net: wwan: t7xx: Add core components

Registers the t7xx device driver with the kernel. Setup all the core
components: PCIe layer, Modem Host Cross Core Interface (MHCCIF),
modem control operations, modem state machine, and build
infrastructure.

* PCIe layer code implements driver probe and removal.
* MHCCIF provides interrupt channels to communicate events
  such as handshake, PM and port enumeration.
* Modem control implements the entry point for modem init,
  reset and exit.
* The modem status monitor is a state machine used by modem control
  to complete initialization and stop. It is used also to propagate
  exception events reported by other components.

Signed-off-by: Haijun Liu <haijun.liu@mediatek.com>
Signed-off-by: Chandrashekar Devegowda <chandrashekar.devegowda@intel.com>
Co-developed-by: Ricardo Martinez <ricardo.martinez@linux.intel.com>
Signed-off-by: Ricardo Martinez <ricardo.martinez@linux.intel.com>
Reviewed-by: Loic Poulain <loic.poulain@linaro.org>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 14 insertions, 0 deletions

diff --git a/drivers/net/wwan/Kconfig b/drivers/net/wwan/Kconfig
index 609fd4a2c865..3486ffe94ac4 100644
--- a/drivers/net/wwan/Kconfig
+++ b/drivers/net/wwan/Kconfig
@@ -105,6 +105,20 @@ config IOSM
 
 	  If unsure, say N.
 
+config MTK_T7XX
+	tristate "MediaTek PCIe 5G WWAN modem T7xx device"
+	depends on PCI
+	help
+	  Enables MediaTek PCIe based 5G WWAN modem (T7xx series) device.
+	  Adapts WWAN framework and provides network interface like wwan0
+	  and tty interfaces like wwan0at0 (AT protocol), wwan0mbim0
+	  (MBIM protocol), etc.
+
+	  To compile this driver as a module, choose M here: the module will be
+	  called mtk_t7xx.
+
+	  If unsure, say N.
+
 endif # WWAN
 
 endmenu