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author | Imre Kaloz <kaloz@openwrt.org> | 2015-12-10 12:11:39 +0000 |
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committer | Imre Kaloz <kaloz@openwrt.org> | 2015-12-10 12:11:39 +0000 |
commit | 5ebd542e37333a71ef23f61f86f97c7b3905c819 (patch) | |
tree | 586bbb68a965ff81d5d2012dde6ae46a36e4319b /target/linux/mvebu/patches-4.4/206-mvebu_wrt1900ac_use_pwm-fan_rather_than_gpio-fan.patch | |
parent | b17844d21af30b467e108c765c7010eba2b2b28e (diff) | |
download | upstream-5ebd542e37333a71ef23f61f86f97c7b3905c819.tar.gz upstream-5ebd542e37333a71ef23f61f86f97c7b3905c819.tar.bz2 upstream-5ebd542e37333a71ef23f61f86f97c7b3905c819.zip |
mvebu: add support for 4.4-rc
Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
SVN-Revision: 47819
Diffstat (limited to 'target/linux/mvebu/patches-4.4/206-mvebu_wrt1900ac_use_pwm-fan_rather_than_gpio-fan.patch')
-rw-r--r-- | target/linux/mvebu/patches-4.4/206-mvebu_wrt1900ac_use_pwm-fan_rather_than_gpio-fan.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/target/linux/mvebu/patches-4.4/206-mvebu_wrt1900ac_use_pwm-fan_rather_than_gpio-fan.patch b/target/linux/mvebu/patches-4.4/206-mvebu_wrt1900ac_use_pwm-fan_rather_than_gpio-fan.patch new file mode 100644 index 0000000000..c0e3567c73 --- /dev/null +++ b/target/linux/mvebu/patches-4.4/206-mvebu_wrt1900ac_use_pwm-fan_rather_than_gpio-fan.patch @@ -0,0 +1,28 @@ +The mvebu gpio driver can also perform PWM on some pins. Us the +pwm-fan driver to control the fan of the WRT1900AC, giving us fine +grain control over its speed and hence noise. + +Signed-off-by: Andrew Lunn <andrew@lunn.ch> +--- + arch/arm/boot/dts/armada-xp-wrt1900ac.dts | 8 +++----- + 1 file changed, 3 insertions(+), 5 deletions(-) + +--- a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts ++++ b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts +@@ -412,13 +412,11 @@ + }; + }; + +- 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@0 { |