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David Brazdil0f672f62019-12-10 10:32:29 +00001/* SPDX-License-Identifier: GPL-2.0-or-later */
Andrew Scullb4b6d4a2019-01-02 15:54:55 +00002/*
3 * include/linux/clk/at91_pmc.h
4 *
5 * Copyright (C) 2005 Ivan Kokshaysky
6 * Copyright (C) SAN People
7 *
8 * Power Management Controller (PMC) - System peripherals registers.
9 * Based on AT91RM9200 datasheet revision E.
Andrew Scullb4b6d4a2019-01-02 15:54:55 +000010 */
11
12#ifndef AT91_PMC_H
13#define AT91_PMC_H
14
Olivier Deprez157378f2022-04-04 15:47:50 +020015#define AT91_PMC_V1 (1) /* PMC version 1 */
16#define AT91_PMC_V2 (2) /* PMC version 2 [SAM9X60] */
17
Andrew Scullb4b6d4a2019-01-02 15:54:55 +000018#define AT91_PMC_SCER 0x00 /* System Clock Enable Register */
19#define AT91_PMC_SCDR 0x04 /* System Clock Disable Register */
20
21#define AT91_PMC_SCSR 0x08 /* System Clock Status Register */
22#define AT91_PMC_PCK (1 << 0) /* Processor Clock */
23#define AT91RM9200_PMC_UDP (1 << 1) /* USB Devcice Port Clock [AT91RM9200 only] */
24#define AT91RM9200_PMC_MCKUDP (1 << 2) /* USB Device Port Master Clock Automatic Disable on Suspend [AT91RM9200 only] */
25#define AT91RM9200_PMC_UHP (1 << 4) /* USB Host Port Clock [AT91RM9200 only] */
26#define AT91SAM926x_PMC_UHP (1 << 6) /* USB Host Port Clock [AT91SAM926x only] */
27#define AT91SAM926x_PMC_UDP (1 << 7) /* USB Devcice Port Clock [AT91SAM926x only] */
28#define AT91_PMC_PCK0 (1 << 8) /* Programmable Clock 0 */
29#define AT91_PMC_PCK1 (1 << 9) /* Programmable Clock 1 */
30#define AT91_PMC_PCK2 (1 << 10) /* Programmable Clock 2 */
31#define AT91_PMC_PCK3 (1 << 11) /* Programmable Clock 3 */
32#define AT91_PMC_PCK4 (1 << 12) /* Programmable Clock 4 [AT572D940HF only] */
33#define AT91_PMC_HCK0 (1 << 16) /* AHB Clock (USB host) [AT91SAM9261 only] */
34#define AT91_PMC_HCK1 (1 << 17) /* AHB Clock (LCD) [AT91SAM9261 only] */
35
Olivier Deprez157378f2022-04-04 15:47:50 +020036#define AT91_PMC_PLL_CTRL0 0x0C /* PLL Control Register 0 [for SAM9X60] */
37#define AT91_PMC_PLL_CTRL0_ENPLL (1 << 28) /* Enable PLL */
38#define AT91_PMC_PLL_CTRL0_ENPLLCK (1 << 29) /* Enable PLL clock for PMC */
39#define AT91_PMC_PLL_CTRL0_ENLOCK (1 << 31) /* Enable PLL lock */
40
41#define AT91_PMC_PLL_CTRL1 0x10 /* PLL Control Register 1 [for SAM9X60] */
42
Andrew Scullb4b6d4a2019-01-02 15:54:55 +000043#define AT91_PMC_PCER 0x10 /* Peripheral Clock Enable Register */
44#define AT91_PMC_PCDR 0x14 /* Peripheral Clock Disable Register */
45#define AT91_PMC_PCSR 0x18 /* Peripheral Clock Status Register */
46
Olivier Deprez157378f2022-04-04 15:47:50 +020047#define AT91_PMC_PLL_ACR 0x18 /* PLL Analog Control Register [for SAM9X60] */
48#define AT91_PMC_PLL_ACR_DEFAULT_UPLL 0x12020010UL /* Default PLL ACR value for UPLL */
49#define AT91_PMC_PLL_ACR_DEFAULT_PLLA 0x00020010UL /* Default PLL ACR value for PLLA */
