Merge tag 'Smack-for-5.11-io_uring-fix' of git://github.com/cschaufler/smack-next

[linux-2.6-microblaze.git] / Documentation / devicetree / bindings / hwmon / pwm-fan.txt

diff --git a/Documentation/devicetree/bindings/hwmon/pwm-fan.txt b/Documentation/devicetree/bindings/hwmon/pwm-fan.txt
index 41b7676..4509e68 100644 (file)
--- a/Documentation/devicetree/bindings/hwmon/pwm-fan.txt
+++ b/Documentation/devicetree/bindings/hwmon/pwm-fan.txt
@@ -8,15 +8,16 @@ Required properties:
 
 Optional properties:
 - fan-supply           : phandle to the regulator that provides power to the fan
-- interrupts           : This contains a single interrupt specifier which
-                         describes the tachometer output of the fan as an
-                         interrupt source. The output signal must generate a
-                         defined number of interrupts per fan revolution, which
-                         require that it must be self resetting edge interrupts.
-                         See interrupt-controller/interrupts.txt for the format.
-- pulses-per-revolution : define the tachometer pulses per fan revolution as
-                         an integer (default is 2 interrupts per revolution).
-                         The value must be greater than zero.
+- interrupts           : This contains an interrupt specifier for each fan
+                         tachometer output connected to an interrupt source.
+                         The output signal must generate a defined number of
+                         interrupts per fan revolution, which require that
+                         it must be self resetting edge interrupts. See
+                         interrupt-controller/interrupts.txt for the format.
+- pulses-per-revolution : define the number of pulses per fan revolution for
+                         each tachometer input as an integer (default is 2
+                         interrupts per revolution). The value must be
+                         greater than zero.
 
 Example:
        fan0: pwm-fan {
@@ -55,3 +56,12 @@ Example 2:
                interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
                pulses-per-revolution = <2>;
        };
+
+Example 3:
+       fan0: pwm-fan {
+               compatible = "pwm-fan";
+               pwms = <&pwm1 0 25000 0>;
+               interrupts-extended = <&gpio1 1 IRQ_TYPE_EDGE_FALLING>,
+                       <&gpio2 5 IRQ_TYPE_EDGE_FALLING>;
+               pulses-per-revolution = <2>, <1>;
+       };