- mediatek,mt2712-mtu3
- mediatek,mt8173-mtu3
- mediatek,mt8183-mtu3
+ - mediatek,mt8192-mtu3
- const: mediatek,mtu3
reg:
- const: ippc
interrupts:
- maxItems: 1
+ description:
+ use "interrupts-extended" when the interrupts are connected to the
+ separate interrupt controllers
+ minItems: 1
+ items:
+ - description: SSUSB device controller interrupt
+ - description: optional, wakeup interrupt used to support runtime PM
+
+ interrupt-names:
+ items:
+ - const: device
+ - const: wakeup
power-domains:
description: A phandle to USB power domain node to control USB's MTCMOS
extcon:
deprecated: true
description: |
- Phandle to the extcon device detecting the IDDIG/VBUS state, neede
+ Phandle to the extcon device detecting the IDDIG state, needed
when supports dual-role mode.
It's considered valid for compatibility reasons, not allowed for
new bindings, and use "usb-role-switch" property instead.
description: Support role switch.
type: boolean
+ role-switch-default-mode:
+ enum: [host, peripheral]
+ default: host
+
connector:
$ref: /connector/usb-connector.yaml#
description:
Any connector to the data bus of this controller should be modelled
using the OF graph bindings specified, if the "usb-role-switch"
property is used. See graph.txt
- type: object
+ $ref: /schemas/graph.yaml#/properties/port
enable-manual-drd:
$ref: /schemas/types.yaml#/definitions/flag
- description:
The second cell represents the register base address of the glue
layer in syscon
- - description:
+ - description: |
The third cell represents the hardware version of the glue layer,
- 1 is used by mt8173 etc, 2 is used by mt2712 etc
- enum: [1, 2]
+ 1 - used by mt8173 etc, revision 1 without following IPM rule;
+ 2 - used by mt2712 etc, revision 2 with following IPM rule;
+ 101 - used by mt8183, specific 1.01;
+ 102 - used by mt8192, specific 1.02;
+ enum: [1, 2, 101, 102]
mediatek,u3p-dis-msk:
$ref: /schemas/types.yaml#/definitions/uint32
description: The mask to disable u3ports, bit0 for u3port0,
bit1 for u3port1, ... etc
+ mediatek,u2p-dis-msk:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: The mask to disable u2ports, bit0 for u2port0,
+ bit1 for u2port1, ... etc; but can't disable u2port0 if dual role mode
+ is enabled, so will be skipped in this case.
+
# Required child node when support dual-role
patternProperties:
"^usb@[0-9a-f]+$":
dependencies:
connector: [ 'usb-role-switch' ]
port: [ 'usb-role-switch' ]
+ role-switch-default-mode: [ 'usb-role-switch' ]
wakeup-source: [ 'mediatek,syscon-wakeup' ]
required:
};
};
- # Enable/disable device by an input gpio for VBUS pin
+ # Dual role switch by gpio-usb-b-connector
- |
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/power/mt2712-power.h>
power-domains = <&scpsys MT2712_POWER_DOMAIN_USB2>;
clocks = <&topckgen CLK_TOP_USB30_SEL>;
clock-names = "sys_ck";
- dr_mode = "peripheral";
+ dr_mode = "otg";
usb-role-switch;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ host0: usb@11270000 {
+ compatible = "mediatek,mt2712-xhci", "mediatek,mtk-xhci";
+ reg = <0x11270000 0x1000>;
+ reg-names = "mac";
+ interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_LOW>;
+ power-domains = <&scpsys MT2712_POWER_DOMAIN_USB>;
+ clocks = <&topckgen CLK_TOP_USB30_SEL>, <&clk26m>;
+ clock-names = "sys_ck", "ref_ck";
+ };
connector {
compatible = "gpio-usb-b-connector", "usb-b-connector";
type = "micro";
- vbus-gpios = <&pio 13 GPIO_ACTIVE_HIGH>;
+ id-gpios = <&pio 12 GPIO_ACTIVE_HIGH>;
+ vbus-supply = <&usb_p0_vbus>;
};
};
wakeup-source;
dr_mode = "otg";
usb-role-switch;
+ role-switch-default-mode = "host";
#address-cells = <1>;
#size-cells = <1>;
ranges;