Zephyr Project API 4.3.99
A Scalable Open Source RTOS
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stm32n6_clock.h
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1/*
2 * Copyright (c) 2024 STMicroelectronics
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32N6_CLOCK_H_
7#define ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32N6_CLOCK_H_
8
10
12
13/* RM0486, Figures 37 and 45 on clock distribution description */
14
16/* defined in stm32_common_clocks.h */
18#define STM32_SRC_HSE (STM32_SRC_LSI + 1)
19#define STM32_SRC_HSI (STM32_SRC_HSE + 1)
20#define STM32_SRC_MSI (STM32_SRC_HSI + 1)
22#define STM32_SRC_PLL1 (STM32_SRC_MSI + 1)
23#define STM32_SRC_PLL2 (STM32_SRC_PLL1 + 1)
24#define STM32_SRC_PLL3 (STM32_SRC_PLL2 + 1)
25#define STM32_SRC_PLL4 (STM32_SRC_PLL3 + 1)
27#define STM32_SRC_CKPER (STM32_SRC_PLL4 + 1)
28#define STM32_SRC_IC1 (STM32_SRC_CKPER + 1)
29#define STM32_SRC_IC2 (STM32_SRC_IC1 + 1)
30#define STM32_SRC_IC3 (STM32_SRC_IC2 + 1)
31#define STM32_SRC_IC4 (STM32_SRC_IC3 + 1)
32#define STM32_SRC_IC5 (STM32_SRC_IC4 + 1)
33#define STM32_SRC_IC6 (STM32_SRC_IC5 + 1)
34#define STM32_SRC_IC7 (STM32_SRC_IC6 + 1)
35#define STM32_SRC_IC8 (STM32_SRC_IC7 + 1)
36#define STM32_SRC_IC9 (STM32_SRC_IC8 + 1)
37#define STM32_SRC_IC10 (STM32_SRC_IC9 + 1)
38#define STM32_SRC_IC11 (STM32_SRC_IC10 + 1)
39#define STM32_SRC_IC12 (STM32_SRC_IC11 + 1)
40#define STM32_SRC_IC13 (STM32_SRC_IC12 + 1)
41#define STM32_SRC_IC14 (STM32_SRC_IC13 + 1)
42#define STM32_SRC_IC15 (STM32_SRC_IC14 + 1)
43#define STM32_SRC_IC16 (STM32_SRC_IC15 + 1)
44#define STM32_SRC_IC17 (STM32_SRC_IC16 + 1)
45#define STM32_SRC_IC18 (STM32_SRC_IC17 + 1)
46#define STM32_SRC_IC19 (STM32_SRC_IC18 + 1)
47#define STM32_SRC_IC20 (STM32_SRC_IC19 + 1)
48#define STM32_SRC_HSI_DIV (STM32_SRC_IC20 + 1)
49#define STM32_SRC_TIMG (STM32_SRC_HSI_DIV + 1)
50#define STM32_SRC_HCLK1 (STM32_SRC_TIMG + 1)
51#define STM32_SRC_HCLK2 (STM32_SRC_HCLK1 + 1)
52#define STM32_SRC_HCLK3 (STM32_SRC_HCLK2 + 1)
53#define STM32_SRC_HCLK4 (STM32_SRC_HCLK3 + 1)
54#define STM32_SRC_HCLK5 (STM32_SRC_HCLK4 + 1)
55#define STM32_SRC_PCLK1 (STM32_SRC_HCLK5 + 1)
56#define STM32_SRC_PCLK2 (STM32_SRC_PCLK1 + 1)
57#define STM32_SRC_PCLK4 (STM32_SRC_PCLK2 + 1)
58#define STM32_SRC_PCLK5 (STM32_SRC_PCLK4 + 1)
59
