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regulator: wm831x: Convert to use GPIO descriptors

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This converts the Wolfson Micro WM831x DCDC converter to use
a GPIO descriptor for the GPIO driving the DVS pin.

There is just one (non-DT) machine in the kernel using this, and
that is the Wolfson Micro (now Cirrus) Cragganmore 6410 so we
patch this board to pass a descriptor table and fix up the driver
accordingly.

Cc: Charles Keepax <ckeepax@opensource.cirrus.com>
Cc: Richard Fitzgerald <rf@opensource.cirrus.com>
Cc: patches@opensource.cirrus.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Linus Walleij
2019-06-12 09:42:22 +02:00
committed by Mark Brown
parent d17adf7d3f
commit 9a5ed0bac8
3 changed files with 33 additions and 18 deletions
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1
include/linux/mfd/wm831x/pdata.h
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@@ -52,7 +52,6 @@ struct wm831x_battery_pdata {
* 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 */