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Subject[PATCH v1 04/11] arm64: dts: amlogic: Used onboard usb hub reset on odroid n2
Date
On Odroid n2 previously use gpio-hog to reset the usb hub,
switch to used on-board usb hub reset to enable the usb hub
and enable power to hub.

Signed-off-by: Anand Moon <linux.amoon@gmail.com>
---
.../dts/amlogic/meson-g12b-odroid-n2.dtsi | 26 ++++++++++---------
1 file changed, 14 insertions(+), 12 deletions(-)

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
index 667d2b774924..e5ae885c4008 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
@@ -347,6 +347,20 @@ codec {
};
};
};
+
+ usb {
+ dr_mode = "host";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ hub: hub@1 {
+ /* Genesys Logic GL3523-QFN76 usb hub*/
+ compatible = "genesys,usb5e3,620";
+ reg = <1>;
+ vdd-supply = <&hub_5v>;
+ reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>;
+ };
+ };
};

&acodec {
@@ -535,18 +549,6 @@ &gpio {
"PIN_3", /* GPIOX_17 */
"PIN_5", /* GPIOX_18 */
"PIN_36"; /* GPIOX_19 */
- /*
- * WARNING: The USB Hub on the Odroid-N2 needs a reset signal
- * to be turned high in order to be detected by the USB Controller
- * This signal should be handled by a USB specific power sequence
- * in order to reset the Hub when USB bus is powered down.
- */
- hog-0 {
- gpio-hog;
- gpios = <GPIOH_4 GPIO_ACTIVE_HIGH>;
- output-high;
- line-name = "usb-hub-reset";
- };
};

&hdmi_tx {
--
2.38.1
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