On the RK3399-Q7, we need to turn on the on-module USB hub before using the
USB host interfaces (only the OTG interface is directly connected to the edge
connector). This drops the deprecated 'rockchip,vbus-gpio' property and uses
a fixed regulator to turn on the USB hub.
References: 26a8b80 "usb: host: xhci-rockchip: use fixed regulator to control
vbus"
Signed-off-by: Philipp Tomsich <philipp.toms...@theobroma-systems.com>
---
arch/arm/dts/rk3399-puma.dtsi | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/arch/arm/dts/rk3399-puma.dtsi b/arch/arm/dts/rk3399-puma.dtsi
index 85e00ec..3899b2a 100644
--- a/arch/arm/dts/rk3399-puma.dtsi
+++ b/arch/arm/dts/rk3399-puma.dtsi
@@ -108,6 +108,17 @@
regulator-max-microvolt = <1800000>;
};
+ usbhub_enable: usbhub_enable {
+ compatible = "regulator-fixed";
+ regulator-name = "usbhub_enable";
+ enable-active-low;
+ gpio = <&gpio4 3 GPIO_ACTIVE_HIGH>;
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
vccadc_ref: vccadc-ref {
compatible = "regulator-fixed";
regulator-name = "vcc1v8_sys";
@@ -533,7 +544,6 @@
};
&dwc3_typec1 {
- rockchip,vbus-gpio = <&gpio4 3 GPIO_ACTIVE_LOW>;
status = "okay";
};
--
2.1.4
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