50#define AT91_PMC_PLL_ACR_UTMIVR (1 << 12) /* UPLL Voltage regulator Control */
51#define AT91_PMC_PLL_ACR_UTMIBG (1 << 13) /* UPLL Bandgap Control */
52
Andrew Scullb4b6d4a2019-01-02 15:54:55 +000053#define AT91_CKGR_UCKR 0x1C /* UTMI Clock Register [some SAM9] */
54#define AT91_PMC_UPLLEN (1 << 16) /* UTMI PLL Enable */
55#define AT91_PMC_UPLLCOUNT (0xf << 20) /* UTMI PLL Start-up Time */
56#define AT91_PMC_BIASEN (1 << 24) /* UTMI BIAS Enable */
57#define AT91_PMC_BIASCOUNT (0xf << 28) /* UTMI BIAS Start-up Time */
58
Olivier Deprez157378f2022-04-04 15:47:50 +020059#define AT91_PMC_PLL_UPDT 0x1C /* PMC PLL update register [for SAM9X60] */
60#define AT91_PMC_PLL_UPDT_UPDATE (1 << 8) /* Update PLL settings */
61#define AT91_PMC_PLL_UPDT_ID (1 << 0) /* PLL ID */
62#define AT91_PMC_PLL_UPDT_ID_MSK (0xf) /* PLL ID mask */
63#define AT91_PMC_PLL_UPDT_STUPTIM (0xff << 16) /* Startup time */
64
Andrew Scullb4b6d4a2019-01-02 15:54:55 +000065#define AT91_CKGR_MOR 0x20 /* Main Oscillator Register [not on SAM9RL] */
66#define AT91_PMC_MOSCEN (1 << 0) /* Main Oscillator Enable */
67#define AT91_PMC_OSCBYPASS (1 << 1) /* Oscillator Bypass */
68#define AT91_PMC_WAITMODE (1 << 2) /* Wait Mode Command */
69#define AT91_PMC_MOSCRCEN (1 << 3) /* Main On-Chip RC Oscillator Enable [some SAM9] */
70#define AT91_PMC_OSCOUNT (0xff << 8) /* Main Oscillator Start-up Time */
71#define AT91_PMC_KEY_MASK (0xff << 16)
72#define AT91_PMC_KEY (0x37 << 16) /* MOR Writing Key */
73#define AT91_PMC_MOSCSEL (1 << 24) /* Main Oscillator Selection [some SAM9] */
74#define AT91_PMC_CFDEN (1 << 25) /* Clock Failure Detector Enable [some SAM9] */
75
76#define AT91_CKGR_MCFR 0x24 /* Main Clock Frequency Register */
77#define AT91_PMC_MAINF (0xffff << 0) /* Main Clock Frequency */
78#define AT91_PMC_MAINRDY (1 << 16) /* Main Clock Ready */
79
80#define AT91_CKGR_PLLAR 0x28 /* PLL A Register */
81#define AT91_CKGR_PLLBR 0x2c /* PLL B Register */
82#define AT91_PMC_DIV (0xff << 0) /* Divider */
83#define AT91_PMC_PLLCOUNT (0x3f << 8) /* PLL Counter */
84#define AT91_PMC_OUT (3 << 14) /* PLL Clock Frequency Range */
85#define AT91_PMC_MUL (0x7ff << 16) /* PLL Multiplier */
86#define AT91_PMC_MUL_GET(n) ((n) >> 16 & 0x7ff)
87#define AT91_PMC3_MUL (0x7f << 18) /* PLL Multiplier [SAMA5 only] */
88#define AT91_PMC3_MUL_GET(n) ((n) >> 18 & 0x7f)
89#define AT91_PMC_USBDIV (3 << 28) /* USB Divisor (PLLB only) */
90#define AT91_PMC_USBDIV_1 (0 << 28)
91#define AT91_PMC_USBDIV_2 (1 << 28)
92#define AT91_PMC_USBDIV_4 (2 << 28)
93#define AT91_PMC_USB96M (1 << 28) /* Divider by 2 Enable (PLLB only) */
94
David Brazdil0f672f62019-12-10 10:32:29 +000095#define AT91_PMC_CPU_CKR 0x28 /* CPU Clock Register */
96
Andrew Scullb4b6d4a2019-01-02 15:54:55 +000097#define AT91_PMC_MCKR 0x30 /* Master Clock Register */
