xref: /linux/Documentation/devicetree/bindings/clock/st,stm32mp21-rcc.yaml (revision 522ba450b56fff29f868b1552bdc2965f55de7ed) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/clock/st,stm32mp21-rcc.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: STM32MP21 Reset Clock Controller
8
9maintainers:
10  - Gabriel Fernandez <gabriel.fernandez@foss.st.com>
11
12description: |
13  The RCC hardware block is both a reset and a clock controller.
14  RCC makes also power management (resume/suspend).
15
16  See also:
17    include/dt-bindings/clock/st,stm32mp21-rcc.h
18    include/dt-bindings/reset/st,stm32mp21-rcc.h
19
20properties:
21  compatible:
22    enum:
23      - st,stm32mp21-rcc
24
25  reg:
26    maxItems: 1
27
28  '#clock-cells':
29    const: 1
30
31  '#reset-cells':
32    const: 1
33
34  clocks:
35    items:
36      - description: CK_SCMI_HSE High Speed External oscillator (8 to 48 MHz)
37      - description: CK_SCMI_HSI High Speed Internal oscillator (~ 64 MHz)
38      - description: CK_SCMI_MSI Low Power Internal oscillator (~ 4 MHz or ~ 16 MHz)
39      - description: CK_SCMI_LSE Low Speed External oscillator (32 KHz)
40      - description: CK_SCMI_LSI Low Speed Internal oscillator (~ 32 KHz)
41      - description: CK_SCMI_HSE_DIV2 CK_SCMI_HSE divided by 2 (could be gated)
42      - description: CK_SCMI_ICN_HS_MCU High Speed interconnect bus clock
43      - description: CK_SCMI_ICN_LS_MCU Low Speed interconnect bus clock
44      - description: CK_SCMI_ICN_SDMMC SDMMC interconnect bus clock
45      - description: CK_SCMI_ICN_DDR DDR interconnect bus clock
46      - description: CK_SCMI_ICN_DISPLAY Display interconnect bus clock
47      - description: CK_SCMI_ICN_HSL HSL interconnect bus clock
48      - description: CK_SCMI_ICN_NIC NIC interconnect bus clock
49      - description: CK_SCMI_FLEXGEN_07 flexgen clock 7
50      - description: CK_SCMI_FLEXGEN_08 flexgen clock 8
51      - description: CK_SCMI_FLEXGEN_09 flexgen clock 9
52      - description: CK_SCMI_FLEXGEN_10 flexgen clock 10
53      - description: CK_SCMI_FLEXGEN_11 flexgen clock 11
54      - description: CK_SCMI_FLEXGEN_12 flexgen clock 12
55      - description: CK_SCMI_FLEXGEN_13 flexgen clock 13
56      - description: CK_SCMI_FLEXGEN_14 flexgen clock 14
57      - description: CK_SCMI_FLEXGEN_16 flexgen clock 16
58      - description: CK_SCMI_FLEXGEN_17 flexgen clock 17
59      - description: CK_SCMI_FLEXGEN_18 flexgen clock 18
60      - description: CK_SCMI_FLEXGEN_19 flexgen clock 19
61      - description: CK_SCMI_FLEXGEN_20 flexgen clock 20
62      - description: CK_SCMI_FLEXGEN_21 flexgen clock 21
63      - description: CK_SCMI_FLEXGEN_22 flexgen clock 22
64      - description: CK_SCMI_FLEXGEN_23 flexgen clock 23
65      - description: CK_SCMI_FLEXGEN_24 flexgen clock 24
66      - description: CK_SCMI_FLEXGEN_25 flexgen clock 25
67      - description: CK_SCMI_FLEXGEN_26 flexgen clock 26
68      - description: CK_SCMI_FLEXGEN_27 flexgen clock 27
69      - description: CK_SCMI_FLEXGEN_29 flexgen clock 29
70      - description: CK_SCMI_FLEXGEN_30 flexgen clock 30
