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29 lines
711 B
Diff
29 lines
711 B
Diff
The mvebu gpio driver can also perform PWM on some pins. Us the
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pwm-fan driver to control the fan of the WRT1900AC, giving us fine
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grain control over its speed and hence noise.
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Signed-off-by: Andrew Lunn <andrew@lunn.ch>
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---
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arch/arm/boot/dts/armada-xp-wrt1900ac.dts | 8 +++-----
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1 file changed, 3 insertions(+), 5 deletions(-)
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--- a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
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+++ b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
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@@ -417,13 +417,11 @@
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};
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};
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- gpio_fan {
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+ pwm_fan {
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/* SUNON HA4010V4-0000-C99 */
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- compatible = "gpio-fan";
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- gpios = <&gpio0 24 0>;
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- gpio-fan,speed-map = <0 0
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- 4500 1>;
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+ compatible = "pwm-fan";
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+ pwms = <&gpio0 24 4000 0>;
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};
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dsa@0 {
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