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soc: renesas: rcar-sysc: Add support for R-Car E3 power areas

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This patch adds Cortex-A53 CPU{0,1}, Cortex-A53 SCU, Cortex-R7, A3VC,
A2VC1 and 3DG-{A,B} power domain areas for the R8A77990 SoC.

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
[shimoda: fix 3DG-{A,B} and add SPDX-License-Identifier]
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Takeshi Kihara 2018-05-15 21:07:38 +09:00 committed by Simon Horman
parent d9dcd6c1c6
commit 44b12d4311
6 changed files with 44 additions and 0 deletions
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1
Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt
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@ -21,6 +21,7 @@ Required properties:
- "renesas,r8a77965-sysc" (R-Car M3-N)
- "renesas,r8a77970-sysc" (R-Car V3M)
- "renesas,r8a77980-sysc" (R-Car V3H)
- "renesas,r8a77990-sysc" (R-Car E3)
- "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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@ -19,6 +19,7 @@ config SOC_RENESAS
select SYSC_R8A77965 if ARCH_R8A77965
select SYSC_R8A77970 if ARCH_R8A77970
select SYSC_R8A77980 if ARCH_R8A77980
select SYSC_R8A77990 if ARCH_R8A77990
select SYSC_R8A77995 if ARCH_R8A77995
if SOC_RENESAS
@ -76,6 +77,10 @@ config SYSC_R8A77980
bool "R-Car V3H System Controller support" if COMPILE_TEST
select SYSC_RCAR
config SYSC_R8A77990
bool "R-Car E3 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

1
drivers/soc/renesas/Makefile
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@ -16,6 +16,7 @@ obj-$(CONFIG_SYSC_R8A7796) += r8a7796-sysc.o
obj-$(CONFIG_SYSC_R8A77965) += r8a77965-sysc.o
obj-$(CONFIG_SYSC_R8A77970) += r8a77970-sysc.o
obj-$(CONFIG_SYSC_R8A77980) += r8a77980-sysc.o
obj-$(CONFIG_SYSC_R8A77990) += r8a77990-sysc.o
obj-$(CONFIG_SYSC_R8A77995) += r8a77995-sysc.o
# Family

33
drivers/soc/renesas/r8a77990-sysc.c Normal file
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@ -0,0 +1,33 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Renesas R-Car E3 System Controller
*
* Copyright (C) 2018 Renesas Electronics Corp.
*/
#include <linux/bug.h>
#include <linux/kernel.h>
#include <dt-bindings/power/r8a77990-sysc.h>
#include "rcar-sysc.h"
static const struct rcar_sysc_area r8a77990_areas[] __initconst = {
{ "always-on", 0, 0, R8A77990_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
{ "ca53-scu", 0x140, 0, R8A77990_PD_CA53_SCU, R8A77990_PD_ALWAYS_ON,
PD_SCU },
{ "ca53-cpu0", 0x200, 0, R8A77990_PD_CA53_CPU0, R8A77990_PD_CA53_SCU,
PD_CPU_NOCR },
{ "ca53-cpu1", 0x200, 1, R8A77990_PD_CA53_CPU1, R8A77990_PD_CA53_SCU,
PD_CPU_NOCR },
{ "cr7", 0x240, 0, R8A77990_PD_CR7, R8A77990_PD_ALWAYS_ON },
{ "a3vc", 0x380, 0, R8A77990_PD_A3VC, R8A77990_PD_ALWAYS_ON },
{ "a2vc1", 0x3c0, 1, R8A77990_PD_A2VC1, R8A77990_PD_A3VC },
{ "3dg-a", 0x100, 0, R8A77990_PD_3DG_A, R8A77990_PD_ALWAYS_ON },
{ "3dg-b", 0x100, 1, R8A77990_PD_3DG_B, R8A77990_PD_3DG_A },
};
const struct rcar_sysc_info r8a77990_sysc_info __initconst = {
.areas = r8a77990_areas,
.num_areas = ARRAY_SIZE(r8a77990_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[] __initconst = {
#ifdef CONFIG_SYSC_R8A77980
{ .compatible = "renesas,r8a77980-sysc", .data = &r8a77980_sysc_info },
#endif
#ifdef CONFIG_SYSC_R8A77990
{ .compatible = "renesas,r8a77990-sysc", .data = &r8a77990_sysc_info },
#endif
#ifdef CONFIG_SYSC_R8A77995
{ .compatible = "renesas,r8a77995-sysc", .data = &r8a77995_sysc_info },
#endif

1
drivers/soc/renesas/rcar-sysc.h
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@ -62,6 +62,7 @@ extern const struct rcar_sysc_info r8a7796_sysc_info;
extern const struct rcar_sysc_info r8a77965_sysc_info;
extern const struct rcar_sysc_info r8a77970_sysc_info;
extern const struct rcar_sysc_info r8a77980_sysc_info;
extern const struct rcar_sysc_info r8a77990_sysc_info;
extern const struct rcar_sysc_info r8a77995_sysc_info;