Re: [PATCH 1/5] arm64: dts: freescale: Import optee node from u-boot device trees
From: Frank Li
Date: Fri Jul 10 2026 - 17:13:21 EST
On Fri, Jul 10, 2026 at 05:31:34PM +0200, Mathieu Dubois-Briand wrote:
> [You don't often get email from mathieu.dubois-briand@xxxxxxxxxxx. Learn why this is important at https://aka.ms/LearnAboutSenderIdentification ]
>
> 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 <mathieu.dubois-briand@xxxxxxxxxxx>
> ---
> 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
>
>