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authorAlberto Panizzo <alberto@amarulasolutions.com>2018-07-09 19:46:46 +0200
committerLee Jones <lee.jones@linaro.org>2018-07-27 08:13:25 +0100
commit4d3e55bc7690b289eeae0c7e994db965cb2a993d (patch)
treeeecf5fd3cc7fffcb179c2aac4adbc03f873e9459 /drivers/mfd/wm8994-core.c
parent102370fb048a223df4054157d795924928537d11 (diff)
downloadlinux-4d3e55bc7690b289eeae0c7e994db965cb2a993d.tar.bz2
mfd: wm8994: Allow to configure CS/ADDR Pulldown from dts
For designs where CS/ADDR pin is floating, it is useful to allow dts to define whether to keep internal pull down or not. Signed-off-by: Alberto Panizzo <alberto@amarulasolutions.com> Signed-off-by: Anthony Brandon <anthony@amarulasolutions.com> Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/mfd/wm8994-core.c')
-rw-r--r--drivers/mfd/wm8994-core.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c
index fa4b1b7f6db1..22bd6525e09c 100644
--- a/drivers/mfd/wm8994-core.c
+++ b/drivers/mfd/wm8994-core.c
@@ -304,6 +304,8 @@ static int wm8994_set_pdata_from_of(struct wm8994 *wm8994)
pdata->spkmode_pu = of_property_read_bool(np, "wlf,spkmode-pu");
+ 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;
@@ -562,6 +564,8 @@ static int wm8994_device_init(struct wm8994 *wm8994, int irq)
if (pdata->spkmode_pu)
pulls |= WM8994_SPKMODE_PU;
+ if (pdata->csnaddr_pd)
+ pulls |= WM8994_CSNADDR_PD;
/* Disable unneeded pulls */
wm8994_set_bits(wm8994, WM8994_PULL_CONTROL_2,