Add support for R-Car S4-8 (R8A779F0) SoC power areas and register
access.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
---
drivers/soc/renesas/Kconfig | 4 +++
drivers/soc/renesas/Makefile | 1 +
drivers/soc/renesas/r8a779f0-sysc.c | 47 ++++++++++++++++++++++++++++
drivers/soc/renesas/rcar-gen4-sysc.c | 3 ++
drivers/soc/renesas/rcar-gen4-sysc.h | 1 +
5 files changed, 56 insertions(+)
create mode 100644 drivers/soc/renesas/r8a779f0-sysc.c
diff --git a/drivers/soc/renesas/Kconfig b/drivers/soc/renesas/Kconfig
index 2b09d6cf0d66..59a4106a66e9 100644
--- a/drivers/soc/renesas/Kconfig
+++ b/drivers/soc/renesas/Kconfig
@@ -340,6 +340,10 @@ config SYSC_R8A77961
bool "System Controller support for R-Car M3-W+" if COMPILE_TEST
select SYSC_RCAR
+config SYSC_R8A779F0
+ bool "System Controller support for R-Car S4-8" if COMPILE_TEST
+ select SYSC_RCAR_GEN4
+
config SYSC_R8A7792
bool "System Controller support for R-Car V2H" if COMPILE_TEST
select SYSC_RCAR
diff --git a/drivers/soc/renesas/Makefile b/drivers/soc/renesas/Makefile
index db90f3b06007..deeb41f84f01 100644
--- a/drivers/soc/renesas/Makefile
+++ b/drivers/soc/renesas/Makefile
@@ -25,6 +25,7 @@ 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-$(CONFIG_SYSC_R8A779F0) += r8a779f0-sysc.o
ifdef CONFIG_SMP
obj-$(CONFIG_ARCH_R9A06G032) += r9a06g032-smp.o
endif
diff --git a/drivers/soc/renesas/r8a779f0-sysc.c b/drivers/soc/renesas/r8a779f0-sysc.c
new file mode 100644
index 000000000000..5602aa6bd7ed
--- /dev/null
+++ b/drivers/soc/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/soc/renesas/rcar-gen4-sysc.c b/drivers/soc/renesas/rcar-gen4-sysc.c
index d9a0929f5f1d..831162a57f9a 100644
--- a/drivers/soc/renesas/rcar-gen4-sysc.c
+++ b/drivers/soc/renesas/rcar-gen4-sysc.c
@@ -278,6 +278,9 @@ static int __init rcar_gen4_sysc_pd_setup(struct rcar_gen4_sysc_pd *pd)
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
{ /* sentinel */ }
};
diff --git a/drivers/soc/renesas/rcar-gen4-sysc.h b/drivers/soc/renesas/rcar-gen4-sysc.h
index 3470a9e2f5c7..0e0bd102b1f9 100644
--- a/drivers/soc/renesas/rcar-gen4-sysc.h
+++ b/drivers/soc/renesas/rcar-gen4-sysc.h
@@ -38,5 +38,6 @@ struct rcar_gen4_sysc_info {
};
extern const struct rcar_gen4_sysc_info r8a779a0_sysc_info;
+extern const struct rcar_gen4_sysc_info r8a779f0_sysc_info;
#endif /* __SOC_RENESAS_RCAR_GEN4_SYSC_H__ */
--
2.25.1
