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Diffstat (limited to 'include/linux/pinctrl/pinctrl.h')
-rw-r--r--include/linux/pinctrl/pinctrl.h22
1 files changed, 18 insertions, 4 deletions
diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h
index 9a8189ffd0f2..1a8084e29405 100644
--- a/include/linux/pinctrl/pinctrl.h
+++ b/include/linux/pinctrl/pinctrl.h
@@ -11,6 +11,7 @@
#ifndef __LINUX_PINCTRL_PINCTRL_H
#define __LINUX_PINCTRL_PINCTRL_H
+#include <linux/bits.h>
#include <linux/types.h>
struct device;
@@ -165,25 +166,25 @@ struct pinctrl_desc {
/* External interface to pin controller */
-extern int pinctrl_register_and_init(struct pinctrl_desc *pctldesc,
+extern int pinctrl_register_and_init(const struct pinctrl_desc *pctldesc,
struct device *dev, void *driver_data,
struct pinctrl_dev **pctldev);
extern int pinctrl_enable(struct pinctrl_dev *pctldev);
/* Please use pinctrl_register_and_init() and pinctrl_enable() instead */
-extern struct pinctrl_dev *pinctrl_register(struct pinctrl_desc *pctldesc,
+extern struct pinctrl_dev *pinctrl_register(const struct pinctrl_desc *pctldesc,
struct device *dev, void *driver_data);
extern void pinctrl_unregister(struct pinctrl_dev *pctldev);
extern int devm_pinctrl_register_and_init(struct device *dev,
- struct pinctrl_desc *pctldesc,
+ const struct pinctrl_desc *pctldesc,
void *driver_data,
struct pinctrl_dev **pctldev);
/* Please use devm_pinctrl_register_and_init() instead */
extern struct pinctrl_dev *devm_pinctrl_register(struct device *dev,
- struct pinctrl_desc *pctldesc,
+ const struct pinctrl_desc *pctldesc,
void *driver_data);
extern void devm_pinctrl_unregister(struct device *dev,
@@ -206,16 +207,20 @@ extern int pinctrl_get_group_pins(struct pinctrl_dev *pctldev,
const char *pin_group, const unsigned int **pins,
unsigned int *num_pins);
+#define PINFUNCTION_FLAG_GPIO BIT(0)
+
/**
* struct pinfunction - Description about a function
* @name: Name of the function
* @groups: An array of groups for this function
* @ngroups: Number of groups in @groups
+ * @flags: Additional pin function flags
*/
struct pinfunction {
const char *name;
const char * const *groups;
size_t ngroups;
+ unsigned long flags;
};
/* Convenience macro to define a single named pinfunction */
@@ -226,6 +231,15 @@ struct pinfunction {
.ngroups = (_ngroups), \
}
+/* Same as PINCTRL_PINFUNCTION() but for the GPIO category of functions */
+#define PINCTRL_GPIO_PINFUNCTION(_name, _groups, _ngroups) \
+(struct pinfunction) { \
+ .name = (_name), \
+ .groups = (_groups), \
+ .ngroups = (_ngroups), \
+ .flags = PINFUNCTION_FLAG_GPIO, \
+ }
+
#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_PINCTRL)
extern struct pinctrl_dev *of_pinctrl_get(struct device_node *np);
#else