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pine64-rockpro64: add fancontrol

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rk3399's operating temps are -20 to 80°C. It has sensors for CPU and GPU.
The MINSTART/-STOP values are a result of empirical testing.
This commit is contained in:
Samtinel 2023-10-31 13:36:53 +00:00
parent 80d98a7d55
commit f40197be9a
1 changed files with 21 additions and 0 deletions
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21
pine64/rockpro64/default.nix
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@ -6,4 +6,25 @@
"pcie_rockchip_host"
"phy_rockchip_pcie"
];
# control the fan on the rockpro64 (like the one in the NAS case)
hardware.fancontrol = {
enable = lib.mkDefault true;
config = lib.mkDefault ''
INTERVAL=3
DEVPATH=hwmon0=devices/virtual/thermal/thermal_zone0 hwmon1=devices/virtual/thermal/thermal_zone1 hwmon3=devices/platform/pwm-fan
DEVNAME=hwmon0=cpu_thermal hwmon1=gpu_thermal hwmon3=pwmfan
# There can only be one sensor mapped to one pwm:
# https://github.com/lm-sensors/lm-sensors/issues/228
# Therefore you'll have to decide if you want to check CPU or GPU
# temps. If you want to use GPU instead, replace hwmon0 with
# hwmon1 below.
FCTEMPS=hwmon3/pwm1=hwmon0/temp1_input
MINTEMP=hwmon3/pwm1=40
MAXTEMP=hwmon3/pwm1=80
MINSTART=hwmon3/pwm1=35
MINSTOP=hwmon3/pwm1=30
MINPWM=hwmon3/pwm1=0
MAXPWM=hwmon3/pwm1=255
'';
};
}