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arm64: dts: imx93-var-som-symphony: add TPM support

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Add the ST33KTPM2XI2C TPM device on the Symphony carrier board.

The TPM reset line is driven through a PCAL6408 GPIO expander, so add
the expander on the I2C bus and describe the TPM reset GPIO.

Signed-off-by: Stefano Radaelli <stefano.r@variscite.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
This commit is contained in:
Stefano Radaelli 2026-06-03 10:25:00 +02:00 committed by Frank Li
parent 4faac185cc
commit 6dc737d7da
1 changed files with 15 additions and 0 deletions
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15
arch/arm64/boot/dts/freescale/imx93-var-som-symphony.dts
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@ -208,6 +208,21 @@ &lpi2c1 {
sda-gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
status = "okay";
pcal6408: gpio@21 {
compatible = "nxp,pcal6408";
reg = <0x21>;
gpio-controller;
#gpio-cells = <2>;
status = "okay";
};
st33ktpm2xi2c: tpm@2e {
compatible = "st,st33ktpm2xi2c", "tcg,tpm-tis-i2c";
reg = <0x2e>;
label = "tpm";
reset-gpios = <&pcal6408 4 GPIO_ACTIVE_LOW>;
};
/* Capacitive touch controller */
ft5x06_ts: touchscreen@38 {
compatible = "edt,edt-ft5206";