soc: renesas: rcar-sysc: add R8A7743 support
Add support for RZ/G1M (R8A7743) SoC power areas to the R-Car SYSC driver. Based on the original (and large) patch by Dmitry Shifrin <dmitry.shifrin@cogentembedded.com>. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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DT bindings for the Renesas R-Car System Controller
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DT bindings for the Renesas R-Car (RZ/G) System Controller
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== System Controller Node ==
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The R-Car System Controller provides power management for the CPU cores and
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various coprocessors.
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The R-Car (RZ/G) System Controller provides power management for the CPU cores
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and various coprocessors.
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Required properties:
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- compatible: Must contain exactly one of the following:
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- "renesas,r8a7743-sysc" (RZ/G1M)
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- "renesas,r8a7779-sysc" (R-Car H1)
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- "renesas,r8a7790-sysc" (R-Car H2)
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- "renesas,r8a7791-sysc" (R-Car M2-W)
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obj-$(CONFIG_ARCH_R8A7743) += rcar-sysc.o r8a7743-sysc.o
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obj-$(CONFIG_ARCH_R8A7779) += rcar-sysc.o r8a7779-sysc.o
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obj-$(CONFIG_ARCH_R8A7790) += rcar-sysc.o r8a7790-sysc.o
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obj-$(CONFIG_ARCH_R8A7791) += rcar-sysc.o r8a7791-sysc.o
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/*
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* Renesas RZ/G1M System Controller
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*
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* Copyright (C) 2016 Cogent Embedded Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation; of the License.
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*/
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#include <linux/bug.h>
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#include <linux/kernel.h>
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#include <dt-bindings/power/r8a7743-sysc.h>
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#include "rcar-sysc.h"
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static const struct rcar_sysc_area r8a7743_areas[] __initconst = {
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{ "always-on", 0, 0, R8A7743_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
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{ "ca15-scu", 0x180, 0, R8A7743_PD_CA15_SCU, R8A7743_PD_ALWAYS_ON,
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PD_SCU },
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{ "ca15-cpu0", 0x40, 0, R8A7743_PD_CA15_CPU0, R8A7743_PD_CA15_SCU,
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PD_CPU_NOCR },
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{ "ca15-cpu1", 0x40, 1, R8A7743_PD_CA15_CPU1, R8A7743_PD_CA15_SCU,
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PD_CPU_NOCR },
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{ "sgx", 0xc0, 0, R8A7743_PD_SGX, R8A7743_PD_ALWAYS_ON },
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};
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const struct rcar_sysc_info r8a7743_sysc_info __initconst = {
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.areas = r8a7743_areas,
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.num_areas = ARRAY_SIZE(r8a7743_areas),
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};
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@ -275,6 +275,9 @@ finalize:
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}
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static const struct of_device_id rcar_sysc_matches[] = {
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#ifdef CONFIG_ARCH_R8A7743
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{ .compatible = "renesas,r8a7743-sysc", .data = &r8a7743_sysc_info },
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#endif
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#ifdef CONFIG_ARCH_R8A7779
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{ .compatible = "renesas,r8a7779-sysc", .data = &r8a7779_sysc_info },
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#endif
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@ -50,6 +50,7 @@ struct rcar_sysc_info {
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unsigned int num_areas;
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};
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extern const struct rcar_sysc_info r8a7743_sysc_info;
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extern const struct rcar_sysc_info r8a7779_sysc_info;
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extern const struct rcar_sysc_info r8a7790_sysc_info;
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extern const struct rcar_sysc_info r8a7791_sysc_info;
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