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Diffstat (limited to 'include/linux/pinctrl/consumer.h')
-rw-r--r--include/linux/pinctrl/consumer.h107
1 files changed, 68 insertions, 39 deletions
diff --git a/include/linux/pinctrl/consumer.h b/include/linux/pinctrl/consumer.h
index 0412cc9833e9..63ce16191eb9 100644
--- a/include/linux/pinctrl/consumer.h
+++ b/include/linux/pinctrl/consumer.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Consumer interface the pin control subsystem
*
@@ -6,50 +7,59 @@
* Based on bits of regulator core, gpio core and clk core
*
* Author: Linus Walleij <linus.walleij@linaro.org>
- *
- * License terms: GNU General Public License (GPL) version 2
*/
#ifndef __LINUX_PINCTRL_CONSUMER_H
#define __LINUX_PINCTRL_CONSUMER_H
#include <linux/err.h>
-#include <linux/list.h>
-#include <linux/seq_file.h>
+#include <linux/types.h>
+
#include <linux/pinctrl/pinctrl-state.h>
+struct device;
+struct gpio_chip;
+
/* This struct is private to the core and should be regarded as a cookie */
struct pinctrl;
struct pinctrl_state;
-struct device;
#ifdef CONFIG_PINCTRL
/* External interface to pin control */
-extern int pinctrl_gpio_request(unsigned gpio);
-extern void pinctrl_gpio_free(unsigned gpio);
-extern int pinctrl_gpio_direction_input(unsigned gpio);
-extern int pinctrl_gpio_direction_output(unsigned gpio);
-extern int pinctrl_gpio_set_config(unsigned gpio, unsigned long config);
-
-extern struct pinctrl * __must_check pinctrl_get(struct device *dev);
-extern void pinctrl_put(struct pinctrl *p);
-extern struct pinctrl_state * __must_check pinctrl_lookup_state(
- struct pinctrl *p,
- const char *name);
-extern int pinctrl_select_state(struct pinctrl *p, struct pinctrl_state *s);
-
-extern struct pinctrl * __must_check devm_pinctrl_get(struct device *dev);
-extern void devm_pinctrl_put(struct pinctrl *p);
+bool pinctrl_gpio_can_use_line(struct gpio_chip *gc, unsigned int offset);
+int pinctrl_gpio_request(struct gpio_chip *gc, unsigned int offset);
+void pinctrl_gpio_free(struct gpio_chip *gc, unsigned int offset);
+int pinctrl_gpio_direction_input(struct gpio_chip *gc,
+ unsigned int offset);
+int pinctrl_gpio_direction_output(struct gpio_chip *gc,
+ unsigned int offset);
+int pinctrl_gpio_set_config(struct gpio_chip *gc, unsigned int offset,
+ unsigned long config);
+
+struct pinctrl * __must_check pinctrl_get(struct device *dev);
+void pinctrl_put(struct pinctrl *p);
+struct pinctrl_state * __must_check pinctrl_lookup_state(struct pinctrl *p,
+ const char *name);
+int pinctrl_select_state(struct pinctrl *p, struct pinctrl_state *s);
+
+struct pinctrl * __must_check devm_pinctrl_get(struct device *dev);
+void devm_pinctrl_put(struct pinctrl *p);
+int pinctrl_select_default_state(struct device *dev);
#ifdef CONFIG_PM
-extern int pinctrl_pm_select_default_state(struct device *dev);
-extern int pinctrl_pm_select_sleep_state(struct device *dev);
-extern int pinctrl_pm_select_idle_state(struct device *dev);
+int pinctrl_pm_select_default_state(struct device *dev);
+int pinctrl_pm_select_init_state(struct device *dev);
+int pinctrl_pm_select_sleep_state(struct device *dev);
+int pinctrl_pm_select_idle_state(struct device *dev);
#else
static inline int pinctrl_pm_select_default_state(struct device *dev)
{
return 0;
}
