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arm64: dts: imx8-colibri: Add PCIe support

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The needed drivers to support PCIe for i.MX 8QXP have been
added.
Configure PCIe for the Colibri iMX8X SoM.

The pcieb block is connected to the on module Wi-Fi/BT module.

Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Max Krummenacher 2025-04-22 13:50:49 +02:00 committed by Shawn Guo
parent 265bf4ccd7
commit a504243058
1 changed files with 28 additions and 1 deletions
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29
arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi
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@ -52,6 +52,15 @@ reg_module_vref_1v8: regulator-module-vref-1v8 {
regulator-name = "vref-1v8";
};
reg_module_wifi: regulator-module-wifi {
compatible = "regulator-fixed";
gpio = <&gpio_expander_43 6 GPIO_ACTIVE_HIGH>;
enable-active-high;
regulator-always-on;
regulator-name = "Wi-Fi_PDn";
startup-delay-us = <2000>;
};
reg_usbh_vbus: regulator-usbh-vbus {
compatible = "regulator-fixed";
pinctrl-names = "default";
@ -261,6 +270,16 @@ ethphy0: ethernet-phy@2 {
};
};
&hsio_phy {
fsl,hsio-cfg = "pciea-x2-pcieb";
fsl,refclk-pad-mode = "input";
status = "okay";
};
&hsio_refb_clk {
enable-gpios = <&gpio_expander_43 3 GPIO_ACTIVE_HIGH>;
};
/* Colibri SPI */
&lpspi2 {
pinctrl-names = "default";
@ -454,7 +473,15 @@ &mu1_m0 {
/* TODO MIPI DSI with DSI-to-HDMI bridge lt8912 */
/* TODO on-module PCIe for Wi-Fi */
/* On-module PCIe for Wi-Fi */
&pcieb {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pcieb>;
phys = <&hsio_phy 0 PHY_TYPE_PCIE 0>;
phy-names = "pcie-phy";
reset-gpios = <&lsio_gpio4 0 GPIO_ACTIVE_LOW>;
status = "okay";
};
/* On-module I2S */
&sai0 {