mvebu-linkstation-fan.dtsi 2.4 KB

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  1. /*
  2. * Device Tree common file for gpio-fan on Buffalo Linkstation
  3. *
  4. * Copyright (C) 2015, 2016
  5. * Roger Shimizu <[email protected]>
  6. *
  7. * This file is dual-licensed: you can use it either under the terms
  8. * of the GPL or the X11 license, at your option. Note that this dual
  9. * licensing only applies to this file, and not this project as a
  10. * whole.
  11. *
  12. * a) This file is free software; you can redistribute it and/or
  13. * modify it under the terms of the GNU General Public License as
  14. * published by the Free Software Foundation; either version 2 of the
  15. * License, or (at your option) any later version.
  16. *
  17. * This file is distributed in the hope that it will be useful,
  18. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  20. * GNU General Public License for more details.
  21. *
  22. * Or, alternatively,
  23. *
  24. * b) Permission is hereby granted, free of charge, to any person
  25. * obtaining a copy of this software and associated documentation
  26. * files (the "Software"), to deal in the Software without
  27. * restriction, including without limitation the rights to use,
  28. * copy, modify, merge, publish, distribute, sublicense, and/or
  29. * sell copies of the Software, and to permit persons to whom the
  30. * Software is furnished to do so, subject to the following
  31. * conditions:
  32. *
  33. * The above copyright notice and this permission notice shall be
  34. * included in all copies or substantial portions of the Software.
  35. *
  36. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  37. * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  38. * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  39. * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  40. * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  41. * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  42. * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  43. * OTHER DEALINGS IN THE SOFTWARE.
  44. */
  45. / {
  46. gpio_fan {
  47. compatible = "gpio-fan";
  48. pinctrl-0 = <&pmx_fan_low &pmx_fan_high &pmx_fan_lock>;
  49. pinctrl-names = "default";
  50. gpio-fan,speed-map =
  51. <0 3
  52. 1500 2
  53. 3250 1
  54. 5000 0>;
  55. };
  56. };
  57. &pinctrl {
  58. pmx_fan_low: pmx-fan-low {
  59. marvell,function = "gpio";
  60. };
  61. pmx_fan_high: pmx-fan-high {
  62. marvell,function = "gpio";
  63. };
  64. pmx_fan_lock: pmx-fan-lock {
  65. marvell,function = "gpio";
  66. };
  67. };