pinctrl: allow exlusive GPIO/mux pin allocation

[karo-tx-linux.git] / include / linux / pinctrl / pinctrl.h

diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h
index 66e4697516dea286fe403cff2fa0074c053824ba..fc6b0348c375de4aa0c4f260c49b2e6a6eb76743 100644 (file)
--- a/include/linux/pinctrl/pinctrl.h
+++ b/include/linux/pinctrl/pinctrl.h
@@ -114,6 +114,8 @@ struct pinctrl_ops {
  *     of the pins field above
  * @pctlops: pin control operation vtable, to support global concepts like
  *     grouping of pins, this is optional.
+ * @strict: check both gpio_owner and mux_owner strictly before approving
+       the pin request
  * @pmxops: pinmux operations vtable, if you support pinmuxing in your driver
  * @confops: pin config operations vtable, if you support pin configuration in
  *     your driver
@@ -132,6 +134,7 @@ struct pinctrl_desc {
        const struct pinctrl_ops *pctlops;
        const struct pinmux_ops *pmxops;
        const struct pinconf_ops *confops;
+       bool strict;
        struct module *owner;
 #ifdef CONFIG_GENERIC_PINCONF
        unsigned int num_custom_params;