61/* #define STM32_SRC_I2SCKIN TBD */
62
64#define STM32_CLOCK_BUS_MISC 0x248
65#define STM32_CLOCK_BUS_MEM 0x24C
66#define STM32_CLOCK_BUS_AHB1 0x250
67#define STM32_CLOCK_BUS_AHB2 0x254
68#define STM32_CLOCK_BUS_AHB3 0x258
69#define STM32_CLOCK_BUS_AHB4 0x25C
70#define STM32_CLOCK_BUS_AHB5 0x260
71#define STM32_CLOCK_BUS_APB1 0x264
72#define STM32_CLOCK_BUS_APB1_2 0x268
73#define STM32_CLOCK_BUS_APB2 0x26C
74#define STM32_CLOCK_BUS_APB3 0x270
75#define STM32_CLOCK_BUS_APB4 0x274
76#define STM32_CLOCK_BUS_APB4_2 0x278
77#define STM32_CLOCK_BUS_APB5 0x27C
78
79#define STM32_CLOCK_LP_BUS_SHIFT 0x40
80
81#define STM32_PERIPH_BUS_MIN STM32_CLOCK_BUS_MISC
82#define STM32_PERIPH_BUS_MAX STM32_CLOCK_BUS_APB5
83
85#define CCIPR1_REG 0x144
86#define CCIPR2_REG 0x148
87#define CCIPR3_REG 0x14C
88#define CCIPR4_REG 0x150
89#define CCIPR5_REG 0x154
90#define CCIPR6_REG 0x158
91#define CCIPR7_REG 0x15C
92#define CCIPR8_REG 0x160
93#define CCIPR9_REG 0x164
94#define CCIPR12_REG 0x170
95#define CCIPR13_REG 0x174
96#define CCIPR14_REG 0x178
97
100#define ADF1_SEL(val) STM32_DT_CLOCK_SELECT((val), 2, 0, CCIPR1_REG)
101#define ADC12_SEL(val) STM32_DT_CLOCK_SELECT((val), 6, 4, CCIPR1_REG)
102#define ADC_PRE(val) STM32_DT_CLOCK_SELECT((val), 15, 8, CCIPR1_REG)
103#define DCMIPP_SEL(val) STM32_DT_CLOCK_SELECT((val), 21, 20, CCIPR1_REG)
105#define ETH1PTP_SEL(val) STM32_DT_CLOCK_SELECT((val), 1, 0, CCIPR2_REG)
106#define ETH1CLK_SEL(val) STM32_DT_CLOCK_SELECT((val), 13, 12, CCIPR2_REG)
107#define ETH1_SEL(val) STM32_DT_CLOCK_SELECT((val), 18, 16, CCIPR2_REG)
108#define ETH1REFCLK_SEL(val) STM32_DT_CLOCK_SELECT((val), 20, 20, CCIPR2_REG)
109#define ETH1GTXCLK_SEL(val) STM32_DT_CLOCK_SELECT((val), 24, 24, CCIPR2_REG)
111#define FDCAN_SEL(val) STM32_DT_CLOCK_SELECT((val), 1, 0, CCIPR3_REG)
112#define FMC_SEL(val) STM32_DT_CLOCK_SELECT((val), 5, 4, CCIPR3_REG)
114#define I2C1_SEL(val) STM32_DT_CLOCK_SELECT((val), 2, 0, CCIPR4_REG)
115#define I2C2_SEL(val) STM32_DT_CLOCK_SELECT((val), 6, 4, CCIPR4_REG)
116#define I2C3_SEL(val) STM32_DT_CLOCK_SELECT((val), 10, 8, CCIPR4_REG)
117#define I2C4_SEL(val) STM32_DT_CLOCK_SELECT((val), 14, 12, CCIPR4_REG)
118#define I3C1_SEL(val) STM32_DT_CLOCK_SELECT((val), 18, 16, CCIPR4_REG)
119#define I3C2_SEL(val) STM32_DT_CLOCK_SELECT((val), 22, 20, CCIPR4_REG)
