the PLL configuration function sets up the PLL setup structure.<br>
680  *
681  * When the PLL_CONFIGFLAG_USEINRATE flag is selected, the 'InputRate' field in the
682  * configuration structure must be assigned with the expected PLL frequency. If the
683  * PLL_CONFIGFLAG_USEINRATE is not used, 'InputRate' is ignored in the configuration
684  * function and the driver will determine the PLL rate from the currently selected
685  * PLL source. This flag might be used to configure the PLL input clock more accurately
686  * when using the WDT oscillator or a more dyanmic CLKIN source.<br>
687  *
688  * When the PLL_CONFIGFLAG_FORCENOFRACT flag is selected, the PLL hardware for the
689  * automatic bandwidth selection, Spread Spectrum (SS) support, and fractional M-divider
690  * are not used.<br>
691  */
692 #define PLL_CONFIGFLAG_USEINRATE (1U << 0U) /*!< Flag to use InputRate in PLL configuration structure for setup */
693 #define PLL_CONFIGFLAG_FORCENOFRACT                                                                                   \
694     (1U << 2U) /*!< Force non-fractional output mode, PLL output will not use the fractional, automatic bandwidth, or \
695                   SS hardware */
696 
697 /*! @brief PLL Spread Spectrum (SS) Programmable modulation frequency
698  * See (MF) field in the SYSPLLSSCTRL1 register in the UM.
699  */
700 typedef enum _ss_progmodfm
701 {
702     kSS_MF_512 = (0 << 20), /*!< Nss = 512 (fm ? 3.9 - 7.8 kHz) */
703     kSS_MF_384 = (1 << 20), /*!< Nss ?= 384 (fm ? 5.2 - 10.4 kHz) */
704     kSS_MF_256 = (2 << 20), /*!< Nss = 256 (fm ? 7.8 - 15.6 kHz) */
705     kSS_MF_128 = (3 << 20), /*!< Nss = 128 (fm ? 15.6 - 31.3 kHz) */
706     kSS_MF_64  = (4 << 20), /*!< Nss = 64 (fm ? 32.3 - 64.5 kHz) */
707     kSS_MF_32  = (5 << 20), /*!< Nss = 32 (fm ? 62.5- 125 kHz) */
708     kSS_MF_24  = (6 << 20), /*!< Nss ?= 24 (fm ? 83.3- 166.6 kHz) */
709     kSS_MF_16  = (7 << 20)  /*!< Nss = 16 (fm ? 125- 250 kHz) */
710 } ss_progmodfm_t;
711 
712 /*! @brief PLL Spread Spectrum (SS) Programmable frequency modulation depth
713  * See (MR) field in the SYSPLLSSCTRL1 register in the UM.
714  */
715 typedef enum _ss_progmoddp
716 {
717     kSS_MR_K0   = (0 << 23), /*!< k = 0 (no spread spectrum) */
718     kSS_MR_K1   = (1 << 23), /*!< k = 1 */
719     kSS_MR_K1_5 = (2 << 23), /*!< k = 1.5 */
720     kSS_MR_K2   = (3 << 23), /*!< k = 2 */
721     kSS_MR_K3   = (4 << 23), /*!< k = 3 */
722     kSS_MR_K4   = (5 << 23), /*!< k = 4 */
723     kSS_MR_K6   = (6 << 23), /*!< k = 6 */
724     kSS_MR_K8   = (7 << 23)  /*!< k = 8 */
725 } ss_progmoddp_t;
726 
727 /*! @brief PLL Spread Spectrum (SS) Modulation waveform control
728  * See (MC) field in the SYSPLLSSCTRL1 register in the UM.<br>
729  * Compensation for low pass filtering of the PLL to get a triangular
730  * modulation at the output of the PLL, giving a flat frequency spectrum.
731  */
732 typedef enum _ss_modwvctrl
733 {
734     kSS_MC_NOC  = (0 << 26), /*!< no compensation */
735     kSS_MC_RECC = (2 << 26), /*!< recommended setting */
736     kSS_MC_MAXC = (3 << 26), /*!< max. compensation */
737 } ss_modwvctrl_t;
738 
739 /*! @brief PLL configuration structure
740  *
741  * This structure can be used to configure the settings for a PLL
742  * setup structure. Fill in the desired configuration for the PLL
743  * and call the PLL setup function to fill in a PLL setup structure.
