xref: /linux/Documentation/devicetree/bindings/mfd/brcm,cru.yaml (revision 5d8dfaa71d87f742c53309b95cb6a8b274119027)
1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/mfd/brcm,cru.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Broadcom CRU
8
9maintainers:
10  - Rafał Miłecki <rafal@milecki.pl>
11
12description: |
13  Broadcom CRU ("Clock and Reset Unit" or "Central Resource Unit") is a hardware
14  block grouping smaller blocks. On Broadcom Northstar platform it contains e.g.
15  clocks, pinctrl, USB PHY and thermal.
16
17properties:
18  compatible:
19    items:
20      - enum:
21          - brcm,ns-cru
22      - const: simple-mfd
23
24  reg:
25    description: CRU registers
26
27  ranges: true
28
29  "#address-cells":
30    const: 1
31
32  "#size-cells":
33    const: 1
34
35patternProperties:
36  '^clock-controller@[a-f0-9]+$':
37    $ref: ../clock/brcm,iproc-clocks.yaml
38
39  '^pin-controller@[a-f0-9]+$':
40    $ref: ../pinctrl/brcm,ns-pinmux.yaml
41
42  '^thermal@[a-f0-9]+$':
43    $ref: ../thermal/brcm,ns-thermal.yaml
44
45additionalProperties: false
46
47required:
48  - reg
49
50examples:
51  - |
52    cru-bus@1800c100 {
53        compatible = "brcm,ns-cru", "simple-mfd";
54        reg = <0x1800c100 0x1d0>;
55        ranges;
56        #address-cells = <1>;
57        #size-cells = <1>;
58
59        clock-controller@100 {
60            #clock-cells = <1>;
61            compatible = "brcm,nsp-lcpll0";
62            reg = <0x100 0x14>;
63            clocks = <&osc>;
64            clock-output-names = "lcpll0", "pcie_phy", "sdio", "ddr_phy";
65        };
66
67        clock-controller@140 {
68            #clock-cells = <1>;
69            compatible = "brcm,nsp-genpll";
70            reg = <0x140 0x24>;
71            clocks = <&osc>;
72            clock-output-names = "genpll", "phy", "ethernetclk", "usbclk",
73                                 "iprocfast", "sata1", "sata2";
74        };
75
76        pin-controller@1c0 {
77            compatible = "brcm,bcm4708-pinmux";
78            reg = <0x1c0 0x24>;
79            reg-names = "cru_gpio_control";
80        };
81
82        thermal@2c0 {
83            compatible = "brcm,ns-thermal";
84            reg = <0x2c0 0x10>;
85            #thermal-sensor-cells = <0>;
86        };
87    };
88