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i2c: mv64xxx: Add Allwinner sun4i compatible 

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

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Tested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
hifive-unleashed-5.1
Maxime Ripard 2013-06-12 18:53:32 +02:00 committed by Wolfram Sang
parent 004e8ed7cc
commit 3d66ac7d81
2 changed files with 13 additions and 1 deletions
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3
drivers/i2c/busses/Kconfig
View File

@ -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.

11
drivers/i2c/busses/i2c-mv64xxx.c
View File

@ -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},
{}
};