744  */
745 typedef struct _pll_config
746 {
747     uint32_t desiredRate; /*!< Desired PLL rate in Hz */
748     uint32_t inputRate;   /*!< PLL input clock in Hz, only used if PLL_CONFIGFLAG_USEINRATE flag is set */
749     uint32_t flags;       /*!< PLL configuration flags, Or'ed value of PLL_CONFIGFLAG_* definitions */
750     ss_progmodfm_t ss_mf; /*!< SS Programmable modulation frequency, only applicable when not using
751                              PLL_CONFIGFLAG_FORCENOFRACT flag */
752     ss_progmoddp_t ss_mr; /*!< SS Programmable frequency modulation depth, only applicable when not using
753                              PLL_CONFIGFLAG_FORCENOFRACT flag */
754     ss_modwvctrl_t
755         ss_mc; /*!< SS Modulation waveform control, only applicable when not using PLL_CONFIGFLAG_FORCENOFRACT flag */
756     bool mfDither; /*!< false for fixed modulation frequency or true for dithering, only applicable when not using
757                       PLL_CONFIGFLAG_FORCENOFRACT flag */
758 
759 } pll_config_t;
760 
761 /*! @brief PLL setup structure flags for 'flags' field
762  * These flags control how the PLL setup function sets up the PLL
763  */
764 #define PLL_SETUPFLAG_POWERUP (1U << 0U)  /*!< Setup will power on the PLL after setup */
765 #define PLL_SETUPFLAG_WAITLOCK (1U << 1U) /*!< Setup will wait for PLL to lock, implying the PLL will be pwoered on */
766 #define PLL_SETUPFLAG_ADGVOLT (1U << 2U)  /*!< Optimize system voltage for the new PLL rate */
767 #define PLL_SETUPFLAG_USEFEEDBACKDIV2 (1U << 3U) /*!< Use feedback divider by 2 in divider path */
768 
769 /*! @brief PLL setup structure
770  * This structure can be used to pre-build a PLL setup configuration
771  * at run-time and quickly set the PLL to the configuration. It can be
772  * populated with the PLL setup function. If powering up or waiting
773  * for PLL lock, the PLL input clock source should be configured prior
774  * to PLL setup.
775  */
776 typedef struct _pll_setup
777 {
778     uint32_t syspllctrl;      /*!< PLL control register SYSPLLCTRL */
779     uint32_t syspllndec;      /*!< PLL NDEC register SYSPLLNDEC */
780     uint32_t syspllpdec;      /*!< PLL PDEC register SYSPLLPDEC */
781     uint32_t syspllssctrl[2]; /*!< PLL SSCTL registers SYSPLLSSCTRL */
782     uint32_t pllRate;         /*!< Acutal PLL rate */
783     uint32_t flags;           /*!< PLL setup flags, Or'ed value of PLL_SETUPFLAG_* definitions */
784 } pll_setup_t;
785 
786 /*! @brief PLL status definitions
787  */
788 typedef enum _pll_error
789 {
790     kStatus_PLL_Success         = MAKE_STATUS(kStatusGroup_Generic, 0), /*!< PLL operation was successful */
791     kStatus_PLL_OutputTooLow    = MAKE_STATUS(kStatusGroup_Generic, 1), /*!< PLL output rate request was too low */
792     kStatus_PLL_OutputTooHigh   = MAKE_STATUS(kStatusGroup_Generic, 2), /*!< PLL output rate request was too high */
793     kStatus_PLL_InputTooLow     = MAKE_STATUS(kStatusGroup_Generic, 3), /*!< PLL input rate is too low */
794     kStatus_PLL_InputTooHigh    = MAKE_STATUS(kStatusGroup_Generic, 4), /*!< PLL input rate is too high */
795     kStatus_PLL_OutsideIntLimit = MAKE_STATUS(kStatusGroup_Generic, 5)  /*!< Requested output rate isn't possible */
796 } pll_error_t;
797 
798 /*! @brief USB clock source definition. */
799 typedef enum _clock_usb_src
800 {
801     kCLOCK_UsbSrcFro       = (uint32_t)kCLOCK_FroHf,      /*!< Use FRO 96 or 48 MHz. */
802     kCLOCK_UsbSrcSystemPll = (uint32_t)kCLOCK_PllOut,     /*!< Use System PLL output. */
803     kCLOCK_UsbSrcMainClock = (uint32_t)kCLOCK_CoreSysClk, /*!< Use Main clock.    */
