[PATCH] arm64: dts: imx8mp-evk: add dual-role usb port1 support

From: Marco Felsch
Date: Thu Mar 23 2023 - 07:00:09 EST


The i.MX8MP-EVK has a dual-role usb-type-c port marked as PORT1. By this
commit the dual-role support is added which allows the user-space to
assign usb-gadget functions to it via the configFS.

Signed-off-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 59 ++++++++++++++++++++
1 file changed, 59 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
index f2d93437084be..982fe35f09a7e 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
@@ -5,7 +5,9 @@

/dts-v1/;

+#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/phy/phy-imx8-pcie.h>
+#include <dt-bindings/usb/pd.h>
#include "imx8mp.dtsi"

/ {
@@ -336,6 +338,34 @@ &i2c2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c2>;
status = "okay";
+
+ tcpc@50 {
+ compatible = "nxp,ptn5110";
+ reg = <0x50>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_tcpc>;
+ interrupt-parent = <&gpio4>;
+ interrupts = <19 IRQ_TYPE_LEVEL_LOW>;
+
+ connector {
+ compatible = "usb-c-connector";
+ label = "USB-C";
+ power-role = "dual";
+ data-role = "dual";
+ try-power-role = "sink";
+ source-pdos = <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)>;
+ sink-pdos = <PDO_FIXED(5000, 3000, PDO_FIXED_USB_COMM)
+ PDO_VAR(5000, 20000, 3000)>;
+ op-sink-microwatt = <15000000>;
+ self-powered;
+ };
+
+ port {
+ usb_con_ss: endpoint {
+ remote-endpoint = <&usb_dwc3_0_drd>;
+ };
+ };
+ };
};

&i2c3 {
@@ -449,14 +479,37 @@ &uart2 {
status = "okay";
};

+&usb3_phy0 {
+ status = "okay";
+};
+
&usb3_phy1 {
status = "okay";
};

+&usb3_0 {
+ status = "okay";
+};
+
&usb3_1 {
status = "okay";
};

+&usb_dwc3_0 {
+ dr_mode = "otg";
+ hnp-disable;
+ srp-disable;
+ adp-disable;
+ usb-role-switch;
+ status = "okay";
+
+ port {
+ usb_dwc3_0_drd: endpoint {
+ remote-endpoint = <&usb_con_ss>;
+ };
+ };
+};
+
&usb_dwc3_1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb1_vbus>;
@@ -666,6 +719,12 @@ MX8MP_IOMUXC_SD2_RESET_B__GPIO2_IO19 0x40
>;
};

+ pinctrl_tcpc: tcpcgrp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SAI1_TXD7__GPIO4_IO19 0x159
+ >;
+ };
+
pinctrl_uart1: uart1grp {
fsl,pins = <
MX8MP_IOMUXC_UART1_RXD__UART1_DCE_RX 0x140
--
2.30.2