Re: [PATCH 1/5] arm64: dts: freescale: Import optee node from u-boot device trees

On Fri, Jul 10, 2026 at 05:31:34PM +0200, Mathieu Dubois-Briand wrote:
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>
> U-Boot is importing kernel device trees for these platforms, but adding
> a firmware node to enable communication with OP-TEE. Importing
> changes here will allow to remove these additions in U-Boot.
>
> Signed-off-by: Mathieu Dubois-Briand <[email protected]>
> ---
>  arch/arm64/boot/dts/freescale/imx8mm.dtsi                | 7 +++++++
>  arch/arm64/boot/dts/freescale/imx8mn.dtsi                | 7 +++++++
>  arch/arm64/boot/dts/freescale/imx8mp.dtsi                | 7 +++++++

Please split soc dts change to new patch.

Frank

>  arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts        | 7 +++++++
>  arch/arm64/boot/dts/freescale/imx91-11x11-frdm.dts       | 7 +++++++
>  arch/arm64/boot/dts/freescale/imx91-phyboard-segin.dts   | 7 +++++++
>  arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts        | 7 +++++++
>  arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts          | 7 +++++++
>  arch/arm64/boot/dts/freescale/imx93-kontron-bl-osm-s.dts | 7 +++++++
>  arch/arm64/boot/dts/freescale/imx93-phyboard-segin.dts   | 7 +++++++
>  arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts | 7 +++++++
>  11 files changed, 77 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> index 5cf2998d396d..4a55464e8a6f 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> @@ -233,6 +233,13 @@ timer {
>                 arm,no-tick-in-suspend;
>         };
>
> +       firmware {
> +               optee: optee {
> +                       compatible = "linaro,optee-tz";
> +                       method = "smc";
> +               };
> +       };
> +
>         thermal_zones: thermal-zones {
>                 cpu-thermal {
>                         polling-delay-passive = <250>;
> diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
> index 79b169b07c4f..c3b4560ec9b4 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
> @@ -265,6 +265,13 @@ timer {
>                 arm,no-tick-in-suspend;
>         };
>
> +       firmware {
> +               optee: optee {
> +                       compatible = "linaro,optee-tz";
> +                       method = "smc";
> +               };
> +       };
> +
>         soc: soc@0 {
>                 compatible = "fsl,imx8mn-soc", "simple-bus";
>                 #address-cells = <1>;
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> index 5ce2825182fd..285b98384255 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> @@ -404,6 +404,13 @@ timer {
>                 arm,no-tick-in-suspend;
>         };
>
> +       firmware {
> +               optee: optee {
> +                       compatible = "linaro,optee-tz";
> +                       method = "smc";
> +               };
> +       };
> +
>         soc: soc@0 {
>                 compatible = "fsl,imx8mp-soc", "simple-bus";
>                 #address-cells = <1>;
> diff --git a/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts
> index 5716febb5a50..c7050bafacae 100644
> --- a/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts
> @@ -110,6 +110,13 @@ linux,cma {
>                 };
>         };
>
> +       firmware {
> +               optee: optee {
> +                       compatible = "linaro,optee-tz";
> +                       method = "smc";
> +               };
> +       };
> +
>         sound-wm8962 {
>                 compatible = "fsl,imx-audio-wm8962";
>                 model = "wm8962-audio";
> diff --git a/arch/arm64/boot/dts/freescale/imx91-11x11-frdm.dts b/arch/arm64/boot/dts/freescale/imx91-11x11-frdm.dts
> index c25561574d3f..c0156921414f 100644
> --- a/arch/arm64/boot/dts/freescale/imx91-11x11-frdm.dts
> +++ b/arch/arm64/boot/dts/freescale/imx91-11x11-frdm.dts
> @@ -152,6 +152,13 @@ linux,cma {
>                 };
>         };
>
> +       firmware {
> +               optee: optee {
> +                       compatible = "linaro,optee-tz";
> +                       method = "smc";
> +               };
> +       };
> +
>         soc@0 {
>                 bootph-all;
