pmdomain: Rename the genpd subsystem to pmdomain

It has been pointed out that naming a subsystem "genpd" isn't very
self-explanatory and the acronym itself that means Generic PM Domain, is
known only by a limited group of people.

In a way to improve the situation, let's rename the subsystem to pmdomain,
which ideally should indicate that this is about so called Power Domains or
"PM domains" as we often also use within the Linux Kernel terminology.

Suggested-by: Rafael J. Wysocki <rafael@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230912221127.487327-1-ulf.hansson@linaro.org

29 files changed, 2388 insertions, 0 deletions

diff --git a/drivers/pmdomain/renesas/Makefile b/drivers/pmdomain/renesas/Makefile
new file mode 100644
index 000000000000..e306e396fc8c
--- /dev/null
+++ b/drivers/pmdomain/renesas/Makefile
@@ -0,0 +1,30 @@
+# SPDX-License-Identifier: GPL-2.0
+# SoC
+obj-$(CONFIG_SYSC_R8A7742)	+= r8a7742-sysc.o
+obj-$(CONFIG_SYSC_R8A7743)	+= r8a7743-sysc.o
+obj-$(CONFIG_SYSC_R8A7745)	+= r8a7745-sysc.o
+obj-$(CONFIG_SYSC_R8A77470)	+= r8a77470-sysc.o
+obj-$(CONFIG_SYSC_R8A774A1)	+= r8a774a1-sysc.o
+obj-$(CONFIG_SYSC_R8A774B1)	+= r8a774b1-sysc.o
+obj-$(CONFIG_SYSC_R8A774C0)	+= r8a774c0-sysc.o
+obj-$(CONFIG_SYSC_R8A774E1)	+= r8a774e1-sysc.o
+obj-$(CONFIG_SYSC_R8A7779)	+= r8a7779-sysc.o
+obj-$(CONFIG_SYSC_R8A7790)	+= r8a7790-sysc.o
+obj-$(CONFIG_SYSC_R8A7791)	+= r8a7791-sysc.o
+obj-$(CONFIG_SYSC_R8A7792)	+= r8a7792-sysc.o
+obj-$(CONFIG_SYSC_R8A7794)	+= r8a7794-sysc.o
+obj-$(CONFIG_SYSC_R8A7795)	+= r8a7795-sysc.o
+obj-$(CONFIG_SYSC_R8A77960)	+= r8a7796-sysc.o
+obj-$(CONFIG_SYSC_R8A77961)	+= r8a7796-sysc.o
+obj-$(CONFIG_SYSC_R8A77965)	+= r8a77965-sysc.o
+obj-$(CONFIG_SYSC_R8A77970)	+= r8a77970-sysc.o
+obj-$(CONFIG_SYSC_R8A77980)	+= r8a77980-sysc.o
+obj-$(CONFIG_SYSC_R8A77990)	+= r8a77990-sysc.o
+obj-$(CONFIG_SYSC_R8A77995)	+= r8a77995-sysc.o
+obj-$(CONFIG_SYSC_R8A779A0)	+= r8a779a0-sysc.o
+obj-$(CONFIG_SYSC_R8A779F0)	+= r8a779f0-sysc.o
+obj-$(CONFIG_SYSC_R8A779G0)	+= r8a779g0-sysc.o
+# Family
+obj-$(CONFIG_SYSC_RCAR)		+= rcar-sysc.o
+obj-$(CONFIG_SYSC_RCAR_GEN4)	+= rcar-gen4-sysc.o
+obj-$(CONFIG_SYSC_RMOBILE)	+= rmobile-sysc.o
diff --git a/drivers/pmdomain/renesas/r8a7742-sysc.c b/drivers/pmdomain/renesas/r8a7742-sysc.c
new file mode 100644
index 000000000000..219a675f83f4
--- /dev/null
+++ b/drivers/pmdomain/renesas/r8a7742-sysc.c
@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas RZ/G1H System Controller
+ *
+ * Copyright (C) 2020 Renesas Electronics Corp.
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a7742-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a7742_areas[] __initconst = {
+	{ "always-on",	    0, 0, R8A7742_PD_ALWAYS_ON,	-1, PD_ALWAYS_ON },
+	{ "ca15-scu",	0x180, 0, R8A7742_PD_CA15_SCU,	R8A7742_PD_ALWAYS_ON,
+	  PD_SCU },
+	{ "ca15-cpu0",	 0x40, 0, R8A7742_PD_CA15_CPU0,	R8A7742_PD_CA15_SCU,
+	  PD_CPU_NOCR },
+	{ "ca15-cpu1",	 0x40, 1, R8A7742_PD_CA15_CPU1,	R8A7742_PD_CA15_SCU,
+	  PD_CPU_NOCR },
+	{ "ca15-cpu2",	 0x40, 2, R8A7742_PD_CA15_CPU2,	R8A7742_PD_CA15_SCU,
+	  PD_CPU_NOCR },
+	{ "ca15-cpu3",	 0x40, 3, R8A7742_PD_CA15_CPU3,	R8A7742_PD_CA15_SCU,
+	  PD_CPU_NOCR },
+	{ "ca7-scu",	0x100, 0, R8A7742_PD_CA7_SCU,	R8A7742_PD_ALWAYS_ON,
+	  PD_SCU },
+	{ "ca7-cpu0",	0x1c0, 0, R8A7742_PD_CA7_CPU0,	R8A7742_PD_CA7_SCU,
+	  PD_CPU_NOCR },
+	{ "ca7-cpu1",	0x1c0, 1, R8A7742_PD_CA7_CPU1,	R8A7742_PD_CA7_SCU,
+	  PD_CPU_NOCR },
+	{ "ca7-cpu2",	0x1c0, 2, R8A7742_PD_CA7_CPU2,	R8A7742_PD_CA7_SCU,
+	  PD_CPU_NOCR },
+	{ "ca7-cpu3",	0x1c0, 3, R8A7742_PD_CA7_CPU3,	R8A7742_PD_CA7_SCU,
+	  PD_CPU_NOCR },
+	{ "rgx",	 0xc0, 0, R8A7742_PD_RGX,	R8A7742_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a7742_sysc_info __initconst = {
+	.areas = r8a7742_areas,
+	.num_areas = ARRAY_SIZE(r8a7742_areas),
+};
diff --git a/drivers/pmdomain/renesas/r8a7743-sysc.c b/drivers/pmdomain/renesas/r8a7743-sysc.c
new file mode 100644
index 000000000000..4e2c0ab951b3
--- /dev/null
+++ b/drivers/pmdomain/renesas/r8a7743-sysc.c
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas RZ/G1M System Controller
+ *
+ * Copyright (C) 2016 Cogent Embedded Inc.
+ */
+
+#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/pmdomain/renesas/r8a7745-sysc.c b/drivers/pmdomain/renesas/r8a7745-sysc.c
new file mode 100644
index 000000000000..865821a2f0c6
--- /dev/null
+++ b/drivers/pmdomain/renesas/r8a7745-sysc.c
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas RZ/G1E System Controller
+ *
+ * Copyright (C) 2016 Cogent Embedded Inc.
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a7745-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a7745_areas[] __initconst = {
+	{ "always-on",	    0, 0, R8A7745_PD_ALWAYS_ON,	-1, PD_ALWAYS_ON },
+	{ "ca7-scu",	0x100, 0, R8A7745_PD_CA7_SCU,	R8A7745_PD_ALWAYS_ON,
+	  PD_SCU },
+	{ "ca7-cpu0",	0x1c0, 0, R8A7745_PD_CA7_CPU0,	R8A7745_PD_CA7_SCU,
+	  PD_CPU_NOCR },
+	{ "ca7-cpu1",	0x1c0, 1, R8A7745_PD_CA7_CPU1,	R8A7745_PD_CA7_SCU,
+	  PD_CPU_NOCR },
+	{ "sgx",	 0xc0, 0, R8A7745_PD_SGX,	R8A7745_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a7745_sysc_info __initconst = {
+	.areas = r8a7745_areas,
+	.num_areas = ARRAY_SIZE(r8a7745_areas),
+};
diff --git a/drivers/pmdomain/renesas/r8a77470-sysc.c b/drivers/pmdomain/renesas/r8a77470-sysc.c
new file mode 100644
index 000000000000..1eeb8018df50
--- /dev/null
+++ b/drivers/pmdomain/renesas/r8a77470-sysc.c
@@ -0,0 +1,28 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas RZ/G1C System Controller
+ *
+ * Copyright (C) 2018 Renesas Electronics Corp.
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a77470-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a77470_areas[] __initconst = {
+	{ "always-on",	    0, 0, R8A77470_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+	{ "ca7-scu",	0x100, 0, R8A77470_PD_CA7_SCU,	R8A77470_PD_ALWAYS_ON,
+	  PD_SCU },
+	{ "ca7-cpu0",	0x1c0, 0, R8A77470_PD_CA7_CPU0,	R8A77470_PD_CA7_SCU,
+	  PD_CPU_NOCR },
+	{ "ca7-cpu1",	0x1c0, 1, R8A77470_PD_CA7_CPU1,	R8A77470_PD_CA7_SCU,
+	  PD_CPU_NOCR },
+	{ "sgx",	 0xc0, 0, R8A77470_PD_SGX, R8A77470_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a77470_sysc_info __initconst = {
+	.areas = r8a77470_areas,
+	.num_areas = ARRAY_SIZE(r8a77470_areas),
+};
diff --git a/drivers/pmdomain/renesas/r8a774a1-sysc.c b/drivers/pmdomain/renesas/r8a774a1-sysc.c
new file mode 100644
index 000000000000..38ac2c689ff0
--- /dev/null
+++ b/drivers/pmdomain/renesas/r8a774a1-sysc.c
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas RZ/G2M System Controller
+ * Copyright (C) 2018 Renesas Electronics Corp.
+ *
+ * Based on Renesas R-Car M3-W System Controller
+ * Copyright (C) 2016 Glider bvba
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a774a1-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a774a1_areas[] __initconst = {
+	{ "always-on",	    0, 0, R8A774A1_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+	{ "ca57-scu",	0x1c0, 0, R8A774A1_PD_CA57_SCU,	R8A774A1_PD_ALWAYS_ON,
+	  PD_SCU },
+	{ "ca57-cpu0",	 0x80, 0, R8A774A1_PD_CA57_CPU0, R8A774A1_PD_CA57_SCU,
+	  PD_CPU_NOCR },
+	{ "ca57-cpu1",	 0x80, 1, R8A774A1_PD_CA57_CPU1, R8A774A1_PD_CA57_SCU,
+	  PD_CPU_NOCR },
+	{ "ca53-scu",	0x140, 0, R8A774A1_PD_CA53_SCU,	R8A774A1_PD_ALWAYS_ON,
+	  PD_SCU },
+	{ "ca53-cpu0",	0x200, 0, R8A774A1_PD_CA53_CPU0, R8A774A1_PD_CA53_SCU,
+	  PD_CPU_NOCR },
+	{ "ca53-cpu1",	0x200, 1, R8A774A1_PD_CA53_CPU1, R8A774A1_PD_CA53_SCU,
+	  PD_CPU_NOCR },
+	{ "ca53-cpu2",	0x200, 2, R8A774A1_PD_CA53_CPU2, R8A774A1_PD_CA53_SCU,
+	  PD_CPU_NOCR },
+	{ "ca53-cpu3",	0x200, 3, R8A774A1_PD_CA53_CPU3, R8A774A1_PD_CA53_SCU,
+	  PD_CPU_NOCR },
+	{ "a3vc",	0x380, 0, R8A774A1_PD_A3VC,	R8A774A1_PD_ALWAYS_ON },
+	{ "a2vc0",	0x3c0, 0, R8A774A1_PD_A2VC0,	R8A774A1_PD_A3VC },
+	{ "a2vc1",	0x3c0, 1, R8A774A1_PD_A2VC1,	R8A774A1_PD_A3VC },
+	{ "3dg-a",	0x100, 0, R8A774A1_PD_3DG_A,	R8A774A1_PD_ALWAYS_ON },
+	{ "3dg-b",	0x100, 1, R8A774A1_PD_3DG_B,	R8A774A1_PD_3DG_A },
+};
+
+const struct rcar_sysc_info r8a774a1_sysc_info __initconst = {
+	.areas = r8a774a1_areas,
+	.num_areas = ARRAY_SIZE(r8a774a1_areas),
+};
diff --git a/drivers/pmdomain/renesas/r8a774b1-sysc.c b/drivers/pmdomain/renesas/r8a774b1-sysc.c
new file mode 100644
index 000000000000..5f97ff26f3f8
--- /dev/null
+++ b/drivers/pmdomain/renesas/r8a774b1-sysc.c
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas RZ/G2N System Controller
+ * Copyright (C) 2019 Renesas Electronics Corp.
+ *
+ * Based on Renesas R-Car M3-W System Controller
+ * Copyright (C) 2016 Glider bvba
+ */
+
+#include <linux/bits.h>
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a774b1-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a774b1_areas[] __initconst = {
+	{ "always-on",	    0, 0, R8A774B1_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+	{ "ca57-scu",	0x1c0, 0, R8A774B1_PD_CA57_SCU,	R8A774B1_PD_ALWAYS_ON,
+	  PD_SCU },
+	{ "ca57-cpu0",	 0x80, 0, R8A774B1_PD_CA57_CPU0, R8A774B1_PD_CA57_SCU,
+	  PD_CPU_NOCR },
+	{ "ca57-cpu1",	 0x80, 1, R8A774B1_PD_CA57_CPU1, R8A774B1_PD_CA57_SCU,
+	  PD_CPU_NOCR },
+	{ "a3vc",	0x380, 0, R8A774B1_PD_A3VC,	R8A774B1_PD_ALWAYS_ON },
+	{ "a3vp",	0x340, 0, R8A774B1_PD_A3VP,	R8A774B1_PD_ALWAYS_ON },
+	{ "a2vc1",	0x3c0, 1, R8A774B1_PD_A2VC1,	R8A774B1_PD_A3VC },
+	{ "3dg-a",	0x100, 0, R8A774B1_PD_3DG_A,	R8A774B1_PD_ALWAYS_ON },
+	{ "3dg-b",	0x100, 1, R8A774B1_PD_3DG_B,	R8A774B1_PD_3DG_A },
+};
+
+const struct rcar_sysc_info r8a774b1_sysc_info __initconst = {
+	.areas = r8a774b1_areas,
+	.num_areas = ARRAY_SIZE(r8a774b1_areas),
+	.extmask_offs = 0x2f8,
+	.extmask_val = BIT(0),
+};
diff --git a/drivers/pmdomain/renesas/r8a774c0-sysc.c b/drivers/pmdomain/renesas/r8a774c0-sysc.c
new file mode 100644
index 000000000000..c1c216f7d073
--- /dev/null
+++ b/drivers/pmdomain/renesas/r8a774c0-sysc.c
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas RZ/G2E System Controller
+ * Copyright (C) 2018 Renesas Electronics Corp.
