| Message ID | 1457529010-6538-7-git-send-email-ldewangan@nvidia.com (mailing list archive) |
|---|---|
| State | Changes Requested |
| Delegated to: | Eduardo Valentin |
| Headers | show |
On Wed, Mar 09, 2016 at 06:40:10PM +0530, Laxman Dewangan wrote: > Maxim Semiconductor MAX77620 supports alarm interrupts when > its die temperature crosses 120C and 140C. These threshold > temperatures are not configurable. > > Add DT binding document to details out the DT property related > to MAX77620 thermal functionality. > > Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> > > --- > Changes from V1: > - New in series to add DT binding doc per V1 review. > > .../bindings/thermal/thermal-max77620.txt | 43 ++++++++++++++++++++++ > 1 file changed, 43 insertions(+) > create mode 100644 Documentation/devicetree/bindings/thermal/thermal-max77620.txt > > diff --git a/Documentation/devicetree/bindings/thermal/thermal-max77620.txt b/Documentation/devicetree/bindings/thermal/thermal-max77620.txt > new file mode 100644 > index 0000000..d76412f > --- /dev/null > +++ b/Documentation/devicetree/bindings/thermal/thermal-max77620.txt > @@ -0,0 +1,43 @@ > +Thermal driver for MAX77620 Power management IC from Maxim Semiconductor. > + > +Maxim Semiconductor MAX77620 supports alarm interrupts when its > +die temperature crosses 120C and 140C. These threshold temperatures > +are not configurable. Device does not provide the real temperature > +of die other than just indicating whether temperature is above or > +below threshold level. > + > +Required properties: > +------------------- > +#thermal-sensor-cells: Please refer <devicetree/bindings/thermal/thermal.txt> > + for more details. > + The value must be 0. > + > +For more details, please refer generic thermal DT binding document > +<devicetree/bindings/thermal/thermal.txt>. > + > +Please refer <devicetree/bindings/mfd/max77620.txt> for mfd DT binding > +document for the MAX77620. > + > +Example: > +-------- > +#include <dt-bindings/mfd/max77620.h> > +... > +spmic: max77620@3c { > + compatible = "maxim,max77620"; > + > + #thermal-sensor-cells = <0>; > +}; > + > +thermal-zones { > + PMIC-Die { > + thermal-sensors = <&spmic>; > + trips { > + die_temp_thresh: hot-die { > + temperature = <120000>; > + type = "active"; > + hysteresis = <0>; > + }; > + }; > + }; > +}; Considering that this is an example (and people will copy and paste it), please add all the required DT properties for a thermal-zone node. > + > -- > 2.1.4 > -- To unsubscribe from this list: send the line "unsubscribe linux-pm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/thermal/thermal-max77620.txt b/Documentation/devicetree/bindings/thermal/thermal-max77620.txt new file mode 100644 index 0000000..d76412f --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/thermal-max77620.txt @@ -0,0 +1,43 @@ +Thermal driver for MAX77620 Power management IC from Maxim Semiconductor. + +Maxim Semiconductor MAX77620 supports alarm interrupts when its +die temperature crosses 120C and 140C. These threshold temperatures +are not configurable. Device does not provide the real temperature +of die other than just indicating whether temperature is above or +below threshold level. + +Required properties: +------------------- +#thermal-sensor-cells: Please refer <devicetree/bindings/thermal/thermal.txt> + for more details. + The value must be 0. + +For more details, please refer generic thermal DT binding document +<devicetree/bindings/thermal/thermal.txt>. + +Please refer <devicetree/bindings/mfd/max77620.txt> for mfd DT binding +document for the MAX77620. + +Example: +-------- +#include <dt-bindings/mfd/max77620.h> +... +spmic: max77620@3c { + compatible = "maxim,max77620"; + + #thermal-sensor-cells = <0>; +}; + +thermal-zones { + PMIC-Die { + thermal-sensors = <&spmic>; + trips { + die_temp_thresh: hot-die { + temperature = <120000>; + type = "active"; + hysteresis = <0>; + }; + }; + }; +}; +
Maxim Semiconductor MAX77620 supports alarm interrupts when its die temperature crosses 120C and 140C. These threshold temperatures are not configurable. Add DT binding document to details out the DT property related to MAX77620 thermal functionality. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> --- Changes from V1: - New in series to add DT binding doc per V1 review. .../bindings/thermal/thermal-max77620.txt | 43 ++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 Documentation/devicetree/bindings/thermal/thermal-max77620.txt