1 /*
2  * Copyright (c) 2016, Freescale Semiconductor, Inc.
3  * Copyright 2016, NXP
4  * All rights reserved.
5  *
6  *
7  * SPDX-License-Identifier: BSD-3-Clause
8  */
9 #ifndef _FSL_POWER_H_
10 #define _FSL_POWER_H_
11 
12 #include "fsl_common.h"
13 
14 /*! @addtogroup power */
15 /*! @{ */
16 
17 /*! @file */
18 
19 /*******************************************************************************
20  * Definitions
21  ******************************************************************************/
22 
23 /*! @name Driver version */
24 /*@{*/
25 /*! @brief power driver version 2.0.0. */
26 #define FSL_POWER_DRIVER_VERSION (MAKE_VERSION(2, 0, 0))
27 /*@}*/
28 
29 #define MAKE_PD_BITS(reg, slot) (((reg) << 8) | (slot))
30 #define PDRCFG0 0x0U
31 #define PDRCFG1 0x1U
32 
33 typedef enum pd_bits
34 {
35     kPDRUNCFG_PD_FRO_EN = MAKE_PD_BITS(PDRCFG0, 4U),
36     kPDRUNCFG_PD_FLASH = MAKE_PD_BITS(PDRCFG0, 5U),
37     kPDRUNCFG_PD_TEMPS = MAKE_PD_BITS(PDRCFG0, 6U),
38     kPDRUNCFG_PD_BOD_RESET = MAKE_PD_BITS(PDRCFG0, 7U),
39     kPDRUNCFG_PD_BOD_INTR = MAKE_PD_BITS(PDRCFG0, 8U),
40     kPDRUNCFG_PD_ADC0 = MAKE_PD_BITS(PDRCFG0, 10U),
41     kPDRUNCFG_PD_VDDFLASH = MAKE_PD_BITS(PDRCFG0, 11U),
42     kPDRUNCFG_LP_VDDFLASH = MAKE_PD_BITS(PDRCFG0, 12U),
43     kPDRUNCFG_PD_RAM0 = MAKE_PD_BITS(PDRCFG0, 13U),
44     kPDRUNCFG_PD_RAM1 = MAKE_PD_BITS(PDRCFG0, 14U),
45     kPDRUNCFG_PD_RAM2 = MAKE_PD_BITS(PDRCFG0, 15U),
46     kPDRUNCFG_PD_RAMX = MAKE_PD_BITS(PDRCFG0, 16U),
47     kPDRUNCFG_PD_ROM = MAKE_PD_BITS(PDRCFG0, 17U),
48     kPDRUNCFG_PD_VDDHV_ENA = MAKE_PD_BITS(PDRCFG0, 18U),
49     kPDRUNCFG_PD_VD7_ENA = MAKE_PD_BITS(PDRCFG0, 19U),
50     kPDRUNCFG_PD_WDT_OSC = MAKE_PD_BITS(PDRCFG0, 20U),
51     kPDRUNCFG_PD_USB0_PHY = MAKE_PD_BITS(PDRCFG0, 21U),
52     kPDRUNCFG_PD_SYS_PLL0 = MAKE_PD_BITS(PDRCFG0, 22U),
53     kPDRUNCFG_PD_VREFP_SW = MAKE_PD_BITS(PDRCFG0, 23U),
54     kPDRUNCFG_PD_FLASH_BG = MAKE_PD_BITS(PDRCFG0, 25U),
55 
56     kPDRUNCFG_PD_ALT_FLASH_IBG = MAKE_PD_BITS(PDRCFG1, 28U),
57     kPDRUNCFG_SEL_ALT_FLASH_IBG = MAKE_PD_BITS(PDRCFG1, 29U),
58 
59     /*
60     This enum member has no practical meaning,it is used to avoid MISRA issue,
61     user should not trying to use it.
62     */
63     kPDRUNCFG_ForceUnsigned = 0x80000000U
64 } pd_bit_t;
65 
66 /* Power mode configuration API parameter */
67 typedef enum _power_mode_config
68 {
69     kPmu_Sleep = 0U,
70     kPmu_Deep_Sleep = 1U,
71     kPmu_Deep_PowerDown = 2U,
72 } power_mode_cfg_t;
73 
74 /*******************************************************************************
75  * API
76  ******************************************************************************/
77 
78 #ifdef __cplusplus
79 extern "C" {
80 #endif
81 
82 /*!
83 * @name Power Configuration
84 * @{
85 */
86 
87 /*!
88  * @brief API to enable PDRUNCFG bit in the Syscon. Note that enabling the bit powers down the peripheral
89  *
90  * @param en    peripheral for which to enable the PDRUNCFG bit
91  * @return none
92  */
POWER_EnablePD(pd_bit_t en)93 static inline void POWER_EnablePD(pd_bit_t en)
94 {
95     /* PDRUNCFGSET */
96     SYSCON->PDRUNCFGSET[((uint32_t)en >> 8UL)] = (1UL << ((uint32_t)en & 0xffU));
97 }
98 
99 /*!
