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 clocks:
43 minItems: 2
44 maxItems: 2
45
46 clock-names:
47 items:
48 - const: usb
49 - const: pcie
50
51 required:
52 - compatible
53 - reg
54 - power-domains
55 - power-domain-names
56 - clocks
57 - clock-names
58
59 additionalProperties: false
60
61 examples:
62 - |
63 #include <dt-bindings/clock/imx8mp-clock.h>
64 #include <dt-bindings/power/imx8mp-power.h>
65
66 hsio_blk_ctrl: blk-ctrl@32f10000 {
67 compatible = "fsl,imx8mp-hsio-blk-ctrl", "syscon";
68 reg = <0x32f10000 0x24>;
69 clocks = <&clk IMX8MP_CLK_USB_ROOT>,
70 <&clk IMX8MP_CLK_PCIE_ROOT>;
71 clock-names = "usb", "pcie";
72 power-domains = <&pgc_hsiomix>, <&pgc_hsiomix>,
73 <&pgc_usb1_phy>, <&pgc_usb2_phy>,
74 <&pgc_hsiomix>, <&pgc_pcie_phy>;
75 power-domain-names = "bus", "usb", "usb-phy1",
76 "usb-phy2", "pcie", "pcie-phy";
77 #power-domain-cells = <1>;
78 };
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