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add hdmi and extension detection gpio #11

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Merged
shoaibmerchant merged 2 commits into from
Jan 22, 2026
Merged

add hdmi and extension detection gpio #11

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6f97fb3
board: mecha: add hdmi and extension detection gpio
chiragp-mecha Jan 21, 2026
34b852b
board: mecha: update linux input key code for Comet-Extension
chiragp-mecha Jan 22, 2026
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65 changes: 63 additions & 2 deletions arch/arm64/boot/dts/freescale/imx8mp-mecha-comet.dts
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Original file line number Diff line number Diff line change
Expand Up @@ -6,8 +6,8 @@
/dts-v1/;

//#include <dt-bindings/phy/phy-imx8-pcie.h>
//#include <dt-bindings/pwm/pwm.h>
//#include <dt-bindings/usb/pd.h>
#include <dt-bindings/pwm/pwm.h>
#include <dt-bindings/usb/pd.h>
#include "imx8mp.dtsi"

/ {
Expand Down Expand Up @@ -110,6 +110,13 @@
};
};

sound-hdmi {
compatible = "fsl,imx-audio-hdmi";
model = "audio-hdmi";
audio-cpu = <&aud2htx>;
hdmi-out;
};

usb0_ss_mux: ptn36043 {
compatible = "nxp,ptn36043";
pinctrl-names = "default";
Expand Down Expand Up @@ -168,6 +175,17 @@
};
};

Comet-Extension {
compatible = "gpio-keys";

keypad-slide {
label = "Comet Extension Keypad Slide";
linux,input-type = <EV_KEY>;
linux,code = <KEY_F24>;
gpios = <&gpio4 23 GPIO_ACTIVE_HIGH>;
};
};

};

&A53_0 {
Expand Down Expand Up @@ -214,6 +232,30 @@
dr_mode = "host";
};

&irqsteer_hdmi {
status = "okay";
};

&hdmi_blk_ctrl {
status = "okay";
};

&hdmi_pavi {
status = "okay";
};

&hdmi {
status = "okay";
};

&hdmiphy {
status = "okay";
};

&aud2htx {
status = "okay";
};

&wdog1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_wdog>;
Expand Down Expand Up @@ -660,6 +702,17 @@
status = "okay";
};

&lcdif2 {
status = "disabled";
};

&lcdif3 {
status = "okay";

thres-low = <1 2>; /* (FIFO * 1 / 2) */
thres-high = <3 4>; /* (FIFO * 3 / 4) */
};

&mipi_dsi {
samsung,esc-clock-frequency = <16000000>;
status = "okay";
Expand Down Expand Up @@ -1052,4 +1105,12 @@
>;
};

pinctrl_hog: hoggrp {
fsl,pins = <
MX8MP_IOMUXC_HDMI_DDC_SCL__HDMIMIX_HDMI_SCL 0x400001c2
MX8MP_IOMUXC_HDMI_DDC_SDA__HDMIMIX_HDMI_SDA 0x400001c2
MX8MP_IOMUXC_HDMI_HPD__HDMIMIX_HDMI_HPD 0x40000010
MX8MP_IOMUXC_HDMI_CEC__HDMIMIX_HDMI_CEC 0x40000010
>;
};
};