6 files changed, 44 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt b/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt
index 3e91d2032253..180ae65be753 100644
--- a/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt
+++ b/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt
@@ -21,6 +21,7 @@ Required properties:
       - "renesas,r8a77965-sysc" (R-Car M3-N)
       - "renesas,r8a77970-sysc" (R-Car V3M)
       - "renesas,r8a77980-sysc" (R-Car V3H)
+      - "renesas,r8a77990-sysc" (R-Car E3)
       - "renesas,r8a77995-sysc" (R-Car D3)
   - reg: Address start and address range for the device.
   - #power-domain-cells: Must be 1.
diff --git a/drivers/soc/renesas/Kconfig b/drivers/soc/renesas/Kconfig
index c0e0286a2360..1d824cbd462d 100644
--- a/drivers/soc/renesas/Kconfig
+++ b/drivers/soc/renesas/Kconfig
@@ -19,6 +19,7 @@ config SOC_RENESAS
         select SYSC_R8A77965 if ARCH_R8A77965
         select SYSC_R8A77970 if ARCH_R8A77970
         select SYSC_R8A77980 if ARCH_R8A77980
+        select SYSC_R8A77990 if ARCH_R8A77990
         select SYSC_R8A77995 if ARCH_R8A77995
 
 if SOC_RENESAS
@@ -76,6 +77,10 @@ config SYSC_R8A77980
         bool "R-Car V3H System Controller support" if COMPILE_TEST
         select SYSC_RCAR
 
+config SYSC_R8A77990
+        bool "R-Car E3 System Controller support" if COMPILE_TEST
+        select SYSC_RCAR
+
 config SYSC_R8A77995
         bool "R-Car D3 System Controller support" if COMPILE_TEST
         select SYSC_RCAR
diff --git a/drivers/soc/renesas/Makefile b/drivers/soc/renesas/Makefile
index a86ece7b84d1..7dc0f20d7907 100644
--- a/drivers/soc/renesas/Makefile
+++ b/drivers/soc/renesas/Makefile
@@ -16,6 +16,7 @@ obj-$(CONFIG_SYSC_R8A7796)	+= r8a7796-sysc.o
 obj-$(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
 
 # Family
diff --git a/drivers/soc/renesas/r8a77990-sysc.c b/drivers/soc/renesas/r8a77990-sysc.c
new file mode 100644
index 000000000000..a8c6417fcd2b
--- /dev/null
+++ b/drivers/soc/renesas/r8a77990-sysc.c
@@ -0,0 +1,33 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car E3 System Controller
+ *
+ * Copyright (C) 2018 Renesas Electronics Corp.
+ */
+
+#include <linux/bug.h>
+#include <linux/kernel.h>
+
+#include <dt-bindings/power/r8a77990-sysc.h>
+
+#include "rcar-sysc.h"
+
+static const struct rcar_sysc_area r8a77990_areas[] __initconst = {
+        { "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 },
+};
+
+const struct rcar_sysc_info r8a77990_sysc_info __initconst = {
+        .areas = r8a77990_areas,
+        .num_areas = ARRAY_SIZE(r8a77990_areas),
+};
diff --git a/drivers/soc/renesas/rcar-sysc.c b/drivers/soc/renesas/rcar-sysc.c
index 99203bdc333a..95120acc4d80 100644
--- a/drivers/soc/renesas/rcar-sysc.c
+++ b/drivers/soc/renesas/rcar-sysc.c
@@ -296,6 +296,9 @@ static const struct of_device_id rcar_sysc_matches[] __initconst = {
 #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
diff --git a/drivers/soc/renesas/rcar-sysc.h b/drivers/soc/renesas/rcar-sysc.h
index 9b24e3af288f..a22e7cf25e30 100644
--- a/drivers/soc/renesas/rcar-sysc.h
+++ b/drivers/soc/renesas/rcar-sysc.h
@@ -62,6 +62,7 @@ extern const struct rcar_sysc_info r8a7796_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;