| Kconfig (5e2aa2ed08e2e280121dc7cf5609c87d464f12ef) | Kconfig (9bd0181c74527dbfd3a63ffef412b5d1c660d7e4) |
|---|---|
| 1# 2# USB Core configuration 3# 4config USB_ANNOUNCE_NEW_DEVICES 5 bool "USB announce new devices" 6 help 7 Say Y here if you want the USB core to always announce the 8 idVendor, idProduct, Manufacturer, Product, and SerialNumber --- 42 unchanged lines hidden (view full) --- 51 or a host. The initial role is decided by the type of 52 plug inserted and can be changed later when two dual 53 role devices talk to each other. 54 55 Select this only if your board has Mini-AB/Micro-AB 56 connector. 57 58config USB_OTG_WHITELIST | 1# 2# USB Core configuration 3# 4config USB_ANNOUNCE_NEW_DEVICES 5 bool "USB announce new devices" 6 help 7 Say Y here if you want the USB core to always announce the 8 idVendor, idProduct, Manufacturer, Product, and SerialNumber --- 42 unchanged lines hidden (view full) --- 51 or a host. The initial role is decided by the type of 52 plug inserted and can be changed later when two dual 53 role devices talk to each other. 54 55 Select this only if your board has Mini-AB/Micro-AB 56 connector. 57 58config USB_OTG_WHITELIST |
| 59 bool "Rely on OTG Targeted Peripherals List" 60 depends on USB_OTG || EXPERT 61 default y if USB_OTG | 59 bool "Rely on OTG and EH Targeted Peripherals List" 60 depends on USB |
| 62 help 63 If you say Y here, the "otg_whitelist.h" file will be used as a 64 product whitelist, so USB peripherals not listed there will be 65 rejected during enumeration. This behavior is required by the | 61 help 62 If you say Y here, the "otg_whitelist.h" file will be used as a 63 product whitelist, so USB peripherals not listed there will be 64 rejected during enumeration. This behavior is required by the |
| 66 USB OTG specification for all devices not on your product's | 65 USB OTG and EH specification for all devices not on your product's |
| 67 "Targeted Peripherals List". "Embedded Hosts" are likewise 68 allowed to support only a limited number of peripherals. 69 | 66 "Targeted Peripherals List". "Embedded Hosts" are likewise 67 allowed to support only a limited number of peripherals. 68 |
| 70 Otherwise, peripherals not listed there will only generate a 71 warning and enumeration will continue. That's more like what 72 normal Linux-USB hosts do (other than the warning), and is 73 convenient for many stages of product development. 74 | |
| 75config USB_OTG_BLACKLIST_HUB 76 bool "Disable external hubs" 77 depends on USB_OTG || EXPERT 78 help 79 If you say Y here, then Linux will refuse to enumerate 80 external hubs. OTG hosts are allowed to reduce hardware 81 and software costs by not supporting external hubs. So 82 are "Embedded Hosts" that don't offer OTG support. 83 84config USB_OTG_FSM 85 tristate "USB 2.0 OTG FSM implementation" 86 depends on USB 87 select USB_OTG 88 select USB_PHY 89 help 90 Implements OTG Finite State Machine as specified in On-The-Go 91 and Embedded Host Supplement to the USB Revision 2.0 Specification. 92 | 69config USB_OTG_BLACKLIST_HUB 70 bool "Disable external hubs" 71 depends on USB_OTG || EXPERT 72 help 73 If you say Y here, then Linux will refuse to enumerate 74 external hubs. OTG hosts are allowed to reduce hardware 75 and software costs by not supporting external hubs. So 76 are "Embedded Hosts" that don't offer OTG support. 77 78config USB_OTG_FSM 79 tristate "USB 2.0 OTG FSM implementation" 80 depends on USB 81 select USB_OTG 82 select USB_PHY 83 help 84 Implements OTG Finite State Machine as specified in On-The-Go 85 and Embedded Host Supplement to the USB Revision 2.0 Specification. 86 |