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soc: renesas: rcar-sysc: Add support for R-Car H1 power areas

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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>
This commit is contained in:
Geert Uytterhoeven 2016-04-20 14:02:41 +02:00 • committed by Simon Horman
parent 1c8c77f52d
commit 9b83ea17b0
4 changed files with 39 additions and 1 deletions
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2
drivers/soc/renesas/Makefile
View file

@ -1,4 +1,4 @@
obj-$(CONFIG_ARCH_R8A7779) += rcar-sysc.o obj-$(CONFIG_ARCH_R8A7779) += rcar-sysc.o r8a7779-sysc.o
obj-$(CONFIG_ARCH_R8A7790) += rcar-sysc.o obj-$(CONFIG_ARCH_R8A7790) += rcar-sysc.o
obj-$(CONFIG_ARCH_R8A7791) += rcar-sysc.o obj-$(CONFIG_ARCH_R8A7791) += rcar-sysc.o
obj-$(CONFIG_ARCH_R8A7793) += rcar-sysc.o obj-$(CONFIG_ARCH_R8A7793) += rcar-sysc.o

34
drivers/soc/renesas/r8a7779-sysc.c Normal file
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@ -0,0 +1,34 @@
/*
* Renesas R-Car H1 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/r8a7779-sysc.h>
#include "rcar-sysc.h"
static const struct rcar_sysc_area r8a7779_areas[] __initconst = {
{ "always-on", 0, 0, R8A7779_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
{ "arm1", 0x40, 1, R8A7779_PD_ARM1, R8A7779_PD_ALWAYS_ON,
PD_CPU_CR },
{ "arm2", 0x40, 2, R8A7779_PD_ARM2, R8A7779_PD_ALWAYS_ON,
PD_CPU_CR },
{ "arm3", 0x40, 3, R8A7779_PD_ARM3, R8A7779_PD_ALWAYS_ON,
PD_CPU_CR },
{ "sgx", 0xc0, 0, R8A7779_PD_SGX, R8A7779_PD_ALWAYS_ON },
{ "vdp", 0x100, 0, R8A7779_PD_VDP, R8A7779_PD_ALWAYS_ON },
{ "imp", 0x140, 0, R8A7779_PD_IMP, R8A7779_PD_ALWAYS_ON },
};
const struct rcar_sysc_info r8a7779_sysc_info __initconst = {
.areas = r8a7779_areas,
.num_areas = ARRAY_SIZE(r8a7779_areas),
};

3
drivers/soc/renesas/rcar-sysc.c
View file

@ -284,6 +284,9 @@ finalize:
} }
static const struct of_device_id rcar_sysc_matches[] = { static const struct of_device_id rcar_sysc_matches[] = {
#ifdef CONFIG_ARCH_R8A7779
{ .compatible = "renesas,r8a7779-sysc", .data = &r8a7779_sysc_info },
#endif
{ /* sentinel */ } { /* sentinel */ }
}; };

1
drivers/soc/renesas/rcar-sysc.h
View file

@ -50,4 +50,5 @@ struct rcar_sysc_info {
unsigned int num_areas; unsigned int num_areas;
}; };
extern const struct rcar_sysc_info r8a7779_sysc_info;
#endif /* __SOC_RENESAS_RCAR_SYSC_H__ */ #endif /* __SOC_RENESAS_RCAR_SYSC_H__ */