[PATCH V2] ARM: dts: am57xx-beagle-x15: Add GPIO controlled fan node
Nishanth Menon
nm at ti.com
Wed Jan 7 15:58:16 PST 2015
On 15:44-20150107, Tony Lindgren wrote:
> * Nishanth Menon <nm at ti.com> [141205 09:51]:
> > 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 at ti.com>
>
> Applying into omap-for-v3.20/dt thanks.
>
> Tony
Could you pick up the very latest rev:
https://patchwork.kernel.org/patch/5569521/ ?
>
> > ---
> >
> > V2: review comment updates
> > review comments update
> > - Sanitized outlook-ified name back to normal ;)
> > - removed unnecessary pinctrl-names property.
> > V1: https://patchwork.kernel.org/patch/5444911/
> >
> >
> > Depends on the following:
> > https://patchwork.kernel.org/patch/5439201/
> > https://patchwork.kernel.org/patch/5439191/
> >
> > 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
> > 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 | 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 49edbda..4e55e94 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 {
> > + /* 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 {
> > @@ -314,6 +322,12 @@
> > wakeup-source;
> > ti,palmas-long-press-seconds = <12>;
> > };
> > +
> > + tps659038_gpio: tps659038_gpio {
> > + compatible = "ti,palmas-gpio";
> > + gpio-controller;
> > + #gpio-cells = <2>;
> > + };
> > };
> >
> > tmp102: tmp102 at 48 {
> > --
> > 1.7.9.5
> >
--
Regards,
Nishanth Menon
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