arm64: dts: freescale: sl28: enable fan support

Add a pwm-fan mapped to the PWM channel 0 which is connected to the
fan connector of the carrier.

Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var3-ads2.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var3-ads2.dts
index 0973a6a..c45d7b4 100644 (file)
--- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var3-ads2.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var3-ads2.dts
@@ -15,6 +15,15 @@
        compatible = "kontron,sl28-var3-ads2", "kontron,sl28-var3",
                     "kontron,sl28", "fsl,ls1028a";
 
+       pwm-fan {
+               compatible = "pwm-fan";
+               cooling-min-state = <0>;
+               cooling-max-state = <3>;
+               #cooling-cells = <2>;
+               pwms = <&sl28cpld_pwm0 0 4000000>;
+               cooling-levels = <1 128 192 255>;
+       };
+
        sound {
                #address-cells = <1>;
                #size-cells = <0>;