summaryrefslogtreecommitdiff
path: root/include/linux/gpio/driver.h
diff options
context:
space:
mode:
authorThierry Reding <treding@nvidia.com>2017-07-24 17:57:23 +0300
committerLinus Walleij <linus.walleij@linaro.org>2017-08-14 16:01:13 +0300
commit67049c505017d7b380e16aa4f4b02344c2be0d55 (patch)
treeda155b5883e8e7d384bb1c3926f7190d982a2a20 /include/linux/gpio/driver.h
parent950d55f5bf7991222e34428b5f779bd030b6a42a (diff)
downloadlinux-67049c505017d7b380e16aa4f4b02344c2be0d55.tar.xz
gpio: of: Improve kerneldoc
Add descriptions for missing fields and fix up some parameter references to match the code. Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'include/linux/gpio/driver.h')
-rw-r--r--include/linux/gpio/driver.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index ad4150d075c3..fe66c9306caf 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -180,8 +180,27 @@ struct gpio_chip {
* If CONFIG_OF is enabled, then all GPIO controllers described in the
* device tree automatically may have an OF translation
*/
+
+ /**
+ * @of_node:
+ *
+ * Pointer to a device tree node representing this GPIO controller.
+ */
struct device_node *of_node;
+
+ /**
+ * @of_gpio_n_cells:
+ *
+ * Number of cells used to form the GPIO specifier.
+ */
int of_gpio_n_cells;
+
+ /**
+ * @of_xlate:
+ *
+ * Callback to translate a device tree GPIO specifier into a chip-
+ * relative GPIO number and flags.
+ */
int (*of_xlate)(struct gpio_chip *gc,
const struct of_phandle_args *gpiospec, u32 *flags);
#endif