summaryrefslogtreecommitdiffstats
path: root/drivers/soc
diff options
context:
space:
mode:
authorLad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>2020-04-23 23:40:43 +0200
committerGeert Uytterhoeven <geert+renesas@glider.be>2020-04-30 10:01:39 +0200
commit5b9fa9cbe654ed0a138fd2dd6b79a19125f3c3e2 (patch)
treed26cbf25a2b19e3b9fff805253cc3a3f4b871275 /drivers/soc
parentMerge tag 'renesas-r8a7742-dt-binding-defs-tag' into renesas-drivers-for-v5.8 (diff)
downloadlinux-5b9fa9cbe654ed0a138fd2dd6b79a19125f3c3e2.tar.xz
linux-5b9fa9cbe654ed0a138fd2dd6b79a19125f3c3e2.zip
soc: renesas: rcar-sysc: Add R8A7742 support
Add support for RZ/G1H (R8A7742) SoC power areas to the R-Car SYSC driver. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com> Link: https://lore.kernel.org/r/1587678050-23468-4-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'drivers/soc')
-rw-r--r--drivers/soc/renesas/Kconfig4
-rw-r--r--drivers/soc/renesas/Makefile1
-rw-r--r--drivers/soc/renesas/r8a7742-sysc.c42
-rw-r--r--drivers/soc/renesas/rcar-sysc.c3
-rw-r--r--drivers/soc/renesas/rcar-sysc.h1
5 files changed, 51 insertions, 0 deletions
diff --git a/drivers/soc/renesas/Kconfig b/drivers/soc/renesas/Kconfig
index 1982c7fb45fa..1eff82c3b934 100644
--- a/drivers/soc/renesas/Kconfig
+++ b/drivers/soc/renesas/Kconfig
@@ -261,6 +261,10 @@ config ARCH_R8A77995
endif # ARM64
# SoC
+config SYSC_R8A7742
+ bool "RZ/G1H System Controller support" if COMPILE_TEST
+ select SYSC_RCAR
+
config SYSC_R8A7743
bool "RZ/G1M System Controller support" if COMPILE_TEST
select SYSC_RCAR
diff --git a/drivers/soc/renesas/Makefile b/drivers/soc/renesas/Makefile
index e595c3c3bd10..08296d78e2ad 100644
--- a/drivers/soc/renesas/Makefile
+++ b/drivers/soc/renesas/Makefile
@@ -3,6 +3,7 @@
obj-$(CONFIG_SOC_RENESAS) += renesas-soc.o
# SoC
+obj-$(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
diff --git a/drivers/soc/renesas/r8a7742-sysc.c b/drivers/soc/renesas/r8a7742-sysc.c
new file mode 100644
index 000000000000..219a675f83f4
--- /dev/null
+++ b/drivers/soc/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/soc/renesas/rcar-sysc.c b/drivers/soc/renesas/rcar-sysc.c
index f0b291e02b8a..04ea87a188f1 100644
--- a/drivers/soc/renesas/rcar-sysc.c
+++ b/drivers/soc/renesas/rcar-sysc.c
@@ -273,6 +273,9 @@ finalize:
}
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. */
diff --git a/drivers/soc/renesas/rcar-sysc.h b/drivers/soc/renesas/rcar-sysc.h
index 0fc3b119930a..e417f26fe155 100644
--- a/drivers/soc/renesas/rcar-sysc.h
+++ b/drivers/soc/renesas/rcar-sysc.h
@@ -49,6 +49,7 @@ struct rcar_sysc_info {
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;