[PATCH v2 2/7] arm64: dts: freescale: Import optee node from u-boot i.MX8 device trees
From: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Date: 2026-07-15 14:23:00
Also in:
imx, linux-devicetree, lkml, openbmc
Subsystem:
arm/freescale imx / mxc arm architecture, the rest · Maintainers:
Frank Li, Sascha Hauer, Linus Torvalds
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@bootlin.com> --- arch/arm64/boot/dts/freescale/imx8mm.dtsi | 7 +++++++ arch/arm64/boot/dts/freescale/imx8mn.dtsi | 7 +++++++ arch/arm64/boot/dts/freescale/imx8mp.dtsi | 7 +++++++ 3 files changed, 21 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>;
--
2.47.3