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| author | Andrew Jeffery <andrew@aj.id.au> | 2017-07-27 12:57:13 +0300 |
|---|---|---|
| committer | Joel Stanley <joel@jms.id.au> | 2021-11-01 09:42:42 +0300 |
| commit | 098f156b4f106da7da2e98e9221b6bfb471ab788 (patch) | |
| tree | 9a2afeadf1449dead0efef65a5e92bf9c9f4d67f /arch/arm/boot | |
| parent | f1c0b6a1508bae4aa1ec6a507624c7a7a70e6f96 (diff) | |
| download | linux-098f156b4f106da7da2e98e9221b6bfb471ab788.tar.xz | |
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: 15
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 230f3584bcab..6e2545265c0e 100644 --- a/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts +++ b/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts @@ -362,6 +362,58 @@ 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 { |