120#define LTDC_SEL(val) STM32_DT_CLOCK_SELECT((val), 25, 24, CCIPR4_REG)
122#define MCO1_SEL(val) STM32_DT_CLOCK_SELECT((val), 2, 0, CCIPR5_REG)
123#define MCO1_PRE(val) STM32_DT_CLOCK_SELECT((val), 7, 4, CCIPR5_REG)
124#define MCO2_SEL(val) STM32_DT_CLOCK_SELECT((val), 10, 8, CCIPR5_REG)
125#define MCO2_PRE(val) STM32_DT_CLOCK_SELECT((val), 15, 12, CCIPR5_REG)
126
127/* MCO1 source */
128#define MCO1_SEL_HSI 0
129#define MCO1_SEL_LSE 1
130#define MCO1_SEL_MSI 2
131#define MCO1_SEL_LSI 3
132#define MCO1_SEL_HSE 4
133#define MCO1_SEL_IC5 5
134#define MCO1_SEL_IC10 6
135#define MCO1_SEL_SYSA 7
136
137/* MCO2 source */
138#define MCO2_SEL_HSI 0
139#define MCO2_SEL_LSE 1
140#define MCO2_SEL_MSI 2
141#define MCO2_SEL_LSI 3
142#define MCO2_SEL_HSE 4
143#define MCO2_SEL_IC15 5
144#define MCO2_SEL_IC20 6
145#define MCO2_SEL_SYSB 7
146
147/* MCO prescaler : division factor */
148#define MCO_PRE_DIV_1 0
149#define MCO_PRE_DIV_2 1
150#define MCO_PRE_DIV_3 2
151#define MCO_PRE_DIV_4 3
152#define MCO_PRE_DIV_5 4
153#define MCO_PRE_DIV_6 5
154#define MCO_PRE_DIV_7 6
155#define MCO_PRE_DIV_8 7
156#define MCO_PRE_DIV_9 8
157#define MCO_PRE_DIV_10 9
158#define MCO_PRE_DIV_11 10
159#define MCO_PRE_DIV_12 11
160#define MCO_PRE_DIV_13 12
161#define MCO_PRE_DIV_14 13
162#define MCO_PRE_DIV_15 14
163#define MCO_PRE_DIV_16 15
164
165#define MDF1SEL(val) STM32_DT_CLOCK_SELECT((val), 18, 16, CCIPR5_REG)
167#define XSPI1_SEL(val) STM32_DT_CLOCK_SELECT((val), 1, 0, CCIPR6_REG)
168#define XSPI2_SEL(val) STM32_DT_CLOCK_SELECT((val), 5, 4, CCIPR6_REG)
169#define XSPI3_SEL(val) STM32_DT_CLOCK_SELECT((val), 9, 8, CCIPR6_REG)
170#define OTGPHY1_SEL(val) STM32_DT_CLOCK_SELECT((val), 13, 12, CCIPR6_REG)
171#define OTGPHY1CKREF_SEL(val) STM32_DT_CLOCK_SELECT((val), 16, 16, CCIPR6_REG)
172#define OTGPHY2_SEL(val) STM32_DT_CLOCK_SELECT((val), 21, 20, CCIPR6_REG)
173#define OTGPHY2CKREF_SEL(val) STM32_DT_CLOCK_SELECT((val), 24, 24, CCIPR6_REG)
175#define PER_SEL(val) STM32_DT_CLOCK_SELECT((val), 2, 0, CCIPR7_REG)
176#define PSSI_SEL(val) STM32_DT_CLOCK_SELECT((val), 5, 4, CCIPR7_REG)
177#define RTC_SEL(val) STM32_DT_CLOCK_SELECT((val), 9, 8, CCIPR7_REG)
178#define SAI1_SEL(val) STM32_DT_CLOCK_SELECT((val), 22, 20, CCIPR7_REG)
179#define SAI2_SEL(val) STM32_DT_CLOCK_SELECT((val), 26, 24, CCIPR7_REG)
