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Diffstat (limited to 'Documentation/devicetree/bindings/thermal/rcar-thermal.txt')
-rw-r--r-- | Documentation/devicetree/bindings/thermal/rcar-thermal.txt | 74 |
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diff --git a/Documentation/devicetree/bindings/thermal/rcar-thermal.txt b/Documentation/devicetree/bindings/thermal/rcar-thermal.txt new file mode 100644 index 000000000..67c563f1b --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/rcar-thermal.txt @@ -0,0 +1,74 @@ +* Renesas R-Car Thermal + +Required properties: +- compatible : "renesas,thermal-<soctype>", + "renesas,rcar-gen2-thermal" (with thermal-zone) or + "renesas,rcar-thermal" (without thermal-zone) as + fallback except R-Car D3. + Examples with soctypes are: + - "renesas,thermal-r8a73a4" (R-Mobile APE6) + - "renesas,thermal-r8a7743" (RZ/G1M) + - "renesas,thermal-r8a7779" (R-Car H1) + - "renesas,thermal-r8a7790" (R-Car H2) + - "renesas,thermal-r8a7791" (R-Car M2-W) + - "renesas,thermal-r8a7792" (R-Car V2H) + - "renesas,thermal-r8a7793" (R-Car M2-N) + - "renesas,thermal-r8a77995" (R-Car D3) +- reg : Address range of the thermal registers. + The 1st reg will be recognized as common register + if it has "interrupts". + +Option properties: + +- interrupts : If present should contain 3 interrupts for + R-Car D3 or 1 interrupt otherwise. + +Example (non interrupt support): + +thermal@ffc48000 { + compatible = "renesas,thermal-r8a7779", "renesas,rcar-thermal"; + reg = <0xffc48000 0x38>; +}; + +Example (interrupt support): + +thermal@e61f0000 { + compatible = "renesas,thermal-r8a73a4", "renesas,rcar-thermal"; + reg = <0xe61f0000 0x14 + 0xe61f0100 0x38 + 0xe61f0200 0x38 + 0xe61f0300 0x38>; + interrupts = <0 69 IRQ_TYPE_LEVEL_HIGH>; +}; + +Example (with thermal-zone): + +thermal-zones { + cpu_thermal: cpu-thermal { + polling-delay-passive = <1000>; + polling-delay = <5000>; + + thermal-sensors = <&thermal>; + + trips { + cpu-crit { + temperature = <115000>; + hysteresis = <0>; + type = "critical"; + }; + }; + cooling-maps { + }; + }; +}; + +thermal: thermal@e61f0000 { + compatible = "renesas,thermal-r8a7790", + "renesas,rcar-gen2-thermal", + "renesas,rcar-thermal"; + reg = <0 0xe61f0000 0 0x14>, <0 0xe61f0100 0 0x38>; + interrupts = <0 69 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&mstp5_clks R8A7790_CLK_THERMAL>; + power-domains = <&cpg_clocks>; + #thermal-sensor-cells = <0>; +}; |