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soc: renesas: r8a779f0-sysc: Add r8a779f0 support

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Add support for R-Car S4-8 (R8A779F0) SoC power areas and register
access.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20211201073308.1003945-7-yoshihiro.shimoda.uh@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
This commit is contained in:
Yoshihiro Shimoda 2021-12-01 16:33:00 +09:00 committed by Geert Uytterhoeven
parent 5ca77c9d80
commit 654d5fdb89
5 changed files with 56 additions and 0 deletions
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4
drivers/soc/renesas/Kconfig
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@ -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

1
drivers/soc/renesas/Makefile
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@ -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

47
drivers/soc/renesas/r8a779f0-sysc.c Normal file
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@ -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),
};

3
drivers/soc/renesas/rcar-gen4-sysc.c
View File

@ -278,6 +278,9 @@ finalize:
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 */ }
};

1
drivers/soc/renesas/rcar-gen4-sysc.h
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@ -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__ */