diff options
Diffstat (limited to 'include/linux/mfd')
| -rw-r--r-- | include/linux/mfd/wm831x/pdata.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/mfd/wm831x/pdata.h b/include/linux/mfd/wm831x/pdata.h index 415c228743d..fd322aca33b 100644 --- a/include/linux/mfd/wm831x/pdata.h +++ b/include/linux/mfd/wm831x/pdata.h @@ -41,6 +41,23 @@ struct wm831x_battery_pdata { int timeout; /** Charge cycle timeout, in minutes */ }; +/** + * Configuration for the WM831x DC-DC BuckWise convertors. This + * should be passed as driver_data in the regulator_init_data. + * + * Currently all the configuration is for the fast DVS switching + * support of the devices. This allows MFPs on the device to be + * configured as an input to switch between two output voltages, + * allowing voltage transitions without the expense of an access over + * I2C or SPI buses. + */ +struct wm831x_buckv_pdata { + int dvs_gpio; /** CPU GPIO to use for DVS switching */ + int dvs_control_src; /** Hardware DVS source to use (1 or 2) */ + int dvs_init_state; /** DVS state to expect on startup */ + int dvs_state_gpio; /** CPU GPIO to use for monitoring status */ +}; + /* Sources for status LED configuration. Values are register values * plus 1 to allow for a zero default for preserve. */ |