98#define AT91_PMC_CSS (3 << 0) /* Master Clock Selection */
99#define AT91_PMC_CSS_SLOW (0 << 0)
100#define AT91_PMC_CSS_MAIN (1 << 0)
101#define AT91_PMC_CSS_PLLA (2 << 0)
102#define AT91_PMC_CSS_PLLB (3 << 0)
103#define AT91_PMC_CSS_UPLL (3 << 0) /* [some SAM9 only] */
104#define PMC_PRES_OFFSET 2
105#define AT91_PMC_PRES (7 << PMC_PRES_OFFSET) /* Master Clock Prescaler */
106#define AT91_PMC_PRES_1 (0 << PMC_PRES_OFFSET)
107#define AT91_PMC_PRES_2 (1 << PMC_PRES_OFFSET)
108#define AT91_PMC_PRES_4 (2 << PMC_PRES_OFFSET)
109#define AT91_PMC_PRES_8 (3 << PMC_PRES_OFFSET)
110#define AT91_PMC_PRES_16 (4 << PMC_PRES_OFFSET)
111#define AT91_PMC_PRES_32 (5 << PMC_PRES_OFFSET)
112#define AT91_PMC_PRES_64 (6 << PMC_PRES_OFFSET)
113#define PMC_ALT_PRES_OFFSET 4
114#define AT91_PMC_ALT_PRES (7 << PMC_ALT_PRES_OFFSET) /* Master Clock Prescaler [alternate location] */
115#define AT91_PMC_ALT_PRES_1 (0 << PMC_ALT_PRES_OFFSET)
116#define AT91_PMC_ALT_PRES_2 (1 << PMC_ALT_PRES_OFFSET)
117#define AT91_PMC_ALT_PRES_4 (2 << PMC_ALT_PRES_OFFSET)
118#define AT91_PMC_ALT_PRES_8 (3 << PMC_ALT_PRES_OFFSET)
119#define AT91_PMC_ALT_PRES_16 (4 << PMC_ALT_PRES_OFFSET)
120#define AT91_PMC_ALT_PRES_32 (5 << PMC_ALT_PRES_OFFSET)
121#define AT91_PMC_ALT_PRES_64 (6 << PMC_ALT_PRES_OFFSET)
122#define AT91_PMC_MDIV (3 << 8) /* Master Clock Division */
123#define AT91RM9200_PMC_MDIV_1 (0 << 8) /* [AT91RM9200 only] */
124#define AT91RM9200_PMC_MDIV_2 (1 << 8)
125#define AT91RM9200_PMC_MDIV_3 (2 << 8)
126#define AT91RM9200_PMC_MDIV_4 (3 << 8)
127#define AT91SAM9_PMC_MDIV_1 (0 << 8) /* [SAM9 only] */
128#define AT91SAM9_PMC_MDIV_2 (1 << 8)
129#define AT91SAM9_PMC_MDIV_4 (2 << 8)
130#define AT91SAM9_PMC_MDIV_6 (3 << 8) /* [some SAM9 only] */
131#define AT91SAM9_PMC_MDIV_3 (3 << 8) /* [some SAM9 only] */
132#define AT91_PMC_PDIV (1 << 12) /* Processor Clock Division [some SAM9 only] */
133#define AT91_PMC_PDIV_1 (0 << 12)
134#define AT91_PMC_PDIV_2 (1 << 12)
135#define AT91_PMC_PLLADIV2 (1 << 12) /* PLLA divisor by 2 [some SAM9 only] */
136#define AT91_PMC_PLLADIV2_OFF (0 << 12)
137#define AT91_PMC_PLLADIV2_ON (1 << 12)
138#define AT91_PMC_H32MXDIV BIT(24)
139
Olivier Deprez157378f2022-04-04 15:47:50 +0200140#define AT91_PMC_XTALF 0x34 /* Main XTAL Frequency Register [SAMA7G5 only] */
141
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000142#define AT91_PMC_USB 0x38 /* USB Clock Register [some SAM9 only] */
143#define AT91_PMC_USBS (0x1 << 0) /* USB OHCI Input clock selection */
144#define AT91_PMC_USBS_PLLA (0 << 0)
145#define AT91_PMC_USBS_UPLL (1 << 0)
146#define AT91_PMC_USBS_PLLB (1 << 0) /* [AT91SAMN12 only] */
147#define AT91_PMC_OHCIUSBDIV (0xF << 8) /* Divider for USB OHCI Clock */
148#define AT91_PMC_OHCIUSBDIV_1 (0x0 << 8)
149#define AT91_PMC_OHCIUSBDIV_2 (0x1 << 8)
150
151#define AT91_PMC_SMD 0x3c /* Soft Modem Clock Register [some SAM9 only] */
