Commit 87d08b11 authored by Christian Lamparter's avatar Christian Lamparter Committed by Guenter Roeck
Browse files

devicetree: add lm90 thermal_zone sensor support 



This patch updates the LM90's devicetree definition to
include the #thermal-sensor-cells property as well as
the sensor constants in include/dt-bindings/thermal/lm90.h.

Cc: Wei Ni <wni@nvidia.com>
Acked-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarChristian Lamparter <chunkeey@googlemail.com>
Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent e531ffc0

Documentation/devicetree/bindings/hwmon/lm90.txt

+6 −0
Original line number Diff line number Diff line
@@ -33,6 +33,11 @@ Optional properties: 
              LM90 "-ALERT" pin output.

              See interrupt-controller/interrupts.txt for the format.



- #thermal-sensor-cells: should be set to 1. See thermal/thermal.txt for

	      details. See <include/dt-bindings/thermal/lm90.h> for the

	      definition of the local, remote and 2nd remote sensor index

	      constants.



Example LM90 node:



temp-sensor {
@@ -41,4 +46,5 @@ temp-sensor { 
	vcc-supply = <&palmas_ldo6_reg>;

	interrupt-parent = <&gpio>;

	interrupts = <TEGRA_GPIO(O, 4) IRQ_TYPE_LEVEL_LOW>;

	#thermal-sensor-cells = <1>;

}

MAINTAINERS

+1 −0
Original line number Diff line number Diff line
@@ -7527,6 +7527,7 @@ S: Maintained 
F:	Documentation/hwmon/lm90

F:	Documentation/devicetree/bindings/hwmon/lm90.txt

F:	drivers/hwmon/lm90.c

F:	include/dt-bindings/thermal/lm90.h



LM95234 HARDWARE MONITOR DRIVER

M:	Guenter Roeck <linux@roeck-us.net>

include/dt-bindings/thermal/lm90.h

0 → 100644
+12 −0
Original line number Diff line number Diff line 
/*

 * This header provides constants for the LM90 thermal bindings.

 */



#ifndef _DT_BINDINGS_THERMAL_LM90_H_

#define _DT_BINDINGS_THERMAL_LM90_H_



#define LM90_LOCAL_TEMPERATURE 0

#define LM90_REMOTE_TEMPERATURE 1

#define LM90_REMOTE2_TEMPERATURE 2



#endif

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