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Commit 3d66ac7d authored by Maxime Ripard's avatar Maxime Ripard Committed by Wolfram Sang
Browse files

i2c: mv64xxx: Add Allwinner sun4i compatible 



Add the compatible string for the Allwinner A10 i2c controller and the
associated register layout.

Signed-off-by: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
Tested-by: default avatarSebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Tested-by: default avatarAndrew Lunn <andrew@lunn.ch>
Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
parent 004e8ed7

drivers/i2c/busses/Kconfig

+2 −1
Original line number Diff line number Diff line
@@ -497,10 +497,11 @@ config I2C_MPC 


config I2C_MV64XXX

	tristate "Marvell mv64xxx I2C Controller"

	depends on (MV64X60 || PLAT_ORION)

	depends on (MV64X60 || PLAT_ORION || ARCH_SUNXI)

	help

	  If you say yes to this option, support will be included for the

	  built-in I2C interface on the Marvell 64xxx line of host bridges.

	  This driver is also used for Allwinner SoCs I2C controllers.



	  This driver can also be built as a module.  If so, the module

	  will be called i2c-mv64xxx.

drivers/i2c/busses/i2c-mv64xxx.c

+11 −0
Original line number Diff line number Diff line
@@ -129,6 +129,16 @@ static struct mv64xxx_i2c_regs mv64xxx_i2c_regs_mv64xxx = { 
	.soft_reset	= 0x1c,

};



static struct mv64xxx_i2c_regs mv64xxx_i2c_regs_sun4i = {

	.addr		= 0x00,

	.ext_addr	= 0x04,

	.data		= 0x08,

	.control	= 0x0c,

	.status		= 0x10,

	.clock		= 0x14,

	.soft_reset	= 0x18,

};



static void

mv64xxx_i2c_prepare_for_io(struct mv64xxx_i2c_data *drv_data,

	struct i2c_msg *msg)
@@ -509,6 +519,7 @@ static const struct i2c_algorithm mv64xxx_i2c_algo = { 
 *****************************************************************************

 */

static const struct of_device_id mv64xxx_i2c_of_match_table[] = {

	{ .compatible = "allwinner,sun4i-i2c", .data = &mv64xxx_i2c_regs_sun4i},

	{ .compatible = "marvell,mv64xxx-i2c", .data = &mv64xxx_i2c_regs_mv64xxx},

	{}

};