1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/soc/socionext/socionext,uniphier-sysctrl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Socionext UniPhier system controller
8
9 maintainers:
10 - Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
11
12 description: |+
13 System controller implemented on Socionext UniPhier SoCs has multiple
14 functions such as clock control, reset control, internal watchdog timer,
15 thermal management, and so on.
16
17 properties:
18 compatible:
19 items:
20 - enum:
21 - socionext,uniphier-ld4-sysctrl
22 - socionext,uniphier-pro4-sysctrl
23 - socionext,uniphier-pro5-sysctrl
24 - socionext,uniphier-pxs2-sysctrl
25 - socionext,uniphier-sld8-sysctrl
26 - socionext,uniphier-ld11-sysctrl
27 - socionext,uniphier-ld20-sysctrl
28 - socionext,uniphier-pxs3-sysctrl
29 - socionext,uniphier-nx1-sysctrl
30 - const: simple-mfd
31 - const: syscon
32
33 reg:
34 maxItems: 1
35
36 clock-controller:
37 $ref: /schemas/clock/socionext,uniphier-clock.yaml#
38
39 reset-controller:
40 $ref: /schemas/reset/socionext,uniphier-reset.yaml#
41
42 watchdog:
43 $ref: /schemas/watchdog/socionext,uniphier-wdt.yaml#
44
45 thermal-sensor:
46 $ref: /schemas/thermal/socionext,uniphier-thermal.yaml#
47
48 allOf:
49 - if:
50 properties:
51 compatible:
52 contains:
53 const: socionext,uniphier-ld4-sysctrl
54 then:
55 properties:
56 watchdog: false
57
58 - if:
59 properties:
60 compatible:
61 contains:
62 enum:
63 - socionext,uniphier-ld4-sysctrl
64 - socionext,uniphier-pro4-sysctrl
65 - socionext,uniphier-sld8-sysctrl
66 - socionext,uniphier-ld11-sysctrl
67 then:
68 properties:
69 thermal-sensor: false
70
71 additionalProperties: false
72
73 required:
74 - compatible
75 - reg
76
77 examples:
78 - |
79 #include <dt-bindings/interrupt-controller/arm-gic.h>
80 syscon@61840000 {
81 compatible = "socionext,uniphier-ld20-sysctrl",
82 "simple-mfd", "syscon";
83 reg = <0x61840000 0x4000>;
84
85 clock-controller {
86 compatible = "socionext,uniphier-ld20-clock";
87 #clock-cells = <1>;
88 };
89
90 reset-controller {
91 compatible = "socionext,uniphier-ld20-reset";
92 #reset-cells = <1>;
93 };
94
95 watchdog {
96 compatible = "socionext,uniphier-wdt";
97 };
98
99 thermal-sensor {
100 compatible = "socionext,uniphier-ld20-thermal";
101 interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
102 #thermal-sensor-cells = <0>;
103 };
104 };
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