Messages in this thread Patch in this message | | | From | Rajkumar Rampelli <> | Subject | [PATCH 07/10] arm64: tegra: Add PWM based Tachometer support on Tegra186 | Date | Wed, 21 Feb 2018 12:28:56 +0530 |
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Add PWM based Tachometer support on Tegra186 to measure number of rotations of a Fan per minute by using PWM capture interface
Signed-off-by: Rajkumar Rampelli <rrajk@nvidia.com> --- arch/arm64/boot/dts/nvidia/tegra186.dtsi | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi index 8f2d598..37149e9 100644 --- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi @@ -1042,4 +1042,10 @@ reset-names = "tachometer"; status = "disabled"; }; + + generic_pwm_tachometer { + compatible = "generic-pwm-tachometer"; + pwms = <&tegra_tachometer 0 1000000>; + status = "disabled"; + }; }; -- 2.1.4
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