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-rw-r--r--include/asm-generic/gpio.h2
-rw-r--r--include/linux/basic_mmio_gpio.h1
-rw-r--r--include/linux/gpio/consumer.h15
-rw-r--r--include/linux/gpio/driver.h48
-rw-r--r--include/linux/i2c/adp5588.h4
-rw-r--r--include/linux/platform_data/gpio-davinci.h4
6 files changed, 59 insertions, 15 deletions
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h
index a5f56a0213a..23e364538ab 100644
--- a/include/asm-generic/gpio.h
+++ b/include/asm-generic/gpio.h
@@ -69,7 +69,7 @@ static inline int gpio_direction_input(unsigned gpio)
}
static inline int gpio_direction_output(unsigned gpio, int value)
{
- return gpiod_direction_output(gpio_to_desc(gpio), value);
+ return gpiod_direction_output_raw(gpio_to_desc(gpio), value);
}
static inline int gpio_set_debounce(unsigned gpio, unsigned debounce)
diff --git a/include/linux/basic_mmio_gpio.h b/include/linux/basic_mmio_gpio.h
index d8a97ec0e2b..0e97856b2cf 100644
--- a/include/linux/basic_mmio_gpio.h
+++ b/include/linux/basic_mmio_gpio.h
@@ -19,6 +19,7 @@
#include <linux/spinlock_types.h>
struct bgpio_pdata {
+ const char *label;
int base;
int ngpio;
};
diff --git a/include/linux/gpio/consumer.h b/include/linux/gpio/consumer.h
index 7a8144fef40..bed128e8f4b 100644
--- a/include/linux/gpio/consumer.h
+++ b/include/linux/gpio/consumer.h
@@ -5,7 +5,6 @@
#include <linux/kernel.h>
struct device;
-struct gpio_chip;
/**
* Opaque descriptor for a GPIO. These are obtained using gpiod_get() and are
@@ -36,6 +35,7 @@ void devm_gpiod_put(struct device *dev, struct gpio_desc *desc);
int gpiod_get_direction(const struct gpio_desc *desc);
int gpiod_direction_input(struct gpio_desc *desc);
int gpiod_direction_output(struct gpio_desc *desc, int value);
+int gpiod_direction_output_raw(struct gpio_desc *desc, int value);
/* Value get/set from non-sleeping context */
int gpiod_get_value(const struct gpio_desc *desc);
@@ -59,7 +59,6 @@ int gpiod_to_irq(const struct gpio_desc *desc);
/* Convert between the old gpio_ and new gpiod_ interfaces */
struct gpio_desc *gpio_to_desc(unsigned gpio);
int desc_to_gpio(const struct gpio_desc *desc);
-struct gpio_chip *gpiod_to_chip(const struct gpio_desc *desc);
#else /* CONFIG_GPIOLIB */
@@ -121,6 +120,12 @@ static inline int gpiod_direction_output(struct gpio_desc *desc, int value)
WARN_ON(1);
return -ENOSYS;
}
+static inline int gpiod_direction_output_raw(struct gpio_desc *desc, int value)
+{
+ /* GPIO can never have been requested */
+ WARN_ON(1);
+ return -ENOSYS;
+}
static inline int gpiod_get_value(const struct gpio_desc *desc)
@@ -207,12 +212,6 @@ static inline int desc_to_gpio(const struct gpio_desc *desc)
WARN_ON(1);
return -EINVAL;
}
-static inline struct gpio_chip *gpiod_to_chip(const struct gpio_desc *desc)
-{
- /* GPIO can never have been requested */
- WARN_ON(1);
- return ERR_PTR(-ENODEV);
-}
#endif /* CONFIG_GPIOLIB */
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index a3e181e0963..1827b43966d 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -3,6 +3,9 @@
#include <linux/types.h>
#include <linux/module.h>
+#include <linux/irq.h>
+#include <linux/irqchip/chained_irq.h>
+#include <linux/irqdomain.h>
struct device;
struct gpio_desc;
@@ -10,6 +13,8 @@ struct of_phandle_args;
struct device_node;
struct seq_file;
+#ifdef CONFIG_GPIOLIB
+
/**
* struct gpio_chip - abstract a GPIO controller
* @label: for diagnostics
@@ -95,6 +100,18 @@ struct gpio_chip {
bool can_sleep;
bool exported;
+#ifdef CONFIG_GPIOLIB_IRQCHIP
+ /*
+ * With CONFIG_GPIO_IRQCHIP we get an irqchip inside the gpiolib
+ * to handle IRQs for most practical cases.
