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soc: renesas: rcar-sysc: Add r8a774a1 support

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Add support for RZ/G2M (R8A774A1) SoC power areas to the R-Car SYSC
driver.

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Chris Paterson <chris.paterson2@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:
Biju Das 2018-08-02 15:53:19 +01:00 committed by Simon Horman
parent 066f7e63b9
commit 7f0e99cc91
6 changed files with 56 additions and 0 deletions
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1
Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt
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@ -10,6 +10,7 @@ Required properties:
- "renesas,r8a7743-sysc" (RZ/G1M)
- "renesas,r8a7745-sysc" (RZ/G1E)
- "renesas,r8a77470-sysc" (RZ/G1C)
- "renesas,r8a774a1-sysc" (RZ/G2M)
- "renesas,r8a7779-sysc" (R-Car H1)
- "renesas,r8a7790-sysc" (R-Car H2)
- "renesas,r8a7791-sysc" (R-Car M2-W)

5
drivers/soc/renesas/Kconfig
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@ -9,6 +9,7 @@ config SOC_RENESAS
select SYSC_R8A7743 if ARCH_R8A7743
select SYSC_R8A7745 if ARCH_R8A7745
select SYSC_R8A77470 if ARCH_R8A77470
select SYSC_R8A774A1 if ARCH_R8A774A1
select SYSC_R8A7779 if ARCH_R8A7779
select SYSC_R8A7790 if ARCH_R8A7790
select SYSC_R8A7791 if ARCH_R8A7791 || ARCH_R8A7793
@ -37,6 +38,10 @@ config SYSC_R8A77470
bool "RZ/G1C System Controller support" if COMPILE_TEST
select SYSC_RCAR
config SYSC_R8A774A1
bool "RZ/G2M System Controller support" if COMPILE_TEST
select SYSC_RCAR
config SYSC_R8A7779
bool "R-Car H1 System Controller support" if COMPILE_TEST
select SYSC_RCAR

1
drivers/soc/renesas/Makefile
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@ -6,6 +6,7 @@ obj-$(CONFIG_SOC_RENESAS) += renesas-soc.o
obj-$(CONFIG_SYSC_R8A7743) += r8a7743-sysc.o
obj-$(CONFIG_SYSC_R8A7745) += r8a7745-sysc.o
obj-$(CONFIG_SYSC_R8A77470) += r8a77470-sysc.o
obj-$(CONFIG_SYSC_R8A774A1) += r8a774a1-sysc.o
obj-$(CONFIG_SYSC_R8A7779) += r8a7779-sysc.o
obj-$(CONFIG_SYSC_R8A7790) += r8a7790-sysc.o
obj-$(CONFIG_SYSC_R8A7791) += r8a7791-sysc.o

45
drivers/soc/renesas/r8a774a1-sysc.c Normal file
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@ -0,0 +1,45 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Renesas RZ/G2M System Controller
* Copyright (C) 2018 Renesas Electronics Corp.
*
* Based on Renesas R-Car M3-W System Controller
* Copyright (C) 2016 Glider bvba
*/
#include <linux/bug.h>
#include <linux/kernel.h>
#include <dt-bindings/power/r8a774a1-sysc.h>
#include "rcar-sysc.h"
static const struct rcar_sysc_area r8a774a1_areas[] __initconst = {
{ "always-on", 0, 0, R8A774A1_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
{ "ca57-scu", 0x1c0, 0, R8A774A1_PD_CA57_SCU, R8A774A1_PD_ALWAYS_ON,
PD_SCU },
{ "ca57-cpu0", 0x80, 0, R8A774A1_PD_CA57_CPU0, R8A774A1_PD_CA57_SCU,
PD_CPU_NOCR },
{ "ca57-cpu1", 0x80, 1, R8A774A1_PD_CA57_CPU1, R8A774A1_PD_CA57_SCU,
PD_CPU_NOCR },
{ "ca53-scu", 0x140, 0, R8A774A1_PD_CA53_SCU, R8A774A1_PD_ALWAYS_ON,
PD_SCU },
{ "ca53-cpu0", 0x200, 0, R8A774A1_PD_CA53_CPU0, R8A774A1_PD_CA53_SCU,
PD_CPU_NOCR },
{ "ca53-cpu1", 0x200, 1, R8A774A1_PD_CA53_CPU1, R8A774A1_PD_CA53_SCU,
PD_CPU_NOCR },
{ "ca53-cpu2", 0x200, 2, R8A774A1_PD_CA53_CPU2, R8A774A1_PD_CA53_SCU,
PD_CPU_NOCR },
{ "ca53-cpu3", 0x200, 3, R8A774A1_PD_CA53_CPU3, R8A774A1_PD_CA53_SCU,
PD_CPU_NOCR },
{ "a3vc", 0x380, 0, R8A774A1_PD_A3VC, R8A774A1_PD_ALWAYS_ON },
{ "a2vc0", 0x3c0, 0, R8A774A1_PD_A2VC0, R8A774A1_PD_A3VC },
{ "a2vc1", 0x3c0, 1, R8A774A1_PD_A2VC1, R8A774A1_PD_A3VC },
{ "3dg-a", 0x100, 0, R8A774A1_PD_3DG_A, R8A774A1_PD_ALWAYS_ON },
{ "3dg-b", 0x100, 1, R8A774A1_PD_3DG_B, R8A774A1_PD_3DG_A },
};
const struct rcar_sysc_info r8a774a1_sysc_info __initconst = {
.areas = r8a774a1_areas,
.num_areas = ARRAY_SIZE(r8a774a1_areas),
};

3
drivers/soc/renesas/rcar-sysc.c
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@ -275,6 +275,9 @@ static const struct of_device_id rcar_sysc_matches[] __initconst = {
#ifdef CONFIG_SYSC_R8A77470
{ .compatible = "renesas,r8a77470-sysc", .data = &r8a77470_sysc_info },
#endif
#ifdef CONFIG_SYSC_R8A774A1
{ .compatible = "renesas,r8a774a1-sysc", .data = &r8a774a1_sysc_info },
#endif
#ifdef CONFIG_SYSC_R8A7779
{ .compatible = "renesas,r8a7779-sysc", .data = &r8a7779_sysc_info },
#endif

1
drivers/soc/renesas/rcar-sysc.h
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@ -52,6 +52,7 @@ struct rcar_sysc_info {
extern const struct rcar_sysc_info r8a7743_sysc_info;
extern const struct rcar_sysc_info r8a7745_sysc_info;
extern const struct rcar_sysc_info r8a77470_sysc_info;
extern const struct rcar_sysc_info r8a774a1_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;