From 4d3e55bc7690b289eeae0c7e994db965cb2a993d Mon Sep 17 00:00:00 2001 From: Alberto Panizzo Date: Mon, 9 Jul 2018 19:46:46 +0200 Subject: 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 Signed-off-by: Anthony Brandon Acked-by: Charles Keepax Signed-off-by: Lee Jones --- drivers/mfd/wm8994-core.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/mfd') 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, -- cgit v1.2.3-59-g8ed1b