Merge tag 'renesas-drivers-for-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers

Renesas ARM Based SoC Drivers Updates for v4.10

* Add support for the r8a7743 SoC to rcar-sysc

* tag 'renesas-drivers-for-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  soc: renesas: rcar-sysc: add R8A7743 support
  ARM: shmobile: r8a7743: add power domain index macros

Signed-off-by: Olof Johansson <olof@lixom.net>

6 files changed, 66 insertions, 3 deletions

diff --git a/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt b/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt
index 0725fb37a973..c16ec1866ac4 100644
--- a/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt
+++ b/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt
@@ -1,12 +1,13 @@
-DT bindings for the Renesas R-Car System Controller
+DT bindings for the Renesas R-Car (RZ/G) System Controller
 
 == System Controller Node ==
 
-The R-Car System Controller provides power management for the CPU cores and
-various coprocessors.
+The R-Car (RZ/G) System Controller provides power management for the CPU cores
+and various coprocessors.
 
 Required properties:
   - compatible: Must contain exactly one of the following:
+      - "renesas,r8a7743-sysc" (RZ/G1M)
       - "renesas,r8a7779-sysc" (R-Car H1)
       - "renesas,r8a7790-sysc" (R-Car H2)
       - "renesas,r8a7791-sysc" (R-Car M2-W)
diff --git a/drivers/soc/renesas/Makefile b/drivers/soc/renesas/Makefile
index 623039c3514c..9e0bb329594c 100644
--- a/drivers/soc/renesas/Makefile
+++ b/drivers/soc/renesas/Makefile
@@ -1,3 +1,4 @@
+obj-$(CONFIG_ARCH_R8A7743)	+= rcar-sysc.o r8a7743-sysc.o
 obj-$(CONFIG_ARCH_R8A7779)	+= rcar-sysc.o r8a7779-sysc.o
 obj-$(CONFIG_ARCH_R8A7790)	+= rcar-sysc.o r8a7790-sysc.o
 obj-$(CONFIG_ARCH_R8A7791)	+= rcar-sysc.o r8a7791-sysc.o
diff --git a/drivers/soc/renesas/r8a7743-sysc.c b/drivers/soc/renesas/r8a7743-sysc.c
new file mode 100644
index 000000000000..9583a327d90c
--- /dev/null
+++ b/drivers/soc/renesas/r8a7743-sysc.c
@@ -0,0 +1,32 @@
+/*
+ * Renesas RZ/G1M System Controller
+ *
+ * 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.
+ */
+
+#include <linux/bug.h>
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a7743-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a7743_areas[] __initconst = {
+	{ "always-on",	    0, 0, R8A7743_PD_ALWAYS_ON,	-1, PD_ALWAYS_ON },
+	{ "ca15-scu",	0x180, 0, R8A7743_PD_CA15_SCU,	R8A7743_PD_ALWAYS_ON,
+	  PD_SCU },
+	{ "ca15-cpu0",	 0x40, 0, R8A7743_PD_CA15_CPU0,	R8A7743_PD_CA15_SCU,
+	  PD_CPU_NOCR },
+	{ "ca15-cpu1",	 0x40, 1, R8A7743_PD_CA15_CPU1,	R8A7743_PD_CA15_SCU,
+	  PD_CPU_NOCR },
+	{ "sgx",	 0xc0, 0, R8A7743_PD_SGX,	R8A7743_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a7743_sysc_info __initconst = {
+	.areas = r8a7743_areas,
+	.num_areas = ARRAY_SIZE(r8a7743_areas),
+};
diff --git a/drivers/soc/renesas/rcar-sysc.c b/drivers/soc/renesas/rcar-sysc.c
index 65c8e1eb90c0..71acd45b13f0 100644
--- a/drivers/soc/renesas/rcar-sysc.c
+++ b/drivers/soc/renesas/rcar-sysc.c
@@ -275,6 +275,9 @@ finalize:
 }
 
 static const struct of_device_id rcar_sysc_matches[] = {
+#ifdef CONFIG_ARCH_R8A7743
+	{ .compatible = "renesas,r8a7743-sysc", .data = &r8a7743_sysc_info },
+#endif
 #ifdef CONFIG_ARCH_R8A7779
 	{ .compatible = "renesas,r8a7779-sysc", .data = &r8a7779_sysc_info },
 #endif
diff --git a/drivers/soc/renesas/rcar-sysc.h b/drivers/soc/renesas/rcar-sysc.h
index 77dbe861473f..8ab9ca8a825a 100644
--- a/drivers/soc/renesas/rcar-sysc.h
+++ b/drivers/soc/renesas/rcar-sysc.h
@@ -50,6 +50,7 @@ struct rcar_sysc_info {
 	unsigned int num_areas;
 };
 
+extern const struct rcar_sysc_info r8a7743_sysc_info;
 extern const struct rcar_sysc_info r8a7779_sysc_info;
 extern const struct rcar_sysc_info r8a7790_sysc_info;
 extern const struct rcar_sysc_info r8a7791_sysc_info;
diff --git a/include/dt-bindings/power/r8a7743-sysc.h b/include/dt-bindings/power/r8a7743-sysc.h
new file mode 100644
index 000000000000..61cfbb2907ea
--- /dev/null
+++ b/include/dt-bindings/power/r8a7743-sysc.h
@@ -0,0 +1,25 @@
+/*
+ * 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.
+ */
+#ifndef __DT_BINDINGS_POWER_R8A7743_SYSC_H__
+#define __DT_BINDINGS_POWER_R8A7743_SYSC_H__
+
+/*
+ * These power domain indices match the numbers of the interrupt bits
+ * representing the power areas in the various Interrupt Registers
+ * (e.g. SYSCISR, Interrupt Status Register)
+ */
+
+#define R8A7743_PD_CA15_CPU0		 0
+#define R8A7743_PD_CA15_CPU1		 1
+#define R8A7743_PD_CA15_SCU		12
+#define R8A7743_PD_SGX			20
+
+/* Always-on power area */
+#define R8A7743_PD_ALWAYS_ON		32
+
+#endif /* __DT_BINDINGS_POWER_R8A7743_SYSC_H__ */