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-rw-r--r--include/linux/pinctrl/consumer.h6
-rw-r--r--include/linux/pinctrl/pinconf-generic.h52
-rw-r--r--include/linux/pinctrl/pinctrl.h15
3 files changed, 47 insertions, 26 deletions
diff --git a/include/linux/pinctrl/consumer.h b/include/linux/pinctrl/consumer.h
index d7e5d608faa7..a0f2aba72fa9 100644
--- a/include/linux/pinctrl/consumer.h
+++ b/include/linux/pinctrl/consumer.h
@@ -29,6 +29,7 @@ extern int pinctrl_request_gpio(unsigned gpio);
extern void pinctrl_free_gpio(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);
@@ -80,6 +81,11 @@ static inline int pinctrl_gpio_direction_output(unsigned gpio)
return 0;
}
+static inline int pinctrl_gpio_set_config(unsigned gpio, unsigned long config)
+{
+ return 0;
+}
+
static inline struct pinctrl * __must_check pinctrl_get(struct device *dev)
{
return NULL;
diff --git a/include/linux/pinctrl/pinconf-generic.h b/include/linux/pinctrl/pinconf-generic.h
index 12343caa114e..7620eb127cff 100644
--- a/include/linux/pinctrl/pinconf-generic.h
+++ b/include/linux/pinctrl/pinconf-generic.h
@@ -12,12 +12,6 @@
#ifndef __LINUX_PINCTRL_PINCONF_GENERIC_H
#define __LINUX_PINCTRL_PINCONF_GENERIC_H
-/*
- * You shouldn't even be able to compile with these enums etc unless you're
- * using generic pin config. That is why this is defined out.
- */
-#ifdef CONFIG_GENERIC_PINCONF
-
/**
* enum pin_config_param - possible pin configuration parameters
* @PIN_CONFIG_BIAS_BUS_HOLD: the pin will be set to weakly latch so that it
@@ -92,6 +86,8 @@
* @PIN_CONFIG_END: this is the last enumerator for pin configurations, if
* you need to pass in custom configurations to the pin controller, use
* PIN_CONFIG_END+1 as the base offset.
+ * @PIN_CONFIG_MAX: this is the maximum configuration value that can be
+ * presented using the packed format.
*/
enum pin_config_param {
PIN_CONFIG_BIAS_BUS_HOLD,
@@ -112,49 +108,53 @@ enum pin_config_param {
PIN_CONFIG_OUTPUT,
PIN_CONFIG_POWER_SOURCE,
PIN_CONFIG_SLEW_RATE,
- PIN_CONFIG_END = 0x7FFF,
-};
-
-#ifdef CONFIG_DEBUG_FS
-#define PCONFDUMP(a, b, c, d) { .param = a, .display = b, .format = c, \
- .has_arg = d }
-
-struct pin_config_item {
- const enum pin_config_param param;
- const char * const display;
- const char * const format;
- bool has_arg;
+ PIN_CONFIG_END = 0x7F,
+ PIN_CONFIG_MAX = 0xFF,
};
-#endif /* CONFIG_DEBUG_FS */
/*
* Helpful configuration macro to be used in tables etc.
*/
-#define PIN_CONF_PACKED(p, a) ((a << 16) | ((unsigned long) p & 0xffffUL))
+#define PIN_CONF_PACKED(p, a) ((a << 8) | ((unsigned long) p & 0xffUL))
/*
* The following inlines stuffs a configuration parameter and data value
* into and out of an unsigned long argument, as used by the generic pin config
- * system. We put the parameter in the lower 16 bits and the argument in the
- * upper 16 bits.
+ * system. We put the parameter in the lower 8 bits and the argument in the
+ * upper 24 bits.
*/
static inline enum pin_config_param pinconf_to_config_param(unsigned long config)
{
- return (enum pin_config_param) (config & 0xffffUL);
+ return (enum pin_config_param) (config & 0xffUL);
}
-static inline u16 pinconf_to_config_argument(unsigned long config)
+static inline u32 pinconf_to_config_argument(unsigned long config)
{
- return (enum pin_config_param) ((config >> 16) & 0xffffUL);
+ return (u32) ((config >> 8) & 0xffffffUL);
}
static inline unsigned long pinconf_to_config_packed(enum pin_config_param param,
- u16 argument)
+ u32 argument)
{
return PIN_CONF_PACKED(param, argument);
}
+#ifdef CONFIG_GENERIC_PINCONF
+
+#ifdef CONFIG_DEBUG_FS
+#define PCONFDUMP(a, b, c, d) { \
+ .param = a, .display = b, .format = c, .has_arg = d \
+ }
+
+struct pin_config_item {
+ const enum pin_config_param param;
+ const char * const display;
+ const char * const format;
+ bool has_arg;
+};
+#endif /* CONFIG_DEBUG_FS */
+
#ifdef CONFIG_OF
#include <linux/device.h>
diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h
index a42e57da270d..8ce2d87a238b 100644
--- a/include/linux/pinctrl/pinctrl.h
+++ b/include/linux/pinctrl/pinctrl.h
@@ -141,12 +141,27 @@ struct pinctrl_desc {
};
/* External interface to pin controller */
+
+extern int pinctrl_register_and_init(struct pinctrl_desc *pctldesc,
+ struct device *dev, void *driver_data,
+ struct pinctrl_dev **pctldev);
+
+/* Please use pinctrl_register_and_init() instead */
extern struct pinctrl_dev *pinctrl_register(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,
+ 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,
void *driver_data);
+
extern void devm_pinctrl_unregister(struct device *dev,
struct pinctrl_dev *pctldev);