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From: Michal Simek <michal.simek@amd.com>
To: <linux-kernel@vger.kernel.org>, <monstr@monstr.eu>,
	<michal.simek@xilinx.com>, <git@xilinx.com>
CC: Vishal Patel <vishal.patel@xilinx.com>, Conor Dooley
	<conor+dt@kernel.org>, Krzysztof Kozlowski
	<krzysztof.kozlowski+dt@linaro.org>, Rob Herring <robh@kernel.org>, "open
 list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
	<devicetree@vger.kernel.org>, "moderated list:ARM/ZYNQ ARCHITECTURE"
	<linux-arm-kernel@lists.infradead.org>
Subject: [PATCH 12/12] arm64: zynqmp: Add pwm-fan node and fix ttc0 pwm-cells property
Date: Mon, 27 May 2024 11:34:18 +0200
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From: Vishal Patel <vishal.patel@xilinx.com>

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 <vishal.patel@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@amd.com>
---

 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