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>

diff --git a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
index 9efcf59..6d705f5 100644 (file)
--- 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 {