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/Documentation/ABI/testing/
Dsysfs-class-usb_role5 Place in sysfs for USB Role Switches. USB Role Switch is a
6 device that can select the data role (host or device) for USB
9 What: /sys/class/usb_role/<switch>/role
13 The current role of the switch. This attribute can be used for
14 requesting role swapping with non-USB Type-C ports. With USB
Dsysfs-platform-chipidea-usb21 What: /sys/bus/platform/devices/ci_hdrc.0/role
6 the current controller role.
8 It will do role switch when "gadget" or "host" is written to it.
9 Only controller at dual-role configuration supports writing.
Dsysfs-class-typec8 requesting data role swapping on the port. Swapping is supported
11 notified about role changes so that poll(2) on the attribute
12 wakes up. Change on the role will also generate uevent
13 KOBJ_CHANGE on the port. The current role is show in brackets,
23 power role swap on the port. Swapping is supported as
26 notified about role changes so that poll(2) on the attribute
27 wakes up. Change on the role will also generate uevent
28 KOBJ_CHANGE. The current role is show in brackets, for example
47 dual (The port will behave as dual-role-data and
48 dual-role-power port)
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Dsysfs-platform-phy-rcar-gen3-usb21 What: /sys/devices/platform/<phy-name>/role
7 The file can show/change the phy mode for role swap of usb.
/Documentation/devicetree/bindings/usb/
Dmediatek,mtu3.yaml104 Regulator of USB VBUS5v, needed when supports dual-role mode.
132 when supports dual-role mode.
134 new bindings, and use "usb-role-switch" property instead.
136 usb-role-switch:
138 description: Support role switch.
141 role-switch-default-mode:
148 Connector for dual role switch, especially for "gpio-usb-b-connector"
154 using the OF graph bindings specified, if the "usb-role-switch"
161 supports manual dual-role switch via debugfs; usually used when
162 receptacle is TYPE-A and also wants to support dual-role mode.
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Dusb-drd.yaml25 Tells Dual-Role USB controllers that we want to work on a particular
51 usb-role-switch:
53 Indicates that the device is capable of assigning the USB data role
57 role-switch-default-mode:
59 Indicates if usb-role-switch is enabled, the device default operation
60 mode of controller while usb role is USB_ROLE_NONE.
Dmediatek,musb.yaml50 usb-role-switch:
52 description: Support role switch. See usb/generic.txt
67 description: Connector for dual role switch
71 usb-role-switch: [ connector ]
72 connector: [ usb-role-switch ]
106 usb-role-switch;
Dwillsemi,wusb3801.yaml11 supports role and plug orientation detection using the CC pins. It is
69 power-role = "dual";
70 try-power-role = "sink";
71 data-role = "dual";
Dst,stusb160x.yaml31 source or dual power role
42 power-role: true
74 power-role = "dual";
75 data-role = "dual";
Drichtek,rt1711h.txt24 data-role = "dual";
25 power-role = "dual";
26 try-power-role = "sink";
Danalogix,anx7411.yaml53 power-role = "dual";
54 data-role = "dual";
55 try-power-role = "source";
Drichtek,rt1711h.yaml25 RT1711H support PD20, RT1715 support PD30 except Fast Role Swap.
67 data-role = "dual";
68 power-role = "dual";
69 try-power-role = "sink";
Ddwc2.yaml141 usb-role-switch: true
143 role-switch-default-mode: true
170 using the OF graph bindings specified, if the "usb-role-switch"
181 port: [ usb-role-switch ]
182 role-switch-default-mode: [ usb-role-switch ]
Dnxp,ptn5110.yaml54 data-role = "dual";
55 power-role = "dual";
56 try-power-role = "sink";
Dmaxim,max33359.yaml56 data-role = "dual";
57 power-role = "dual";
58 try-power-role = "sink";
Drealtek,rtd-dwc3.yaml15 and USB 3.0 in host or dual-role mode.
73 usb-role-switch;
74 role-switch-default-mode = "host";
/Documentation/devicetree/bindings/connector/
Dusb-connector.yaml65 mode or dual role mode is supported.
69 power-role:
70 description: Determines the power role that the Type C connector will
71 support. "dual" refers to Dual Role Port (DRP).
79 try-power-role:
80 description: Preferred power role.
88 data-role:
89 description: Data role if Type C connector supports USB data. "dual" refers
90 Dual Role Device (DRD).
215 is applied during PD3.0 Fast Role Swap. "Table 6-14 Fixed Supply PDO - Sink"
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/Documentation/devicetree/bindings/platform/
Dlenovo,yoga-c630-ec.yaml71 power-role = "source";
72 data-role = "host";
78 power-role = "source";
79 data-role = "host";
/Documentation/virt/kvm/x86/
Dmmu.rst151 role.level:
154 role.direct:
159 by role.level (2MB for first level, 1GB for second level, 0.5TB for third
163 role.quadrant:
164 When role.has_4_byte_gpte=1, the guest uses 32-bit gptes while the host uses 64-bit
167 For first-level shadow pages, role.quadrant can be 0 or 1 and denotes the
171 shadow pages) so role.quadrant takes values in the range 0..3. Each
173 role.access:
176 role.invalid:
180 role.has_4_byte_gpte:
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/Documentation/gpu/amdgpu/display/
Ddcn3_cm_drm_current.svg679 sodipodi:role="line"
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Ddcn2_cm_drm_current.svg618 sodipodi:role="line"
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/Documentation/devicetree/bindings/chrome/
Dgoogle,cros-ec-typec.yaml60 power-role = "dual";
61 data-role = "dual";
62 try-power-role = "source";
/Documentation/RCU/Design/Requirements/
DReadersPartitionGP1.svg140 sodipodi:role="line">synchronize_rcu()</tspan></text>
171 sodipodi:role="line"
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DGPpartitionReaders1.svg112 sodipodi:role="line">synchronize_rcu()</tspan></text>
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/Documentation/devicetree/bindings/extcon/
Dextcon-max3355.txt5 integrated USB OTG dual-role transceiver to function as a USB OTG dual-role

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