1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/soc/imx/fsl,imx8mp-hsio-blk-ctrl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: NXP i.MX8MP HSIO blk-ctrl
8
9 maintainers:
10 - Lucas Stach <l.stach@pengutronix.de>
11
12 description:
13 The i.MX8MP HSIO blk-ctrl is a top-level peripheral providing access to
14 the NoC and ensuring proper power sequencing of the high-speed IO
15 (USB an PCIe) peripherals located in the HSIO domain of the SoC.
16
17 properties:
18 compatible:
19 items:
20 - const: fsl,imx8mp-hsio-blk-ctrl
21 - const: syscon
22
23 reg:
24 maxItems: 1
25
26 '#power-domain-cells':
27 const: 1
28
29 power-domains:
30 minItems: 6
31 maxItems: 6
32
33 power-domain-names:
34 items:
35 - const: bus
36 - const: usb
37 - const: usb-phy1
38 - const: usb-phy2
39 - const: pcie
40 - const: pcie-phy
41
42 '#clock-cells':
43 const: 0
44
45 clocks:
46 minItems: 2
47 maxItems: 2
48
49 clock-names:
50 items:
51 - const: usb
52 - const: pcie
53
54 interconnects:
55 maxItems: 4
56
57 interconnect-names:
58 items:
59 - const: noc-pcie
60 - const: usb1
61 - const: usb2
62 - const: pcie
63
64 required:
65 - compatible
66 - reg
67 - power-domains
68 - power-domain-names
69 - clocks
70 - clock-names
71
72 additionalProperties: false
73
74 examples:
75 - |
76 #include <dt-bindings/clock/imx8mp-clock.h>
77 #include <dt-bindings/power/imx8mp-power.h>
78
79 blk-ctrl@32f10000 {
80 compatible = "fsl,imx8mp-hsio-blk-ctrl", "syscon";
81 reg = <0x32f10000 0x24>;
82 clocks = <&clk IMX8MP_CLK_USB_ROOT>,
83 <&clk IMX8MP_CLK_PCIE_ROOT>;
84 clock-names = "usb", "pcie";
85 power-domains = <&pgc_hsiomix>, <&pgc_hsiomix>,
86 <&pgc_usb1_phy>, <&pgc_usb2_phy>,
87 <&pgc_hsiomix>, <&pgc_pcie_phy>;
88 power-domain-names = "bus", "usb", "usb-phy1",
89 "usb-phy2", "pcie", "pcie-phy";
90 #power-domain-cells = <1>;
91 #clock-cells = <0>;
92 };
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