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Documentation / devicetree / bindings / reset / fsl,imx-src.txt




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Based on kernel version 3.13. Page generated on 2014-01-20 22:01 EST.

1	Freescale i.MX System Reset Controller
2	======================================
3	
4	Please also refer to reset.txt in this directory for common reset
5	controller binding usage.
6	
7	Required properties:
8	- compatible: Should be "fsl,<chip>-src"
9	- reg: should be register base and length as documented in the
10	  datasheet
11	- interrupts: Should contain SRC interrupt and CPU WDOG interrupt,
12	  in this order.
13	- #reset-cells: 1, see below
14	
15	example:
16	
17	src: src@020d8000 {
18	        compatible = "fsl,imx6q-src";
19	        reg = <0x020d8000 0x4000>;
20	        interrupts = <0 91 0x04 0 96 0x04>;
21	        #reset-cells = <1>;
22	};
23	
24	Specifying reset lines connected to IP modules
25	==============================================
26	
27	The system reset controller can be used to reset the GPU, VPU,
28	IPU, and OpenVG IP modules on i.MX5 and i.MX6 ICs. Those device
29	nodes should specify the reset line on the SRC in their resets
30	property, containing a phandle to the SRC device node and a
31	RESET_INDEX specifying which module to reset, as described in
32	reset.txt
33	
34	example:
35	
36	        ipu1: ipu@02400000 {
37	                resets = <&src 2>;
38	        };
39	        ipu2: ipu@02800000 {
40	                resets = <&src 4>;
41	        };
42	
43	The following RESET_INDEX values are valid for i.MX5:
44	GPU_RESET     0
45	VPU_RESET     1
46	IPU1_RESET    2
47	OPEN_VG_RESET 3
48	The following additional RESET_INDEX value is valid for i.MX6:
49	IPU2_RESET    4
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