xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/arm/omap/prm-inst.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunOMAP PRM instance bindings
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunPower and Reset Manager is an IP block on OMAP family of devices which
4*4882a593Smuzhiyunhandle the power domains and their current state, and provide reset
5*4882a593Smuzhiyunhandling for the domains and/or separate IP blocks under the power domain
6*4882a593Smuzhiyunhierarchy.
7*4882a593Smuzhiyun
8*4882a593SmuzhiyunRequired properties:
9*4882a593Smuzhiyun- compatible:	Must contain one of the following:
10*4882a593Smuzhiyun		"ti,am3-prm-inst"
11*4882a593Smuzhiyun		"ti,am4-prm-inst"
12*4882a593Smuzhiyun		"ti,omap4-prm-inst"
13*4882a593Smuzhiyun		"ti,omap5-prm-inst"
14*4882a593Smuzhiyun		"ti,dra7-prm-inst"
15*4882a593Smuzhiyun		and additionally must contain:
16*4882a593Smuzhiyun		"ti,omap-prm-inst"
17*4882a593Smuzhiyun- reg:		Contains PRM instance register address range
18*4882a593Smuzhiyun		(base address and length)
19*4882a593Smuzhiyun
20*4882a593SmuzhiyunOptional properties:
21*4882a593Smuzhiyun- #power-domain-cells:	Should be 0 if the instance is a power domain provider.
22*4882a593Smuzhiyun- #reset-cells:	Should be 1 if the PRM instance in question supports resets.
23*4882a593Smuzhiyun
24*4882a593SmuzhiyunExample:
25*4882a593Smuzhiyun
26*4882a593Smuzhiyunprm_dsp2: prm@1b00 {
27*4882a593Smuzhiyun	compatible = "ti,dra7-prm-inst", "ti,omap-prm-inst";
28*4882a593Smuzhiyun	reg = <0x1b00 0x40>;
29*4882a593Smuzhiyun	#power-domain-cells = <0>;
30*4882a593Smuzhiyun	#reset-cells = <1>;
31*4882a593Smuzhiyun};
32