[PATCH 1/4] arm64: dts: imx91: Add tempsensor node

Peng Fan (OSS) peng.fan at oss.nxp.com
Fri Dec 12 01:16:07 PST 2025


From: Peng Fan <peng.fan at nxp.com>

Add tempsensor node and trim sub-nodes in ocotp.

Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
 arch/arm64/boot/dts/freescale/imx91.dtsi | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx91.dtsi b/arch/arm64/boot/dts/freescale/imx91.dtsi
index 4d8300b2a7bca33bd0613db9e79d2fba6b40c052..c08db08ca9607b9780a77e215cdb5997e4daae4e 100644
--- a/arch/arm64/boot/dts/freescale/imx91.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx91.dtsi
@@ -6,6 +6,21 @@
 #include "imx91-pinfunc.h"
 #include "imx91_93_common.dtsi"
 
+&aips1 {
+	tempsense0: thermal-sensor at 44482000 {
+		compatible = "fsl,imx91-tmu";
+		reg = <0x44482000 0x1000>;
+		clocks = <&clk IMX93_CLK_TMC_GATE>;
+		interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "thr1", "thr2", "ready";
+		#thermal-sensor-cells = <0>;
+		nvmem-cells = <&tmu_trim1>, <&tmu_trim2>;
+		nvmem-cell-names = "trim1", "trim2";
+	};
+};
+
 &clk {
 	compatible = "fsl,imx91-ccm";
 };
@@ -69,3 +84,13 @@ &media_blk_ctrl {
 	clock-names = "apb", "axi", "nic", "disp", "cam",
 		      "lcdif", "isi", "csi";
 };
+
+&ocotp {
+	tmu_trim1: tmu-trim at a0 {
+		reg = <0xa0 0x4>;
+	};
+
+	tmu_trim2: tmu-trim at a4 {
+		reg = <0xa4 0x4>;
+	};
+};

-- 
2.37.1




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