181#define SDMMC1_SEL(val) STM32_DT_CLOCK_SELECT((val), 1, 0, CCIPR8_REG)
182#define SDMMC2_SEL(val) STM32_DT_CLOCK_SELECT((val), 5, 4, CCIPR8_REG)
184#define SPDIFRX1_SEL(val) STM32_DT_CLOCK_SELECT((val), 2, 0, CCIPR9_REG)
185#define SPI1_SEL(val) STM32_DT_CLOCK_SELECT((val), 6, 4, CCIPR9_REG)
186#define SPI2_SEL(val) STM32_DT_CLOCK_SELECT((val), 10, 8, CCIPR9_REG)
187#define SPI3_SEL(val) STM32_DT_CLOCK_SELECT((val), 14, 12, CCIPR9_REG)
188#define SPI4_SEL(val) STM32_DT_CLOCK_SELECT((val), 18, 16, CCIPR9_REG)
189#define SPI5_SEL(val) STM32_DT_CLOCK_SELECT((val), 22, 20, CCIPR9_REG)
190#define SPI6_SEL(val) STM32_DT_CLOCK_SELECT((val), 26, 24, CCIPR9_REG)
192#define LPTIM1_SEL(val) STM32_DT_CLOCK_SELECT((val), 10, 8, CCIPR12_REG)
193#define LPTIM2_SEL(val) STM32_DT_CLOCK_SELECT((val), 14, 12, CCIPR12_REG)
194#define LPTIM3_SEL(val) STM32_DT_CLOCK_SELECT((val), 18, 16, CCIPR12_REG)
195#define LPTIM4_SEL(val) STM32_DT_CLOCK_SELECT((val), 22, 20, CCIPR12_REG)
196#define LPTIM5_SEL(val) STM32_DT_CLOCK_SELECT((val), 26, 24, CCIPR12_REG)
198#define USART1_SEL(val) STM32_DT_CLOCK_SELECT((val), 2, 0, CCIPR13_REG)
199#define USART2_SEL(val) STM32_DT_CLOCK_SELECT((val), 6, 4, CCIPR13_REG)
200#define USART3_SEL(val) STM32_DT_CLOCK_SELECT((val), 10, 8, CCIPR13_REG)
201#define UART4_SEL(val) STM32_DT_CLOCK_SELECT((val), 14, 12, CCIPR13_REG)
202#define UART5_SEL(val) STM32_DT_CLOCK_SELECT((val), 18, 16, CCIPR13_REG)
203#define USART6_SEL(val) STM32_DT_CLOCK_SELECT((val), 22, 20, CCIPR13_REG)
204#define UART7_SEL(val) STM32_DT_CLOCK_SELECT((val), 26, 24, CCIPR13_REG)
205#define UART8_SEL(val) STM32_DT_CLOCK_SELECT((val), 30, 28, CCIPR13_REG)
207#define UART9_SEL(val) STM32_DT_CLOCK_SELECT((val), 2, 0, CCIPR14_REG)
208#define USART10_SEL(val) STM32_DT_CLOCK_SELECT((val), 6, 4, CCIPR14_REG)
209#define LPUART1_SEL(val) STM32_DT_CLOCK_SELECT((val), 10, 8, CCIPR14_REG)
210
212#define ICxCFGR_REG(ic) (0xC4 + ((ic) - 1) * 4)
213
215#define ICx_PLLy_SEL(ic, pll) STM32_DT_CLOCK_SELECT((pll) - 1, 29, 28, ICxCFGR_REG(ic))
216
218#define CFGR1_REG 0x20
219
221#define CPU_SEL(val) STM32_DT_CLOCK_SELECT((val), 17, 16, CFGR1_REG)
222
223/* ADC prescaler division factor helper */
224#define ADC_PRE_DIV(pres) ((pres - 1) & 0xFFU)
225
226#endif /* ZEPHYR_INCLUDE_DT_BINDINGS_CLOCK_STM32N6_CLOCK_H_ */