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arm64: dts: freescale: imx8mp-toradex-smarc: add gpio expander

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Add gpio expander node to the device tree and the related nodes.

Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Emanuele Ghidoli <emanuele.ghidoli@toradex.com>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Emanuele Ghidoli
2025-04-30 11:41:49 +02:00
committed by Shawn Guo
parent e40201b454
commit 8161827fb8
1 changed files with 25 additions and 0 deletions
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25
arch/arm64/boot/dts/freescale/imx8mp-toradex-smarc.dtsi
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@@ -54,6 +54,13 @@ smarc_key_sleep: key-sleep {
wakeup-source;
linux,code = <KEY_SLEEP>;
};
smarc_switch_lid: switch-lid {
gpios = <&som_ec_gpio_expander 2 GPIO_ACTIVE_LOW>;
label = "SMARC_LID#";
linux,code = <SW_LID>;
linux,input-type = <EV_SW>;
};
};
reg_usb0_vbus: regulator-usb0-vbus {
@@ -539,6 +546,24 @@ embedded-controller@28 {
reg = <0x28>;
};
som_ec_gpio_expander: gpio@29 {
compatible = "toradex,ecgpiol16", "nxp,pcal6416";
reg = <0x29>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_mcu_int>;
#interrupt-cells = <2>;
interrupt-controller;
interrupt-parent = <&gpio3>;
interrupts = <8 IRQ_TYPE_LEVEL_LOW>;
#gpio-cells = <2>;
gpio-controller;
gpio-line-names =
"SMARC_CHARGER_PRSNT#",
"SMARC_CHARGING#",
"SMARC_LID#",
"SMARC_BATLOW#";
};
rtc_i2c: rtc@32 {
compatible = "epson,rx8130";
reg = <0x32>;