Merge branch 'gpio-reserved-ranges' into devel

1 files changed, 16 insertions, 0 deletions

diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index 1ba9a331ec51..5382b5183b7e 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -288,6 +288,21 @@ struct gpio_chip {
 	struct gpio_irq_chip irq;
 #endif
 
+	/**
+	 * @need_valid_mask:
+	 *
+	 * If set core allocates @valid_mask with all bits set to one.
+	 */
+	bool need_valid_mask;
+
+	/**
+	 * @valid_mask:
+	 *
+	 * If not %NULL holds bitmask of GPIOs which are valid to be used
+	 * from the chip.
+	 */
+	unsigned long *valid_mask;
+
 #if defined(CONFIG_OF_GPIO)
 	/*
 	 * If CONFIG_OF is enabled, then all GPIO controllers described in the
@@ -384,6 +399,7 @@ bool gpiochip_line_is_open_source(struct gpio_chip *chip, unsigned int offset);
 
 /* Sleep persistence inquiry for drivers */
 bool gpiochip_line_is_persistent(struct gpio_chip *chip, unsigned int offset);
+bool gpiochip_line_is_valid(const struct gpio_chip *chip, unsigned int offset);
 
 /* get driver data */
 void *gpiochip_get_data(struct gpio_chip *chip);