[PATCH v1 2/3] arm64: dts: imx8mm-var-dart: add TPM support

From: Stefano Radaelli

Date: Thu Sep 17 2026 - 12:02:26 EST


From: Stefano Radaelli <stefano.r@xxxxxxxxxxxxx>

Add support for the TPM available on the Variscite DART-MX8M-MINI SOM.

Co-developed-by: Nate Drude <nate.d@xxxxxxxxxxxxx>
Signed-off-by: Nate Drude <nate.d@xxxxxxxxxxxxx>
Signed-off-by: Stefano Radaelli <stefano.r@xxxxxxxxxxxxx>
---
arch/arm64/boot/dts/freescale/imx8mm-var-dart.dtsi | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-var-dart.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-var-dart.dtsi
index c7a9eb23e5e8..9fc0f7e551ca 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-var-dart.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-var-dart.dtsi
@@ -138,6 +138,13 @@ &i2c1 {
sda-gpios = <&gpio5 15 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
status = "okay";

+ st33ktpm2xi2c_som: tpm@2e {
+ compatible = "st,st33ktpm2xi2c", "tcg,tpm-tis-i2c";
+ reg = <0x2e>;
+ label = "tpm";
+ reset-gpios = <&gpio4 31 GPIO_ACTIVE_HIGH>;
+ };
+
pmic@4b {
compatible = "rohm,bd71847";
reg = <0x4b>;
--
2.47.3