On Fri, Dec 05, 2014 at 11:32:18AM -0600, Nishanth Menon wrote: > From: "Menon, Nishanth" <nm@xxxxxx> do you want to sanitize your name ? > 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> > --- > Depends on the following: > https://patchwork.kernel.org/patch/5439201/ > https://patchwork.kernel.org/patch/5439191/ > > enable and disable can be controlled by > echo '1' > /sys/class/hwmon/hwmon0/fan1_target > and > echo '0' > /sys/class/hwmon/hwmon0/fan1_target > > requires CONFIG_GPIO_PALMAS and CONFIG_SENSORS_GPIO_FAN to be operational > Applies on > https://git.kernel.org/cgit/linux/kernel/git/tmlind/linux-omap.git/log/?h=omap-for-v3.19/dt-v2 > > arch/arm/boot/dts/am57xx-beagle-x15.dts | 15 +++++++++++++++ > 1 file changed, 15 insertions(+) > > diff --git a/arch/arm/boot/dts/am57xx-beagle-x15.dts b/arch/arm/boot/dts/am57xx-beagle-x15.dts > index 49edbda..7fe82ef 100644 > --- a/arch/arm/boot/dts/am57xx-beagle-x15.dts > +++ b/arch/arm/boot/dts/am57xx-beagle-x15.dts > @@ -80,6 +80,15 @@ > default-state = "off"; > }; > }; > + > + gpio_fan { > + /* Based on 5v 500mA AFB02505HHB */ > + compatible = "gpio-fan"; > + pinctrl-names = "default"; not needed. > + gpios = <&tps659038_gpio 1 GPIO_ACTIVE_HIGH>; > + gpio-fan,speed-map = <0 0 > + 13000 1>; > + }; > }; > > &dra7_pmx_core { > @@ -314,6 +323,12 @@ > 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 > -- balbi
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