summaryrefslogtreecommitdiffstats
path: root/arch/arm/boot/dts/mvebu-linkstation-fan.dtsi
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--arch/arm/boot/dts/mvebu-linkstation-fan.dtsi72
1 files changed, 72 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/mvebu-linkstation-fan.dtsi b/arch/arm/boot/dts/mvebu-linkstation-fan.dtsi
new file mode 100644
index 000000000..e172029a0
--- /dev/null
+++ b/arch/arm/boot/dts/mvebu-linkstation-fan.dtsi
@@ -0,0 +1,72 @@
+/*
+ * Device Tree common file for gpio-fan on Buffalo Linkstation
+ *
+ * Copyright (C) 2015, 2016
+ * Roger Shimizu <rogershimizu@gmail.com>
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ * a) This file is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This file is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * Or, alternatively,
+ *
+ * b) Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/ {
+ gpio_fan {
+ compatible = "gpio-fan";
+ pinctrl-0 = <&pmx_fan_low &pmx_fan_high &pmx_fan_lock>;
+ pinctrl-names = "default";
+
+ gpio-fan,speed-map =
+ <0 3
+ 1500 2
+ 3250 1
+ 5000 0>;
+ };
+};
+
+&pinctrl {
+ pmx_fan_low: pmx-fan-low {
+ marvell,function = "gpio";
+ };
+
+ pmx_fan_high: pmx-fan-high {
+ marvell,function = "gpio";
+ };
+
+ pmx_fan_lock: pmx-fan-lock {
+ marvell,function = "gpio";
+ };
+};