+ */
+ struct irq_chip *irqchip;
+ struct irq_domain *irqdomain;
+ unsigned int irq_base;
+ irq_flow_handler_t irq_handler;
+ unsigned int irq_default_type;
+#endif
+
#if defined(CONFIG_OF_GPIO)
/*
* If CONFIG_OF is enabled, then all GPIO controllers described in the
@@ -129,6 +146,11 @@ extern struct gpio_chip *gpiochip_find(void *data,
int gpiod_lock_as_irq(struct gpio_desc *desc);
void gpiod_unlock_as_irq(struct gpio_desc *desc);
+struct gpio_chip *gpiod_to_chip(const struct gpio_desc *desc);
+
+struct gpio_desc *gpiochip_get_desc(struct gpio_chip *chip,
+ u16 hwnum);
+
enum gpio_lookup_flags {
GPIO_ACTIVE_HIGH = (0 << 0),
GPIO_ACTIVE_LOW = (1 << 0),
@@ -183,4 +205,30 @@ struct gpiod_lookup_table {
void gpiod_add_lookup_table(struct gpiod_lookup_table *table);
+#ifdef CONFIG_GPIOLIB_IRQCHIP
+
+void gpiochip_set_chained_irqchip(struct gpio_chip *gpiochip,
+ struct irq_chip *irqchip,
+ int parent_irq,
+ irq_flow_handler_t parent_handler);
+
+int gpiochip_irqchip_add(struct gpio_chip *gpiochip,
+ struct irq_chip *irqchip,
+ unsigned int first_irq,
+ irq_flow_handler_t handler,
+ unsigned int type);
+
+#endif /* CONFIG_GPIO_IRQCHIP */
+
+#else /* CONFIG_GPIOLIB */
+
+static inline struct gpio_chip *gpiod_to_chip(const struct gpio_desc *desc)
+{
+ /* GPIO can never have been requested */
+ WARN_ON(1);
+ return ERR_PTR(-ENODEV);
+}
+
+#endif /* CONFIG_GPIOLIB */
+
#endif
diff --git a/include/linux/i2c/adp5588.h b/include/linux/i2c/adp5588.h
index d8341cb47b6..c2153049cfb 100644
--- a/include/linux/i2c/adp5588.h
+++ b/include/linux/i2c/adp5588.h
@@ -161,10 +161,10 @@ struct adp5588_gpio_platform_data {
unsigned irq_base; /* interrupt base # */
unsigned pullup_dis_mask; /* Pull-Up Disable Mask */
int (*setup)(struct i2c_client *client,
- int gpio, unsigned ngpio,
+ unsigned gpio, unsigned ngpio,
void *context);
int (*teardown)(struct i2c_client *client,
- int gpio, unsigned ngpio,
+ unsigned gpio, unsigned ngpio,
void *context);
void *context;
};
diff --git a/include/linux/platform_data/gpio-davinci.h b/include/linux/platform_data/gpio-davinci.h
index fbe2f753574..6ace3fd32b6 100644
--- a/include/linux/platform_data/gpio-davinci.h
+++ b/include/linux/platform_data/gpio-davinci.h
@@ -21,10 +21,6 @@
#include <asm-generic/gpio.h>
-enum davinci_gpio_type {
- GPIO_TYPE_TNETV107X = 0,
-};
-
struct davinci_gpio_platform_data {
u32 ngpio;
u32 gpio_unbanked;