github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-11-07 06:17:02 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

pmdomain: renesas: rcar-sys: Add r8a774a3 support

Browse Source 
Add support for Renesas RZ/G2M v3.0 (a.k.a. R8A774A3) SoC power areas
to the R-Car SYSC driver. The RZ/G2M v3.0 SYSC is similar to the RZ/G2M
v1.3 SYSC, however it lacks the A2VC0 power area.

Signed-off-by: Ayman Chaudhry <ayman.chaudhry.kc@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Ulf Hansson <ulfh@kernel.org>
This commit is contained in:
Ayman Chaudhry 2026-09-21 13:44:23 +00:00 committed by Ulf Hansson
parent ff0829a21a
commit 7260dfd672
5 changed files with 54 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/pmdomain/renesas/Kconfig
View File

@ -37,6 +37,10 @@ config SYSC_R8A774A1
bool "System Controller support for R8A774A1 (RZ/G2M)" if COMPILE_TEST
select SYSC_RCAR
config SYSC_R8A774A3
bool "System Controller support for R8A774A3 (RZ/G2M v3.0)" if COMPILE_TEST
select SYSC_RCAR
config SYSC_R8A774B1
bool "System Controller support for R8A774B1 (RZ/G2N)" if COMPILE_TEST
select SYSC_RCAR

1
drivers/pmdomain/renesas/Makefile
View File

@ -6,6 +6,7 @@ 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-$(CONFIG_SYSC_R8A774A3) += r8a774a3-sysc.o
obj-$(CONFIG_SYSC_R8A774B1) += r8a774b1-sysc.o
obj-$(CONFIG_SYSC_R8A774C0) += r8a774c0-sysc.o
obj-$(CONFIG_SYSC_R8A774E1) += r8a774e1-sysc.o

45
drivers/pmdomain/renesas/r8a774a3-sysc.c Normal file
View File

@ -0,0 +1,45 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Renesas RZ/G2M v3.0 System Controller
* Copyright (C) 2026 Renesas Electronics Corp.
*
* Based on Renesas R-Car M3-W System Controller
* Copyright (C) 2016 Glider bvba
*/
#include <linux/kernel.h>
#include <dt-bindings/power/renesas,r8a774a3-sysc.h>
#include "rcar-sysc.h"
static const struct rcar_sysc_area r8a774a3_areas[] __initconst = {
{ "always-on", 0, 0, R8A774A3_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
{ "ca57-scu", 0x1c0, 0, R8A774A3_PD_CA57_SCU, R8A774A3_PD_ALWAYS_ON,
PD_SCU },
{ "ca57-cpu0", 0x80, 0, R8A774A3_PD_CA57_CPU0, R8A774A3_PD_CA57_SCU,
PD_CPU_NOCR },
{ "ca57-cpu1", 0x80, 1, R8A774A3_PD_CA57_CPU1, R8A774A3_PD_CA57_SCU,
PD_CPU_NOCR },
{ "ca53-scu", 0x140, 0, R8A774A3_PD_CA53_SCU, R8A774A3_PD_ALWAYS_ON,
PD_SCU },
{ "ca53-cpu0", 0x200, 0, R8A774A3_PD_CA53_CPU0, R8A774A3_PD_CA53_SCU,
PD_CPU_NOCR },
{ "ca53-cpu1", 0x200, 1, R8A774A3_PD_CA53_CPU1, R8A774A3_PD_CA53_SCU,
PD_CPU_NOCR },
{ "ca53-cpu2", 0x200, 2, R8A774A3_PD_CA53_CPU2, R8A774A3_PD_CA53_SCU,
PD_CPU_NOCR },
{ "ca53-cpu3", 0x200, 3, R8A774A3_PD_CA53_CPU3, R8A774A3_PD_CA53_SCU,
PD_CPU_NOCR },
{ "a3vc", 0x380, 0, R8A774A3_PD_A3VC, R8A774A3_PD_ALWAYS_ON },
{ "a2vc1", 0x3c0, 1, R8A774A3_PD_A2VC1, R8A774A3_PD_A3VC },
{ "3dg-a", 0x100, 0, R8A774A3_PD_3DG_A, R8A774A3_PD_ALWAYS_ON },
{ "3dg-b", 0x100, 1, R8A774A3_PD_3DG_B, R8A774A3_PD_3DG_A },
};
const struct rcar_sysc_info r8a774a3_sysc_info __initconst = {
.areas = r8a774a3_areas,
.num_areas = ARRAY_SIZE(r8a774a3_areas),
.extmask_offs = 0x2f8,
.extmask_val = BIT(0),
};

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

@ -284,6 +284,9 @@ 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_R8A774A3
{ .compatible = "renesas,r8a774a3-sysc", .data = &r8a774a3_sysc_info },
#endif
#ifdef CONFIG_SYSC_R8A774B1
{ .compatible = "renesas,r8a774b1-sysc", .data = &r8a774b1_sysc_info },
#endif

1
drivers/pmdomain/renesas/rcar-sysc.h
View File

@ -61,6 +61,7 @@ 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 r8a774a3_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 r8a774e1_sysc_info;