tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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...