804     kCLOCK_UsbSrcNone      = SYSCON_USBCLKSEL_SEL(
805         7) /*!< Use None, this may be selected in order to reduce power when no output is needed. */
806 } clock_usb_src_t;
807 
808 /*! @brief	Return System PLL output clock rate from setup structure
809  *  @param	pSetup	: Pointer to a PLL setup structure
810  *  @return	System PLL output clock rate calculated from the setup structure
811  */
812 uint32_t CLOCK_GetSystemPLLOutFromSetup(pll_setup_t *pSetup);
813 
814 /*! @brief	Set PLL output based on the passed PLL setup data
815  *  @param	pControl	: Pointer to populated PLL control structure to generate setup with
816  *  @param	pSetup		: Pointer to PLL setup structure to be filled
817  *  @return	PLL_ERROR_SUCCESS on success, or PLL setup error code
818  *  @note	Actual frequency for setup may vary from the desired frequency based on the
819  *  accuracy of input clocks, rounding, non-fractional PLL mode, etc.
820  */
821 pll_error_t CLOCK_SetupPLLData(pll_config_t *pControl, pll_setup_t *pSetup);
822 
823 /*! @brief	Set PLL output from PLL setup structure (precise frequency)
824  * @param	pSetup	: Pointer to populated PLL setup structure
825  * @param flagcfg : Flag configuration for PLL config structure
826  * @return	PLL_ERROR_SUCCESS on success, or PLL setup error code
827  * @note	This function will power off the PLL, setup the PLL with the
828  * new setup data, and then optionally powerup the PLL, wait for PLL lock,
829  * and adjust system voltages to the new PLL rate. The function will not
830  * alter any source clocks (ie, main systen clock) that may use the PLL,
831  * so these should be setup prior to and after exiting the function.
832  */
833 pll_error_t CLOCK_SetupSystemPLLPrec(pll_setup_t *pSetup, uint32_t flagcfg);
834 
835 /**
836  * @brief	Set PLL output from PLL setup structure (precise frequency)
837  * @param	pSetup	: Pointer to populated PLL setup structure
838  * @return	kStatus_PLL_Success on success, or PLL setup error code
839  * @note	This function will power off the PLL, setup the PLL with the
840  * new setup data, and then optionally powerup the PLL, wait for PLL lock,
841  * and adjust system voltages to the new PLL rate. The function will not
842  * alter any source clocks (ie, main systen clock) that may use the PLL,
843  * so these should be setup prior to and after exiting the function.
844  */
845 pll_error_t CLOCK_SetPLLFreq(const pll_setup_t *pSetup);
846 
847 /*! @brief	Set PLL output based on the multiplier and input frequency
848  * @param	multiply_by	: multiplier
849  * @param	input_freq	: Clock input frequency of the PLL
850  * @return	Nothing
851  * @note	Unlike the Chip_Clock_SetupSystemPLLPrec() function, this
852  * function does not disable or enable PLL power, wait for PLL lock,
853  * or adjust system voltages. These must be done in the application.
854  * The function will not alter any source clocks (ie, main systen clock)
855  * that may use the PLL, so these should be setup prior to and after
856  * exiting the function.
857  */
858 void CLOCK_SetupSystemPLLMult(uint32_t multiply_by, uint32_t input_freq);
859 
860 /*! @brief Disable USB FS clock.
861  *
862  * Disable USB FS clock.
863  */
CLOCK_DisableUsbfs0Clock(void)864 static inline void CLOCK_DisableUsbfs0Clock(void)
865 {
866     CLOCK_DisableClock(kCLOCK_Usbd0);
867 }
868 bool CLOCK_EnableUsbfs0Clock(clock_usb_src_t src, uint32_t freq);
869 
870 #if defined(__cplusplus)
871 }
872 #endif /* __cplusplus */
873 
874 /*! @} */
875 
876 #endif /* _FSL_CLOCK_H_ */
877