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Groups > linux.kernel > #1608458
| From | Ralph Sennhauser <ralph.sennhauser@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v3 4/4] mvebu: wrt1900ac: Use pwm-fan rather than gpio-fan |
| Date | 2017-03-24 15:20 +0100 |
| Message-ID | <toyen-2LK-63@gated-at.bofh.it> (permalink) |
| References | <toyen-2LK-59@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Andrew Lunn <andrew@lunn.ch>
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/
Signed-off-by: Ralph Sennhauser <ralph.sennhauser@gmail.com>
---
arch/arm/boot/dts/armada-xp-linksys-mamba.dts | 8 +++-----
1 file 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 3744ba3..836b275e 100644
--- a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
+++ b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
@@ -293,13 +293,11 @@
};
};
- 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 0>;
};
dsa {
--
2.10.2
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[PATCH v3 4/4] mvebu: wrt1900ac: Use pwm-fan rather than gpio-fan Ralph Sennhauser <ralph.sennhauser@gmail.com> - 2017-03-24 15:20 +0100
Re: [PATCH v3 4/4] mvebu: wrt1900ac: Use pwm-fan rather than gpio-fan Andrew Lunn <andrew@lunn.ch> - 2017-03-24 15:40 +0100
Re: [PATCH v3 4/4] mvebu: wrt1900ac: Use pwm-fan rather than gpio-fan Ralph Sennhauser <ralph.sennhauser@gmail.com> - 2017-03-24 23:30 +0100
Re: [PATCH v3 4/4] mvebu: wrt1900ac: Use pwm-fan rather than gpio-fan Ralph Sennhauser <ralph.sennhauser@gmail.com> - 2017-03-26 23:10 +0200
Re: [PATCH v3 4/4] mvebu: wrt1900ac: Use pwm-fan rather than gpio-fan Andrew Lunn <andrew@lunn.ch> - 2017-03-27 15:20 +0200
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