+ *
+ * Based on Renesas R-Car E3 System Controller
+ */
+
+#include <linux/bits.h>
+#include <linux/kernel.h>
+#include <linux/sys_soc.h>
+
+#include <dt-bindings/power/r8a774c0-sysc.h>
+
+#include "rcar-sysc.h"
+
+static struct rcar_sysc_area r8a774c0_areas[] __initdata = {
+	{ "always-on",	    0, 0, R8A774C0_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+	{ "ca53-scu",	0x140, 0, R8A774C0_PD_CA53_SCU,  R8A774C0_PD_ALWAYS_ON,
+	  PD_SCU },
+	{ "ca53-cpu0",	0x200, 0, R8A774C0_PD_CA53_CPU0, R8A774C0_PD_CA53_SCU,
+	  PD_CPU_NOCR },
+	{ "ca53-cpu1",	0x200, 1, R8A774C0_PD_CA53_CPU1, R8A774C0_PD_CA53_SCU,
+	  PD_CPU_NOCR },
+	{ "a3vc",	0x380, 0, R8A774C0_PD_A3VC,	R8A774C0_PD_ALWAYS_ON },
+	{ "a2vc1",	0x3c0, 1, R8A774C0_PD_A2VC1,	R8A774C0_PD_A3VC },
+	{ "3dg-a",	0x100, 0, R8A774C0_PD_3DG_A,	R8A774C0_PD_ALWAYS_ON },
+	{ "3dg-b",	0x100, 1, R8A774C0_PD_3DG_B,	R8A774C0_PD_3DG_A },
+};
+
+/* Fixups for RZ/G2E ES1.0 revision */
+static const struct soc_device_attribute r8a774c0[] __initconst = {
+	{ .soc_id = "r8a774c0", .revision = "ES1.0" },
+	{ /* sentinel */ }
+};
+
+static int __init r8a774c0_sysc_init(void)
+{
+	if (soc_device_match(r8a774c0)) {
+		/* Fix incorrect 3DG hierarchy */
+		swap(r8a774c0_areas[6], r8a774c0_areas[7]);
+		r8a774c0_areas[6].parent = R8A774C0_PD_ALWAYS_ON;
+		r8a774c0_areas[7].parent = R8A774C0_PD_3DG_B;
+	}
+
+	return 0;
+}
+
+const struct rcar_sysc_info r8a774c0_sysc_info __initconst = {
+	.init = r8a774c0_sysc_init,
+	.areas = r8a774c0_areas,
+	.num_areas = ARRAY_SIZE(r8a774c0_areas),
+	.extmask_offs = 0x2f8,
+	.extmask_val = BIT(0),
+};
diff --git a/drivers/pmdomain/renesas/r8a774e1-sysc.c b/drivers/pmdomain/renesas/r8a774e1-sysc.c
new file mode 100644
index 000000000000..18449f746455
--- /dev/null
+++ b/drivers/pmdomain/renesas/r8a774e1-sysc.c
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas RZ/G2H System Controller
+ * Copyright (C) 2020 Renesas Electronics Corp.
+ *
+ * Based on Renesas R-Car H3 System Controller
+ * Copyright (C) 2016-2017 Glider bvba
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a774e1-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a774e1_areas[] __initconst = {
+	{ "always-on",	    0, 0, R8A774E1_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+	{ "ca57-scu",	0x1c0, 0, R8A774E1_PD_CA57_SCU, R8A774E1_PD_ALWAYS_ON, PD_SCU },
+	{ "ca57-cpu0",	 0x80, 0, R8A774E1_PD_CA57_CPU0, R8A774E1_PD_CA57_SCU, PD_CPU_NOCR },
+	{ "ca57-cpu1",	 0x80, 1, R8A774E1_PD_CA57_CPU1, R8A774E1_PD_CA57_SCU, PD_CPU_NOCR },
+	{ "ca57-cpu2",	 0x80, 2, R8A774E1_PD_CA57_CPU2, R8A774E1_PD_CA57_SCU, PD_CPU_NOCR },
+	{ "ca57-cpu3",	 0x80, 3, R8A774E1_PD_CA57_CPU3, R8A774E1_PD_CA57_SCU, PD_CPU_NOCR },
+	{ "ca53-scu",	0x140, 0, R8A774E1_PD_CA53_SCU, R8A774E1_PD_ALWAYS_ON, PD_SCU },
+	{ "ca53-cpu0",	0x200, 0, R8A774E1_PD_CA53_CPU0, R8A774E1_PD_CA53_SCU, PD_CPU_NOCR },
+	{ "ca53-cpu1",	0x200, 1, R8A774E1_PD_CA53_CPU1, R8A774E1_PD_CA53_SCU, PD_CPU_NOCR },
+	{ "ca53-cpu2",	0x200, 2, R8A774E1_PD_CA53_CPU2, R8A774E1_PD_CA53_SCU, PD_CPU_NOCR },
+	{ "ca53-cpu3",	0x200, 3, R8A774E1_PD_CA53_CPU3, R8A774E1_PD_CA53_SCU, PD_CPU_NOCR },
+	{ "a3vp",	0x340, 0, R8A774E1_PD_A3VP, R8A774E1_PD_ALWAYS_ON },
+	{ "a3vc",	0x380, 0, R8A774E1_PD_A3VC, R8A774E1_PD_ALWAYS_ON },
+	{ "a2vc1",	0x3c0, 1, R8A774E1_PD_A2VC1, R8A774E1_PD_A3VC },
+	{ "3dg-a",	0x100, 0, R8A774E1_PD_3DG_A, R8A774E1_PD_ALWAYS_ON },
+	{ "3dg-b",	0x100, 1, R8A774E1_PD_3DG_B, R8A774E1_PD_3DG_A },
+	{ "3dg-c",	0x100, 2, R8A774E1_PD_3DG_C, R8A774E1_PD_3DG_B },
+	{ "3dg-d",	0x100, 3, R8A774E1_PD_3DG_D, R8A774E1_PD_3DG_C },
+	{ "3dg-e",	0x100, 4, R8A774E1_PD_3DG_E, R8A774E1_PD_3DG_D },
+};
+
+const struct rcar_sysc_info r8a774e1_sysc_info __initconst = {
+	.areas = r8a774e1_areas,
+	.num_areas = ARRAY_SIZE(r8a774e1_areas),
+	.extmask_offs = 0x2f8,
+	.extmask_val = BIT(0),
+};
diff --git a/drivers/pmdomain/renesas/r8a7779-sysc.c b/drivers/pmdomain/renesas/r8a7779-sysc.c
new file mode 100644
index 000000000000..e24a7151d55f
--- /dev/null
+++ b/drivers/pmdomain/renesas/r8a7779-sysc.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car H1 System Controller
+ *
+ * Copyright (C) 2016 Glider bvba
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a7779-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a7779_areas[] __initconst = {
+	{ "always-on",	    0, 0, R8A7779_PD_ALWAYS_ON,	-1, PD_ALWAYS_ON },
+	{ "arm1",	 0x40, 1, R8A7779_PD_ARM1,	R8A7779_PD_ALWAYS_ON,
+	  PD_CPU_CR },
+	{ "arm2",	 0x40, 2, R8A7779_PD_ARM2,	R8A7779_PD_ALWAYS_ON,
+	  PD_CPU_CR },
+	{ "arm3",	 0x40, 3, R8A7779_PD_ARM3,	R8A7779_PD_ALWAYS_ON,
+	  PD_CPU_CR },
+	{ "sgx",	 0xc0, 0, R8A7779_PD_SGX,	R8A7779_PD_ALWAYS_ON },
+	{ "vdp",	0x100, 0, R8A7779_PD_VDP,	R8A7779_PD_ALWAYS_ON },
+	{ "imp",	0x140, 0, R8A7779_PD_IMP,	R8A7779_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a7779_sysc_info __initconst = {
+	.areas = r8a7779_areas,
+	.num_areas = ARRAY_SIZE(r8a7779_areas),
+};
diff --git a/drivers/pmdomain/renesas/r8a7790-sysc.c b/drivers/pmdomain/renesas/r8a7790-sysc.c
new file mode 100644
index 000000000000..b9afe7f6245b
--- /dev/null
+++ b/drivers/pmdomain/renesas/r8a7790-sysc.c
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car H2 System Controller
+ *
+ * Copyright (C) 2016 Glider bvba
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a7790-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a7790_areas[] __initconst = {
+	{ "always-on",	    0, 0, R8A7790_PD_ALWAYS_ON,	-1, PD_ALWAYS_ON },
+	{ "ca15-scu",	0x180, 0, R8A7790_PD_CA15_SCU,	R8A7790_PD_ALWAYS_ON,
+	  PD_SCU },
+	{ "ca15-cpu0",	 0x40, 0, R8A7790_PD_CA15_CPU0,	R8A7790_PD_CA15_SCU,
+	  PD_CPU_NOCR },
+	{ "ca15-cpu1",	 0x40, 1, R8A7790_PD_CA15_CPU1,	R8A7790_PD_CA15_SCU,
+	  PD_CPU_NOCR },
+	{ "ca15-cpu2",	 0x40, 2, R8A7790_PD_CA15_CPU2,	R8A7790_PD_CA15_SCU,
+	  PD_CPU_NOCR },
+	{ "ca15-cpu3",	 0x40, 3, R8A7790_PD_CA15_CPU3,	R8A7790_PD_CA15_SCU,
+	  PD_CPU_NOCR },
+	{ "ca7-scu",	0x100, 0, R8A7790_PD_CA7_SCU,	R8A7790_PD_ALWAYS_ON,
+	  PD_SCU },
+	{ "ca7-cpu0",	0x1c0, 0, R8A7790_PD_CA7_CPU0,	R8A7790_PD_CA7_SCU,
+	  PD_CPU_NOCR },
+	{ "ca7-cpu1",	0x1c0, 1, R8A7790_PD_CA7_CPU1,	R8A7790_PD_CA7_SCU,
+	  PD_CPU_NOCR },
+	{ "ca7-cpu2",	0x1c0, 2, R8A7790_PD_CA7_CPU2,	R8A7790_PD_CA7_SCU,
+	  PD_CPU_NOCR },
+	{ "ca7-cpu3",	0x1c0, 3, R8A7790_PD_CA7_CPU3,	R8A7790_PD_CA7_SCU,
+	  PD_CPU_NOCR },
+	{ "sh-4a",	 0x80, 0, R8A7790_PD_SH_4A,	R8A7790_PD_ALWAYS_ON },
+	{ "rgx",	 0xc0, 0, R8A7790_PD_RGX,	R8A7790_PD_ALWAYS_ON },
+	{ "imp",	0x140, 0, R8A7790_PD_IMP,	R8A7790_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a7790_sysc_info __initconst = {
+	.areas = r8a7790_areas,
+	.num_areas = ARRAY_SIZE(r8a7790_areas),
+};
diff --git a/drivers/pmdomain/renesas/r8a7791-sysc.c b/drivers/pmdomain/renesas/r8a7791-sysc.c
new file mode 100644
index 000000000000..f00fa24522a3
--- /dev/null
+++ b/drivers/pmdomain/renesas/r8a7791-sysc.c
@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car M2-W/N System Controller
+ *
+ * Copyright (C) 2016 Glider bvba
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a7791-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a7791_areas[] __initconst = {
+	{ "always-on",	    0, 0, R8A7791_PD_ALWAYS_ON,	-1, PD_ALWAYS_ON },
+	{ "ca15-scu",	0x180, 0, R8A7791_PD_CA15_SCU,	R8A7791_PD_ALWAYS_ON,
+	  PD_SCU },
+	{ "ca15-cpu0",	 0x40, 0, R8A7791_PD_CA15_CPU0,	R8A7791_PD_CA15_SCU,
+	  PD_CPU_NOCR },
+	{ "ca15-cpu1",	 0x40, 1, R8A7791_PD_CA15_CPU1,	R8A7791_PD_CA15_SCU,
+	  PD_CPU_NOCR },
+	{ "sh-4a",	 0x80, 0, R8A7791_PD_SH_4A,	R8A7791_PD_ALWAYS_ON },
+	{ "sgx",	 0xc0, 0, R8A7791_PD_SGX,	R8A7791_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a7791_sysc_info __initconst = {
+	.areas = r8a7791_areas,
+	.num_areas = ARRAY_SIZE(r8a7791_areas),
+};
diff --git a/drivers/pmdomain/renesas/r8a7792-sysc.c b/drivers/pmdomain/renesas/r8a7792-sysc.c
new file mode 100644
index 000000000000..60aae242c43f
--- /dev/null
+++ b/drivers/pmdomain/renesas/r8a7792-sysc.c
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car V2H (R8A7792) System Controller
+ *
+ * Copyright (C) 2016 Cogent Embedded Inc.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a7792-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a7792_areas[] __initconst = {
+	{ "always-on",	    0, 0, R8A7792_PD_ALWAYS_ON,	-1, PD_ALWAYS_ON },
+	{ "ca15-scu",	0x180, 0, R8A7792_PD_CA15_SCU,	R8A7792_PD_ALWAYS_ON,
+	  PD_SCU },
+	{ "ca15-cpu0",	 0x40, 0, R8A7792_PD_CA15_CPU0,	R8A7792_PD_CA15_SCU,
+	  PD_CPU_NOCR },
+	{ "ca15-cpu1",	 0x40, 1, R8A7792_PD_CA15_CPU1,	R8A7792_PD_CA15_SCU,
+	  PD_CPU_NOCR },
+	{ "sgx",	 0xc0, 0, R8A7792_PD_SGX,	R8A7792_PD_ALWAYS_ON },
