diff options
| author | Maxime Ripard <maxime.ripard@free-electrons.com> | 2013-06-12 18:53:32 +0200 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2013-06-15 13:37:48 +0200 |
| commit | 3d66ac7d81ac70dfaab8a573f7ad2be94f7d6da3 (patch) | |
| tree | b12ae02330d6bda6d94b4db3fdd31e4742aa578b /drivers/i2c | |
| parent | i2c: mv64xxx: make the registers offset configurable (diff) | |
| download | linux-3d66ac7d81ac70dfaab8a573f7ad2be94f7d6da3.tar.xz linux-3d66ac7d81ac70dfaab8a573f7ad2be94f7d6da3.zip | |
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>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/Kconfig | 3 | ||||
| -rw-r--r-- | drivers/i2c/busses/i2c-mv64xxx.c | 11 |
2 files changed, 13 insertions, 1 deletions
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index 6582611bfee6..96c6d82da3ed 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -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. diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c index 7ba9bac18478..7a0e39b7f928 100644 --- a/drivers/i2c/busses/i2c-mv64xxx.c +++ b/drivers/i2c/busses/i2c-mv64xxx.c @@ -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}, {} }; |