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soc: renesas: rcar-sysc: add R8A7745 support

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Add support for RZ/G1E (R8A7745) SoC power areas to the R-Car SYSC driver.

Based on the original (and large) patch by Dmitry Shifrin
<[email protected]>.

Signed-off-by: Sergei Shtylyov <[email protected]>
Reviewed-by: Geert Uytterhoeven <[email protected]>
Acked-by: Rob Herring <[email protected]>
Signed-off-by: Simon Horman <[email protected]>
This commit is contained in:
Sergei Shtylyov 2016-11-05 00:46:13 +03:00 • committed by Simon Horman
commit 141723e0cb
5 changed files with 38 additions and 0 deletions
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1
drivers/soc/renesas/Makefile
View file

@ -1,3 +1,4 @@
obj-$(CONFIG_ARCH_R8A7745) += rcar-sysc.o r8a7745-sysc.o
obj-$(CONFIG_ARCH_R8A7779) += rcar-sysc.o r8a7779-sysc.o
obj-$(CONFIG_ARCH_R8A7790) += rcar-sysc.o r8a7790-sysc.o
obj-$(CONFIG_ARCH_R8A7791) += rcar-sysc.o r8a7791-sysc.o

32
drivers/soc/renesas/r8a7745-sysc.c Normal file
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@ -0,0 +1,32 @@
/*
* Renesas RZ/G1E System Controller
*
* Copyright (C) 2016 Cogent Embedded Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation; of the License.
*/
#include <linux/bug.h>
#include <linux/kernel.h>
#include <dt-bindings/power/r8a7745-sysc.h>
#include "rcar-sysc.h"
static const struct rcar_sysc_area r8a7745_areas[] __initconst = {
{ "always-on", 0, 0, R8A7745_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
{ "ca7-scu", 0x100, 0, R8A7745_PD_CA7_SCU, R8A7745_PD_ALWAYS_ON,
PD_SCU },
{ "ca7-cpu0", 0x1c0, 0, R8A7745_PD_CA7_CPU0, R8A7745_PD_CA7_SCU,
PD_CPU_NOCR },
{ "ca7-cpu1", 0x1c0, 1, R8A7745_PD_CA7_CPU1, R8A7745_PD_CA7_SCU,
PD_CPU_NOCR },
{ "sgx", 0xc0, 0, R8A7745_PD_SGX, R8A7745_PD_ALWAYS_ON },
};
const struct rcar_sysc_info r8a7745_sysc_info __initconst = {
.areas = r8a7745_areas,
.num_areas = ARRAY_SIZE(r8a7745_areas),
};

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

@ -275,6 +275,9 @@ finalize:
}
static const struct of_device_id rcar_sysc_matches[] = {
#ifdef CONFIG_ARCH_R8A7745
{ .compatible = "renesas,r8a7745-sysc", .data = &r8a7745_sysc_info },
#endif
#ifdef CONFIG_ARCH_R8A7779
{ .compatible = "renesas,r8a7779-sysc", .data = &r8a7779_sysc_info },
#endif

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

@ -50,6 +50,7 @@ struct rcar_sysc_info {
unsigned int num_areas;
};
extern const struct rcar_sysc_info r8a7745_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;