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soc: renesas: rcar-sysc: Add support for R-Car E2 power areas 

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
hifive-unleashed-5.1
Geert Uytterhoeven 2016-04-20 14:02:45 +02:00 committed by Simon Horman
parent a247eb93ef
commit 9af1dbcc30
4 changed files with 38 additions and 1 deletions
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2
drivers/soc/renesas/Makefile
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@ -3,4 +3,4 @@ obj-$(CONFIG_ARCH_R8A7790) += rcar-sysc.o r8a7790-sysc.o
obj-$(CONFIG_ARCH_R8A7791) += rcar-sysc.o r8a7791-sysc.o
# R-Car M2-N is identical to R-Car M2-W w.r.t. power domains.
obj-$(CONFIG_ARCH_R8A7793) += rcar-sysc.o r8a7791-sysc.o
obj-$(CONFIG_ARCH_R8A7794) += rcar-sysc.o
obj-$(CONFIG_ARCH_R8A7794) += rcar-sysc.o r8a7794-sysc.o

33
drivers/soc/renesas/r8a7794-sysc.c 100644
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@ -0,0 +1,33 @@
/*
* Renesas R-Car E2 System Controller
*
* Copyright (C) 2016 Glider bvba
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*/
#include <linux/bug.h>
#include <linux/kernel.h>
#include <dt-bindings/power/r8a7794-sysc.h>
#include "rcar-sysc.h"
static const struct rcar_sysc_area r8a7794_areas[] __initconst = {
{ "always-on", 0, 0, R8A7794_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
{ "ca7-scu", 0x100, 0, R8A7794_PD_CA7_SCU, R8A7794_PD_ALWAYS_ON,
PD_SCU },
{ "ca7-cpu0", 0x1c0, 0, R8A7794_PD_CA7_CPU0, R8A7794_PD_CA7_SCU,
PD_CPU_NOCR },
{ "ca7-cpu1", 0x1c0, 1, R8A7794_PD_CA7_CPU1, R8A7794_PD_CA7_SCU,
PD_CPU_NOCR },
{ "sh-4a", 0x80, 0, R8A7794_PD_SH_4A, R8A7794_PD_ALWAYS_ON },
{ "sgx", 0xc0, 0, R8A7794_PD_SGX, R8A7794_PD_ALWAYS_ON },
};
const struct rcar_sysc_info r8a7794_sysc_info __initconst = {
.areas = r8a7794_areas,
.num_areas = ARRAY_SIZE(r8a7794_areas),
};

3
drivers/soc/renesas/rcar-sysc.c
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@ -296,6 +296,9 @@ static const struct of_device_id rcar_sysc_matches[] = {
#ifdef CONFIG_ARCH_R8A7793
/* R-Car M2-N is identical to R-Car M2-W w.r.t. power domains. */
{ .compatible = "renesas,r8a7793-sysc", .data = &r8a7791_sysc_info },
#endif
#ifdef CONFIG_ARCH_R8A7794
{ .compatible = "renesas,r8a7794-sysc", .data = &r8a7794_sysc_info },
#endif
{ /* sentinel */ }
};

1
drivers/soc/renesas/rcar-sysc.h
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@ -53,4 +53,5 @@ struct rcar_sysc_info {
extern const struct rcar_sysc_info r8a7779_sysc_info;
extern const struct rcar_sysc_info r8a7790_sysc_info;
extern const struct rcar_sysc_info r8a7791_sysc_info;
extern const struct rcar_sysc_info r8a7794_sysc_info;
#endif /* __SOC_RENESAS_RCAR_SYSC_H__ */