linux-kernel - [PATCH v2 08/10] arm64: dts: imx952-evk: Enable TPM[3,6]

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Message-Id: <20260111-imx952-dts-v2-v2-8-5773fa57e89e@nxp.com>
Date: Sun, 11 Jan 2026 20:40:14 +0800
From: "Peng Fan (OSS)" <peng.fan@....nxp.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>
Cc: devicetree@...r.kernel.org, imx@...ts.linux.dev, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Peng Fan <peng.fan@....com>
Subject: [PATCH v2 08/10] arm64: dts: imx952-evk: Enable TPM[3,6]

From: Peng Fan <peng.fan@....com>

Enable TPM[3,6] for PWM.

Signed-off-by: Peng Fan <peng.fan@....com>
---
 arch/arm64/boot/dts/freescale/imx952-evk.dts | 34 +++++++++++++++++++++++++++-
 1 file changed, 33 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx952-evk.dts b/arch/arm64/boot/dts/freescale/imx952-evk.dts
index 24a3468b1817a673765a9a9cc378d5830d5afd97..21b951a2156414819dfb589e5e7e736e7b1fe48a 100644
--- a/arch/arm64/boot/dts/freescale/imx952-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx952-evk.dts
@@ -1,10 +1,11 @@
 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
 /*
- * Copyright 2025 NXP
+ * Copyright 2025-2026 NXP
  */
 
 /dts-v1/;
 
+#include <dt-bindings/pwm/pwm.h>
 #include <dt-bindings/usb/pd.h>
 #include "imx952.dtsi"
 
@@ -42,6 +43,13 @@ memory@...00000 {
 		reg = <0x0 0x80000000 0 0x80000000>;
 	};
 
+	fan0: pwm-fan {
+		compatible = "pwm-fan";
+		#cooling-cells = <2>;
+		pwms = <&tpm6 2 4000000 PWM_POLARITY_INVERTED>;
+		cooling-levels = <64 128 192 255>;
+	};
+
 	reserved-memory {
 		#address-cells = <2>;
 		#size-cells = <2>;
@@ -264,6 +272,18 @@ &lpspi7 {
 	status = "okay";
 };
 
+&tpm3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_tpm3>;
+	status = "okay";
+};
+
+&tpm6 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_tpm6>;
+	status = "okay";
+};
+
 &usb1 {
 	dr_mode = "otg";
 	hnp-disable;
@@ -394,6 +414,18 @@ IMX952_PAD_SD2_RESET_B__WAKEUPMIX_TOP_GPIO3_IO_7	0x31e
 		>;
 	};
 
+	pinctrl_tpm3: tpm3grp {
+		fsl,pins = <
+			IMX952_PAD_GPIO_IO12__WAKEUPMIX_TOP_TPM3_CH2		0x51e
+		>;
+	};
+
+	pinctrl_tpm6: tpm6grp {
+		fsl,pins = <
+			IMX952_PAD_GPIO_IO19__WAKEUPMIX_TOP_TPM6_CH2		0x51e
+		>;
+	};
+
 	pinctrl_uart1: uart1grp {
 		fsl,pins = <
 			IMX952_PAD_UART1_RXD__AONMIX_TOP_LPUART1_RX		0x31e

-- 
2.37.1