Re: [PATCH v3] arm64: dts: qcom: lemans-evk: Add OTG support for primary USB controller
From: Krishna Kurapati PSSNV
Date: Mon Oct 27 2025 - 07:21:34 EST
On 10/27/2025 2:06 PM, Konrad Dybcio wrote:
On 10/24/25 8:21 PM, Krishna Kurapati wrote:
Enable OTG support for primary USB controller on EVK Platform. Add
HD3SS3220 Type-C port controller present between Type-C port and SoC
that provides role switch notifications to controller.
Signed-off-by: Krishna Kurapati <krishna.kurapati@xxxxxxxxxxxxxxxx>
---
Changes in v3:
- Moved "usb-role-switch" to lemans dtsi file
- Moved vbus supply to connector node
Link to v3 bindings and driver support:
https://lore.kernel.org/all/20251024181832.2744502-1-krishna.kurapati@xxxxxxxxxxxxxxxx/
Link to v2:
https://lore.kernel.org/all/20251008180036.1770735-1-krishna.kurapati@xxxxxxxxxxxxxxxx/
arch/arm64/boot/dts/qcom/lemans-evk.dts | 122 +++++++++++++++++++++++-
arch/arm64/boot/dts/qcom/lemans.dtsi | 1 +
2 files changed, 121 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/lemans-evk.dts b/arch/arm64/boot/dts/qcom/lemans-evk.dts
index c7dc9b8f4457..2baad2612b16 100644
--- a/arch/arm64/boot/dts/qcom/lemans-evk.dts
+++ b/arch/arm64/boot/dts/qcom/lemans-evk.dts
@@ -37,6 +37,35 @@ chosen {
stdout-path = "serial0:115200n8";
};
+ connector0 {
"connector-0"
[...]
ACK.
+ vbus_supply_regulator_0: vbus-supply-regulator-0 {
Other regulators (as can be seen in the diff context below) are
named regulator-xyz-abc, please follow
ACK.
+ compatible = "regulator-fixed";
+ regulator-name = "vbus_supply_0";
+ gpio = <&expander1 2 GPIO_ACTIVE_HIGH>;
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ enable-active-high;
+ };
+
vmmc_sdc: regulator-vmmc-sdc {
compatible = "regulator-fixed";
[...]
&usb_0 {
- dr_mode = "peripheral";
-
status = "okay";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ usb3_hs_ep: endpoint {
Please define these ports in the SoC DTSI and plumb them through &labels
in this one
ACK.
Will update in v4.
Regards,
Krishna,