+	{ "imp",	0x140, 0, R8A7792_PD_IMP,	R8A7792_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a7792_sysc_info __initconst = {
+	.areas = r8a7792_areas,
+	.num_areas = ARRAY_SIZE(r8a7792_areas),
+};
diff --git a/drivers/pmdomain/renesas/r8a7794-sysc.c b/drivers/pmdomain/renesas/r8a7794-sysc.c
new file mode 100644
index 000000000000..72ef4e85458f
--- /dev/null
+++ b/drivers/pmdomain/renesas/r8a7794-sysc.c
@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car E2 System Controller
+ *
+ * Copyright (C) 2016 Glider bvba
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a7794-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a7794_areas[] __initconst = {
+	{ "always-on",	    0, 0, R8A7794_PD_ALWAYS_ON,	-1, PD_ALWAYS_ON },
+	{ "ca7-scu",	0x100, 0, R8A7794_PD_CA7_SCU,	R8A7794_PD_ALWAYS_ON,
+	  PD_SCU },
+	{ "ca7-cpu0",	0x1c0, 0, R8A7794_PD_CA7_CPU0,	R8A7794_PD_CA7_SCU,
+	  PD_CPU_NOCR },
+	{ "ca7-cpu1",	0x1c0, 1, R8A7794_PD_CA7_CPU1,	R8A7794_PD_CA7_SCU,
+	  PD_CPU_NOCR },
+	{ "sh-4a",	 0x80, 0, R8A7794_PD_SH_4A,	R8A7794_PD_ALWAYS_ON },
+	{ "sgx",	 0xc0, 0, R8A7794_PD_SGX,	R8A7794_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a7794_sysc_info __initconst = {
+	.areas = r8a7794_areas,
+	.num_areas = ARRAY_SIZE(r8a7794_areas),
+};
diff --git a/drivers/pmdomain/renesas/r8a7795-sysc.c b/drivers/pmdomain/renesas/r8a7795-sysc.c
new file mode 100644
index 000000000000..cbe1ff0fc583
--- /dev/null
+++ b/drivers/pmdomain/renesas/r8a7795-sysc.c
@@ -0,0 +1,86 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car H3 System Controller
+ *
+ * Copyright (C) 2016-2017 Glider bvba
+ */
+
+#include <linux/bits.h>
+#include <linux/kernel.h>
+#include <linux/sys_soc.h>
+
+#include <dt-bindings/power/r8a7795-sysc.h>
+
+#include "rcar-sysc.h"
+
+static struct rcar_sysc_area r8a7795_areas[] __initdata = {
+	{ "always-on",	    0, 0, R8A7795_PD_ALWAYS_ON,	-1, PD_ALWAYS_ON },
+	{ "ca57-scu",	0x1c0, 0, R8A7795_PD_CA57_SCU,	R8A7795_PD_ALWAYS_ON,
+	  PD_SCU },
+	{ "ca57-cpu0",	 0x80, 0, R8A7795_PD_CA57_CPU0,	R8A7795_PD_CA57_SCU,
+	  PD_CPU_NOCR },
+	{ "ca57-cpu1",	 0x80, 1, R8A7795_PD_CA57_CPU1,	R8A7795_PD_CA57_SCU,
+	  PD_CPU_NOCR },
+	{ "ca57-cpu2",	 0x80, 2, R8A7795_PD_CA57_CPU2,	R8A7795_PD_CA57_SCU,
+	  PD_CPU_NOCR },
+	{ "ca57-cpu3",	 0x80, 3, R8A7795_PD_CA57_CPU3,	R8A7795_PD_CA57_SCU,
+	  PD_CPU_NOCR },
+	{ "ca53-scu",	0x140, 0, R8A7795_PD_CA53_SCU,	R8A7795_PD_ALWAYS_ON,
+	  PD_SCU },
+	{ "ca53-cpu0",	0x200, 0, R8A7795_PD_CA53_CPU0,	R8A7795_PD_CA53_SCU,
+	  PD_CPU_NOCR },
+	{ "ca53-cpu1",	0x200, 1, R8A7795_PD_CA53_CPU1,	R8A7795_PD_CA53_SCU,
+	  PD_CPU_NOCR },
+	{ "ca53-cpu2",	0x200, 2, R8A7795_PD_CA53_CPU2,	R8A7795_PD_CA53_SCU,
+	  PD_CPU_NOCR },
+	{ "ca53-cpu3",	0x200, 3, R8A7795_PD_CA53_CPU3,	R8A7795_PD_CA53_SCU,
+	  PD_CPU_NOCR },
+	{ "a3vp",	0x340, 0, R8A7795_PD_A3VP,	R8A7795_PD_ALWAYS_ON },
+	{ "cr7",	0x240, 0, R8A7795_PD_CR7,	R8A7795_PD_ALWAYS_ON },
+	{ "a3vc",	0x380, 0, R8A7795_PD_A3VC,	R8A7795_PD_ALWAYS_ON },
+	{ "a2vc1",	0x3c0, 1, R8A7795_PD_A2VC1,	R8A7795_PD_A3VC },
+	{ "3dg-a",	0x100, 0, R8A7795_PD_3DG_A,	R8A7795_PD_ALWAYS_ON },
+	{ "3dg-b",	0x100, 1, R8A7795_PD_3DG_B,	R8A7795_PD_3DG_A },
+	{ "3dg-c",	0x100, 2, R8A7795_PD_3DG_C,	R8A7795_PD_3DG_B },
+	{ "3dg-d",	0x100, 3, R8A7795_PD_3DG_D,	R8A7795_PD_3DG_C },
+	{ "3dg-e",	0x100, 4, R8A7795_PD_3DG_E,	R8A7795_PD_3DG_D },
+	{ "a3ir",	0x180, 0, R8A7795_PD_A3IR,	R8A7795_PD_ALWAYS_ON },
+};
+
+
+	/*
+	 * Fixups for R-Car H3 revisions
+	 */
+
+#define NO_EXTMASK	BIT(1)		/* Missing SYSCEXTMASK register */
+
+static const struct soc_device_attribute r8a7795_quirks_match[] __initconst = {
+	{
+		.soc_id = "r8a7795", .revision = "ES2.*",
+		.data = (void *)(NO_EXTMASK),
+	},
+	{ /* sentinel */ }
+};
+
+static int __init r8a7795_sysc_init(void)
+{
+	const struct soc_device_attribute *attr;
+	u32 quirks = 0;
+
+	attr = soc_device_match(r8a7795_quirks_match);
+	if (attr)
+		quirks = (uintptr_t)attr->data;
+
+	if (quirks & NO_EXTMASK)
+		r8a7795_sysc_info.extmask_val = 0;
+
+	return 0;
+}
+
+struct rcar_sysc_info r8a7795_sysc_info __initdata = {
+	.init = r8a7795_sysc_init,
+	.areas = r8a7795_areas,
+	.num_areas = ARRAY_SIZE(r8a7795_areas),
+	.extmask_offs = 0x2f8,
+	.extmask_val = BIT(0),
+};
diff --git a/drivers/pmdomain/renesas/r8a7796-sysc.c b/drivers/pmdomain/renesas/r8a7796-sysc.c
new file mode 100644
index 000000000000..471bd5b3b6ad
--- /dev/null
+++ b/drivers/pmdomain/renesas/r8a7796-sysc.c
@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car M3-W/W+ System Controller
+ *
+ * Copyright (C) 2016 Glider bvba
+ * Copyright (C) 2018-2019 Renesas Electronics Corporation
+ */
+
+#include <linux/bits.h>
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a7796-sysc.h>
+
+#include "rcar-sysc.h"
+
+static struct rcar_sysc_area r8a7796_areas[] __initdata = {
+	{ "always-on",	    0, 0, R8A7796_PD_ALWAYS_ON,	-1, PD_ALWAYS_ON },
+	{ "ca57-scu",	0x1c0, 0, R8A7796_PD_CA57_SCU,	R8A7796_PD_ALWAYS_ON,
+	  PD_SCU },
+	{ "ca57-cpu0",	 0x80, 0, R8A7796_PD_CA57_CPU0,	R8A7796_PD_CA57_SCU,
+	  PD_CPU_NOCR },
+	{ "ca57-cpu1",	 0x80, 1, R8A7796_PD_CA57_CPU1,	R8A7796_PD_CA57_SCU,
+	  PD_CPU_NOCR },
+	{ "ca53-scu",	0x140, 0, R8A7796_PD_CA53_SCU,	R8A7796_PD_ALWAYS_ON,
+	  PD_SCU },
+	{ "ca53-cpu0",	0x200, 0, R8A7796_PD_CA53_CPU0,	R8A7796_PD_CA53_SCU,
+	  PD_CPU_NOCR },
+	{ "ca53-cpu1",	0x200, 1, R8A7796_PD_CA53_CPU1,	R8A7796_PD_CA53_SCU,
+	  PD_CPU_NOCR },
+	{ "ca53-cpu2",	0x200, 2, R8A7796_PD_CA53_CPU2,	R8A7796_PD_CA53_SCU,
+	  PD_CPU_NOCR },
+	{ "ca53-cpu3",	0x200, 3, R8A7796_PD_CA53_CPU3,	R8A7796_PD_CA53_SCU,
+	  PD_CPU_NOCR },
+	{ "cr7",	0x240, 0, R8A7796_PD_CR7,	R8A7796_PD_ALWAYS_ON },
+	{ "a3vc",	0x380, 0, R8A7796_PD_A3VC,	R8A7796_PD_ALWAYS_ON },
+	{ "a2vc0",	0x3c0, 0, R8A7796_PD_A2VC0,	R8A7796_PD_A3VC },
+	{ "a2vc1",	0x3c0, 1, R8A7796_PD_A2VC1,	R8A7796_PD_A3VC },
+	{ "3dg-a",	0x100, 0, R8A7796_PD_3DG_A,	R8A7796_PD_ALWAYS_ON },
+	{ "3dg-b",	0x100, 1, R8A7796_PD_3DG_B,	R8A7796_PD_3DG_A },
+	{ "a3ir",	0x180, 0, R8A7796_PD_A3IR,	R8A7796_PD_ALWAYS_ON },
+};
+
+
+#ifdef CONFIG_SYSC_R8A77960
+const struct rcar_sysc_info r8a77960_sysc_info __initconst = {
+	.areas = r8a7796_areas,
+	.num_areas = ARRAY_SIZE(r8a7796_areas),
+};
+#endif /* CONFIG_SYSC_R8A77960 */
+
+#ifdef CONFIG_SYSC_R8A77961
+static int __init r8a77961_sysc_init(void)
+{
+	rcar_sysc_nullify(r8a7796_areas, ARRAY_SIZE(r8a7796_areas),
+			  R8A7796_PD_A2VC0);
+
+	return 0;
+}
+
+const struct rcar_sysc_info r8a77961_sysc_info __initconst = {
+	.init = r8a77961_sysc_init,
+	.areas = r8a7796_areas,
+	.num_areas = ARRAY_SIZE(r8a7796_areas),
+	.extmask_offs = 0x2f8,
+	.extmask_val = BIT(0),
+};
+#endif /* CONFIG_SYSC_R8A77961 */
diff --git a/drivers/pmdomain/renesas/r8a77965-sysc.c b/drivers/pmdomain/renesas/r8a77965-sysc.c
new file mode 100644
index 000000000000..ff0b0d116992
--- /dev/null
+++ b/drivers/pmdomain/renesas/r8a77965-sysc.c
@@ -0,0 +1,38 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car M3-N System Controller
+ * Copyright (C) 2018 Jacopo Mondi <jacopo+renesas@jmondi.org>
+ *
+ * Based on Renesas R-Car M3-W System Controller
+ * Copyright (C) 2016 Glider bvba
+ */
+
+#include <linux/bits.h>
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a77965-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a77965_areas[] __initconst = {
+	{ "always-on",	    0, 0, R8A77965_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+	{ "ca57-scu",	0x1c0, 0, R8A77965_PD_CA57_SCU,	R8A77965_PD_ALWAYS_ON,
+	  PD_SCU },
+	{ "ca57-cpu0",	 0x80, 0, R8A77965_PD_CA57_CPU0, R8A77965_PD_CA57_SCU,
+	  PD_CPU_NOCR },
+	{ "ca57-cpu1",	 0x80, 1, R8A77965_PD_CA57_CPU1, R8A77965_PD_CA57_SCU,
+	  PD_CPU_NOCR },
+	{ "cr7",	0x240, 0, R8A77965_PD_CR7,	R8A77965_PD_ALWAYS_ON },
+	{ "a3vc",	0x380, 0, R8A77965_PD_A3VC,	R8A77965_PD_ALWAYS_ON },
+	{ "a3vp",	0x340, 0, R8A77965_PD_A3VP,	R8A77965_PD_ALWAYS_ON },
+	{ "a2vc1",	0x3c0, 1, R8A77965_PD_A2VC1,	R8A77965_PD_A3VC },
+	{ "3dg-a",	0x100, 0, R8A77965_PD_3DG_A,	R8A77965_PD_ALWAYS_ON },
+	{ "3dg-b",	0x100, 1, R8A77965_PD_3DG_B,	R8A77965_PD_3DG_A },
+};
+
+const struct rcar_sysc_info r8a77965_sysc_info __initconst = {
+	.areas = r8a77965_areas,
+	.num_areas = ARRAY_SIZE(r8a77965_areas),
+	.extmask_offs = 0x2f8,
+	.extmask_val = BIT(0),
+};
diff --git a/drivers/pmdomain/renesas/r8a77970-sysc.c b/drivers/pmdomain/renesas/r8a77970-sysc.c
new file mode 100644
index 000000000000..706258250600
--- /dev/null
+++ b/drivers/pmdomain/renesas/r8a77970-sysc.c
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car V3M System Controller
+ *
+ * Copyright (C) 2017 Cogent Embedded Inc.
