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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2022-12-19 14:42:33 +0200
committerAndy Shevchenko <andriy.shevchenko@linux.intel.com>2022-12-30 10:22:37 +0200
commit443a0a0f0cf4f432c7af6654b7f2f920d411d379 (patch)
treef540ea068167b43fb25ec7c8df027eee49fdbbe3
parented153b0793ba8a3b11d909a78ff48b16878bd2f3 (diff)
pinctrl: Introduce struct pinfunction and PINCTRL_PINFUNCTION() macro
There are many pin control drivers define their own data type for pin function representation which is the same or embed the same data as newly introduced one. Provide the data type and convenient macro for all pin control drivers. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
-rw-r--r--include/linux/pinctrl/pinctrl.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h
index a0d39b303431..4d252ea00ed1 100644
--- a/include/linux/pinctrl/pinctrl.h
+++ b/include/linux/pinctrl/pinctrl.h
@@ -206,6 +206,26 @@ extern int pinctrl_get_group_pins(struct pinctrl_dev *pctldev,
const char *pin_group, const unsigned **pins,
unsigned *num_pins);
+/**
+ * struct pinfunction - Description about a function
+ * @name: Name of the function
+ * @groups: An array of groups for this function
+ * @ngroups: Number of groups in @groups
+ */
+struct pinfunction {
+ const char *name;
+ const char * const *groups;
+ size_t ngroups;
+};
+
+/* Convenience macro to define a single named pinfunction */
+#define PINCTRL_PINFUNCTION(_name, _groups, _ngroups) \
+(struct pinfunction) { \
+ .name = (_name), \
+ .groups = (_groups), \
+ .ngroups = (_ngroups), \
+ }
+
#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_PINCTRL)
extern struct pinctrl_dev *of_pinctrl_get(struct device_node *np);
#else