152#define AT91_PMC_SMDS (0x1 << 0) /* SMD input clock selection */
153#define AT91_PMC_SMD_DIV (0x1f << 8) /* SMD input clock divider */
154#define AT91_PMC_SMDDIV(n) (((n) << 8) & AT91_PMC_SMD_DIV)
155
156#define AT91_PMC_PCKR(n) (0x40 + ((n) * 4)) /* Programmable Clock 0-N Registers */
157#define AT91_PMC_ALT_PCKR_CSS (0x7 << 0) /* Programmable Clock Source Selection [alternate length] */
158#define AT91_PMC_CSS_MASTER (4 << 0) /* [some SAM9 only] */
159#define AT91_PMC_CSSMCK (0x1 << 8) /* CSS or Master Clock Selection */
160#define AT91_PMC_CSSMCK_CSS (0 << 8)
161#define AT91_PMC_CSSMCK_MCK (1 << 8)
162
163#define AT91_PMC_IER 0x60 /* Interrupt Enable Register */
164#define AT91_PMC_IDR 0x64 /* Interrupt Disable Register */
165#define AT91_PMC_SR 0x68 /* Status Register */
166#define AT91_PMC_MOSCS (1 << 0) /* MOSCS Flag */
167#define AT91_PMC_LOCKA (1 << 1) /* PLLA Lock */
168#define AT91_PMC_LOCKB (1 << 2) /* PLLB Lock */
169#define AT91_PMC_MCKRDY (1 << 3) /* Master Clock */
170#define AT91_PMC_LOCKU (1 << 6) /* UPLL Lock [some SAM9] */
171#define AT91_PMC_OSCSEL (1 << 7) /* Slow Oscillator Selection [some SAM9] */
172#define AT91_PMC_PCK0RDY (1 << 8) /* Programmable Clock 0 */
173#define AT91_PMC_PCK1RDY (1 << 9) /* Programmable Clock 1 */
174#define AT91_PMC_PCK2RDY (1 << 10) /* Programmable Clock 2 */
175#define AT91_PMC_PCK3RDY (1 << 11) /* Programmable Clock 3 */
176#define AT91_PMC_MOSCSELS (1 << 16) /* Main Oscillator Selection [some SAM9] */
177#define AT91_PMC_MOSCRCS (1 << 17) /* Main On-Chip RC [some SAM9] */
178#define AT91_PMC_CFDEV (1 << 18) /* Clock Failure Detector Event [some SAM9] */
179#define AT91_PMC_GCKRDY (1 << 24) /* Generated Clocks */
Olivier Deprez157378f2022-04-04 15:47:50 +0200180#define AT91_PMC_MCKXRDY (1 << 26) /* Master Clock x [x=1..4] Ready Status */
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000181#define AT91_PMC_IMR 0x6c /* Interrupt Mask Register */
182
183#define AT91_PMC_FSMR 0x70 /* Fast Startup Mode Register */
184#define AT91_PMC_FSTT(n) BIT(n)
David Brazdil0f672f62019-12-10 10:32:29 +0000185#define AT91_PMC_RTTAL BIT(16)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000186#define AT91_PMC_RTCAL BIT(17) /* RTC Alarm Enable */
187#define AT91_PMC_USBAL BIT(18) /* USB Resume Enable */
188#define AT91_PMC_SDMMC_CD BIT(19) /* SDMMC Card Detect Enable */
189#define AT91_PMC_LPM BIT(20) /* Low-power Mode */
190#define AT91_PMC_RXLP_MCE BIT(24) /* Backup UART Receive Enable */
191#define AT91_PMC_ACC_CE BIT(25) /* ACC Enable */
192
193#define AT91_PMC_FSPR 0x74 /* Fast Startup Polarity Reg */
194
195#define AT91_PMC_FS_INPUT_MASK 0x7ff
196
197#define AT91_PMC_PLLICPR 0x80 /* PLL Charge Pump Current Register */
198
199#define AT91_PMC_PROT 0xe4 /* Write Protect Mode Register [some SAM9] */
200#define AT91_PMC_WPEN (0x1 << 0) /* Write Protect Enable */