71      - description: CK_SCMI_FLEXGEN_31 flexgen clock 31
72      - description: CK_SCMI_FLEXGEN_33 flexgen clock 33
73      - description: CK_SCMI_FLEXGEN_36 flexgen clock 36
74      - description: CK_SCMI_FLEXGEN_37 flexgen clock 37
75      - description: CK_SCMI_FLEXGEN_38 flexgen clock 38
76      - description: CK_SCMI_FLEXGEN_39 flexgen clock 39
77      - description: CK_SCMI_FLEXGEN_40 flexgen clock 40
78      - description: CK_SCMI_FLEXGEN_41 flexgen clock 41
79      - description: CK_SCMI_FLEXGEN_42 flexgen clock 42
80      - description: CK_SCMI_FLEXGEN_43 flexgen clock 43
81      - description: CK_SCMI_FLEXGEN_44 flexgen clock 44
82      - description: CK_SCMI_FLEXGEN_45 flexgen clock 45
83      - description: CK_SCMI_FLEXGEN_46 flexgen clock 46
84      - description: CK_SCMI_FLEXGEN_47 flexgen clock 47
85      - description: CK_SCMI_FLEXGEN_48 flexgen clock 48
86      - description: CK_SCMI_FLEXGEN_50 flexgen clock 50
87      - description: CK_SCMI_FLEXGEN_51 flexgen clock 51
88      - description: CK_SCMI_FLEXGEN_52 flexgen clock 52
89      - description: CK_SCMI_FLEXGEN_53 flexgen clock 53
90      - description: CK_SCMI_FLEXGEN_54 flexgen clock 54
91      - description: CK_SCMI_FLEXGEN_55 flexgen clock 55
92      - description: CK_SCMI_FLEXGEN_56 flexgen clock 56
93      - description: CK_SCMI_FLEXGEN_57 flexgen clock 57
94      - description: CK_SCMI_FLEXGEN_58 flexgen clock 58
95      - description: CK_SCMI_FLEXGEN_61 flexgen clock 61
96      - description: CK_SCMI_FLEXGEN_62 flexgen clock 62
97      - description: CK_SCMI_FLEXGEN_63 flexgen clock 63
98      - description: CK_SCMI_ICN_APB1 Peripheral bridge 1
99      - description: CK_SCMI_ICN_APB2 Peripheral bridge 2
100      - description: CK_SCMI_ICN_APB3 Peripheral bridge 3
101      - description: CK_SCMI_ICN_APB4 Peripheral bridge 4
102      - description: CK_SCMI_ICN_APB5 Peripheral bridge 5
103      - description: CK_SCMI_ICN_APBDBG Peripheral bridge for debug
104      - description: CK_SCMI_TIMG1 Peripheral bridge for timer1
105      - description: CK_SCMI_TIMG2 Peripheral bridge for timer2
106
107  access-controllers:
108    maxItems: 1
109
110required:
111  - compatible
112  - reg
113  - '#clock-cells'
114  - '#reset-cells'
115  - clocks
116
117additionalProperties: false
118
119examples:
120  - |
121    #include <dt-bindings/clock/st,stm32mp21-rcc.h>
122
123    clock-controller@44200000 {
124        compatible = "st,stm32mp21-rcc";
125        reg = <0x44200000 0x10000>;
126        #clock-cells = <1>;
127        #reset-cells = <1>;
128        clocks =  <&scmi_clk CK_SCMI_HSE>,
129                  <&scmi_clk CK_SCMI_HSI>,
130                  <&scmi_clk CK_SCMI_MSI>,
131                  <&scmi_clk CK_SCMI_LSE>,
132                  <&scmi_clk CK_SCMI_LSI>,
133                  <&scmi_clk CK_SCMI_HSE_DIV2>,
134                  <&scmi_clk CK_SCMI_ICN_HS_MCU>,
135                  <&scmi_clk CK_SCMI_ICN_LS_MCU>,
136                  <&scmi_clk CK_SCMI_ICN_SDMMC>,
137                  <&scmi_clk CK_SCMI_ICN_DDR>,
138                  <&scmi_clk CK_SCMI_ICN_DISPLAY>,
