ARM: dts: armada-xp: Use pwm-fan rather than gpio-fan

The mvebu GPIO driver can also perform PWM on some pins. Use the pwm-fan
driver to control the fan of the WRT1900AC, giving us finer grained control
over its speed and hence noise.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
URL: https://patchwork.ozlabs.org/patch/427291/
[Ralph Sennhauser: drop flags paramter from pwms, no longer used]
Signed-off-by: Ralph Sennhauser <ralph.sennhauser@gmail.com>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>

1 files changed, 3 insertions, 5 deletions

diff --git a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
index 9efcf59c9b44..6d705f518254 100644
--- a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
+++ b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
@@ -308,13 +308,11 @@
                 };
         };
 
-        gpio_fan {
+        pwm_fan {
                 /* SUNON HA4010V4-0000-C99 */
-                compatible = "gpio-fan";
-                gpios = <&gpio0 24 0>;
 
-                gpio-fan,speed-map = <0    0
-                                      4500 1>;
+                compatible = "pwm-fan";
+                pwms = <&gpio0 24 4000>;
         };
 
         dsa {