Fishwaldo commented on code in PR #19871:
URL: https://github.com/apache/nuttx/pull/19871#discussion_r3801055149
##########
include/nuttx/pinctrl/pinctrl.h:
##########
@@ -189,6 +225,48 @@ struct pinctrl_param_s
} para;
};
+/* What a controller can say about one pad. Self contained: the strings
+ * are embedded, so the same structure serves the get_pad method and the
+ * PINCTRLC_GETPAD ioctl across the user/kernel boundary. An empty name
+ * means unnamed.
+ */
+
+struct pinctrl_padinfo_s
+{
+ uint32_t have; /* PINCTRL_HAVE_* validity bits */
+ char name[PINCTRL_NAME_MAX]; /* Pad name */
+ uint32_t function; /* Current function select */
+ char funcname[PINCTRL_NAME_MAX]; /* What that function selects */
+ uint32_t strength; /* Drive strength, hardware units */
+ bool pullup; /* Pull up enabled */
+ bool pulldown; /* Pull down enabled */
+ uint32_t slewrate; /* Slew rate, hardware units */
+ bool input; /* Input buffer enabled */
+ bool schmitt; /* Schmitt trigger enabled */
+ char extra[PINCTRL_EXTRA_MAX]; /* Controller specific key:value
+ * fields, appended to the pad's
+ * /proc/pinctrl line */
+};
+
+/* PINCTRLC_GETPAD argument */
+
+struct pinctrl_getpad_s
+{
+ uint32_t pin; /* In */
+ struct pinctrl_padinfo_s info; /* Out */
+};
+
+/* One pad in a controller's name table; declare entries with
+ * PINCTRL_PADNAME().
+ */
+
+struct pinctrl_padname_s
+{
+ FAR const char *name; /* Pad name */
+ FAR const char *const *funcs; /* Function select names, in order */
+ uint8_t nfuncs; /* Entries in funcs */
Review Comment:
Done
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