From mboxrd@z Thu Jan 1 00:00:00 1970 From: balbi@ti.com (Felipe Balbi) Date: Mon, 5 Jan 2015 11:27:37 -0600 Subject: [PATCH V4] ARM: dts: am57xx-beagle-x15: Add GPIO controlled fan node In-Reply-To: <1420475549-28492-1-git-send-email-nm@ti.com> References: <1420475549-28492-1-git-send-email-nm@ti.com> Message-ID: <20150105172737.GK19336@saruman> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 > --- > 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 oh, perhaps add these as modules to omap2plus_defconfig ? -- balbi -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 819 bytes Desc: Digital signature URL: