Add minimal support for the RZ/G1M (R8A7743) SoC.

Based on the original (and large) patch by Dmitry Shifrin
<dmitry.shif...@cogentembedded.com>.

Signed-off-by: Sergei Shtylyov <sergei.shtyl...@cogentembedded.com>

---
 arch/arm/mach-shmobile/Kconfig         |    5 ++++
 arch/arm/mach-shmobile/Makefile        |    1 
 arch/arm/mach-shmobile/setup-r8a7743.c |   34 +++++++++++++++++++++++++++++++++
 3 files changed, 40 insertions(+)

Index: renesas/arch/arm/mach-shmobile/Kconfig
===================================================================
--- renesas.orig/arch/arm/mach-shmobile/Kconfig
+++ renesas/arch/arm/mach-shmobile/Kconfig
@@ -68,6 +68,11 @@ config ARCH_R8A7740
        select ARCH_RMOBILE
        select RENESAS_INTC_IRQPIN
 
+config ARCH_R8A7743
+       bool "RZ/G1M (R8A77430)"
+       select ARCH_RCAR_GEN2
+       select I2C
+
 config ARCH_R8A7778
        bool "R-Car M1A (R8A77781)"
        select ARCH_RCAR_GEN1
Index: renesas/arch/arm/mach-shmobile/Makefile
===================================================================
--- renesas.orig/arch/arm/mach-shmobile/Makefile
+++ renesas/arch/arm/mach-shmobile/Makefile
@@ -9,6 +9,7 @@ obj-y                           := timer.o
 obj-$(CONFIG_ARCH_SH73A0)      += setup-sh73a0.o
 obj-$(CONFIG_ARCH_R8A73A4)     += setup-r8a73a4.o
 obj-$(CONFIG_ARCH_R8A7740)     += setup-r8a7740.o
+obj-$(CONFIG_ARCH_R8A7743)     += setup-r8a7743.o
 obj-$(CONFIG_ARCH_R8A7778)     += setup-r8a7778.o
 obj-$(CONFIG_ARCH_R8A7779)     += setup-r8a7779.o pm-r8a7779.o
 obj-$(CONFIG_ARCH_R8A7790)     += setup-r8a7790.o
Index: renesas/arch/arm/mach-shmobile/setup-r8a7743.c
===================================================================
--- /dev/null
+++ renesas/arch/arm/mach-shmobile/setup-r8a7743.c
@@ -0,0 +1,34 @@
+/*
+ * r8a7743 processor support
+ *
+ * Copyright (C) 2016 Cogent Embedded, Inc.
+ *
+ * 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; of the License.
+ *
+ * This program is distributed in the hope that 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.
+ */
+
+#include <linux/init.h>
+
+#include <asm/mach/arch.h>
+
+#include "common.h"
+#include "rcar-gen2.h"
+
+static const char * const r8a7743_boards_compat_dt[] __initconst = {
+       "renesas,r8a7743",
+       NULL,
+};
+
+DT_MACHINE_START(R8A7743_DT, "Generic R8A7743 (Flattened Device Tree)")
+       .init_early     = shmobile_init_delay,
+       .init_time      = rcar_gen2_timer_init,
+       .init_late      = shmobile_init_late,
+       .reserve        = rcar_gen2_reserve,
+       .dt_compat      = r8a7743_boards_compat_dt,
+MACHINE_END

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