+ */
+
+#include <linux/bits.h>
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a77970-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a77970_areas[] __initconst = {
+	{ "always-on",	    0, 0, R8A77970_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+	{ "ca53-scu",	0x140, 0, R8A77970_PD_CA53_SCU,	R8A77970_PD_ALWAYS_ON,
+	  PD_SCU },
+	{ "ca53-cpu0",	0x200, 0, R8A77970_PD_CA53_CPU0, R8A77970_PD_CA53_SCU,
+	  PD_CPU_NOCR },
+	{ "ca53-cpu1",	0x200, 1, R8A77970_PD_CA53_CPU1, R8A77970_PD_CA53_SCU,
+	  PD_CPU_NOCR },
+	{ "a3ir",	0x180, 0, R8A77970_PD_A3IR,	R8A77970_PD_ALWAYS_ON },
+	{ "a2ir0",	0x400, 0, R8A77970_PD_A2IR0,	R8A77970_PD_A3IR },
+	{ "a2ir1",	0x400, 1, R8A77970_PD_A2IR1,	R8A77970_PD_A3IR },
+	{ "a2dp",	0x400, 2, R8A77970_PD_A2DP,	R8A77970_PD_A3IR },
+	{ "a2cn",	0x400, 3, R8A77970_PD_A2CN,	R8A77970_PD_A3IR },
+	{ "a2sc0",	0x400, 4, R8A77970_PD_A2SC0,	R8A77970_PD_A3IR },
+	{ "a2sc1",	0x400, 5, R8A77970_PD_A2SC1,	R8A77970_PD_A3IR },
+};
+
+const struct rcar_sysc_info r8a77970_sysc_info __initconst = {
+	.areas = r8a77970_areas,
+	.num_areas = ARRAY_SIZE(r8a77970_areas),
+	.extmask_offs = 0x1b0,
+	.extmask_val = BIT(0),
+};
diff --git a/drivers/pmdomain/renesas/r8a77980-sysc.c b/drivers/pmdomain/renesas/r8a77980-sysc.c
new file mode 100644
index 000000000000..39ca84a67daa
--- /dev/null
+++ b/drivers/pmdomain/renesas/r8a77980-sysc.c
@@ -0,0 +1,54 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car V3H System Controller
+ *
+ * Copyright (C) 2018 Renesas Electronics Corp.
+ * Copyright (C) 2018 Cogent Embedded, Inc.
+ */
+
+#include <linux/bits.h>
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a77980-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a77980_areas[] __initconst = {
+	{ "always-on",	    0, 0, R8A77980_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+	{ "ca53-scu",	0x140, 0, R8A77980_PD_CA53_SCU,	R8A77980_PD_ALWAYS_ON,
+	  PD_SCU },
+	{ "ca53-cpu0",	0x200, 0, R8A77980_PD_CA53_CPU0, R8A77980_PD_CA53_SCU,
+	  PD_CPU_NOCR },
+	{ "ca53-cpu1",	0x200, 1, R8A77980_PD_CA53_CPU1, R8A77980_PD_CA53_SCU,
+	  PD_CPU_NOCR },
+	{ "ca53-cpu2",	0x200, 2, R8A77980_PD_CA53_CPU2, R8A77980_PD_CA53_SCU,
+	  PD_CPU_NOCR },
+	{ "ca53-cpu3",	0x200, 3, R8A77980_PD_CA53_CPU3, R8A77980_PD_CA53_SCU,
+	  PD_CPU_NOCR },
+	{ "cr7",	0x240, 0, R8A77980_PD_CR7,	R8A77980_PD_ALWAYS_ON },
+	{ "a3ir",	0x180, 0, R8A77980_PD_A3IR,	R8A77980_PD_ALWAYS_ON },
+	{ "a2ir0",	0x400, 0, R8A77980_PD_A2IR0,	R8A77980_PD_A3IR },
+	{ "a2ir1",	0x400, 1, R8A77980_PD_A2IR1,	R8A77980_PD_A3IR },
+	{ "a2ir2",	0x400, 2, R8A77980_PD_A2IR2,	R8A77980_PD_A3IR },
+	{ "a2ir3",	0x400, 3, R8A77980_PD_A2IR3,	R8A77980_PD_A3IR },
+	{ "a2ir4",	0x400, 4, R8A77980_PD_A2IR4,	R8A77980_PD_A3IR },
+	{ "a2ir5",	0x400, 5, R8A77980_PD_A2IR5,	R8A77980_PD_A3IR },
+	{ "a2sc0",	0x400, 6, R8A77980_PD_A2SC0,	R8A77980_PD_A3IR },
+	{ "a2sc1",	0x400, 7, R8A77980_PD_A2SC1,	R8A77980_PD_A3IR },
+	{ "a2sc2",	0x400, 8, R8A77980_PD_A2SC2,	R8A77980_PD_A3IR },
+	{ "a2sc3",	0x400, 9, R8A77980_PD_A2SC3,	R8A77980_PD_A3IR },
+	{ "a2sc4",	0x400, 10, R8A77980_PD_A2SC4,	R8A77980_PD_A3IR },
+	{ "a2dp0",	0x400, 11, R8A77980_PD_A2DP0,	R8A77980_PD_A3IR },
+	{ "a2dp1",	0x400, 12, R8A77980_PD_A2DP1,	R8A77980_PD_A3IR },
+	{ "a2cn",	0x400, 13, R8A77980_PD_A2CN,	R8A77980_PD_A3IR },
+	{ "a3vip0",	0x2c0, 0, R8A77980_PD_A3VIP0,	R8A77980_PD_ALWAYS_ON },
+	{ "a3vip1",	0x300, 0, R8A77980_PD_A3VIP1,	R8A77980_PD_ALWAYS_ON },
+	{ "a3vip2",	0x280, 0, R8A77980_PD_A3VIP2,	R8A77980_PD_ALWAYS_ON },
+};
+
+const struct rcar_sysc_info r8a77980_sysc_info __initconst = {
+	.areas = r8a77980_areas,
+	.num_areas = ARRAY_SIZE(r8a77980_areas),
+	.extmask_offs = 0x138,
+	.extmask_val = BIT(0),
+};
diff --git a/drivers/pmdomain/renesas/r8a77990-sysc.c b/drivers/pmdomain/renesas/r8a77990-sysc.c
new file mode 100644
index 000000000000..9f92737dc352
--- /dev/null
+++ b/drivers/pmdomain/renesas/r8a77990-sysc.c
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car E3 System Controller
+ *
+ * Copyright (C) 2018 Renesas Electronics Corp.
+ */
+
+#include <linux/bits.h>
+#include <linux/kernel.h>
+#include <linux/sys_soc.h>
+
+#include <dt-bindings/power/r8a77990-sysc.h>
+
+#include "rcar-sysc.h"
+
+static struct rcar_sysc_area r8a77990_areas[] __initdata = {
+	{ "always-on",	    0, 0, R8A77990_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+	{ "ca53-scu",	0x140, 0, R8A77990_PD_CA53_SCU,  R8A77990_PD_ALWAYS_ON,
+	  PD_SCU },
+	{ "ca53-cpu0",	0x200, 0, R8A77990_PD_CA53_CPU0, R8A77990_PD_CA53_SCU,
+	  PD_CPU_NOCR },
+	{ "ca53-cpu1",	0x200, 1, R8A77990_PD_CA53_CPU1, R8A77990_PD_CA53_SCU,
+	  PD_CPU_NOCR },
+	{ "cr7",	0x240, 0, R8A77990_PD_CR7,	R8A77990_PD_ALWAYS_ON },
+	{ "a3vc",	0x380, 0, R8A77990_PD_A3VC,	R8A77990_PD_ALWAYS_ON },
+	{ "a2vc1",	0x3c0, 1, R8A77990_PD_A2VC1,	R8A77990_PD_A3VC },
+	{ "3dg-a",	0x100, 0, R8A77990_PD_3DG_A,	R8A77990_PD_ALWAYS_ON },
+	{ "3dg-b",	0x100, 1, R8A77990_PD_3DG_B,	R8A77990_PD_3DG_A },
+};
+
+/* Fixups for R-Car E3 ES1.0 revision */
+static const struct soc_device_attribute r8a77990[] __initconst = {
+	{ .soc_id = "r8a77990", .revision = "ES1.0" },
+	{ /* sentinel */ }
+};
+
+static int __init r8a77990_sysc_init(void)
+{
+	if (soc_device_match(r8a77990)) {
+		/* Fix incorrect 3DG hierarchy */
+		swap(r8a77990_areas[7], r8a77990_areas[8]);
+		r8a77990_areas[7].parent = R8A77990_PD_ALWAYS_ON;
+		r8a77990_areas[8].parent = R8A77990_PD_3DG_B;
+	}
+
+	return 0;
+}
+
+const struct rcar_sysc_info r8a77990_sysc_info __initconst = {
+	.init = r8a77990_sysc_init,
+	.areas = r8a77990_areas,
+	.num_areas = ARRAY_SIZE(r8a77990_areas),
+	.extmask_offs = 0x2f8,
+	.extmask_val = BIT(0),
+};
diff --git a/drivers/pmdomain/renesas/r8a77995-sysc.c b/drivers/pmdomain/renesas/r8a77995-sysc.c
new file mode 100644
index 000000000000..efcc67e3d76d
--- /dev/null
+++ b/drivers/pmdomain/renesas/r8a77995-sysc.c
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car D3 System Controller
+ *
+ * Copyright (C) 2017 Glider bvba
+ */
+
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a77995-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a77995_areas[] __initconst = {
+	{ "always-on",     0, 0, R8A77995_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+	{ "ca53-scu",  0x140, 0, R8A77995_PD_CA53_SCU,  R8A77995_PD_ALWAYS_ON,
+	  PD_SCU },
+	{ "ca53-cpu0", 0x200, 0, R8A77995_PD_CA53_CPU0, R8A77995_PD_CA53_SCU,
+	  PD_CPU_NOCR },
+};
+
+
+const struct rcar_sysc_info r8a77995_sysc_info __initconst = {
+	.areas = r8a77995_areas,
+	.num_areas = ARRAY_SIZE(r8a77995_areas),
+};
diff --git a/drivers/pmdomain/renesas/r8a779a0-sysc.c b/drivers/pmdomain/renesas/r8a779a0-sysc.c
new file mode 100644
index 000000000000..04f1bc322ae7
--- /dev/null
+++ b/drivers/pmdomain/renesas/r8a779a0-sysc.c
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car V3U System Controller
+ *
+ * Copyright (C) 2020 Renesas Electronics Corp.
+ */
+
+#include <linux/bits.h>
+#include <linux/clk/renesas.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/of_address.h>
+#include <linux/pm_domain.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+
+#include <dt-bindings/power/r8a779a0-sysc.h>
+
+#include "rcar-gen4-sysc.h"
+
+static struct rcar_gen4_sysc_area r8a779a0_areas[] __initdata = {
+	{ "always-on",	R8A779A0_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+	{ "a3e0",	R8A779A0_PD_A3E0, R8A779A0_PD_ALWAYS_ON, PD_SCU },
+	{ "a3e1",	R8A779A0_PD_A3E1, R8A779A0_PD_ALWAYS_ON, PD_SCU },
+	{ "a2e0d0",	R8A779A0_PD_A2E0D0, R8A779A0_PD_A3E0, PD_SCU },
+	{ "a2e0d1",	R8A779A0_PD_A2E0D1, R8A779A0_PD_A3E0, PD_SCU },
+	{ "a2e1d0",	R8A779A0_PD_A2E1D0, R8A779A0_PD_A3E1, PD_SCU },
+	{ "a2e1d1",	R8A779A0_PD_A2E1D1, R8A779A0_PD_A3E1, PD_SCU },
+	{ "a1e0d0c0",	R8A779A0_PD_A1E0D0C0, R8A779A0_PD_A2E0D0, PD_CPU_NOCR },
+	{ "a1e0d0c1",	R8A779A0_PD_A1E0D0C1, R8A779A0_PD_A2E0D0, PD_CPU_NOCR },
+	{ "a1e0d1c0",	R8A779A0_PD_A1E0D1C0, R8A779A0_PD_A2E0D1, PD_CPU_NOCR },
+	{ "a1e0d1c1",	R8A779A0_PD_A1E0D1C1, R8A779A0_PD_A2E0D1, PD_CPU_NOCR },
+	{ "a1e1d0c0",	R8A779A0_PD_A1E1D0C0, R8A779A0_PD_A2E1D0, PD_CPU_NOCR },
+	{ "a1e1d0c1",	R8A779A0_PD_A1E1D0C1, R8A779A0_PD_A2E1D0, PD_CPU_NOCR },
+	{ "a1e1d1c0",	R8A779A0_PD_A1E1D1C0, R8A779A0_PD_A2E1D1, PD_CPU_NOCR },
+	{ "a1e1d1c1",	R8A779A0_PD_A1E1D1C1, R8A779A0_PD_A2E1D1, PD_CPU_NOCR },
+	{ "3dg-a",	R8A779A0_PD_3DG_A, R8A779A0_PD_ALWAYS_ON },
+	{ "3dg-b",	R8A779A0_PD_3DG_B, R8A779A0_PD_3DG_A },
+	{ "a3vip0",	R8A779A0_PD_A3VIP0, R8A779A0_PD_ALWAYS_ON },
+	{ "a3vip1",	R8A779A0_PD_A3VIP1, R8A779A0_PD_ALWAYS_ON },
+	{ "a3vip3",	R8A779A0_PD_A3VIP3, R8A779A0_PD_ALWAYS_ON },
+	{ "a3vip2",	R8A779A0_PD_A3VIP2, R8A779A0_PD_ALWAYS_ON },
+	{ "a3isp01",	R8A779A0_PD_A3ISP01, R8A779A0_PD_ALWAYS_ON },
+	{ "a3isp23",	R8A779A0_PD_A3ISP23, R8A779A0_PD_ALWAYS_ON },
+	{ "a3ir",	R8A779A0_PD_A3IR, R8A779A0_PD_ALWAYS_ON },
+	{ "a2cn0",	R8A779A0_PD_A2CN0, R8A779A0_PD_A3IR },
+	{ "a2imp01",	R8A779A0_PD_A2IMP01, R8A779A0_PD_A3IR },
+	{ "a2dp0",	R8A779A0_PD_A2DP0, R8A779A0_PD_A3IR },
+	{ "a2cv0",	R8A779A0_PD_A2CV0, R8A779A0_PD_A3IR },
+	{ "a2cv1",	R8A779A0_PD_A2CV1, R8A779A0_PD_A3IR },
+	{ "a2cv4",	R8A779A0_PD_A2CV4, R8A779A0_PD_A3IR },
+	{ "a2cv6",	R8A779A0_PD_A2CV6, R8A779A0_PD_A3IR },
+	{ "a2cn2",	R8A779A0_PD_A2CN2, R8A779A0_PD_A3IR },
+	{ "a2imp23",	R8A779A0_PD_A2IMP23, R8A779A0_PD_A3IR },
+	{ "a2dp1",	R8A779A0_PD_A2DP1, R8A779A0_PD_A3IR },
+	{ "a2cv2",	R8A779A0_PD_A2CV2, R8A779A0_PD_A3IR },
+	{ "a2cv3",	R8A779A0_PD_A2CV3, R8A779A0_PD_A3IR },
+	{ "a2cv5",	R8A779A0_PD_A2CV5, R8A779A0_PD_A3IR },
+	{ "a2cv7",	R8A779A0_PD_A2CV7, R8A779A0_PD_A3IR },
+	{ "a2cn1",	R8A779A0_PD_A2CN1, R8A779A0_PD_A3IR },
+	{ "a1cnn0",	R8A779A0_PD_A1CNN0, R8A779A0_PD_A2CN0 },
+	{ "a1cnn2",	R8A779A0_PD_A1CNN2, R8A779A0_PD_A2CN2 },
+	{ "a1dsp0",	R8A779A0_PD_A1DSP0, R8A779A0_PD_A2CN2 },
+	{ "a1cnn1",	R8A779A0_PD_A1CNN1, R8A779A0_PD_A2CN1 },
+	{ "a1dsp1",	R8A779A0_PD_A1DSP1, R8A779A0_PD_A2CN1 },
+};
+
+const struct rcar_gen4_sysc_info r8a779a0_sysc_info __initconst = {
+	.areas = r8a779a0_areas,
+	.num_areas = ARRAY_SIZE(r8a779a0_areas),
+};
diff --git a/drivers/pmdomain/renesas/r8a779f0-sysc.c b/drivers/pmdomain/renesas/r8a779f0-sysc.c
new file mode 100644
index 000000000000..5602aa6bd7ed
--- /dev/null
+++ b/drivers/pmdomain/renesas/r8a779f0-sysc.c
@@ -0,0 +1,47 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car S4-8 System Controller
+ *
+ * Copyright (C) 2021 Renesas Electronics Corp.
