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

[Frank Li]

On Fri, Dec 12, 2025 at 05:16:07PM +0800, Peng Fan (OSS) wrote:
> 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>
> ---

I posted it when upstream tmu driver

https://lore.kernel.org/imx/20251020-imx91tmu-v7-3-48d7d9f25055@nxp.com/

Frank
>  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
>