100  * @brief API to disable PDRUNCFG bit in the Syscon. Note that disabling the bit powers up the peripheral
101  *
102  * @param en    peripheral for which to disable the PDRUNCFG bit
103  * @return none
104  */
POWER_DisablePD(pd_bit_t en)105 static inline void POWER_DisablePD(pd_bit_t en)
106 {
107     /* PDRUNCFGCLR */
108     SYSCON->PDRUNCFGCLR[((uint32_t)en >> 8UL)] = (1UL << ((uint32_t)en & 0xffU));
109 }
110 
111 /*!
112  * @brief API to enable deep sleep bit in the ARM Core.
113  *
114  * @return none
115  */
POWER_EnableDeepSleep(void)116 static inline void POWER_EnableDeepSleep(void)
117 {
118     SCB->SCR |= SCB_SCR_SLEEPDEEP_Msk;
119 }
120 
121 /*!
122  * @brief API to disable deep sleep bit in the ARM Core.
123  *
124  * @return none
125  */
POWER_DisableDeepSleep(void)126 static inline void POWER_DisableDeepSleep(void)
127 {
128     SCB->SCR &= ~SCB_SCR_SLEEPDEEP_Msk;
129 }
130 
131 /*!
132  * @brief API to power down flash controller.
133  *
134  * @return none
135  */
POWER_PowerDownFlash(void)136 static inline void POWER_PowerDownFlash(void)
137 {
138     /* note, we retain flash trim to make waking back up faster */
139     SYSCON->PDRUNCFGSET[0] =
140         SYSCON_PDRUNCFG_LP_VDDFLASH_MASK | SYSCON_PDRUNCFG_PD_VDDHV_ENA_MASK | SYSCON_PDRUNCFG_PD_FLASH_BG_MASK;
141 
142 #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
143     /* TURN OFF clock for Flash Controller (only needed for FLASH programming, will be turned on by ROM API) */
144     CLOCK_DisableClock(kCLOCK_Flash);
145 
146     /* TURN OFF clock for Flash Accelerator */
147     CLOCK_DisableClock(kCLOCK_Fmc);
148 #endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
149 }
150 
151 /*!
152  * @brief API to power up flash controller.
153  *
154  * @return none
155  */
POWER_PowerUpFlash(void)156 static inline void POWER_PowerUpFlash(void)
157 {
158     SYSCON->PDRUNCFGCLR[0] = SYSCON_PDRUNCFG_LP_VDDFLASH_MASK | SYSCON_PDRUNCFG_PD_VDDHV_ENA_MASK;
159 
160 #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
161     /* TURN ON clock for flash Accelerator */
162     CLOCK_EnableClock(kCLOCK_Fmc);
163 
164     /* TURN ON clock for flash Controller */
165     CLOCK_EnableClock(kCLOCK_Flash);
166 #endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
167 }
168 
169 /*!
170  * @brief Power Library API to enter different power mode.
171  *
172  * @param exclude_from_pd  Bit mask of the PDRUNCFG bits that needs to be powered on during deep sleep
173  * @return none
174  */
175 void POWER_EnterPowerMode(power_mode_cfg_t mode, uint64_t exclude_from_pd);
176 
177 /*!
178  * @brief Power Library API to enter sleep mode.
179  *
180  * @return none
181  */
182 void POWER_EnterSleep(void);
183 
184 /*!
185  * @brief Power Library API to enter deep sleep mode.
186  *
187  * @param exclude_from_pd  Bit mask of the PDRUNCFG bits that needs to be powered on during deep sleep
188  * @return none
189  */
190 void POWER_EnterDeepSleep(uint64_t exclude_from_pd);
191 
192 /*!
193  * @brief Power Library API to enter deep power down mode.
194  *
195  * @param exclude_from_pd  Bit mask of the PDRUNCFG bits that needs to be powered on during deep power down mode,
196  *                         but this is has no effect as the voltages are cut off.
197  * @return none
198  */
199 void POWER_EnterDeepPowerDown(uint64_t exclude_from_pd);
200 
201 /*!
202  * @brief Power Library API to choose normal regulation and set the voltage for the desired operating frequency.
203  *
204  * @param freq  - The desired frequency at which the part would like to operate,
205  *                note that the voltage and flash wait states should be set before changing frequency
206  * @return none
207  */
208 void POWER_SetVoltageForFreq(uint32_t freq);
209 
210 /*!
211  * @brief Power Library API to choose low power regulation and set the voltage for the desired operating frequency.
212  *
213  * @param freq  - The desired frequency at which the part would like to operate,
214  *                note only 12MHz and 48Mhz are supported
215  * @return none
216  */
217 void POWER_SetLowPowerVoltageForFreq(uint32_t freq);
218 
219 /*!
220  * @brief Power Library API to return the library version.
221  *
222  * @return version number of the power library
223  */
224 uint32_t POWER_GetLibVersion(void);
225 
226 /* @} */
227 
228 #ifdef __cplusplus
229 }
230 #endif
231 
232 /*! @} */
233 
234 #endif /* _FSL_POWER_H_ */
235