Messages in this thread Patch in this message | | | From | Dmitry Osipenko <> | Subject | [PATCH v4 15/24] ARM: tegra: Add usb-role-switch property to USB OTG ports | Date | Wed, 1 Dec 2021 01:38:11 +0300 |
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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 = <®_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 = <®_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
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