+static inline int pinctrl_pm_select_init_state(struct device *dev)
+{
+ return 0;
+}
static inline int pinctrl_pm_select_sleep_state(struct device *dev)
{
return 0;
@@ -62,26 +72,38 @@ static inline int pinctrl_pm_select_idle_state(struct device *dev)
#else /* !CONFIG_PINCTRL */
-static inline int pinctrl_gpio_request(unsigned gpio)
+static inline bool
+pinctrl_gpio_can_use_line(struct gpio_chip *gc, unsigned int offset)
+{
+ return true;
+}
+
+static inline int
+pinctrl_gpio_request(struct gpio_chip *gc, unsigned int offset)
{
return 0;
}
-static inline void pinctrl_gpio_free(unsigned gpio)
+static inline void
+pinctrl_gpio_free(struct gpio_chip *gc, unsigned int offset)
{
}
-static inline int pinctrl_gpio_direction_input(unsigned gpio)
+static inline int
+pinctrl_gpio_direction_input(struct gpio_chip *gc, unsigned int offset)
{
return 0;
}
-static inline int pinctrl_gpio_direction_output(unsigned gpio)
+static inline int
+pinctrl_gpio_direction_output(struct gpio_chip *gc, unsigned int offset)
{
return 0;
}
-static inline int pinctrl_gpio_set_config(unsigned gpio, unsigned long config)
+static inline int
+pinctrl_gpio_set_config(struct gpio_chip *gc, unsigned int offset,
+ unsigned long config)
{
return 0;
}
@@ -95,9 +117,8 @@ static inline void pinctrl_put(struct pinctrl *p)
{
}
-static inline struct pinctrl_state * __must_check pinctrl_lookup_state(
- struct pinctrl *p,
- const char *name)
+static inline struct pinctrl_state * __must_check pinctrl_lookup_state(struct pinctrl *p,
+ const char *name)
{
return NULL;
}
@@ -117,11 +138,21 @@ static inline void devm_pinctrl_put(struct pinctrl *p)
{
}
+static inline int pinctrl_select_default_state(struct device *dev)
+{
+ return 0;
+}
+
static inline int pinctrl_pm_select_default_state(struct device *dev)
{
return 0;
}
+static inline int pinctrl_pm_select_init_state(struct device *dev)
+{
+ return 0;
+}
+
static inline int pinctrl_pm_select_sleep_state(struct device *dev)
{
return 0;
@@ -134,8 +165,8 @@ static inline int pinctrl_pm_select_idle_state(struct device *dev)
#endif /* CONFIG_PINCTRL */
-static inline struct pinctrl * __must_check pinctrl_get_select(
- struct device *dev, const char *name)
+static inline struct pinctrl * __must_check pinctrl_get_select(struct device *dev,
+ const char *name)
{
struct pinctrl *p;
struct pinctrl_state *s;
@@ -160,14 +191,13 @@ static inline struct pinctrl * __must_check pinctrl_get_select(
return p;
}
-static inline struct pinctrl * __must_check pinctrl_get_select_default(
- struct device *dev)
+static inline struct pinctrl * __must_check pinctrl_get_select_default(struct device *dev)
{
return pinctrl_get_select(dev, PINCTRL_STATE_DEFAULT);
}
-static inline struct pinctrl * __must_check devm_pinctrl_get_select(
- struct device *dev, const char *name)
+static inline struct pinctrl * __must_check devm_pinctrl_get_select(struct device *dev,
+ const char *name)
{
struct pinctrl *p;
struct pinctrl_state *s;
@@ -192,8 +222,7 @@ static inline struct pinctrl * __must_check devm_pinctrl_get_select(
return p;
}
-static inline struct pinctrl * __must_check devm_pinctrl_get_select_default(
- struct device *dev)
+static inline struct pinctrl * __must_check devm_pinctrl_get_select_default(struct device *dev)
{
return devm_pinctrl_get_select(dev, PINCTRL_STATE_DEFAULT);
}