[PATCH v5 15/24] ARM: tegra: Add usb-role-switch property to USB OTG ports

Dmitry Osipenko
2021-12-08T17:38:45Z

From: Stefan Eichenberger <stefan.eichenberger@toradex.com>

If an USB port is an OTG port, then we should add the usb-role-switch
property. Otherwise XUSB setup fails and therefore padctl is unable to
set up the ports. This leads to broken USB and PCIe ports. Add the
usb-role-switch properties to Tegra124 device-trees to fix the problem.

The error message shown without this patch is e.g:
usb2-0: usb-role-switch not found for otg mode

[digetx@gmail.com: improved commit message]
Tested-by: Thomas Graichen <thomas.graichen@gmail.com> # T124 Nyan Big
Signed-off-by: Stefan Eichenberger <stefan.eichenberger@toradex.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
arch/arm/boot/dts/tegra124-apalis-v1.2.dtsi | 1 +
arch/arm/boot/dts/tegra124-apalis.dtsi | 1 +
arch/arm/boot/dts/tegra124-nyan.dtsi | 1 +
arch/arm/boot/dts/tegra124-venice2.dts | 2 +-
4 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/tegra124-apalis-v1.2.dtsi b/arch/arm/boot/dts/tegra124-apalis-v1.2.dtsi
index cde9ae8fa04b..b9198f842a34 100644
--- a/arch/arm/boot/dts/tegra124-apalis-v1.2.dtsi
+++ b/arch/arm/boot/dts/tegra124-apalis-v1.2.dtsi
@@ -1885,6 +1885,7 @@ ports {
usb2-0 {
status = "okay";
mode = "otg";
+ usb-role-switch;
vbus-supply = <&reg_usbo1_vbus>;
};

diff --git a/arch/arm/boot/dts/tegra124-apalis.dtsi b/arch/arm/boot/dts/tegra124-apalis.dtsi
index a46d9ba9bb7a..1a996fb78ee2 100644
--- a/arch/arm/boot/dts/tegra124-apalis.dtsi
+++ b/arch/arm/boot/dts/tegra124-apalis.dtsi
@@ -1877,6 +1877,7 @@ ports {
usb2-0 {
status = "okay";
mode = "otg";
+ usb-role-switch;
vbus-supply = <&reg_usbo1_vbus>;
};

diff --git a/arch/arm/boot/dts/tegra124-nyan.dtsi b/arch/arm/boot/dts/tegra124-nyan.dtsi
index 63a81270300a..93a40a84b792 100644
--- a/arch/arm/boot/dts/tegra124-nyan.dtsi
+++ b/arch/arm/boot/dts/tegra124-nyan.dtsi
@@ -466,6 +466,7 @@ usb2-0 {
vbus-supply = <&vdd_usb1_vbus>;
status = "okay";
mode = "otg";
+ usb-role-switch;
};

usb2-1 {
diff --git a/arch/arm/boot/dts/tegra124-venice2.dts b/arch/arm/boot/dts/tegra124-venice2.dts
index e6b54ac1ebd1..de8c18e6b7e6 100644
--- a/arch/arm/boot/dts/tegra124-venice2.dts
+++ b/arch/arm/boot/dts/tegra124-venice2.dts
@@ -972,7 +972,7 @@ ports {
usb2-0 {
status = "okay";
mode = "otg";
-
+ usb-role-switch;
vbus-supply = <&vdd_usb1_vbus>;
};

--
2.33.1