git.openwrt.org Git - openwrt/staging/ldir.git/blob

   1 From 5d90603b09e5814ffc38c47e79ccf9bc564f9296 Mon Sep 17 00:00:00 2001
   2 From: Daniel Golle <daniel@makrotopia.org>
   3 Date: Tue, 30 May 2023 22:12:35 +0200
   4 Subject: [PATCH 18/19] arm64: dts: mt7986: add pwm-fan and cooling-maps to
   5  BPI-R3 dts
   6
   7 Add pwm-fan and cooling-maps to BananaPi-R3 devicetree.
   8
   9 Signed-off-by: Daniel Golle <daniel@makrotopia.org>
  10 Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
  11 Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
  12 Link: https://lore.kernel.org/r/20230530201235.22330-5-linux@fw-web.de
  13 Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
  14 ---
  15  .../dts/mediatek/mt7986a-bananapi-bpi-r3.dts  | 31 +++++++++++++++++++
  16  1 file changed, 31 insertions(+)
  17
  18 --- a/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3.dts
  19 +++ b/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3.dts
  20 @@ -38,6 +38,15 @@
  21                 regulator-always-on;
  22         };
  23
  24 +       fan: pwm-fan {
  25 +               compatible = "pwm-fan";
  26 +               #cooling-cells = <2>;
  27 +               /* cooling level (0, 1, 2) - pwm inverted */
  28 +               cooling-levels = <255 96 0>;
  29 +               pwms = <&pwm 0 10000 0>;
  30 +               status = "okay";
  31 +       };
  32 +
  33         gpio-keys {
  34                 compatible = "gpio-keys";
  35
  36 @@ -133,6 +142,28 @@
  37         };
  38  };
  39
  40 +&cpu_thermal {
  41 +       cooling-maps {
  42 +               cpu-active-high {
  43 +                       /* active: set fan to cooling level 2 */
  44 +                       cooling-device = <&fan 2 2>;
  45 +                       trip = <&cpu_trip_active_high>;
  46 +               };
  47 +
  48 +               cpu-active-low {
  49 +                       /* active: set fan to cooling level 1 */
  50 +                       cooling-device = <&fan 1 1>;
  51 +                       trip = <&cpu_trip_active_low>;
  52 +               };
  53 +
  54 +               cpu-passive {
  55 +                       /* passive: set fan to cooling level 0 */
  56 +                       cooling-device = <&fan 0 0>;
  57 +                       trip = <&cpu_trip_passive>;
  58 +               };
  59 +       };
  60 +};
  61 +
  62  &crypto {
  63         status = "okay";
  64  };