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@xxxxxxxxxx>
>
> ---
> 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
>
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