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Commit 0c3d931b authored by Lubomir Rintel's avatar Lubomir Rintel Committed by Andy Shevchenko
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Platform: OLPC: Add XO-1.75 EC driver 



It's based off the driver from the OLPC kernel sources. Somewhat
modernized and cleaned up, for better or worse.

Modified to plug into the olpc-ec driver infrastructure (so that battery
interface and debugfs could be reused) and the SPI slave framework.

Signed-off-by: default avatarLubomir Rintel <lkundrak@v3.sk>
Reviewed-by: default avatarAndy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
parent 8097548f

arch/x86/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -2698,6 +2698,7 @@ config OLPC 
	select OF

	select OF_PROMTREE

	select IRQ_DOMAIN

	select OLPC_EC

	---help---

	  Add support for detecting the unique features of the OLPC

	  XO hardware.

drivers/platform/Kconfig

+2 −0
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@@ -10,3 +10,5 @@ source "drivers/platform/goldfish/Kconfig" 
source "drivers/platform/chrome/Kconfig"



source "drivers/platform/mellanox/Kconfig"



source "drivers/platform/olpc/Kconfig"

drivers/platform/Makefile

+1 −1
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@@ -6,6 +6,6 @@ 
obj-$(CONFIG_X86)		+= x86/

obj-$(CONFIG_MELLANOX_PLATFORM)	+= mellanox/

obj-$(CONFIG_MIPS)		+= mips/

obj-$(CONFIG_OLPC)		+= olpc/

obj-$(CONFIG_OLPC_EC)		+= olpc/

obj-$(CONFIG_GOLDFISH)		+= goldfish/

obj-$(CONFIG_CHROME_PLATFORMS)	+= chrome/

drivers/platform/olpc/Kconfig

0 → 100644
+14 −0
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config OLPC_EC

	bool



config OLPC_XO175_EC

	tristate "OLPC XO 1.75 Embedded Controller"

	depends on ARCH_MMP || COMPILE_TEST

	select SPI_SLAVE

	select OLPC_EC

	help

	  Include support for the OLPC XO Embedded Controller (EC). The EC

	  provides various platform services, including support for the power,

	  button, restart, shutdown and battery charging status.



	  Unless you have an OLPC XO laptop, you will want to say N.

drivers/platform/olpc/Makefile

+2 −1
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#

# OLPC XO platform-specific drivers

#

obj-$(CONFIG_OLPC)		+= olpc-ec.o
 
obj-$(CONFIG_OLPC_EC)		+= olpc-ec.o

obj-$(CONFIG_OLPC_XO175_EC)	+= olpc-xo175-ec.o