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arm64: dts: am62p5-var-som-symphony: add TPM support

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Add the ST33KTPM2XI2C TPM device on the Symphony carrier board.

The TPM reset signal is driven through a PCAL6408 GPIO expander, so add
the corresponding GPIO expander node. Configure the RGB_SEL board signal
through a GPIO hog to keep the board in the expected configuration.

Signed-off-by: Stefano Radaelli <stefano.r@variscite.com>
Link: https://patch.msgid.link/d3ac1ce507b48f8debc8857814be00600b5a14f9.1782680023.git.stefano.r@variscite.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
This commit is contained in:
Stefano Radaelli 2026-06-28 22:56:08 +02:00 committed by Vignesh Raghavendra
parent 1362968f15
commit a3f7082617
1 changed files with 22 additions and 0 deletions
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22
arch/arm64/boot/dts/ti/k3-am62p5-var-som-symphony.dts
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@ -293,6 +293,28 @@ &main_i2c1 {
clock-frequency = <400000>;
status = "okay";
pcal6408: gpio@21 {
compatible = "nxp,pcal6408";
reg = <0x21>;
gpio-controller;
#gpio-cells = <2>;
/* RGB_SEL */
lvds-brg-enable-hog {
gpio-hog;
gpios = <7 GPIO_ACTIVE_HIGH>;
output-low;
line-name = "lvds_brg_en";
};
};
st33ktpm2xi2c: tpm@2e {
compatible = "st,st33ktpm2xi2c", "tcg,tpm-tis-i2c";
label = "tpm";
reg = <0x2e>;
reset-gpios = <&pcal6408 4 GPIO_ACTIVE_LOW>;
};
/* Capacitive touch controller */
ft5x06_ts: touchscreen@38 {
compatible = "edt,edt-ft5206";