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regulator: wm8994: Pass descriptor instead of GPIO number

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Instead of passing a global GPIO number for the enable GPIO, pass
a descriptor looked up from the device tree node or the board file
decriptor table for the regulator.

There is a single board file passing the GPIOs for LDO1 and LDO2
through platform data, so augment this to pass descriptors
associated with the i2c device as well.

The special GPIO enable DT property for the enable GPIO is
nonstandard but this was accomodated in
commit 6a537d4846
"gpio: of: Support regulator nonstandard GPIO properties".

Cc: [email protected]
Acked-by: Charles Keepax <[email protected]>
Acked-by: Lee Jones <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
This commit is contained in:
Linus Walleij 2018-11-15 09:01:18 +01:00 • committed by Mark Brown
commit 1d2f46814d
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GPG key ID: 24D68B725D5487D0
4 changed files with 27 additions and 22 deletions
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9
drivers/mfd/wm8994-core.c
View file

@ -21,7 +21,6 @@
#include <linux/mfd/core.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/of_gpio.h>
#include <linux/pm_runtime.h>
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
@ -306,14 +305,6 @@ static int wm8994_set_pdata_from_of(struct wm8994 *wm8994)
pdata->csnaddr_pd = of_property_read_bool(np, "wlf,csnaddr-pd");
pdata->ldo[0].enable = of_get_named_gpio(np, "wlf,ldo1ena", 0);
if (pdata->ldo[0].enable < 0)
pdata->ldo[0].enable = 0;
pdata->ldo[1].enable = of_get_named_gpio(np, "wlf,ldo2ena", 0);
if (pdata->ldo[1].enable < 0)
pdata->ldo[1].enable = 0;
return 0;
}
#else