2024-05-27 09:38:17

by Michal Simek

[permalink] [raw]
Subject: [PATCH 12/12] arm64: zynqmp: Add pwm-fan node and fix ttc0 pwm-cells property

From: Vishal Patel <[email protected]>

Add pwm-fan node to control fan through hwmon and change
pwm-cells property to 3 to allow fancontrol utility to
function correctly.

Signed-off-by: Vishal Patel <[email protected]>
Signed-off-by: Michal Simek <[email protected]>
---

arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts | 11 +++++++++++
1 file changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts b/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts
index 2841be11ae66..86e6c4990560 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-sm-k26-revA.dts
@@ -103,12 +103,23 @@ ams {
<&xilinx_ams 24>, <&xilinx_ams 25>, <&xilinx_ams 26>,
<&xilinx_ams 27>, <&xilinx_ams 28>, <&xilinx_ams 29>;
};
+
+ pwm-fan {
+ compatible = "pwm-fan";
+ status = "okay";
+ pwms = <&ttc0 2 40000 0>;
+ };
};

&modepin_gpio {
label = "modepin";
};

+&ttc0 {
+ status = "okay";
+ #pwm-cells = <3>;
+};
+
&uart1 { /* MIO36/MIO37 */
status = "okay";
};
--
2.40.1