diff options
Diffstat (limited to 'zephyr/Kconfig.usbc')
| -rw-r--r-- | zephyr/Kconfig.usbc | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/zephyr/Kconfig.usbc b/zephyr/Kconfig.usbc index 1aa8d7e53d..eed862def4 100644 --- a/zephyr/Kconfig.usbc +++ b/zephyr/Kconfig.usbc @@ -64,6 +64,44 @@ config PLATFORM_EC_USB_PID To reserve a new PID within Google, use go/usb and see http://google3/hardware/standards/usb +config PLATFORM_EC_USBC_RETIMER_INTEL_BB + bool "Support Intel Burnside Bridge retimer" + help + Enable this to support the Intel Burnside Bridge Thunderbolt / USB / + DisplayPort retimer. This is present on some Intel SoCs. + + Intel Burnside Bridge is a Type-C multi-protocol retimer to be used + in on-board applications. Burnside Bridge offers the ability to latch + protocol signals into on-chip memory before retransmitting them + onwards. It can be used to extend the physical length of the system + without increasing high-frequency jitter. + + Burnside Bridge supports spec compliant retimer of following + protocols: + + - Display Port: four unidirectional DP lanes + - USB3.1 Gen1/2: one bi-directional USB lane + - Thunderbolt: two bi-directional CIO lanes + - Multifunction Display (MFD): two unidirectional lanes of DP and + one bidirectional lane of USB3.1 Gen1/2 + +config PLATFORM_EC_USBC_RETIMER_INTEL_BB_RUNTIME_CONFIG + bool "Use runtime configuration of Intel Burnside Bridge" + depends on PLATFORM_EC_USBC_RETIMER_INTEL_BB + default y + help + Enable this to allow run-time configuration of the Burnside Bridge + driver structure. This makes the bb_controls[] array writable, i.e. + not const. It should be declared as such in the board config. + + This is useful when the board has runtime information that changes + the configuration, such as Chromium OS Board Info (CBI set in the + factory. Without this, multiple EC images would need to be installed + depending on the board. + + This is also an entry in the competition for the lonest Kconfig + option. The abreviation BB is clearly a missed opportunity. + menuconfig PLATFORM_EC_USB_POWER_DELIVERY bool "USB Type-C Power Delivery (PD)" default y @@ -401,6 +439,24 @@ config PLATFORM_EC_USB_MUX_RUNTIME_CONFIG factory. Without this, multiple EC images would need to be installed depending on the board. +config PLATFORM_EC_USBC_SS_MUX + bool "SuperSpeed mux" + default y + help + Enable this to support the USB Type-C SuperSpeed Mux. If enabled, + the USB stack will call usb_mux_set() to change the mux settings. + The board must provide a driver in usb_muxes[] for each port so + that this can work. + +config PLATFORM_EC_USB_MUX_VIRTUAL + bool "USB Mux is virtual" + depends on PLATFORM_EC_USBC_SS_MUX + help + Enable this if a virtual USB mux is supported on the EC, which is + actually handled by the AP. In this case the AP gets an interrupt + and is is informed when status changes, via the + EC_CMD_USB_PD_MUX_INFO host command. + endif # PLATFORM_EC_USB_MUX config PLATFORM_EC_CONSOLE_CMD_PPC_DUMP |