xref: /freebsd/sys/contrib/device-tree/Bindings/arm/omap/prcm.txt (revision 5ca8e32633c4ffbbcd6762e5888b6a4ba0708c6c) 
1OMAP PRCM bindings
2
3Power Reset and Clock Manager lists the device clocks and clockdomains under
4a DT hierarchy. Each TI SoC can have multiple PRCM entities listed for it,
5each describing one module and the clock hierarchy under it. see [1] for
6documentation about the individual clock/clockdomain nodes.
7
8[1] Documentation/devicetree/bindings/clock/ti/*
9
10Required properties:
11- compatible:	Must be one of:
12		"ti,am3-prcm"
13		"ti,am4-prcm"
14		"ti,omap2-prcm"
15		"ti,omap3-prm"
16		"ti,omap3-cm"
17		"ti,omap4-cm1"
18		"ti,omap4-prm"
19		"ti,omap4-cm2"
20		"ti,omap4-scrm"
21		"ti,omap5-prm"
22		"ti,omap5-cm-core-aon"
23		"ti,omap5-scrm"
24		"ti,omap5-cm-core"
25		"ti,dra7-prm"
26		"ti,dra7-cm-core-aon"
27		"ti,dra7-cm-core"
28		"ti,dm814-prcm"
29		"ti,dm816-prcm"
30- reg:		Contains PRCM module register address range
31		(base address and length)
32- clocks:	clocks for this module
33- clockdomains:	clockdomains for this module
34- #clock-cells: From common clock binding
35- clock-output-names: From common clock binding
36
37
38Example:
39
40cm: clock@48004000 {
41	compatible = "ti,omap3-cm";
42	reg = <0x48004000 0x4000>;
43	#clock-cells = <0>;
44	clock-output-names = "cm";
45
46	cm_clocks: clocks {
47		#address-cells = <1>;
48		#size-cells = <0>;
49	};
50
51	cm_clockdomains: clockdomains {
52	};
53}
54
55&cm_clocks {
56	omap2_32k_fck: omap_32k_fck {
57		#clock-cells = <0>;
58		compatible = "fixed-clock";
59		clock-frequency = <32768>;
60	};
61};
62
63&cm_clockdomains {
64	core_l3_clkdm: core_l3_clkdm {
65		compatible = "ti,clockdomain";
66		clocks = <&sdrc_ick>;
67	};
68};
69