201#define AT91_PMC_WPKEY (0xffffff << 8) /* Write Protect Key */
202#define AT91_PMC_PROTKEY (0x504d43 << 8) /* Activation Code */
203
204#define AT91_PMC_WPSR 0xe8 /* Write Protect Status Register [some SAM9] */
205#define AT91_PMC_WPVS (0x1 << 0) /* Write Protect Violation Status */
206#define AT91_PMC_WPVSRC (0xffff << 8) /* Write Protect Violation Source */
207
Olivier Deprez157378f2022-04-04 15:47:50 +0200208#define AT91_PMC_PLL_ISR0 0xEC /* PLL Interrupt Status Register 0 [SAM9X60 only] */
209
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000210#define AT91_PMC_PCER1 0x100 /* Peripheral Clock Enable Register 1 [SAMA5 only]*/
211#define AT91_PMC_PCDR1 0x104 /* Peripheral Clock Enable Register 1 */
212#define AT91_PMC_PCSR1 0x108 /* Peripheral Clock Enable Register 1 */
213
214#define AT91_PMC_PCR 0x10c /* Peripheral Control Register [some SAM9 and SAMA5] */
215#define AT91_PMC_PCR_PID_MASK 0x3f
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000216#define AT91_PMC_PCR_CMD (0x1 << 12) /* Command (read=0, write=1) */
David Brazdil0f672f62019-12-10 10:32:29 +0000217#define AT91_PMC_PCR_GCKDIV_MASK GENMASK(27, 20)
Andrew Scullb4b6d4a2019-01-02 15:54:55 +0000218#define AT91_PMC_PCR_EN (0x1 << 28) /* Enable */
219#define AT91_PMC_PCR_GCKEN (0x1 << 29) /* GCK Enable */
220
221#define AT91_PMC_AUDIO_PLL0 0x14c
222#define AT91_PMC_AUDIO_PLL_PLLEN (1 << 0)
223#define AT91_PMC_AUDIO_PLL_PADEN (1 << 1)
224#define AT91_PMC_AUDIO_PLL_PMCEN (1 << 2)
225#define AT91_PMC_AUDIO_PLL_RESETN (1 << 3)
226#define AT91_PMC_AUDIO_PLL_ND_OFFSET 8
227#define AT91_PMC_AUDIO_PLL_ND_MASK (0x7f << AT91_PMC_AUDIO_PLL_ND_OFFSET)
228#define AT91_PMC_AUDIO_PLL_ND(n) ((n) << AT91_PMC_AUDIO_PLL_ND_OFFSET)
229#define AT91_PMC_AUDIO_PLL_QDPMC_OFFSET 16
230#define AT91_PMC_AUDIO_PLL_QDPMC_MASK (0x7f << AT91_PMC_AUDIO_PLL_QDPMC_OFFSET)
231#define AT91_PMC_AUDIO_PLL_QDPMC(n) ((n) << AT91_PMC_AUDIO_PLL_QDPMC_OFFSET)
232
233#define AT91_PMC_AUDIO_PLL1 0x150
234#define AT91_PMC_AUDIO_PLL_FRACR_MASK 0x3fffff
235#define AT91_PMC_AUDIO_PLL_QDPAD_OFFSET 24
236#define AT91_PMC_AUDIO_PLL_QDPAD_MASK (0x7f << AT91_PMC_AUDIO_PLL_QDPAD_OFFSET)
237#define AT91_PMC_AUDIO_PLL_QDPAD(n) ((n) << AT91_PMC_AUDIO_PLL_QDPAD_OFFSET)
238#define AT91_PMC_AUDIO_PLL_QDPAD_DIV_OFFSET AT91_PMC_AUDIO_PLL_QDPAD_OFFSET
239#define AT91_PMC_AUDIO_PLL_QDPAD_DIV_MASK (0x3 << AT91_PMC_AUDIO_PLL_QDPAD_DIV_OFFSET)
240#define AT91_PMC_AUDIO_PLL_QDPAD_DIV(n) ((n) << AT91_PMC_AUDIO_PLL_QDPAD_DIV_OFFSET)
241#define AT91_PMC_AUDIO_PLL_QDPAD_EXTDIV_OFFSET 26
242#define AT91_PMC_AUDIO_PLL_QDPAD_EXTDIV_MAX 0x1f
243#define AT91_PMC_AUDIO_PLL_QDPAD_EXTDIV_MASK (AT91_PMC_AUDIO_PLL_QDPAD_EXTDIV_MAX << AT91_PMC_AUDIO_PLL_QDPAD_EXTDIV_OFFSET)
244#define AT91_PMC_AUDIO_PLL_QDPAD_EXTDIV(n) ((n) << AT91_PMC_AUDIO_PLL_QDPAD_EXTDIV_OFFSET)
245
246#endif