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| author | Andrew Jeffery <andrew@aj.id.au> | 2017-07-27 19:27:13 +0930 |
|---|---|---|
| committer | Joel Stanley <joel@jms.id.au> | 2019-03-20 15:13:35 +1030 |
| commit | f9af1727eac08a3bb7e33487732c5a8dec021b5e (patch) | |
| tree | a3a8c049da962e8549b3c2304971583cf6d31748 /arch/arm/boot | |
| parent | 261d3bccdbe4e0f3f9c2157cf757b7a1eb6b3dac (diff) | |
| download | talos-obmc-linux-f9af1727eac08a3bb7e33487732c5a8dec021b5e.tar.gz talos-obmc-linux-f9af1727eac08a3bb7e33487732c5a8dec021b5e.zip | |
ARM: dts: aspeed: witherspoon: Update max31785 node
Witherspoon contains four dual-tach fans. We configure them go to 100%
when the fault pin is asserted, and disable the fan ramp watchdog. This
preserves the behaviour of the previous driver.
OpenBMC-Staging-Count: 6
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'arch/arm/boot')
| -rw-r--r-- | arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts b/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts index ad54117c075e..4d2d735d69cd 100644 --- a/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts +++ b/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts @@ -269,6 +269,58 @@ reg = <0x52>; #address-cells = <1>; #size-cells = <0>; + + fan@0 { + compatible = "pmbus-fan"; + reg = <0>; + tach-pulses = <2>; + maxim,fan-rotor-input = "tach"; + maxim,fan-pwm-freq = <25000>; + maxim,fan-dual-tach; + maxim,fan-no-watchdog; + maxim,fan-no-fault-ramp; + maxim,fan-ramp = <2>; + maxim,fan-fault-pin-mon; + }; + + fan@1 { + compatible = "pmbus-fan"; + reg = <1>; + tach-pulses = <2>; + maxim,fan-rotor-input = "tach"; + maxim,fan-pwm-freq = <25000>; + maxim,fan-dual-tach; + maxim,fan-no-watchdog; + maxim,fan-no-fault-ramp; + maxim,fan-ramp = <2>; + maxim,fan-fault-pin-mon; + }; + + fan@2 { + compatible = "pmbus-fan"; + reg = <2>; + tach-pulses = <2>; + maxim,fan-rotor-input = "tach"; + maxim,fan-pwm-freq = <25000>; + maxim,fan-dual-tach; + maxim,fan-no-watchdog; + maxim,fan-no-fault-ramp; + maxim,fan-ramp = <2>; + maxim,fan-fault-pin-mon; + }; + + fan@3 { + compatible = "pmbus-fan"; + reg = <3>; + tach-pulses = <2>; + maxim,fan-rotor-input = "tach"; + maxim,fan-pwm-freq = <25000>; + maxim,fan-dual-tach; + maxim,fan-no-watchdog; + maxim,fan-no-fault-ramp; + maxim,fan-ramp = <2>; + maxim,fan-fault-pin-mon; + }; }; dps: dps310@76 { |
