1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/devfreq/event/rockchip,dfi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Rockchip DFI
8
9 maintainers:
10 - Sascha Hauer <s.hauer@pengutronix.de>
11
12 properties:
13 compatible:
14 enum:
15 - rockchip,rk3399-dfi
16 - rockchip,rk3568-dfi
17 - rockchip,rk3588-dfi
18
19 clocks:
20 maxItems: 1
21
22 clock-names:
23 items:
24 - const: pclk_ddr_mon
25
26 interrupts:
27 minItems: 1
28 maxItems: 4
29
30 reg:
31 maxItems: 1
32
33 rockchip,pmu:
34 $ref: /schemas/types.yaml#/definitions/phandle
35 description:
36 Phandle to the syscon managing the "PMU general register files".
37
38 required:
39 - compatible
40 - interrupts
41 - reg
42
43 if:
44 properties:
45 compatible:
46 contains:
47 enum:
48 - rockchip,rk3399-dfi
49
50 then:
51 required:
52 - clocks
53 - clock-names
54
55 additionalProperties: false
56
57 examples:
58 - |
59 #include <dt-bindings/interrupt-controller/arm-gic.h>
60 #include <dt-bindings/clock/rk3308-cru.h>
61
62 bus {
63 #address-cells = <2>;
64 #size-cells = <2>;
65
66 dfi: dfi@ff630000 {
67 compatible = "rockchip,rk3399-dfi";
68 reg = <0x00 0xff630000 0x00 0x4000>;
69 interrupts = <GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH 0>;
70 rockchip,pmu = <&pmugrf>;
71 clocks = <&cru PCLK_DDR_MON>;
72 clock-names = "pclk_ddr_mon";
73 };
74 };
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