139                  <&scmi_clk CK_SCMI_ICN_HSL>,
140                  <&scmi_clk CK_SCMI_ICN_NIC>,
141                  <&scmi_clk CK_SCMI_FLEXGEN_07>,
142                  <&scmi_clk CK_SCMI_FLEXGEN_08>,
143                  <&scmi_clk CK_SCMI_FLEXGEN_09>,
144                  <&scmi_clk CK_SCMI_FLEXGEN_10>,
145                  <&scmi_clk CK_SCMI_FLEXGEN_11>,
146                  <&scmi_clk CK_SCMI_FLEXGEN_12>,
147                  <&scmi_clk CK_SCMI_FLEXGEN_13>,
148                  <&scmi_clk CK_SCMI_FLEXGEN_14>,
149                  <&scmi_clk CK_SCMI_FLEXGEN_16>,
150                  <&scmi_clk CK_SCMI_FLEXGEN_17>,
151                  <&scmi_clk CK_SCMI_FLEXGEN_18>,
152                  <&scmi_clk CK_SCMI_FLEXGEN_19>,
153                  <&scmi_clk CK_SCMI_FLEXGEN_20>,
154                  <&scmi_clk CK_SCMI_FLEXGEN_21>,
155                  <&scmi_clk CK_SCMI_FLEXGEN_22>,
156                  <&scmi_clk CK_SCMI_FLEXGEN_23>,
157                  <&scmi_clk CK_SCMI_FLEXGEN_24>,
158                  <&scmi_clk CK_SCMI_FLEXGEN_25>,
159                  <&scmi_clk CK_SCMI_FLEXGEN_26>,
160                  <&scmi_clk CK_SCMI_FLEXGEN_27>,
161                  <&scmi_clk CK_SCMI_FLEXGEN_29>,
162                  <&scmi_clk CK_SCMI_FLEXGEN_30>,
163                  <&scmi_clk CK_SCMI_FLEXGEN_31>,
164                  <&scmi_clk CK_SCMI_FLEXGEN_33>,
165                  <&scmi_clk CK_SCMI_FLEXGEN_36>,
166                  <&scmi_clk CK_SCMI_FLEXGEN_37>,
167                  <&scmi_clk CK_SCMI_FLEXGEN_38>,
168                  <&scmi_clk CK_SCMI_FLEXGEN_39>,
169                  <&scmi_clk CK_SCMI_FLEXGEN_40>,
170                  <&scmi_clk CK_SCMI_FLEXGEN_41>,
171                  <&scmi_clk CK_SCMI_FLEXGEN_42>,
172                  <&scmi_clk CK_SCMI_FLEXGEN_43>,
173                  <&scmi_clk CK_SCMI_FLEXGEN_44>,
174                  <&scmi_clk CK_SCMI_FLEXGEN_45>,
175                  <&scmi_clk CK_SCMI_FLEXGEN_46>,
176                  <&scmi_clk CK_SCMI_FLEXGEN_47>,
177                  <&scmi_clk CK_SCMI_FLEXGEN_48>,
178                  <&scmi_clk CK_SCMI_FLEXGEN_50>,
179                  <&scmi_clk CK_SCMI_FLEXGEN_51>,
180                  <&scmi_clk CK_SCMI_FLEXGEN_52>,
181                  <&scmi_clk CK_SCMI_FLEXGEN_53>,
182                  <&scmi_clk CK_SCMI_FLEXGEN_54>,
183                  <&scmi_clk CK_SCMI_FLEXGEN_55>,
184                  <&scmi_clk CK_SCMI_FLEXGEN_56>,
185                  <&scmi_clk CK_SCMI_FLEXGEN_57>,
186                  <&scmi_clk CK_SCMI_FLEXGEN_58>,
187                  <&scmi_clk CK_SCMI_FLEXGEN_61>,
188                  <&scmi_clk CK_SCMI_FLEXGEN_62>,
189                  <&scmi_clk CK_SCMI_FLEXGEN_63>,
190                  <&scmi_clk CK_SCMI_ICN_APB1>,
191                  <&scmi_clk CK_SCMI_ICN_APB2>,
192                  <&scmi_clk CK_SCMI_ICN_APB3>,
193                  <&scmi_clk CK_SCMI_ICN_APB4>,
194                  <&scmi_clk CK_SCMI_ICN_APB5>,
195                  <&scmi_clk CK_SCMI_ICN_APBDBG>,
196                  <&scmi_clk CK_SCMI_TIMG1>,
197                  <&scmi_clk CK_SCMI_TIMG2>;
198    };
199...
200