Add the binding example for the USB3.1 Genesys Logic GL3523
integrates with USB 3.1 Gen 1 Super Speed and USB 2.0 High-Speed
hub.
Signed-off-by: Anand Moon <linux.amoon@xxxxxxxxx>
---
New patch.
---
.../bindings/usb/genesys,gl850g.yaml | 28 +++++++++++++++++--
1 file changed, 25 insertions(+), 3 deletions(-)
diff --git a/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml b/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml
index d0927f6768a4..2f6e0c870e1d 100644
--- a/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml
+++ b/Documentation/devicetree/bindings/usb/genesys,gl850g.yaml
@@ -22,29 +22,51 @@ properties:
reg: true
reset-gpios:
+ maxItems: 1
description: GPIO controlling the RESET# pin.
vdd-supply:
description:
the regulator that provides 3.3V core power to the hub.
+ peer-hub:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description:
+ phandle to the peer hub on the controller.
+
required:
- compatible
- reg
+ - reset-gpios
+ - vdd-supply
+ - peer-hub
additionalProperties: false
examples:
- |
#include <dt-bindings/gpio/gpio.h>
+
usb {
dr_mode = "host";
#address-cells = <1>;
#size-cells = <0>;
- hub: hub@1 {
- compatible = "usb5e3,608";
+ /* 2.0 hub on port 1 */
+ hub_2_0: hub@1 {
+ compatible = "usb5e3,610";
reg = <1>;
- reset-gpios = <&pio 7 2 GPIO_ACTIVE_LOW>;
+ vdd-supply = <&vcc_5v>;
+ peer-hub = <&hub_3_0>;
+ reset-gpios = <&gpio 20 GPIO_ACTIVE_LOW>;
+ };
+
+ /* 3.1 hub on port 4 */
+ hub_3_0: hub@2 {
+ compatible = "usb5e3,620";
+ reg = <2>;
+ vdd-supply = <&vcc_5v>;
+ peer-hub = <&hub_2_0>;
+ reset-gpios = <&gpio 20 GPIO_ACTIVE_LOW>;
};
};
--
2.42.0
