From: Thierry Reding <treding@xxxxxxxxxx>
Enable PWM4 in device tree and use it to drive the PWM fan on the Jetson
Xavier.
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
index 9ff3c18280c4..86f05504ca38 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
@@ -12,5 +12,14 @@
sdhci@3400000 {
status = "okay";
};
+
+ pwm@c340000 {
+ status = "okay";
+ };
+ };
+
+ fan {
+ compatible = "pwm-fan";
+ pwms = <&pwm4 0 45334>;
};
};
--
2.19.1
