1 files changed, 74 insertions, 0 deletions
diff --git a/drivers/pinctrl/meson/pinctrl-meson.h b/drivers/pinctrl/meson/pinctrl-meson.h
new file mode 100644
index 0000000..4127a60
--- /dev/null
+++ b/drivers/pinctrl/meson/pinctrl-meson.h
@@ -0,0 +1,74 @@
+/*
+ * (C) Copyright 2016 - Beniamino Galvani <b.galvani@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __PINCTRL_MESON_H__
+#define __PINCTRL_MESON_H__
+
+#include <linux/types.h>
+
+struct meson_pmx_group {
+	const char *name;
+	const unsigned int *pins;
+	unsigned int num_pins;
+	bool is_gpio;
+	unsigned int reg;
+	unsigned int bit;
+};
+
+struct meson_pmx_func {
+	const char *name;
+	const char * const *groups;
+	unsigned int num_groups;
+};
+
+struct meson_pinctrl_data {
+	const char *name;
+	struct meson_pmx_group *groups;
+	struct meson_pmx_func *funcs;
+	unsigned int pin_base;
+	unsigned int num_pins;
+	unsigned int num_groups;
+	unsigned int num_funcs;
+};
+
+struct meson_pinctrl {
+	struct meson_pinctrl_data *data;
+	void __iomem *reg_mux;
+};
+
+#define PIN(x, b)	(b + x)
+
+#define GROUP(grp, r, b)						\
+	{								\
+		.name = #grp,						\
+		.pins = grp ## _pins,					\
+		.num_pins = ARRAY_SIZE(grp ## _pins),			\
+		.reg = r,						\
+		.bit = b,						\
+	 }
+
+#define GPIO_GROUP(gpio, b)						\
+	{								\
+		.name = #gpio,						\
+		.pins = (const unsigned int[]){ PIN(gpio, b) },		\
+		.num_pins = 1,						\
+		.is_gpio = true,					\
+	 }
+
+#define FUNCTION(fn)							\
+	{								\
+		.name = #fn,						\
+		.groups = fn ## _groups,				\
+		.num_groups = ARRAY_SIZE(fn ## _groups),		\
+	}
+
+#define MESON_PIN(x, b) PINCTRL_PIN(PIN(x, b), #x)
+
+extern const struct pinctrl_ops meson_pinctrl_ops;
+
+int meson_pinctrl_probe(struct udevice *dev);
+
+#endif /* __PINCTRL_MESON_H__ */