| Message ID | 1420309826-7904-1-git-send-email-nm@ti.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hi Nishanth, On Sat, Jan 03, 2015 at 12:30:26PM -0600, Nishanth Menon wrote: > [...] > + gpio-fan,speed-map = <0 0 > + 13000 1>; > [...] iirc DT maintainers prefer this format: gpio-fan,speed-map = <0 0>, <13000 1>; This should result in the same .dtb, but is a bit easier to read. -- Sebastian
On 01/03/2015 05:39 PM, Sebastian Reichel wrote: > On Sat, Jan 03, 2015 at 12:30:26PM -0600, Nishanth Menon wrote: >> [...] >> + gpio-fan,speed-map = <0 0 >> + 13000 1>; >> [...] > > iirc DT maintainers prefer this format: > > gpio-fan,speed-map = <0 0>, > <13000 1>; > > This should result in the same .dtb, but is a bit easier to read. > yes indeed.. :( Thanks for catching it. will repost. Regards, Nishanth Menon -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/arch/arm/boot/dts/am57xx-beagle-x15.dts b/arch/arm/boot/dts/am57xx-beagle-x15.dts index 6c2e8e4..c171720 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 {
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@ti.com> --- V3: Rebased to v3.19-rc1, added label for GPIO fan (for future cooling device reference) 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(+)