+ */
+
+#include <linux/bits.h>
+#include <linux/clk/renesas.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/of_address.h>
+#include <linux/pm_domain.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+
+#include <dt-bindings/power/r8a779f0-sysc.h>
+
+#include "rcar-gen4-sysc.h"
+
+static struct rcar_gen4_sysc_area r8a779f0_areas[] __initdata = {
+	{ "always-on",	R8A779F0_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+	{ "a3e0",	R8A779F0_PD_A3E0, R8A779F0_PD_ALWAYS_ON, PD_SCU },
+	{ "a3e1",	R8A779F0_PD_A3E1, R8A779F0_PD_ALWAYS_ON, PD_SCU },
+	{ "a2e0d0",	R8A779F0_PD_A2E0D0, R8A779F0_PD_A3E0, PD_SCU },
+	{ "a2e0d1",	R8A779F0_PD_A2E0D1, R8A779F0_PD_A3E0, PD_SCU },
+	{ "a2e1d0",	R8A779F0_PD_A2E1D0, R8A779F0_PD_A3E1, PD_SCU },
+	{ "a2e1d1",	R8A779F0_PD_A2E1D1, R8A779F0_PD_A3E1, PD_SCU },
+	{ "a1e0d0c0",	R8A779F0_PD_A1E0D0C0, R8A779F0_PD_A2E0D0, PD_CPU_NOCR },
+	{ "a1e0d0c1",	R8A779F0_PD_A1E0D0C1, R8A779F0_PD_A2E0D0, PD_CPU_NOCR },
+	{ "a1e0d1c0",	R8A779F0_PD_A1E0D1C0, R8A779F0_PD_A2E0D1, PD_CPU_NOCR },
+	{ "a1e0d1c1",	R8A779F0_PD_A1E0D1C1, R8A779F0_PD_A2E0D1, PD_CPU_NOCR },
+	{ "a1e1d0c0",	R8A779F0_PD_A1E1D0C0, R8A779F0_PD_A2E1D0, PD_CPU_NOCR },
+	{ "a1e1d0c1",	R8A779F0_PD_A1E1D0C1, R8A779F0_PD_A2E1D0, PD_CPU_NOCR },
+	{ "a1e1d1c0",	R8A779F0_PD_A1E1D1C0, R8A779F0_PD_A2E1D1, PD_CPU_NOCR },
+	{ "a1e1d1c1",	R8A779F0_PD_A1E1D1C1, R8A779F0_PD_A2E1D1, PD_CPU_NOCR },
+};
+
+const struct rcar_gen4_sysc_info r8a779f0_sysc_info __initconst = {
+	.areas = r8a779f0_areas,
+	.num_areas = ARRAY_SIZE(r8a779f0_areas),
+};
diff --git a/drivers/pmdomain/renesas/r8a779g0-sysc.c b/drivers/pmdomain/renesas/r8a779g0-sysc.c
new file mode 100644
index 000000000000..b932eba1b804
--- /dev/null
+++ b/drivers/pmdomain/renesas/r8a779g0-sysc.c
@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car V4H System Controller
+ *
+ * Copyright (C) 2022 Renesas Electronics Corp.
+ */
+
+#include <linux/bits.h>
+#include <linux/clk/renesas.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/of_address.h>
+#include <linux/pm_domain.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+
+#include <dt-bindings/power/r8a779g0-sysc.h>
+
+#include "rcar-gen4-sysc.h"
+
+static struct rcar_gen4_sysc_area r8a779g0_areas[] __initdata = {
+	{ "always-on",	R8A779G0_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+	{ "a3e0",	R8A779G0_PD_A3E0, R8A779G0_PD_ALWAYS_ON, PD_SCU },
+	{ "a2e0d0",	R8A779G0_PD_A2E0D0, R8A779G0_PD_A3E0, PD_SCU },
+	{ "a2e0d1",	R8A779G0_PD_A2E0D1, R8A779G0_PD_A3E0, PD_SCU },
+	{ "a1e0d0c0",	R8A779G0_PD_A1E0D0C0, R8A779G0_PD_A2E0D0, PD_CPU_NOCR },
+	{ "a1e0d0c1",	R8A779G0_PD_A1E0D0C1, R8A779G0_PD_A2E0D0, PD_CPU_NOCR },
+	{ "a1e0d1c0",	R8A779G0_PD_A1E0D1C0, R8A779G0_PD_A2E0D1, PD_CPU_NOCR },
+	{ "a1e0d1c1",	R8A779G0_PD_A1E0D1C1, R8A779G0_PD_A2E0D1, PD_CPU_NOCR },
+	{ "a33dga",	R8A779G0_PD_A33DGA, R8A779G0_PD_ALWAYS_ON },
+	{ "a23dgb",	R8A779G0_PD_A23DGB, R8A779G0_PD_A33DGA },
+	{ "a3vip0",	R8A779G0_PD_A3VIP0, R8A779G0_PD_ALWAYS_ON },
+	{ "a3vip1",	R8A779G0_PD_A3VIP1, R8A779G0_PD_ALWAYS_ON },
+	{ "a3vip2",	R8A779G0_PD_A3VIP2, R8A779G0_PD_ALWAYS_ON },
+	{ "a3dul",	R8A779G0_PD_A3DUL, R8A779G0_PD_ALWAYS_ON },
+	{ "a3isp0",	R8A779G0_PD_A3ISP0, R8A779G0_PD_ALWAYS_ON },
+	{ "a3isp1",	R8A779G0_PD_A3ISP1, R8A779G0_PD_ALWAYS_ON },
+	{ "a3ir",	R8A779G0_PD_A3IR, R8A779G0_PD_ALWAYS_ON },
+	{ "a2cn0",	R8A779G0_PD_A2CN0, R8A779G0_PD_A3IR },
+	{ "a1cnn0",	R8A779G0_PD_A1CNN0, R8A779G0_PD_A2CN0 },
+	{ "a1dsp0",	R8A779G0_PD_A1DSP0, R8A779G0_PD_A2CN0 },
+	{ "a1dsp1",	R8A779G0_PD_A1DSP1, R8A779G0_PD_A2CN0 },
+	{ "a1dsp2",	R8A779G0_PD_A1DSP2, R8A779G0_PD_A2CN0 },
+	{ "a1dsp3",	R8A779G0_PD_A1DSP3, R8A779G0_PD_A2CN0 },
+	{ "a2imp01",	R8A779G0_PD_A2IMP01, R8A779G0_PD_A3IR },
+	{ "a2imp23",	R8A779G0_PD_A2IMP23, R8A779G0_PD_A3IR },
+	{ "a2psc",	R8A779G0_PD_A2PSC, R8A779G0_PD_A3IR },
+	{ "a2dma",	R8A779G0_PD_A2DMA, R8A779G0_PD_A3IR },
+	{ "a2cv0",	R8A779G0_PD_A2CV0, R8A779G0_PD_A3IR },
+	{ "a2cv1",	R8A779G0_PD_A2CV1, R8A779G0_PD_A3IR },
+	{ "a2cv2",	R8A779G0_PD_A2CV2, R8A779G0_PD_A3IR },
+	{ "a2cv3",	R8A779G0_PD_A2CV3, R8A779G0_PD_A3IR },
+};
+
+const struct rcar_gen4_sysc_info r8a779g0_sysc_info __initconst = {
+	.areas = r8a779g0_areas,
+	.num_areas = ARRAY_SIZE(r8a779g0_areas),
+};
diff --git a/drivers/pmdomain/renesas/rcar-gen4-sysc.c b/drivers/pmdomain/renesas/rcar-gen4-sysc.c
new file mode 100644
index 000000000000..9e5e6e077abc
--- /dev/null
+++ b/drivers/pmdomain/renesas/rcar-gen4-sysc.c
@@ -0,0 +1,379 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * R-Car Gen4 SYSC Power management support
+ *
+ * Copyright (C) 2021 Renesas Electronics Corp.
+ */
+
+#include <linux/bits.h>
+#include <linux/clk/renesas.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/of_address.h>
+#include <linux/pm_domain.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+
+#include "rcar-gen4-sysc.h"
+
+/* SYSC Common */
+#define SYSCSR		0x000	/* SYSC Status Register */
+#define SYSCPONSR(x)	(0x800 + ((x) * 0x4)) /* Power-ON Status Register 0 */
+#define SYSCPOFFSR(x)	(0x808 + ((x) * 0x4)) /* Power-OFF Status Register */
+#define SYSCISCR(x)	(0x810 + ((x) * 0x4)) /* Interrupt Status/Clear Register */
+#define SYSCIER(x)	(0x820 + ((x) * 0x4)) /* Interrupt Enable Register */
+#define SYSCIMR(x)	(0x830 + ((x) * 0x4)) /* Interrupt Mask Register */
+
+/* Power Domain Registers */
+#define PDRSR(n)	(0x1000 + ((n) * 0x40))
+#define PDRONCR(n)	(0x1004 + ((n) * 0x40))
+#define PDROFFCR(n)	(0x1008 + ((n) * 0x40))
+#define PDRESR(n)	(0x100C + ((n) * 0x40))
+
+/* PWRON/PWROFF */
+#define PWRON_PWROFF		BIT(0)	/* Power-ON/OFF request */
+
+/* PDRESR */
+#define PDRESR_ERR		BIT(0)
+
+/* PDRSR */
+#define PDRSR_OFF		BIT(0)	/* Power-OFF state */
+#define PDRSR_ON		BIT(4)	/* Power-ON state */
+#define PDRSR_OFF_STATE		BIT(8)  /* Processing Power-OFF sequence */
+#define PDRSR_ON_STATE		BIT(12) /* Processing Power-ON sequence */
+
+#define SYSCSR_BUSY		GENMASK(1, 0)	/* All bit sets is not busy */
+
+#define SYSCSR_TIMEOUT		10000
+#define SYSCSR_DELAY_US		10
+
+#define PDRESR_RETRIES		1000
+#define PDRESR_DELAY_US		10
+
+#define SYSCISR_TIMEOUT		10000
+#define SYSCISR_DELAY_US	10
+
+#define RCAR_GEN4_PD_ALWAYS_ON	64
+#define NUM_DOMAINS_EACH_REG	BITS_PER_TYPE(u32)
+
+static void __iomem *rcar_gen4_sysc_base;
+static DEFINE_SPINLOCK(rcar_gen4_sysc_lock); /* SMP CPUs + I/O devices */
+
+static int rcar_gen4_sysc_pwr_on_off(u8 pdr, bool on)
+{
+	unsigned int reg_offs;
+	u32 val;
+	int ret;
+
+	if (on)
+		reg_offs = PDRONCR(pdr);
+	else
+		reg_offs = PDROFFCR(pdr);
+
+	/* Wait until SYSC is ready to accept a power request */
+	ret = readl_poll_timeout_atomic(rcar_gen4_sysc_base + SYSCSR, val,
+					(val & SYSCSR_BUSY) == SYSCSR_BUSY,
+					SYSCSR_DELAY_US, SYSCSR_TIMEOUT);
+	if (ret < 0)
+		return -EAGAIN;
+
+	/* Submit power shutoff or power resume request */
+	iowrite32(PWRON_PWROFF, rcar_gen4_sysc_base + reg_offs);
+
+	return 0;
+}
+
+static int clear_irq_flags(unsigned int reg_idx, unsigned int isr_mask)
+{
+	u32 val;
+	int ret;
+
+	iowrite32(isr_mask, rcar_gen4_sysc_base + SYSCISCR(reg_idx));
+
+	ret = readl_poll_timeout_atomic(rcar_gen4_sysc_base + SYSCISCR(reg_idx),
+					val, !(val & isr_mask),
+					SYSCISR_DELAY_US, SYSCISR_TIMEOUT);
+	if (ret < 0) {
+		pr_err("\n %s : Can not clear IRQ flags in SYSCISCR", __func__);
+		return -EIO;
+	}
+
+	return 0;
+}
+
+static int rcar_gen4_sysc_power(u8 pdr, bool on)
+{
+	unsigned int isr_mask;
+	unsigned int reg_idx, bit_idx;
+	unsigned int status;
+	unsigned long flags;
+	int ret = 0;
+	u32 val;
+	int k;
+
+	spin_lock_irqsave(&rcar_gen4_sysc_lock, flags);
+
+	reg_idx = pdr / NUM_DOMAINS_EACH_REG;
+	bit_idx = pdr % NUM_DOMAINS_EACH_REG;
+
+	isr_mask = BIT(bit_idx);
+
+	/*
+	 * The interrupt source needs to be enabled, but masked, to prevent the
+	 * CPU from receiving it.
+	 */
+	iowrite32(ioread32(rcar_gen4_sysc_base + SYSCIER(reg_idx)) | isr_mask,
+		  rcar_gen4_sysc_base + SYSCIER(reg_idx));
+	iowrite32(ioread32(rcar_gen4_sysc_base + SYSCIMR(reg_idx)) | isr_mask,
+		  rcar_gen4_sysc_base + SYSCIMR(reg_idx));
+
+	ret = clear_irq_flags(reg_idx, isr_mask);
+	if (ret)
+		goto out;
+
+	/* Submit power shutoff or resume request until it was accepted */
+	for (k = 0; k < PDRESR_RETRIES; k++) {
+		ret = rcar_gen4_sysc_pwr_on_off(pdr, on);
+		if (ret)
+			goto out;
+
+		status = ioread32(rcar_gen4_sysc_base + PDRESR(pdr));
+		if (!(status & PDRESR_ERR))
+			break;
+
+		udelay(PDRESR_DELAY_US);
+	}
+
+	if (k == PDRESR_RETRIES) {
+		ret = -EIO;
+		goto out;
+	}
+
+	/* Wait until the power shutoff or resume request has completed * */
+	ret = readl_poll_timeout_atomic(rcar_gen4_sysc_base + SYSCISCR(reg_idx),
+					val, (val & isr_mask),
+					SYSCISR_DELAY_US, SYSCISR_TIMEOUT);
+	if (ret < 0) {
+		ret = -EIO;
+		goto out;
+	}
+
+	/* Clear interrupt flags */
+	ret = clear_irq_flags(reg_idx, isr_mask);
+	if (ret)
+		goto out;
+
+ out:
+	spin_unlock_irqrestore(&rcar_gen4_sysc_lock, flags);
+
+	pr_debug("sysc power %s domain %d: %08x -> %d\n", on ? "on" : "off",
+		 pdr, ioread32(rcar_gen4_sysc_base + SYSCISCR(reg_idx)), ret);
+	return ret;
+}
+
+static bool rcar_gen4_sysc_power_is_off(u8 pdr)
+{
+	unsigned int st;
+
+	st = ioread32(rcar_gen4_sysc_base + PDRSR(pdr));
+
+	if (st & PDRSR_OFF)
+		return true;
+
+	return false;
+}
+
+struct rcar_gen4_sysc_pd {
+	struct generic_pm_domain genpd;
+	u8 pdr;
+	unsigned int flags;
+	char name[];
+};
+
+static inline struct rcar_gen4_sysc_pd *to_rcar_gen4_pd(struct generic_pm_domain *d)
+{
+	return container_of(d, struct rcar_gen4_sysc_pd, genpd);
+}
+
+static int rcar_gen4_sysc_pd_power_off(struct generic_pm_domain *genpd)
+{
+	struct rcar_gen4_sysc_pd *pd = to_rcar_gen4_pd(genpd);
+
+	pr_debug("%s: %s\n", __func__, genpd->name);
+	return rcar_gen4_sysc_power(pd->pdr, false);
+}
+
+static int rcar_gen4_sysc_pd_power_on(struct generic_pm_domain *genpd)
+{
+	struct rcar_gen4_sysc_pd *pd = to_rcar_gen4_pd(genpd);
+
+	pr_debug("%s: %s\n", __func__, genpd->name);
+	return rcar_gen4_sysc_power(pd->pdr, true);
+}
+
+static int __init rcar_gen4_sysc_pd_setup(struct rcar_gen4_sysc_pd *pd)
+{
+	struct generic_pm_domain *genpd = &pd->genpd;
+	const char *name = pd->genpd.name;
+	int error;
+
+	if (pd->flags & PD_CPU) {
+		/*
+		 * This domain contains a CPU core and therefore it should
+		 * only be turned off if the CPU is not in use.
+		 */
+		pr_debug("PM domain %s contains %s\n", name, "CPU");
+		genpd->flags |= GENPD_FLAG_ALWAYS_ON;
+	} else if (pd->flags & PD_SCU) {
+		/*
+		 * This domain contains an SCU and cache-controller, and
+		 * therefore it should only be turned off if the CPU cores are
+		 * not in use.
+		 */
+		pr_debug("PM domain %s contains %s\n", name, "SCU");
+		genpd->flags |= GENPD_FLAG_ALWAYS_ON;
+	} else if (pd->flags & PD_NO_CR) {
+		/*
+		 * This domain cannot be turned off.
+		 */
+		genpd->flags |= GENPD_FLAG_ALWAYS_ON;
+	}
+
+	if (!(pd->flags & (PD_CPU | PD_SCU))) {
+		/* Enable Clock Domain for I/O devices */
+		genpd->flags |= GENPD_FLAG_PM_CLK | GENPD_FLAG_ACTIVE_WAKEUP;
+		genpd->attach_dev = cpg_mssr_attach_dev;
+		genpd->detach_dev = cpg_mssr_detach_dev;
+	}
+
+	genpd->power_off = rcar_gen4_sysc_pd_power_off;
+	genpd->power_on = rcar_gen4_sysc_pd_power_on;
+
+	if (pd->flags & (PD_CPU | PD_NO_CR)) {
+		/* Skip CPUs (handled by SMP code) and areas without control */
+		pr_debug("%s: Not touching %s\n", __func__, genpd->name);
+		goto finalize;
+	}
+
+	if (!rcar_gen4_sysc_power_is_off(pd->pdr)) {
+		pr_debug("%s: %s is already powered\n", __func__, genpd->name);
+		goto finalize;
+	}
+
+	rcar_gen4_sysc_power(pd->pdr, true);
+
+finalize:
+	error = pm_genpd_init(genpd, &simple_qos_governor, false);
+	if (error)
+		pr_err("Failed to init PM domain %s: %d\n", name, error);
+
+	return error;
+}
+
+static const struct of_device_id rcar_gen4_sysc_matches[] __initconst = {
+#ifdef CONFIG_SYSC_R8A779A0
+	{ .compatible = "renesas,r8a779a0-sysc", .data = &r8a779a0_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A779F0
+	{ .compatible = "renesas,r8a779f0-sysc", .data = &r8a779f0_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A779G0
+	{ .compatible = "renesas,r8a779g0-sysc", .data = &r8a779g0_sysc_info },
+#endif
+	{ /* sentinel */ }
+};
+
+struct rcar_gen4_pm_domains {
+	struct genpd_onecell_data onecell_data;
+	struct generic_pm_domain *domains[RCAR_GEN4_PD_ALWAYS_ON + 1];
+};
+
+static struct genpd_onecell_data *rcar_gen4_sysc_onecell_data;
+
+static int __init rcar_gen4_sysc_pd_init(void)
+{
+	const struct rcar_gen4_sysc_info *info;
+	const struct of_device_id *match;
+	struct rcar_gen4_pm_domains *domains;
+	struct device_node *np;
+	void __iomem *base;
+	unsigned int i;
+	int error;
+
+	np = of_find_matching_node_and_match(NULL, rcar_gen4_sysc_matches, &match);
+	if (!np)
+		return -ENODEV;
+
+	info = match->data;
+
+	base = of_iomap(np, 0);
+	if (!base) {
+		pr_warn("%pOF: Cannot map regs\n", np);
+		error = -ENOMEM;
+		goto out_put;
+	}
+
+	rcar_gen4_sysc_base = base;
+
+	domains = kzalloc(sizeof(*domains), GFP_KERNEL);
+	if (!domains) {
+		error = -ENOMEM;
+		goto out_put;
+	}
+
+	domains->onecell_data.domains = domains->domains;
+	domains->onecell_data.num_domains = ARRAY_SIZE(domains->domains);
+	rcar_gen4_sysc_onecell_data = &domains->onecell_data;
+
+	for (i = 0; i < info->num_areas; i++) {
+		const struct rcar_gen4_sysc_area *area = &info->areas[i];
+		struct rcar_gen4_sysc_pd *pd;
+		size_t n;
+
+		if (!area->name) {
+			/* Skip NULLified area */
+			continue;
+		}
+
+		n = strlen(area->name) + 1;
+		pd = kzalloc(sizeof(*pd) + n, GFP_KERNEL);
+		if (!pd) {
+			error = -ENOMEM;
+			goto out_put;
+		}
+
+		memcpy(pd->name, area->name, n);
+		pd->genpd.name = pd->name;
+		pd->pdr = area->pdr;
+		pd->flags = area->flags;
+
+		error = rcar_gen4_sysc_pd_setup(pd);
+		if (error)
+			goto out_put;
+
+		domains->domains[area->pdr] = &pd->genpd;
+
+		if (area->parent < 0)
+			continue;
+
+		error = pm_genpd_add_subdomain(domains->domains[area->parent],
+					       &pd->genpd);
+		if (error) {
+			pr_warn("Failed to add PM subdomain %s to parent %u\n",
+				area->name, area->parent);
+			goto out_put;
+		}
+	}
+
+	error = of_genpd_add_provider_onecell(np, &domains->onecell_data);
+
+out_put:
+	of_node_put(np);
+	return error;
+}
+early_initcall(rcar_gen4_sysc_pd_init);
diff --git a/drivers/pmdomain/renesas/rcar-gen4-sysc.h b/drivers/pmdomain/renesas/rcar-gen4-sysc.h
new file mode 100644
index 000000000000..388cfa8f8f9f
--- /dev/null
+++ b/drivers/pmdomain/renesas/rcar-gen4-sysc.h
@@ -0,0 +1,44 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * R-Car Gen4 System Controller
+ *
+ * Copyright (C) 2021 Renesas Electronics Corp.
+ */
+#ifndef __SOC_RENESAS_RCAR_GEN4_SYSC_H__
+#define __SOC_RENESAS_RCAR_GEN4_SYSC_H__
+
+#include <linux/types.h>
+
+/*
+ * Power Domain flags
+ */
+#define PD_CPU		BIT(0)	/* Area contains main CPU core */
+#define PD_SCU		BIT(1)	/* Area contains SCU and L2 cache */
+#define PD_NO_CR	BIT(2)	/* Area lacks PWR{ON,OFF}CR registers */
+
+#define PD_CPU_NOCR	(PD_CPU | PD_NO_CR) /* CPU area lacks CR */
+#define PD_ALWAYS_ON	PD_NO_CR	  /* Always-on area */
+
+/*
+ * Description of a Power Area
+ */
+struct rcar_gen4_sysc_area {
+	const char *name;
+	u8 pdr;			/* PDRn */
+	s8 parent;		/* -1 if none */
+	u8 flags;		/* See PD_* */
+};
+
+/*
+ * SoC-specific Power Area Description
+ */
+struct rcar_gen4_sysc_info {
+	const struct rcar_gen4_sysc_area *areas;
+	unsigned int num_areas;
+};
+
+extern const struct rcar_gen4_sysc_info r8a779a0_sysc_info;
+extern const struct rcar_gen4_sysc_info r8a779f0_sysc_info;
+extern const struct rcar_gen4_sysc_info r8a779g0_sysc_info;
+
+#endif /* __SOC_RENESAS_RCAR_GEN4_SYSC_H__ */
diff --git a/drivers/pmdomain/renesas/rcar-sysc.c b/drivers/pmdomain/renesas/rcar-sysc.c
new file mode 100644
index 000000000000..eed47696e825
--- /dev/null
+++ b/drivers/pmdomain/renesas/rcar-sysc.c
@@ -0,0 +1,494 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * R-Car SYSC Power management support
+ *
+ * Copyright (C) 2014  Magnus Damm
+ * Copyright (C) 2015-2017 Glider bvba
+ */
+
+#include <linux/clk/renesas.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/mm.h>
+#include <linux/of_address.h>
+#include <linux/pm_domain.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/soc/renesas/rcar-sysc.h>
+
+#include "rcar-sysc.h"
+
+/* SYSC Common */
+#define SYSCSR			0x00	/* SYSC Status Register */
+#define SYSCISR			0x04	/* Interrupt Status Register */
+#define SYSCISCR		0x08	/* Interrupt Status Clear Register */
+#define SYSCIER			0x0c	/* Interrupt Enable Register */
+#define SYSCIMR			0x10	/* Interrupt Mask Register */
+
+/* SYSC Status Register */
+#define SYSCSR_PONENB		1	/* Ready for power resume requests */
+#define SYSCSR_POFFENB		0	/* Ready for power shutoff requests */
+
+/*
+ * Power Control Register Offsets inside the register block for each domain
+ * Note: The "CR" registers for ARM cores exist on H1 only
+ *	 Use WFI to power off, CPG/APMU to resume ARM cores on R-Car Gen2
+ *	 Use PSCI on R-Car Gen3
+ */
+#define PWRSR_OFFS		0x00	/* Power Status Register */
+#define PWROFFCR_OFFS		0x04	/* Power Shutoff Control Register */
+#define PWROFFSR_OFFS		0x08	/* Power Shutoff Status Register */
+#define PWRONCR_OFFS		0x0c	/* Power Resume Control Register */
+#define PWRONSR_OFFS		0x10	/* Power Resume Status Register */
+#define PWRER_OFFS		0x14	/* Power Shutoff/Resume Error */
+
+
+#define SYSCSR_TIMEOUT		100
+#define SYSCSR_DELAY_US		1
+
+#define PWRER_RETRIES		100
+#define PWRER_DELAY_US		1
+
+#define SYSCISR_TIMEOUT		1000
+#define SYSCISR_DELAY_US	1
+
+#define RCAR_PD_ALWAYS_ON	32	/* Always-on power area */
+
+struct rcar_sysc_ch {
+	u16 chan_offs;
+	u8 chan_bit;
+	u8 isr_bit;
+};
+
+static void __iomem *rcar_sysc_base;
+static DEFINE_SPINLOCK(rcar_sysc_lock); /* SMP CPUs + I/O devices */
+static u32 rcar_sysc_extmask_offs, rcar_sysc_extmask_val;
+
+static int rcar_sysc_pwr_on_off(const struct rcar_sysc_ch *sysc_ch, bool on)
+{
+	unsigned int sr_bit, reg_offs;
+	u32 val;
+	int ret;
+
+	if (on) {
+		sr_bit = SYSCSR_PONENB;
+		reg_offs = PWRONCR_OFFS;
+	} else {
+		sr_bit = SYSCSR_POFFENB;
+		reg_offs = PWROFFCR_OFFS;
+	}
+
+	/* Wait until SYSC is ready to accept a power request */
+	ret = readl_poll_timeout_atomic(rcar_sysc_base + SYSCSR, val,
+					val & BIT(sr_bit), SYSCSR_DELAY_US,
+					SYSCSR_TIMEOUT);
+	if (ret)
+		return -EAGAIN;
+
+	/* Submit power shutoff or power resume request */
+	iowrite32(BIT(sysc_ch->chan_bit),
+		  rcar_sysc_base + sysc_ch->chan_offs + reg_offs);
+
+	return 0;
+}
+
+static int rcar_sysc_power(const struct rcar_sysc_ch *sysc_ch, bool on)
+{
+	unsigned int isr_mask = BIT(sysc_ch->isr_bit);
+	unsigned int chan_mask = BIT(sysc_ch->chan_bit);
+	unsigned int status, k;
+	unsigned long flags;
+	int ret;
+
+	spin_lock_irqsave(&rcar_sysc_lock, flags);
+
+	/*
+	 * Mask external power requests for CPU or 3DG domains
+	 */
+	if (rcar_sysc_extmask_val) {
+		iowrite32(rcar_sysc_extmask_val,
+			  rcar_sysc_base + rcar_sysc_extmask_offs);
+	}
+
+	/*
+	 * The interrupt source needs to be enabled, but masked, to prevent the
+	 * CPU from receiving it.
