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 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Broadcom CRU
8
9 maintainers:
10 - Rafał Miłecki <rafal@milecki.pl>
11
12 description: |
13 Broadcom CRU ("Clock and Reset Unit" or "Central Resource Unit") is a hardware
14 block grouping smaller blocks. On Broadcom Northstar platform it contains e.g.
15 clocks, pinctrl, USB PHY and thermal.
16
17 properties:
18 compatible:
19 items:
20 - enum:
21 - brcm,ns-cru
22 - const: simple-mfd
23
24 reg:
25 description: CRU registers
26
27 ranges: true
28
29 "#address-cells":
30 const: 1
31
32 "#size-cells":
33 const: 1
34
35 patternProperties:
36 '^clock-controller@[a-f0-9]+$':
37 $ref: /schemas/clock/brcm,iproc-clocks.yaml
38
39 '^phy@[a-f0-9]+$':
40 $ref: /schemas/phy/bcm-ns-usb2-phy.yaml
41
42 '^pinctrl@[a-f0-9]+$':
43 $ref: /schemas/pinctrl/brcm,ns-pinmux.yaml
44
45 '^syscon@[a-f0-9]+$':
46 $ref: syscon.yaml
47
48 '^thermal@[a-f0-9]+$':
49 $ref: /schemas/thermal/brcm,ns-thermal.yaml
50
51 additionalProperties: false
52
53 required:
54 - reg
55
56 examples:
57 - |
58 #include <dt-bindings/clock/bcm-nsp.h>
59 cru-bus@1800c100 {
60 compatible = "brcm,ns-cru", "simple-mfd";
61 reg = <0x1800c100 0x1d0>;
62 ranges;
63 #address-cells = <1>;
64 #size-cells = <1>;
65
66 clock-controller@100 {
67 #clock-cells = <1>;
68 compatible = "brcm,nsp-lcpll0";
69 reg = <0x100 0x14>;
70 clocks = <&osc>;
71 clock-output-names = "lcpll0", "pcie_phy", "sdio", "ddr_phy";
72 };
73
74 clock-controller@140 {
75 #clock-cells = <1>;
76 compatible = "brcm,nsp-genpll";
77 reg = <0x140 0x24>;
78 clocks = <&osc>;
79 clock-output-names = "genpll", "phy", "ethernetclk", "usbclk",
80 "iprocfast", "sata1", "sata2";
81 };
82
83 phy@164 {
84 compatible = "brcm,ns-usb2-phy";
85 reg = <0x164 0x4>;
86 brcm,syscon-clkset = <&clkset>;
87 clocks = <&genpll BCM_NSP_GENPLL_USB_PHY_REF_CLK>;
88 clock-names = "phy-ref-clk";
89 #phy-cells = <0>;
90 };
91
92 clkset: syscon@180 {
93 compatible = "brcm,cru-clkset", "syscon";
94 reg = <0x180 0x4>;
95 };
96
97 pinctrl@1c0 {
98 compatible = "brcm,bcm4708-pinmux";
99 reg = <0x1c0 0x24>;
100 reg-names = "cru_gpio_control";
101 };
102
103 thermal@2c0 {
104 compatible = "brcm,ns-thermal";
105 reg = <0x2c0 0x10>;
106 #thermal-sensor-cells = <0>;
107 };
108 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.