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Commit 15dec71f authored by Sujeev Dias's avatar Sujeev Dias
Browse files

mhi_bus: dev: netdev: add network interface driver 



MHI based net device driver is used for transferring IP
traffic between host and modem. Driver allows clients to
transfer data using standard network interface.

CRs-Fixed: 2204910
Change-Id: I47d43c63edb6ef2bd28d4c8c9692326195b4f9a4
Signed-off-by: default avatarSujeev Dias <sdias@codeaurora.org>
parent c5975e02

Documentation/devicetree/bindings/bus/mhi.txt

+36 −0
Original line number Diff line number Diff line
@@ -134,3 +134,39 @@ mhi_controller { 
		<driver specific properties>

	};

};



================

Children Devices

================



MHI netdev properties



- mhi,chan

  Usage: required

  Value type: <string>

  Definition: Channel name MHI netdev support



- mhi,mru

  Usage: required

  Value type: <u32>

  Definition: Largest packet size interface can receive in bytes.



- mhi,interface-name

  Usage: optional

  Value type: <string>

  Definition: Interface name to be given so clients can identify it



- mhi,recycle-buf

  Usage: optional

  Value type: <bool>

  Definition: Set true if interface support recycling buffers.



========

Example:

========



mhi_rmnet@0 {

	mhi,chan = "IP_HW0";

	mhi,interface-name = "rmnet_mhi";

	mhi,mru = <0x4000>;

};

drivers/bus/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -202,5 +202,6 @@ config MHI_DEBUG 
	   will be logged.



source drivers/bus/mhi/controllers/Kconfig

source drivers/bus/mhi/devices/Kconfig



endmenu

drivers/bus/mhi/Makefile

+1 −1
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@@ -5,4 +5,4 @@ 
# core layer

obj-y += core/

obj-y += controllers/

#obj-y += devices/
 
obj-y += devices/

drivers/bus/mhi/devices/Kconfig

0 → 100644
+10 −0
Original line number Diff line number Diff line 
menu "MHI device support"



config MHI_NETDEV

       tristate "MHI NETDEV"

       depends on MHI_BUS

       help

	  MHI based net device driver for transferring IP traffic

	  between host and modem. By enabling this driver, clients

	  can transfer data using standard network interface.

endmenu

drivers/bus/mhi/devices/Makefile

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+1 −0
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obj-$(CONFIG_MHI_NETDEV) +=mhi_netdev.o