xref: /linux/Documentation/devicetree/bindings/arm/stm32/st,stm32-syscon.yaml (revision a23e1966932464e1c5226cb9ac4ce1d5fc10ba22) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/arm/stm32/st,stm32-syscon.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: STMicroelectronics STM32 Platforms System Controller
8
9maintainers:
10  - Alexandre Torgue <alexandre.torgue@foss.st.com>
11  - Christophe Roullier <christophe.roullier@foss.st.com>
12
13properties:
14  compatible:
15    oneOf:
16      - items:
17          - enum:
18              - st,stm32-power-config
19              - st,stm32-syscfg
20              - st,stm32-tamp
21              - st,stm32f4-gcan
22              - st,stm32mp151-pwr-mcu
23              - st,stm32mp157-syscfg
24              - st,stm32mp25-syscfg
25          - const: syscon
26      - items:
27          - const: st,stm32-tamp
28          - const: syscon
29          - const: simple-mfd
30
31  reg:
32    maxItems: 1
33
34  clocks:
35    maxItems: 1
36
37required:
38  - compatible
39  - reg
40
41if:
42  properties:
43    compatible:
44      contains:
45        enum:
46          - st,stm32mp157-syscfg
47          - st,stm32f4-gcan
48then:
49  required:
50    - clocks
51
52additionalProperties: false
53
54examples:
55  - |
56    #include <dt-bindings/clock/stm32mp1-clks.h>
57    syscfg: syscon@50020000 {
58        compatible = "st,stm32mp157-syscfg", "syscon";
59        reg = <0x50020000 0x400>;
60        clocks = <&rcc SYSCFG>;
61    };
62
63...
64