Commit eef92962 authored by David S. Miller's avatar David S. Miller
Browse files

Merge branch 'cc2520' 



Varka Bhadram says:

====================
Driver for TI CC2520 Radio

changes since v6:
	- proper releasing of resources
	- changed pr_debug() to dev_dbg()
	- removed unwanted header file
	- changed is_tx type to bool

changes since v5:
	- added saddr and panc_changed functionality
	- rework on lqi field
	- improvements in checkings for reception
	- modification in debug messages

changes since v4:
	- feature to write into cc2520 RAM
	- added h/w address filtering

changes since v3:
	- drop the unused varible

changes since v2:
	- drop spi mode dt binding

changes since v1:
	- improvement in gpio setup
	- changed len pointer to len variable

changes for v1:
	- improvements in the locking mechanism in Tx and SFD ISR
	- proper checkings for GPIO pins
	- avoids the memory leak for priv
	- used devm_* API's
	- moved the code from header file to .c file
	- removed cc2520_unregister()
====================

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parents 47cc3b4f 1952e8e0

Documentation/devicetree/bindings/net/ieee802154/cc2520.txt

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*CC2520 IEEE 802.15.4 Compatible Radio*



Required properties:

	- compatible: 		should be "ti,cc2520"

	- spi-max-frequency:	maximal bus speed (8000000), should be set to 4000000 depends

				sync or async operation mode

	- reg:			the chipselect index

	- pinctrl-0: 		pin control group to be used for this controller.

	- pinctrl-names: 	must contain a "default" entry.

	- fifo-gpio:		GPIO spec for the FIFO pin

	- fifop-gpio:		GPIO spec for the FIFOP pin

	- sfd-gpio:		GPIO spec for the SFD pin

	- cca-gpio:		GPIO spec for the CCA pin

	- vreg-gpio:		GPIO spec for the VREG pin

	- reset-gpio:		GPIO spec for the RESET pin

Example:

	cc2520@0 {

		compatible = "ti,cc2520";

		reg = <0>;

		spi-max-frequency = <4000000>;

		pinctrl-names = "default";

		pinctrl-0 = <&cc2520_cape_pins>;

		fifo-gpio = <&gpio1 18 0>;

		fifop-gpio = <&gpio1 19 0>;

		sfd-gpio = <&gpio1 13 0>;

		cca-gpio = <&gpio1 16 0>;

		vreg-gpio = <&gpio0 31 0>;

		reset-gpio = <&gpio1 12 0>;

	};

drivers/net/ieee802154/Kconfig

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@@ -51,3 +51,14 @@ config IEEE802154_MRF24J40 


	  This driver can also be built as a module. To do so, say M here.

	  the module will be called 'mrf24j40'.



config IEEE802154_CC2520

	depends on IEEE802154_DRIVERS && MAC802154

	tristate "CC2520 transceiver driver"

	depends on SPI

	---help---

	  Say Y here to enable the CC2520 SPI 802.15.4 wireless

	  controller.



	  This driver can also be built as a module. To do so, say M here.

	  the module will be called 'cc2520'.

drivers/net/ieee802154/Makefile

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@@ -2,3 +2,4 @@ obj-$(CONFIG_IEEE802154_FAKEHARD) += fakehard.o 
obj-$(CONFIG_IEEE802154_FAKELB) += fakelb.o

obj-$(CONFIG_IEEE802154_AT86RF230) += at86rf230.o

obj-$(CONFIG_IEEE802154_MRF24J40) += mrf24j40.o

obj-$(CONFIG_IEEE802154_CC2520) += cc2520.o

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