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soc: renesas: rcar-sysc: Add r8a774b1 support

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Add support for RZ/G2N (R8A774B1) SoC power areas to the R-Car SYSC
driver.

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Link: https://lore.kernel.org/r/1569223780-54304-1-git-send-email-biju.das@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
This commit is contained in:
Biju Das 2019-09-23 08:29:40 +01:00 committed by Geert Uytterhoeven
parent 3b1600c515
commit 6655c568ce
5 changed files with 47 additions and 0 deletions
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5
drivers/soc/renesas/Kconfig
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@ -181,6 +181,7 @@ config ARCH_R8A774A1
config ARCH_R8A774B1
bool "Renesas RZ/G2N SoC Platform"
select ARCH_RCAR_GEN3
select SYSC_R8A774B1
help
This enables support for the Renesas RZ/G2N SoC.
@ -259,6 +260,10 @@ config SYSC_R8A774A1
bool "RZ/G2M System Controller support" if COMPILE_TEST
select SYSC_RCAR
config SYSC_R8A774B1
bool "RZ/G2N System Controller support" if COMPILE_TEST
select SYSC_RCAR
config SYSC_R8A774C0
bool "RZ/G2E System Controller support" if COMPILE_TEST
select SYSC_RCAR

1
drivers/soc/renesas/Makefile
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@ -7,6 +7,7 @@ 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-$(CONFIG_SYSC_R8A774B1) += r8a774b1-sysc.o
obj-$(CONFIG_SYSC_R8A774C0) += r8a774c0-sysc.o
obj-$(CONFIG_SYSC_R8A7779) += r8a7779-sysc.o
obj-$(CONFIG_SYSC_R8A7790) += r8a7790-sysc.o

37
drivers/soc/renesas/r8a774b1-sysc.c Normal file
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@ -0,0 +1,37 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Renesas RZ/G2N System Controller
* Copyright (C) 2019 Renesas Electronics Corp.
*
* Based on Renesas R-Car M3-W System Controller
* Copyright (C) 2016 Glider bvba
*/
#include <linux/bits.h>
#include <linux/kernel.h>
#include <dt-bindings/power/r8a774b1-sysc.h>
#include "rcar-sysc.h"
static const struct rcar_sysc_area r8a774b1_areas[] __initconst = {
{ "always-on", 0, 0, R8A774B1_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
{ "ca57-scu", 0x1c0, 0, R8A774B1_PD_CA57_SCU, R8A774B1_PD_ALWAYS_ON,
PD_SCU },
{ "ca57-cpu0", 0x80, 0, R8A774B1_PD_CA57_CPU0, R8A774B1_PD_CA57_SCU,
PD_CPU_NOCR },
{ "ca57-cpu1", 0x80, 1, R8A774B1_PD_CA57_CPU1, R8A774B1_PD_CA57_SCU,
PD_CPU_NOCR },
{ "a3vc", 0x380, 0, R8A774B1_PD_A3VC, R8A774B1_PD_ALWAYS_ON },
{ "a3vp", 0x340, 0, R8A774B1_PD_A3VP, R8A774B1_PD_ALWAYS_ON },
{ "a2vc1", 0x3c0, 1, R8A774B1_PD_A2VC1, R8A774B1_PD_A3VC },
{ "3dg-a", 0x100, 0, R8A774B1_PD_3DG_A, R8A774B1_PD_ALWAYS_ON },
{ "3dg-b", 0x100, 1, R8A774B1_PD_3DG_B, R8A774B1_PD_3DG_A },
};
const struct rcar_sysc_info r8a774b1_sysc_info __initconst = {
.areas = r8a774b1_areas,
.num_areas = ARRAY_SIZE(r8a774b1_areas),
.extmask_offs = 0x2f8,
.extmask_val = BIT(0),
};

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

@ -287,6 +287,9 @@ static const struct of_device_id rcar_sysc_matches[] __initconst = {
#ifdef CONFIG_SYSC_R8A774A1
{ .compatible = "renesas,r8a774a1-sysc", .data = &r8a774a1_sysc_info },
#endif
#ifdef CONFIG_SYSC_R8A774B1
{ .compatible = "renesas,r8a774b1-sysc", .data = &r8a774b1_sysc_info },
#endif
#ifdef CONFIG_SYSC_R8A774C0
{ .compatible = "renesas,r8a774c0-sysc", .data = &r8a774c0_sysc_info },
#endif

1
drivers/soc/renesas/rcar-sysc.h
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@ -53,6 +53,7 @@ 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 r8a774b1_sysc_info;
extern const struct rcar_sysc_info r8a774c0_sysc_info;
extern const struct rcar_sysc_info r8a7779_sysc_info;
extern const struct rcar_sysc_info r8a7790_sysc_info;