+	 */
+	iowrite32(ioread32(rcar_sysc_base + SYSCIMR) | isr_mask,
+		  rcar_sysc_base + SYSCIMR);
+	iowrite32(ioread32(rcar_sysc_base + SYSCIER) | isr_mask,
+		  rcar_sysc_base + SYSCIER);
+
+	iowrite32(isr_mask, rcar_sysc_base + SYSCISCR);
+
+	/* Submit power shutoff or resume request until it was accepted */
+	for (k = 0; k < PWRER_RETRIES; k++) {
+		ret = rcar_sysc_pwr_on_off(sysc_ch, on);
+		if (ret)
+			goto out;
+
+		status = ioread32(rcar_sysc_base +
+				  sysc_ch->chan_offs + PWRER_OFFS);
+		if (!(status & chan_mask))
+			break;
+
+		udelay(PWRER_DELAY_US);
+	}
+
+	if (k == PWRER_RETRIES) {
+		ret = -EIO;
+		goto out;
+	}
+
+	/* Wait until the power shutoff or resume request has completed * */
+	ret = readl_poll_timeout_atomic(rcar_sysc_base + SYSCISR, status,
+					status & isr_mask, SYSCISR_DELAY_US,
+					SYSCISR_TIMEOUT);
+	if (ret)
+		ret = -EIO;
+
+	iowrite32(isr_mask, rcar_sysc_base + SYSCISCR);
+
+ out:
+	if (rcar_sysc_extmask_val)
+		iowrite32(0, rcar_sysc_base + rcar_sysc_extmask_offs);
+
+	spin_unlock_irqrestore(&rcar_sysc_lock, flags);
+
+	pr_debug("sysc power %s domain %d: %08x -> %d\n", on ? "on" : "off",
+		 sysc_ch->isr_bit, ioread32(rcar_sysc_base + SYSCISR), ret);
+	return ret;
+}
+
+static bool rcar_sysc_power_is_off(const struct rcar_sysc_ch *sysc_ch)
+{
+	unsigned int st;
+
+	st = ioread32(rcar_sysc_base + sysc_ch->chan_offs + PWRSR_OFFS);
+	if (st & BIT(sysc_ch->chan_bit))
+		return true;
+
+	return false;
+}
+
+struct rcar_sysc_pd {
+	struct generic_pm_domain genpd;
+	struct rcar_sysc_ch ch;
+	unsigned int flags;
+	char name[];
+};
+
+static inline struct rcar_sysc_pd *to_rcar_pd(struct generic_pm_domain *d)
+{
+	return container_of(d, struct rcar_sysc_pd, genpd);
+}
+
+static int rcar_sysc_pd_power_off(struct generic_pm_domain *genpd)
+{
+	struct rcar_sysc_pd *pd = to_rcar_pd(genpd);
+
+	pr_debug("%s: %s\n", __func__, genpd->name);
+	return rcar_sysc_power(&pd->ch, false);
+}
+
+static int rcar_sysc_pd_power_on(struct generic_pm_domain *genpd)
+{
+	struct rcar_sysc_pd *pd = to_rcar_pd(genpd);
+
+	pr_debug("%s: %s\n", __func__, genpd->name);
+	return rcar_sysc_power(&pd->ch, true);
+}
+
+static bool has_cpg_mstp;
+
+static int __init rcar_sysc_pd_setup(struct rcar_sysc_pd *pd)
+{
+	struct generic_pm_domain *genpd = &pd->genpd;
+	const char *name = pd->genpd.name;
+	int error;
+
+	if (pd->flags & PD_CPU) {
+		/*
+		 * This domain contains a CPU core and therefore it should
+		 * only be turned off if the CPU is not in use.
+		 */
+		pr_debug("PM domain %s contains %s\n", name, "CPU");
+		genpd->flags |= GENPD_FLAG_ALWAYS_ON;
+	} else if (pd->flags & PD_SCU) {
+		/*
+		 * This domain contains an SCU and cache-controller, and
+		 * therefore it should only be turned off if the CPU cores are
+		 * not in use.
+		 */
+		pr_debug("PM domain %s contains %s\n", name, "SCU");
+		genpd->flags |= GENPD_FLAG_ALWAYS_ON;
+	} else if (pd->flags & PD_NO_CR) {
+		/*
+		 * This domain cannot be turned off.
+		 */
+		genpd->flags |= GENPD_FLAG_ALWAYS_ON;
+	}
+
+	if (!(pd->flags & (PD_CPU | PD_SCU))) {
+		/* Enable Clock Domain for I/O devices */
+		genpd->flags |= GENPD_FLAG_PM_CLK | GENPD_FLAG_ACTIVE_WAKEUP;
+		if (has_cpg_mstp) {
+			genpd->attach_dev = cpg_mstp_attach_dev;
+			genpd->detach_dev = cpg_mstp_detach_dev;
+		} else {
+			genpd->attach_dev = cpg_mssr_attach_dev;
+			genpd->detach_dev = cpg_mssr_detach_dev;
+		}
+	}
+
+	genpd->power_off = rcar_sysc_pd_power_off;
+	genpd->power_on = rcar_sysc_pd_power_on;
+
+	if (pd->flags & (PD_CPU | PD_NO_CR)) {
+		/* Skip CPUs (handled by SMP code) and areas without control */
+		pr_debug("%s: Not touching %s\n", __func__, genpd->name);
+		goto finalize;
+	}
+
+	if (!rcar_sysc_power_is_off(&pd->ch)) {
+		pr_debug("%s: %s is already powered\n", __func__, genpd->name);
+		goto finalize;
+	}
+
+	rcar_sysc_power(&pd->ch, true);
+
+finalize:
+	error = pm_genpd_init(genpd, &simple_qos_governor, false);
+	if (error)
+		pr_err("Failed to init PM domain %s: %d\n", name, error);
+
+	return error;
+}
+
+static const struct of_device_id rcar_sysc_matches[] __initconst = {
+#ifdef CONFIG_SYSC_R8A7742
+	{ .compatible = "renesas,r8a7742-sysc", .data = &r8a7742_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A7743
+	{ .compatible = "renesas,r8a7743-sysc", .data = &r8a7743_sysc_info },
+	/* RZ/G1N is identical to RZ/G2M w.r.t. power domains. */
+	{ .compatible = "renesas,r8a7744-sysc", .data = &r8a7743_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A7745
+	{ .compatible = "renesas,r8a7745-sysc", .data = &r8a7745_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A77470
+	{ .compatible = "renesas,r8a77470-sysc", .data = &r8a77470_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A774A1
+	{ .compatible = "renesas,r8a774a1-sysc", .data = &r8a774a1_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A774B1
+	{ .compatible = "renesas,r8a774b1-sysc", .data = &r8a774b1_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A774C0
+	{ .compatible = "renesas,r8a774c0-sysc", .data = &r8a774c0_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A774E1
+	{ .compatible = "renesas,r8a774e1-sysc", .data = &r8a774e1_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A7779
+	{ .compatible = "renesas,r8a7779-sysc", .data = &r8a7779_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A7790
+	{ .compatible = "renesas,r8a7790-sysc", .data = &r8a7790_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A7791
+	{ .compatible = "renesas,r8a7791-sysc", .data = &r8a7791_sysc_info },
+	/* R-Car M2-N is identical to R-Car M2-W w.r.t. power domains. */
+	{ .compatible = "renesas,r8a7793-sysc", .data = &r8a7791_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A7792
+	{ .compatible = "renesas,r8a7792-sysc", .data = &r8a7792_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A7794
+	{ .compatible = "renesas,r8a7794-sysc", .data = &r8a7794_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A7795
+	{ .compatible = "renesas,r8a7795-sysc", .data = &r8a7795_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A77960
+	{ .compatible = "renesas,r8a7796-sysc", .data = &r8a77960_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A77961
+	{ .compatible = "renesas,r8a77961-sysc", .data = &r8a77961_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A77965
+	{ .compatible = "renesas,r8a77965-sysc", .data = &r8a77965_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A77970
+	{ .compatible = "renesas,r8a77970-sysc", .data = &r8a77970_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A77980
+	{ .compatible = "renesas,r8a77980-sysc", .data = &r8a77980_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A77990
+	{ .compatible = "renesas,r8a77990-sysc", .data = &r8a77990_sysc_info },
+#endif
+#ifdef CONFIG_SYSC_R8A77995
+	{ .compatible = "renesas,r8a77995-sysc", .data = &r8a77995_sysc_info },
+#endif
+	{ /* sentinel */ }
+};
+
+struct rcar_pm_domains {
+	struct genpd_onecell_data onecell_data;
+	struct generic_pm_domain *domains[RCAR_PD_ALWAYS_ON + 1];
+};
+
+static struct genpd_onecell_data *rcar_sysc_onecell_data;
+
+static int __init rcar_sysc_pd_init(void)
+{
+	const struct rcar_sysc_info *info;
+	const struct of_device_id *match;
+	struct rcar_pm_domains *domains;
+	struct device_node *np;
+	void __iomem *base;
+	unsigned int i;
+	int error;
+
+	np = of_find_matching_node_and_match(NULL, rcar_sysc_matches, &match);
+	if (!np)
+		return -ENODEV;
+
+	info = match->data;
+
+	if (info->init) {
+		error = info->init();
+		if (error)
+			goto out_put;
+	}
+
+	has_cpg_mstp = of_find_compatible_node(NULL, NULL,
+					       "renesas,cpg-mstp-clocks");
+
+	base = of_iomap(np, 0);
+	if (!base) {
+		pr_warn("%pOF: Cannot map regs\n", np);
+		error = -ENOMEM;
+		goto out_put;
+	}
+
+	rcar_sysc_base = base;
+
+	/* Optional External Request Mask Register */
+	rcar_sysc_extmask_offs = info->extmask_offs;
+	rcar_sysc_extmask_val = info->extmask_val;
+
+	domains = kzalloc(sizeof(*domains), GFP_KERNEL);
+	if (!domains) {
+		error = -ENOMEM;
+		goto out_put;
+	}
+
+	domains->onecell_data.domains = domains->domains;
+	domains->onecell_data.num_domains = ARRAY_SIZE(domains->domains);
+	rcar_sysc_onecell_data = &domains->onecell_data;
+
+	for (i = 0; i < info->num_areas; i++) {
+		const struct rcar_sysc_area *area = &info->areas[i];
+		struct rcar_sysc_pd *pd;
+		size_t n;
+
+		if (!area->name) {
+			/* Skip NULLified area */
+			continue;
+		}
+
+		n = strlen(area->name) + 1;
+		pd = kzalloc(sizeof(*pd) + n, GFP_KERNEL);
+		if (!pd) {
+			error = -ENOMEM;
+			goto out_put;
+		}
+
+		memcpy(pd->name, area->name, n);
+		pd->genpd.name = pd->name;
+		pd->ch.chan_offs = area->chan_offs;
+		pd->ch.chan_bit = area->chan_bit;
+		pd->ch.isr_bit = area->isr_bit;
+		pd->flags = area->flags;
+
+		error = rcar_sysc_pd_setup(pd);
+		if (error)
+			goto out_put;
+
+		domains->domains[area->isr_bit] = &pd->genpd;
+
+		if (area->parent < 0)
+			continue;
+
+		error = pm_genpd_add_subdomain(domains->domains[area->parent],
+					       &pd->genpd);
+		if (error) {
+			pr_warn("Failed to add PM subdomain %s to parent %u\n",
+				area->name, area->parent);
+			goto out_put;
+		}
+	}
+
+	error = of_genpd_add_provider_onecell(np, &domains->onecell_data);
+	if (!error)
+		fwnode_dev_initialized(of_fwnode_handle(np), true);
+
+out_put:
+	of_node_put(np);
+	return error;
+}
+early_initcall(rcar_sysc_pd_init);
+
+void __init rcar_sysc_nullify(struct rcar_sysc_area *areas,
+			      unsigned int num_areas, u8 id)
+{
+	unsigned int i;
+
+	for (i = 0; i < num_areas; i++)
+		if (areas[i].isr_bit == id) {
+			areas[i].name = NULL;
+			return;
+		}
+}
+
+#ifdef CONFIG_ARCH_R8A7779
+static int rcar_sysc_power_cpu(unsigned int idx, bool on)
+{
+	struct generic_pm_domain *genpd;
+	struct rcar_sysc_pd *pd;
+	unsigned int i;
+
+	if (!rcar_sysc_onecell_data)
+		return -ENODEV;
+
+	for (i = 0; i < rcar_sysc_onecell_data->num_domains; i++) {
+		genpd = rcar_sysc_onecell_data->domains[i];
+		if (!genpd)
+			continue;
+
+		pd = to_rcar_pd(genpd);
+		if (!(pd->flags & PD_CPU) || pd->ch.chan_bit != idx)
+			continue;
+
+		return rcar_sysc_power(&pd->ch, on);
+	}
+
+	return -ENOENT;
+}
+
+int rcar_sysc_power_down_cpu(unsigned int cpu)
+{
+	return rcar_sysc_power_cpu(cpu, false);
+}
+
+int rcar_sysc_power_up_cpu(unsigned int cpu)
+{
+	return rcar_sysc_power_cpu(cpu, true);
+}
+#endif /* CONFIG_ARCH_R8A7779 */
diff --git a/drivers/pmdomain/renesas/rcar-sysc.h b/drivers/pmdomain/renesas/rcar-sysc.h
new file mode 100644
index 000000000000..266c599a0a9b
--- /dev/null
+++ b/drivers/pmdomain/renesas/rcar-sysc.h
@@ -0,0 +1,82 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Renesas R-Car System Controller
+ *
+ * Copyright (C) 2016 Glider bvba
+ */
+#ifndef __SOC_RENESAS_RCAR_SYSC_H__
+#define __SOC_RENESAS_RCAR_SYSC_H__
+
+#include <linux/types.h>
+
+
+/*
+ * Power Domain flags
+ */
+#define PD_CPU		BIT(0)	/* Area contains main CPU core */
+#define PD_SCU		BIT(1)	/* Area contains SCU and L2 cache */
+#define PD_NO_CR	BIT(2)	/* Area lacks PWR{ON,OFF}CR registers */
+
+#define PD_CPU_CR	PD_CPU		  /* CPU area has CR (R-Car H1) */
+#define PD_CPU_NOCR	PD_CPU | PD_NO_CR /* CPU area lacks CR (R-Car Gen2/3) */
+#define PD_ALWAYS_ON	PD_NO_CR	  /* Always-on area */
+
+
+/*
+ * Description of a Power Area
+ */
+
+struct rcar_sysc_area {
+	const char *name;
+	u16 chan_offs;		/* Offset of PWRSR register for this area */
+	u8 chan_bit;		/* Bit in PWR* (except for PWRUP in PWRSR) */
+	u8 isr_bit;		/* Bit in SYSCI*R */
+	s8 parent;		/* -1 if none */
+	u8 flags;		/* See PD_* */
+};
+
+
+/*
+ * SoC-specific Power Area Description
+ */
+
+struct rcar_sysc_info {
+	int (*init)(void);	/* Optional */
+	const struct rcar_sysc_area *areas;
+	unsigned int num_areas;
+	/* Optional External Request Mask Register */
+	u32 extmask_offs;	/* SYSCEXTMASK register offset */
+	u32 extmask_val;	/* SYSCEXTMASK register mask value */
+};
+
+extern const struct rcar_sysc_info r8a7742_sysc_info;
+extern const struct rcar_sysc_info r8a7743_sysc_info;
+extern const struct rcar_sysc_info r8a7745_sysc_info;
+extern const struct rcar_sysc_info r8a77470_sysc_info;
+extern const struct rcar_sysc_info r8a774a1_sysc_info;
+extern const struct rcar_sysc_info r8a774b1_sysc_info;
+extern const struct rcar_sysc_info r8a774c0_sysc_info;
+extern const struct rcar_sysc_info r8a774e1_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;
+extern const struct rcar_sysc_info r8a7792_sysc_info;
+extern const struct rcar_sysc_info r8a7794_sysc_info;
+extern struct rcar_sysc_info r8a7795_sysc_info;
+extern const struct rcar_sysc_info r8a77960_sysc_info;
+extern const struct rcar_sysc_info r8a77961_sysc_info;
+extern const struct rcar_sysc_info r8a77965_sysc_info;
+extern const struct rcar_sysc_info r8a77970_sysc_info;
+extern const struct rcar_sysc_info r8a77980_sysc_info;
+extern const struct rcar_sysc_info r8a77990_sysc_info;
+extern const struct rcar_sysc_info r8a77995_sysc_info;
+
+
+    /*
+     * Helpers for fixing up power area tables depending on SoC revision
+     */
+
+extern void rcar_sysc_nullify(struct rcar_sysc_area *areas,
+			      unsigned int num_areas, u8 id);
+
+#endif /* __SOC_RENESAS_RCAR_SYSC_H__ */
diff --git a/drivers/pmdomain/renesas/rmobile-sysc.c b/drivers/pmdomain/renesas/rmobile-sysc.c
new file mode 100644
index 000000000000..912daadaa10d
--- /dev/null
+++ b/drivers/pmdomain/renesas/rmobile-sysc.c
@@ -0,0 +1,343 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * rmobile power management support
+ *
+ * Copyright (C) 2012  Renesas Solutions Corp.
