w1: add 1-wire (w1) DS2408 8-Channel Addressable Switch support

This DS2408 w1 slave driver is not complete for all the features of the chip, but its sufficient if you use it as a simple IO expander. [[email protected]: fix w1_ds2408.c printk formats] Signed-off-by: Jean-François Dagenais <[email protected]> Cc: Evgeniy Polyakov <[email protected]> Cc: Szabolcs Gyurko <[email protected]> Cc: Matt Reimer <[email protected]> Signed-off-by: Randy Dunlap <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
powerwareeasyman · May 27, 2011 · 8961027 · 8961027
1 parent 67dfd54
commit 8961027
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diff --git a/drivers/w1/slaves/Kconfig b/drivers/w1/slaves/Kconfig
@@ -16,6 +16,13 @@ config W1_SLAVE_SMEM
 	  Say Y here if you want to connect 1-wire
 	  simple 64bit memory rom(ds2401/ds2411/ds1990*) to your wire.
 
+config W1_SLAVE_DS2408
+        tristate "8-Channel Addressable Switch (IO Expander) 0x29 family support (DS2408)"
+        help
+          Say Y here if you want to use a 1-wire
+
+		  DS2408 8-Channel Addressable Switch device support
+
 config W1_SLAVE_DS2423
 	tristate "Counter 1-wire device (DS2423)"
 	select CRC16

diff --git a/drivers/w1/slaves/Makefile b/drivers/w1/slaves/Makefile
@@ -4,6 +4,7 @@
 
 obj-$(CONFIG_W1_SLAVE_THERM)	+= w1_therm.o
 obj-$(CONFIG_W1_SLAVE_SMEM)	+= w1_smem.o
+obj-$(CONFIG_W1_SLAVE_DS2408)   += w1_ds2408.o
 obj-$(CONFIG_W1_SLAVE_DS2423)	+= w1_ds2423.o
 obj-$(CONFIG_W1_SLAVE_DS2431)	+= w1_ds2431.o
 obj-$(CONFIG_W1_SLAVE_DS2433)	+= w1_ds2433.o