On Mon, Jan 05, 2015 at 10:32:29AM -0600, Nishanth Menon wrote: > TPS gpio now controls a 5v 500mA TL5209 regulator which may be supply > a fan (such as AFB02505HHB) over J1 connector for various purposes. > Provide device tree node to enable the same. > > Signed-off-by: Nishanth Menon <nm@xxxxxx> have already reviewed this one previously: Reviewed-by: Felipe Balbi <balbi@xxxxxx> > --- > V4: Change format of the speed-map used. > V3: https://patchwork.kernel.org/patch/5562121/ > V2: https://patchwork.kernel.org/patch/5445111/ > V1: https://patchwork.kernel.org/patch/5444911/ > > Enable and disable can be controlled by (post the RPM, it finds > closest match - even a 1 will do) > > echo '13000' > /sys/class/hwmon/hwmon0/fan1_target > and > echo '0' > /sys/class/hwmon/hwmon0/fan1_target > > Test log: http://slexy.org/view/s2T0ajh46z > > requires CONFIG_GPIO_PALMAS and CONFIG_SENSORS_GPIO_FAN to be operational > Applies on v3.19-rc1 > > arch/arm/boot/dts/am57xx-beagle-x15.dts | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) > > diff --git a/arch/arm/boot/dts/am57xx-beagle-x15.dts b/arch/arm/boot/dts/am57xx-beagle-x15.dts > index 6c2e8e4..c5d4cea 100644 > --- a/arch/arm/boot/dts/am57xx-beagle-x15.dts > +++ b/arch/arm/boot/dts/am57xx-beagle-x15.dts > @@ -80,6 +80,14 @@ > default-state = "off"; > }; > }; > + > + gpio_fan: gpio_fan { > + /* Based on 5v 500mA AFB02505HHB */ > + compatible = "gpio-fan"; > + gpios = <&tps659038_gpio 1 GPIO_ACTIVE_HIGH>; > + gpio-fan,speed-map = <0 0>, > + <13000 1>; > + }; > }; > > &dra7_pmx_core { > @@ -394,6 +402,12 @@ > wakeup-source; > ti,palmas-long-press-seconds = <12>; > }; > + > + tps659038_gpio: tps659038_gpio { > + compatible = "ti,palmas-gpio"; > + gpio-controller; > + #gpio-cells = <2>; > + }; > }; > > tmp102: tmp102@48 { > -- > 1.7.9.5 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-omap" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- balbi
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