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[V2,6/9] arm64: tegra: Add pwm based fan support on Tegra186

Message ID 1521607244-29734-7-git-send-email-rrajk@nvidia.com (mailing list archive)
State Not Applicable
Headers show

Commit Message

Rajkumar Rampelli March 21, 2018, 4:40 a.m. UTC 
Add pwm fan driver support on Tegra186 SoC.

Signed-off-by: Rajkumar Rampelli <rrajk@nvidia.com>
---

V2: Removed generic-pwm-tachometer driver dt node and using pwm-fan driver
    for reading fan speed.

 arch/arm64/boot/dts/nvidia/tegra186.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
index 19e1afc..27ae73e 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
@@ -1053,4 +1053,10 @@ 
 		reset-names = "tachometer";
 		status = "disabled";
 	};
+
+	pwm_fan {
+		compatible = "pwm-fan";
+		pwms = <&tegra_tachometer 0 1000000>;
+		status = "disabled";
+	};
 };