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Documentation / devicetree / bindings / thermal / rcar-thermal.txt




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Based on kernel version 4.7.2. Page generated on 2016-08-22 22:44 EST.

1	* Renesas R-Car Thermal
2	
3	Required properties:
4	- compatible		: "renesas,thermal-<soctype>",
5				   "renesas,rcar-gen2-thermal" (with thermal-zone) or
6				   "renesas,rcar-thermal" (without thermal-zone) as fallback.
7				  Examples with soctypes are:
8				    - "renesas,thermal-r8a73a4" (R-Mobile APE6)
9				    - "renesas,thermal-r8a7779" (R-Car H1)
10				    - "renesas,thermal-r8a7790" (R-Car H2)
11				    - "renesas,thermal-r8a7791" (R-Car M2-W)
12				    - "renesas,thermal-r8a7792" (R-Car V2H)
13				    - "renesas,thermal-r8a7793" (R-Car M2-N)
14	- reg			: Address range of the thermal registers.
15				  The 1st reg will be recognized as common register
16				  if it has "interrupts".
17	
18	Option properties:
19	
20	- interrupts		: use interrupt
21	
22	Example (non interrupt support):
23	
24	thermal@ffc48000 {
25		compatible = "renesas,thermal-r8a7779", "renesas,rcar-thermal";
26		reg = <0xffc48000 0x38>;
27	};
28	
29	Example (interrupt support):
30	
31	thermal@e61f0000 {
32		compatible = "renesas,thermal-r8a73a4", "renesas,rcar-thermal";
33		reg = <0xe61f0000 0x14
34			0xe61f0100 0x38
35			0xe61f0200 0x38
36			0xe61f0300 0x38>;
37		interrupts = <0 69 IRQ_TYPE_LEVEL_HIGH>;
38	};
39	
40	Example (with thermal-zone):
41	
42	thermal-zones {
43		cpu_thermal: cpu-thermal {
44			polling-delay-passive	= <1000>;
45			polling-delay		= <5000>;
46	
47			thermal-sensors = <&thermal>;
48	
49			trips {
50				cpu-crit {
51					temperature	= <115000>;
52					hysteresis	= <0>;
53					type		= "critical";
54				};
55			};
56			cooling-maps {
57			};
58		};
59	};
60	
61	thermal: thermal@e61f0000 {
62		compatible =	"renesas,thermal-r8a7790",
63				"renesas,rcar-gen2-thermal",
64				"renesas,rcar-thermal";
65		reg = <0 0xe61f0000 0 0x14>, <0 0xe61f0100 0 0x38>;
66		interrupts = <0 69 IRQ_TYPE_LEVEL_HIGH>;
67		clocks = <&mstp5_clks R8A7790_CLK_THERMAL>;
68		power-domains = <&cpg_clocks>;
69		#thermal-sensor-cells = <0>;
70	};
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