+ * Copyright (C) 2012  Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ * Copyright (C) 2014  Glider bvba
+ *
+ * based on pm-sh7372.c
+ *  Copyright (C) 2011 Magnus Damm
+ */
+#include <linux/clk/renesas.h>
+#include <linux/console.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/iopoll.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/pm.h>
+#include <linux/pm_clock.h>
+#include <linux/pm_domain.h>
+#include <linux/slab.h>
+
+/* SYSC */
+#define SPDCR		0x08	/* SYS Power Down Control Register */
+#define SWUCR		0x14	/* SYS Wakeup Control Register */
+#define PSTR		0x80	/* Power Status Register */
+
+#define PSTR_RETRIES	100
+#define PSTR_DELAY_US	10
+
+struct rmobile_pm_domain {
+	struct generic_pm_domain genpd;
+	struct dev_power_governor *gov;
+	int (*suspend)(void);
+	void __iomem *base;
+	unsigned int bit_shift;
+};
+
+static inline
+struct rmobile_pm_domain *to_rmobile_pd(struct generic_pm_domain *d)
+{
+	return container_of(d, struct rmobile_pm_domain, genpd);
+}
+
+static int rmobile_pd_power_down(struct generic_pm_domain *genpd)
+{
+	struct rmobile_pm_domain *rmobile_pd = to_rmobile_pd(genpd);
+	unsigned int mask = BIT(rmobile_pd->bit_shift);
+	u32 val;
+
+	if (rmobile_pd->suspend) {
+		int ret = rmobile_pd->suspend();
+
+		if (ret)
+			return ret;
+	}
+
+	if (readl(rmobile_pd->base + PSTR) & mask) {
+		writel(mask, rmobile_pd->base + SPDCR);
+
+		readl_poll_timeout_atomic(rmobile_pd->base + SPDCR, val,
+					  !(val & mask), 0, PSTR_RETRIES);
+	}
+
+	pr_debug("%s: Power off, 0x%08x -> PSTR = 0x%08x\n", genpd->name, mask,
+		 readl(rmobile_pd->base + PSTR));
+
+	return 0;
+}
+
+static int __rmobile_pd_power_up(struct rmobile_pm_domain *rmobile_pd)
+{
+	unsigned int val, mask = BIT(rmobile_pd->bit_shift);
+	int ret = 0;
+
+	if (readl(rmobile_pd->base + PSTR) & mask)
+		return ret;
+
+	writel(mask, rmobile_pd->base + SWUCR);
+
+	ret = readl_poll_timeout_atomic(rmobile_pd->base + SWUCR, val,
+					(val & mask), PSTR_DELAY_US,
+					PSTR_RETRIES * PSTR_DELAY_US);
+
+	pr_debug("%s: Power on, 0x%08x -> PSTR = 0x%08x\n",
+		 rmobile_pd->genpd.name, mask,
+		 readl(rmobile_pd->base + PSTR));
+
+	return ret;
+}
+
+static int rmobile_pd_power_up(struct generic_pm_domain *genpd)
+{
+	return __rmobile_pd_power_up(to_rmobile_pd(genpd));
+}
+
+static void rmobile_init_pm_domain(struct rmobile_pm_domain *rmobile_pd)
+{
+	struct generic_pm_domain *genpd = &rmobile_pd->genpd;
+	struct dev_power_governor *gov = rmobile_pd->gov;
+
+	genpd->flags |= GENPD_FLAG_PM_CLK | GENPD_FLAG_ACTIVE_WAKEUP;
+	genpd->attach_dev = cpg_mstp_attach_dev;
+	genpd->detach_dev = cpg_mstp_detach_dev;
+
+	if (!(genpd->flags & GENPD_FLAG_ALWAYS_ON)) {
+		genpd->power_off = rmobile_pd_power_down;
+		genpd->power_on = rmobile_pd_power_up;
+		__rmobile_pd_power_up(rmobile_pd);
+	}
+
+	pm_genpd_init(genpd, gov ? : &simple_qos_governor, false);
+}
+
+static int rmobile_pd_suspend_console(void)
+{
+	/*
+	 * Serial consoles make use of SCIF hardware located in this domain,
+	 * hence keep the power domain on if "no_console_suspend" is set.
+	 */
+	return console_suspend_enabled ? 0 : -EBUSY;
+}
+
+enum pd_types {
+	PD_NORMAL,
+	PD_CPU,
+	PD_CONSOLE,
+	PD_DEBUG,
+	PD_MEMCTL,
+};
+
+#define MAX_NUM_SPECIAL_PDS	16
+
+static struct special_pd {
+	struct device_node *pd;
+	enum pd_types type;
+} special_pds[MAX_NUM_SPECIAL_PDS] __initdata;
+
+static unsigned int num_special_pds __initdata;
+
+static const struct of_device_id special_ids[] __initconst = {
+	{ .compatible = "arm,coresight-etm3x", .data = (void *)PD_DEBUG },
+	{ .compatible = "renesas,dbsc-r8a73a4", .data = (void *)PD_MEMCTL, },
+	{ .compatible = "renesas,dbsc3-r8a7740", .data = (void *)PD_MEMCTL, },
+	{ .compatible = "renesas,sbsc-sh73a0", .data = (void *)PD_MEMCTL, },
+	{ /* sentinel */ },
+};
+
+static void __init add_special_pd(struct device_node *np, enum pd_types type)
+{
+	unsigned int i;
+	struct device_node *pd;
+
+	pd = of_parse_phandle(np, "power-domains", 0);
+	if (!pd)
+		return;
+
+	for (i = 0; i < num_special_pds; i++)
+		if (pd == special_pds[i].pd && type == special_pds[i].type) {
+			of_node_put(pd);
+			return;
+		}
+
+	if (num_special_pds == ARRAY_SIZE(special_pds)) {
+		pr_warn("Too many special PM domains\n");
+		of_node_put(pd);
+		return;
+	}
+
+	pr_debug("Special PM domain %pOFn type %d for %pOF\n", pd, type, np);
+
+	special_pds[num_special_pds].pd = pd;
+	special_pds[num_special_pds].type = type;
+	num_special_pds++;
+}
+
+static void __init get_special_pds(void)
+{
+	struct device_node *np;
+	const struct of_device_id *id;
+
+	/* PM domains containing CPUs */
+	for_each_of_cpu_node(np)
+		add_special_pd(np, PD_CPU);
+
+	/* PM domain containing console */
+	if (of_stdout)
+		add_special_pd(of_stdout, PD_CONSOLE);
+
+	/* PM domains containing other special devices */
+	for_each_matching_node_and_match(np, special_ids, &id)
+		add_special_pd(np, (enum pd_types)id->data);
+}
+
+static void __init put_special_pds(void)
+{
+	unsigned int i;
+
+	for (i = 0; i < num_special_pds; i++)
+		of_node_put(special_pds[i].pd);
+}
+
+static enum pd_types __init pd_type(const struct device_node *pd)
+{
+	unsigned int i;
+
+	for (i = 0; i < num_special_pds; i++)
+		if (pd == special_pds[i].pd)
+			return special_pds[i].type;
+
+	return PD_NORMAL;
+}
+
+static void __init rmobile_setup_pm_domain(struct device_node *np,
+					   struct rmobile_pm_domain *pd)
+{
+	const char *name = pd->genpd.name;
+
+	switch (pd_type(np)) {
+	case PD_CPU:
+		/*
+		 * This domain contains the CPU core and therefore it should
+		 * only be turned off if the CPU is not in use.
+		 */
+		pr_debug("PM domain %s contains CPU\n", name);
+		pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
+		break;
+
+	case PD_CONSOLE:
+		pr_debug("PM domain %s contains serial console\n", name);
+		pd->gov = &pm_domain_always_on_gov;
+		pd->suspend = rmobile_pd_suspend_console;
+		break;
+
+	case PD_DEBUG:
+		/*
+		 * This domain contains the Coresight-ETM hardware block and
+		 * therefore it should only be turned off if the debug module
+		 * is not in use.
+		 */
+		pr_debug("PM domain %s contains Coresight-ETM\n", name);
+		pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
+		break;
+
+	case PD_MEMCTL:
+		/*
+		 * This domain contains a memory-controller and therefore it
+		 * should only be turned off if memory is not in use.
+		 */
+		pr_debug("PM domain %s contains MEMCTL\n", name);
+		pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
+		break;
+
+	case PD_NORMAL:
+		if (pd->bit_shift == ~0) {
+			/* Top-level always-on domain */
+			pr_debug("PM domain %s is always-on domain\n", name);
+			pd->genpd.flags |= GENPD_FLAG_ALWAYS_ON;
+		}
+		break;
+	}
+
+	rmobile_init_pm_domain(pd);
+}
+
+static int __init rmobile_add_pm_domains(void __iomem *base,
+					 struct device_node *parent,
+					 struct generic_pm_domain *genpd_parent)
+{
+	struct device_node *np;
+
+	for_each_child_of_node(parent, np) {
+		struct rmobile_pm_domain *pd;
+		u32 idx = ~0;
+
+		if (of_property_read_u32(np, "reg", &idx)) {
+			/* always-on domain */
+		}
+
+		pd = kzalloc(sizeof(*pd), GFP_KERNEL);
+		if (!pd) {
+			of_node_put(np);
+			return -ENOMEM;
+		}
+
+		pd->genpd.name = np->name;
+		pd->base = base;
+		pd->bit_shift = idx;
+
+		rmobile_setup_pm_domain(np, pd);
+		if (genpd_parent)
+			pm_genpd_add_subdomain(genpd_parent, &pd->genpd);
+		of_genpd_add_provider_simple(np, &pd->genpd);
+
+		rmobile_add_pm_domains(base, np, &pd->genpd);
+	}
+	return 0;
+}
+
+static int __init rmobile_init_pm_domains(void)
+{
+	struct device_node *np, *pmd;
+	bool scanned = false;
+	void __iomem *base;
+	int ret = 0;
+
+	for_each_compatible_node(np, NULL, "renesas,sysc-rmobile") {
+		base = of_iomap(np, 0);
+		if (!base) {
+			pr_warn("%pOF cannot map reg 0\n", np);
+			continue;
+		}
+
+		pmd = of_get_child_by_name(np, "pm-domains");
+		if (!pmd) {
+			iounmap(base);
+			pr_warn("%pOF lacks pm-domains node\n", np);
+			continue;
+		}
+
+		if (!scanned) {
+			/* Find PM domains containing special blocks */
+			get_special_pds();
+			scanned = true;
+		}
+
+		ret = rmobile_add_pm_domains(base, pmd, NULL);
+		of_node_put(pmd);
+		if (ret) {
+			of_node_put(np);
+			break;
+		}
+
+		fwnode_dev_initialized(of_fwnode_handle(np), true);
+	}
+
+	put_special_pds();
+
+	return ret;
+}
+
+core_initcall(rmobile_init_pm_domains);