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-rw-r--r--drivers/pinctrl/devicetree.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/pinctrl/devicetree.h b/drivers/pinctrl/devicetree.h
new file mode 100644
index 000000000..43d8d19aa
--- /dev/null
+++ b/drivers/pinctrl/devicetree.h
@@ -0,0 +1,66 @@
+/*
+ * Internal interface to pinctrl device tree integration
+ *
+ * Copyright (C) 2012 NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+struct of_phandle_args;
+
+#ifdef CONFIG_OF
+
+bool pinctrl_dt_has_hogs(struct pinctrl_dev *pctldev);
+
+void pinctrl_dt_free_maps(struct pinctrl *p);
+int pinctrl_dt_to_map(struct pinctrl *p, struct pinctrl_dev *pctldev);
+
+int pinctrl_count_index_with_args(const struct device_node *np,
+ const char *list_name);
+
+int pinctrl_parse_index_with_args(const struct device_node *np,
+ const char *list_name, int index,
+ struct of_phandle_args *out_args);
+
+#else
+
+static inline bool pinctrl_dt_has_hogs(struct pinctrl_dev *pctldev)
+{
+ return false;
+}
+
+static inline int pinctrl_dt_to_map(struct pinctrl *p,
+ struct pinctrl_dev *pctldev)
+{
+ return 0;
+}
+
+static inline void pinctrl_dt_free_maps(struct pinctrl *p)
+{
+}
+
+static inline int pinctrl_count_index_with_args(const struct device_node *np,
+ const char *list_name)
+{
+ return -ENODEV;
+}
+
+static inline int
+pinctrl_parse_index_with_args(const struct device_node *np,
+ const char *list_name, int index,
+ struct of_phandle_args *out_args)
+{
+ return -ENODEV;
+}
+
+#endif