>                 bootph-pre-ram;
> diff --git a/arch/arm64/boot/dts/freescale/imx91-phyboard-segin.dts b/arch/arm64/boot/dts/freescale/imx91-phyboard-segin.dts
> index 022e9c6841ef..62b6eff013f1 100644
> --- a/arch/arm64/boot/dts/freescale/imx91-phyboard-segin.dts
> +++ b/arch/arm64/boot/dts/freescale/imx91-phyboard-segin.dts
> @@ -35,6 +35,13 @@ chosen {
>                 stdout-path = &lpuart1;
>         };
>
> +       firmware {
> +               optee: optee {
> +                       compatible = "linaro,optee-tz";
> +                       method = "smc";
> +               };
> +       };
> +
>         flexcan1_tc: can-phy0 {
>                 /* TI SN65HVD234D CAN-CC 1MBit/s */
>                 compatible = "ti,tcan1043";
> diff --git a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
> index c6db9c85f2ac..0bea169d7029 100644
> --- a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
> @@ -42,6 +42,13 @@ reg_usdhc3_vmmc: regulator-usdhc3 {
>                 enable-active-high;
>         };
>
> +       firmware {
> +               optee: optee {
> +                       compatible = "linaro,optee-tz";
> +                       method = "smc";
> +               };
> +       };
> +
>         usdhc3_pwrseq: usdhc3_pwrseq {
>                 compatible = "mmc-pwrseq-simple";
>                 reset-gpios = <&pcal6524 12 GPIO_ACTIVE_LOW>;
> diff --git a/arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts b/arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts
> index 01c11c517986..6b99c0594125 100644
> --- a/arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts
> +++ b/arch/arm64/boot/dts/freescale/imx93-9x9-qsb.dts
> @@ -147,6 +147,13 @@ reg_usdhc3_vmmc: regulator-usdhc3 {
>                 enable-active-high;
>         };
>
> +       firmware {
> +               optee: optee {
> +                       compatible = "linaro,optee-tz";
> +                       method = "smc";
> +               };
> +       };
> +
>         sound-bt-sco {
>                 compatible = "simple-audio-card";
>                 simple-audio-card,name = "bt-sco-audio";
> diff --git a/arch/arm64/boot/dts/freescale/imx93-kontron-bl-osm-s.dts b/arch/arm64/boot/dts/freescale/imx93-kontron-bl-osm-s.dts
> index 4620c070f4d7..b8fa0cda33b2 100644
> --- a/arch/arm64/boot/dts/freescale/imx93-kontron-bl-osm-s.dts
> +++ b/arch/arm64/boot/dts/freescale/imx93-kontron-bl-osm-s.dts
> @@ -62,6 +62,13 @@ reg_vcc_panel: regulator-vcc-panel {
>                 regulator-min-microvolt = <3300000>;
>                 regulator-name = "VCC_PANEL";
>         };
> +
> +       firmware {
> +               optee: optee {
> +                       compatible = "linaro,optee-tz";
> +                       method = "smc";
> +               };
> +       };
>  };
>
>  &eqos { /* Second ethernet (OSM-S ETH_B) */
> diff --git a/arch/arm64/boot/dts/freescale/imx93-phyboard-segin.dts b/arch/arm64/boot/dts/freescale/imx93-phyboard-segin.dts
> index d929aa9ff255..e96b8437f922 100644
> --- a/arch/arm64/boot/dts/freescale/imx93-phyboard-segin.dts
> +++ b/arch/arm64/boot/dts/freescale/imx93-phyboard-segin.dts
> @@ -36,6 +36,13 @@ chosen {
>                 stdout-path = &lpuart1;
>         };
>
> +       firmware {
> +               optee: optee {
> +                       compatible = "linaro,optee-tz";
> +                       method = "smc";
> +               };
> +       };
> +
>         flexcan1_tc: can-phy0 {
>                 compatible = "ti,tcan1043";
>                 #phy-cells = <0>;
> diff --git a/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts b/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts
> index 409c7e74ffe3..20eaabc23b49 100644
> --- a/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts
> +++ b/arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts
> @@ -125,6 +125,13 @@ ele_reserved: ele-reserved@87de0000 {
>                 };
>         };
>
> +       firmware {
> +               optee: optee {
> +                       compatible = "linaro,optee-tz";
> +                       method = "smc";
> +               };
> +       };
> +
>         gpio-keys {
>                 compatible = "gpio-keys";
>
>
> --
> 2.47.3
>
>