pinctrl: Add support for Meson8b

This patch adds support for the AmLogic Meson8b SoC.
Signed-off-by: Carlo Caione <carlo@endlessm.com>
Acked-by: Beniamino Galvani <b.galvani@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/meson/Makefile

-obj-y	+= pinctrl-meson8.o
+obj-y	+= pinctrl-meson8.o pinctrl-meson8b.o
 obj-y	+= pinctrl-meson.o

drivers/pinctrl/meson/pinctrl-meson.c

@@ -545,6 +545,10 @@ static const struct of_device_id meson_pinctrl_dt_match[] = {
 		.compatible = "amlogic,meson8-pinctrl",
 		.data = &meson8_pinctrl_data,
 	},
+	{
+		.compatible = "amlogic,meson8b-pinctrl",
+		.data = &meson8b_pinctrl_data,
+	},
 	{ },
 };
 MODULE_DEVICE_TABLE(of, meson_pinctrl_dt_match);

drivers/pinctrl/meson/pinctrl-meson.h

@@ -209,3 +209,4 @@ struct meson_pinctrl {
 #define MESON_PIN(x, b) PINCTRL_PIN(PIN(x, b), #x)
 
 extern struct meson_pinctrl_data meson8_pinctrl_data;
+extern struct meson_pinctrl_data meson8b_pinctrl_data;

include/dt-bindings/gpio/meson8b-gpio.h

+/*
+ * GPIO definitions for Amlogic Meson8b SoCs
+ *
+ * Copyright (C) 2015 Endless Mobile, Inc.
+ * Author: Carlo Caione <carlo@endlessm.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _DT_BINDINGS_MESON8B_GPIO_H
+#define _DT_BINDINGS_MESON8B_GPIO_H
+
+#include <dt-bindings/gpio/meson8-gpio.h>
+
+/* GPIO Bank DIF */
+#define DIF_0_P		120
+#define DIF_0_N		121
+#define DIF_1_P		122
+#define DIF_1_N		123
+#define DIF_2_P		124
+#define DIF_2_N		125
+#define DIF_3_P		126
+#define DIF_3_N		127
+#define DIF_4_P		128
+#define DIF_4_N		129
+
+#endif /* _DT_BINDINGS_MESON8B_GPIO_H */