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 <[email protected]> --- 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@48 { -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
