Commit 8035eaad authored Apr 14, 2017 by Andrew Lunn Committed by Gregory CLEMENT Jun 17, 2017

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>

parent 7cb2acb3

arch/arm/boot/dts/armada-xp-linksys-mamba.dts

+3 −5

Original line number	Diff line number	Diff line
		@@ -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 {

Admin message