Hi,

On Tue, Feb 28, 2017 at 2:00 PM, Heiko Stuebner [off-list ref] wrote:

quoted

+     pp3300_wifi_bt: pp3300-wifi-bt {
+             compatible = "regulator-fixed";
+             regulator-name = "pp3300_wifi_bt";
+             /* NOTE: wlan_module_pd_l pinctrl in pp1800_pcie */
+
+             enable-active-high;
+
+             /* NOTE: this GPIO also used in pp1800_pcie */

does the gpio subsystem like this double usage?

Yes, see commit f19b00da8ed3 ("regulator: core: support shared enable
GPIO concept").  ...but there's no great place to put the pinctrl node
though, unfortunately.  It's either randomly pick one of the two or
add it as a system-level hog.

-Doug