pinctrl: meson: rework gx pmx function

In preparation of supporting the new Amlogix AGX SoCs, we need to move
the Amlogic GX pinmux functions out of the common code to be able to
add a different set of SoC specific pinmux functions for AXG.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>

1 files changed, 48 insertions, 0 deletions

diff --git a/drivers/pinctrl/meson/pinctrl-meson-gx.h b/drivers/pinctrl/meson/pinctrl-meson-gx.h
new file mode 100644
index 0000000000..4c1aa1a300
--- /dev/null
+++ b/drivers/pinctrl/meson/pinctrl-meson-gx.h
@@ -0,0 +1,48 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2014 Beniamino Galvani <b.galvani@gmail.com>
+ * Copyright (C) 2017 Jerome Brunet  <jbrunet@baylibre.com>
+ */
+
+#ifndef __PINCTRL_MESON_GX_H__
+#define __PINCTRL_MESON_GX_H__
+
+#include "pinctrl-meson.h"
+
+struct meson_gx_pmx_data {
+	bool is_gpio;
+	unsigned int reg;
+	unsigned int bit;
+};
+
+#define PMX_DATA(r, b, g)						\
+	{								\
+		.reg = r,						\
+		.bit = b,						\
+		.is_gpio = g,						\
+	}
+
+#define GROUP(grp, r, b)						\
+	{								\
+		.name = #grp,						\
+		.pins = grp ## _pins,					\
+		.num_pins = ARRAY_SIZE(grp ## _pins),			\
+			.data = (const struct meson_gx_pmx_data[]){	\
+			PMX_DATA(r, b, false),				\
+		},							\
+	}
+
+#define GPIO_GROUP(gpio, b)						\
+	{								\
+		.name = #gpio,						\
+		.pins = (const unsigned int[]){ PIN(gpio, b) },		\
+		.num_pins = 1,						\
+		.data = (const struct meson_gx_pmx_data[]){		\
+			PMX_DATA(0, 0, true),				\
+		},							\
+	}
+
+extern const struct pinctrl_ops meson_gx_pinctrl_ops;
+extern const struct driver meson_gx_gpio_driver;
+
+#endif /* __PINCTRL_MESON_GX_H__ */