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Date: Thu, 23 Apr 2020 22:40:43 +0100 From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com> To: Geert Uytterhoeven <geert+renesas@...der.be>, Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh+dt@...nel.org>, Philipp Zabel <p.zabel@...gutronix.de>, Magnus Damm <magnus.damm@...il.com>, Russell King <linux@...linux.org.uk> Cc: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@...renesas.com>, linux-clk@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-renesas-soc@...r.kernel.org, linux-pm@...r.kernel.org, Lad Prabhakar <prabhakar.csengg@...il.com>, Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com> Subject: [PATCH 03/10] 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@...renesas.com> Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@...renesas.com> --- drivers/soc/renesas/Kconfig | 4 ++++ drivers/soc/renesas/Makefile | 1 + drivers/soc/renesas/r8a7742-sysc.c | 42 ++++++++++++++++++++++++++++++++++++++ drivers/soc/renesas/rcar-sysc.c | 3 +++ drivers/soc/renesas/rcar-sysc.h | 1 + 5 files changed, 51 insertions(+) create mode 100644 drivers/soc/renesas/r8a7742-sysc.c diff --git a/drivers/soc/renesas/Kconfig b/drivers/soc/renesas/Kconfig index 1982c7f..1eff82c 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 e595c3c..08296d7 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 0000000..219a675 --- /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 f0b291e..04ea87a 100644 --- a/drivers/soc/renesas/rcar-sysc.c +++ b/drivers/soc/renesas/rcar-sysc.c @@ -273,6 +273,9 @@ static int __init rcar_sysc_pd_setup(struct rcar_sysc_pd *pd) } 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 0fc3b11..e417f26 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; -- 2.7.4
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