From: Thierry Reding <treding@nvidia.com>
Date: Fri, 21 Sep 2018 09:08:28 +0000 (+0200)
Subject: arm64: tegra: Add PWM fan support on Jetson Xavier
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=585423535cd695bf452d3c485791557439a5a97e;p=linux.git

arm64: tegra: Add PWM fan support on Jetson Xavier

Enable PWM4 in device tree and use it to drive the PWM fan on the Jetson
Xavier.

Signed-off-by: Thierry Reding <treding@nvidia.com>
---

diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
index 9ff3c18280c40..86f05504ca38f 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>;
 	};
 };