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soc: renesas: rcar-sysc: Add support for R-Car D3 power areas

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Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Geert Uytterhoeven 2017-07-20 14:34:53 +02:00 committed by Simon Horman
parent ee011c5b4c
commit eed17c427f
6 changed files with 42 additions and 0 deletions
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1
Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt
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@ -17,6 +17,7 @@ Required properties:
- "renesas,r8a7794-sysc" (R-Car E2)
- "renesas,r8a7795-sysc" (R-Car H3)
- "renesas,r8a7796-sysc" (R-Car M3-W)
- "renesas,r8a77995-sysc" (R-Car D3)
- reg: Address start and address range for the device.
- #power-domain-cells: Must be 1.

5
drivers/soc/renesas/Kconfig
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@ -13,6 +13,7 @@ config SOC_RENESAS
select SYSC_R8A7794 if ARCH_R8A7794
select SYSC_R8A7795 if ARCH_R8A7795
select SYSC_R8A7796 if ARCH_R8A7796
select SYSC_R8A77995 if ARCH_R8A77995
if SOC_RENESAS
@ -53,6 +54,10 @@ config SYSC_R8A7796
bool "R-Car M3-W System Controller support" if COMPILE_TEST
select SYSC_RCAR
config SYSC_R8A77995
bool "R-Car D3 System Controller support" if COMPILE_TEST
select SYSC_RCAR
# Family
config RST_RCAR
bool "R-Car Reset Controller support" if COMPILE_TEST

1
drivers/soc/renesas/Makefile
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@ -11,6 +11,7 @@ obj-$(CONFIG_SYSC_R8A7792) += r8a7792-sysc.o
obj-$(CONFIG_SYSC_R8A7794) += r8a7794-sysc.o
obj-$(CONFIG_SYSC_R8A7795) += r8a7795-sysc.o
obj-$(CONFIG_SYSC_R8A7796) += r8a7796-sysc.o
obj-$(CONFIG_SYSC_R8A77995) += r8a77995-sysc.o
# Family
obj-$(CONFIG_RST_RCAR) += rcar-rst.o

31
drivers/soc/renesas/r8a77995-sysc.c Normal file
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@ -0,0 +1,31 @@
/*
* Renesas R-Car D3 System Controller
*
* Copyright (C) 2017 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 <linux/sys_soc.h>
#include <dt-bindings/power/r8a77995-sysc.h>
#include "rcar-sysc.h"
static struct rcar_sysc_area r8a77995_areas[] __initdata = {
{ "always-on", 0, 0, R8A77995_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
{ "ca53-scu", 0x140, 0, R8A77995_PD_CA53_SCU, R8A77995_PD_ALWAYS_ON,
PD_SCU },
{ "ca53-cpu0", 0x200, 0, R8A77995_PD_CA53_CPU0, R8A77995_PD_CA53_SCU,
PD_CPU_NOCR },
};
const struct rcar_sysc_info r8a77995_sysc_info __initconst = {
.areas = r8a77995_areas,
.num_areas = ARRAY_SIZE(r8a77995_areas),
};

3
drivers/soc/renesas/rcar-sysc.c
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@ -283,6 +283,9 @@ static const struct of_device_id rcar_sysc_matches[] = {
#endif
#ifdef CONFIG_SYSC_R8A7796
{ .compatible = "renesas,r8a7796-sysc", .data = &r8a7796_sysc_info },
#endif
#ifdef CONFIG_SYSC_R8A77995
{ .compatible = "renesas,r8a77995-sysc", .data = &r8a77995_sysc_info },
#endif
{ /* sentinel */ }
};

1
drivers/soc/renesas/rcar-sysc.h
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@ -58,6 +58,7 @@ extern const struct rcar_sysc_info r8a7792_sysc_info;
extern const struct rcar_sysc_info r8a7794_sysc_info;
extern const struct rcar_sysc_info r8a7795_sysc_info;
extern const struct rcar_sysc_info r8a7796_sysc_info;
extern const struct rcar_sysc_info r8a77995_sysc_info;
/*