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    Subject[PATCH 3/6] mfd/stmpexxx: add touchscreen platform data
    Date
    Signed-off-by: Luotao Fu <l.fu@pengutronix.de>
    ---
    include/linux/mfd/stmpe.h | 43 +++++++++++++++++++++++++++++++++++++++++++
    1 files changed, 43 insertions(+), 0 deletions(-)

    diff --git a/include/linux/mfd/stmpe.h b/include/linux/mfd/stmpe.h
    index cf2155f..3d319a1 100644
    --- a/include/linux/mfd/stmpe.h
    +++ b/include/linux/mfd/stmpe.h
    @@ -124,6 +124,47 @@ struct stmpe_gpio_platform_data {
    };

    /**
    + * struct stmpe_ts_platform_data - stmpe811 touch screen controller platform
    + * data
    + * @sample_time: ADC converstion time in number of clock.
    + * (0 -> 36 clocks, 1 -> 44 clocks, 2 -> 56 clocks, 3 -> 64 clocks,
    + * 4 -> 80 clocks, 5 -> 96 clocks, 6 -> 144 clocks),
    + * recommended is 4.
    + * @mod_12b: ADC Bit mode (0 -> 10bit ADC, 1 -> 12bit ADC)
    + * @ref_sel: ADC reference source
    + * (0 -> internal reference, 1 -> external reference)
    + * @adc_freq: ADC Clock speed
    + * (0 -> 1.625 MHz, 1 -> 3.25 MHz, 2 || 3 -> 6.5 MHz)
    + * @ave_ctrl: Sample average control
    + * (0 -> 1 sample, 1 -> 2 samples, 2 -> 4 samples, 3 -> 8 samples)
    + * @touch_det_delay: Touch detect interrupt delay
    + * (0 -> 10 us, 1 -> 50 us, 2 -> 100 us, 3 -> 500 us,
    + * 4-> 1 ms, 5 -> 5 ms, 6 -> 10 ms, 7 -> 50 ms)
    + * recommended is 3
    + * @settling: Panel driver settling time
    + * (0 -> 10 us, 1 -> 100 us, 2 -> 500 us, 3 -> 1 ms,
    + * 4 -> 5 ms, 5 -> 10 ms, 6 for 50 ms, 7 -> 100 ms)
    + * recommended is 2
    + * @fraction_z: Length of the fractional part in z
    + * (fraction_z ([0..7]) = Count of the fractional part)
    + * recommended is 7
    + * @i_drive: current limit value of the touchscreen drivers
    + * (0 -> 20 mA typical 35 mA max, 1 -> 50 mA typical 80 mA max)
    + *
    + * */
    +struct stmpe_ts_platform_data {
    + u8 sample_time;
    + u8 mod_12b;
    + u8 ref_sel;
    + u8 adc_freq;
    + u8 ave_ctrl;
    + u8 touch_det_delay;
    + u8 settling;
    + u8 fraction_z;
    + u8 i_drive;
    +};
    +
    +/**
    * struct stmpe_platform_data - STMPE platform data
    * @id: device id to distinguish between multiple STMPEs on the same board
    * @blocks: bitmask of blocks to enable (use STMPE_BLOCK_*)
    @@ -133,6 +174,7 @@ struct stmpe_gpio_platform_data {
    * %STMPE_NR_INTERNAL_IRQS if the GPIO driver is not used.
    * @gpio: GPIO-specific platform data
    * @keypad: keypad-specific platform data
    + * @ts: touchscreen-specific platform data
    */
    struct stmpe_platform_data {
    int id;
    @@ -143,6 +185,7 @@ struct stmpe_platform_data {

    struct stmpe_gpio_platform_data *gpio;
    struct stmpe_keypad_platform_data *keypad;
    + struct stmpe_ts_platform_data *ts;
    };

    #define STMPE_NR_INTERNAL_IRQS 9
    --
    1.7.1


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