[PATCH 03/10] pmdomain: renesas: rcar-sys: Add r8a774a3 support
Ayman Chaudhry <[email protected]>
| Newsgroups | org.kernel.vger.linux-pm,org.kernel.vger.linux-clk,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel,org.kernel.vger.linux-renesas-soc |
|---|---|
| Message-ID | <[email protected]> |
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 <[email protected]> --- drivers/pmdomain/renesas/Kconfig | 4 +++ drivers/pmdomain/renesas/Makefile | 1 + drivers/pmdomain/renesas/r8a774a3-sysc.c | 45 ++++++++++++++++++++++++ drivers/pmdomain/renesas/rcar-sysc.c | 3 ++ drivers/pmdomain/renesas/rcar-sysc.h | 1 + 5 files changed, 54 insertions(+) create mode 100644 drivers/pmdomain/renesas/r8a774a3-sysc.c diff --git a/drivers/pmdomain/renesas/Kconfig b/drivers/pmdomain/renesas/Kconfig index f2f52d3c29a0..df19b95c4655 100644 --- a/drivers/pmdomain/renesas/Kconfig +++ b/drivers/pmdomain/renesas/Kconfig @@ -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 diff --git a/drivers/pmdomain/renesas/Makefile b/drivers/pmdomain/renesas/Makefile index 17849aad37a5..8eda820478e4 100644 --- a/drivers/pmdomain/renesas/Makefile +++ b/drivers/pmdomain/renesas/Makefile @@ -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 diff --git a/drivers/pmdomain/renesas/r8a774a3-sysc.c b/drivers/pmdomain/renesas/r8a774a3-sysc.c new file mode 100644 index 000000000000..7c8160e09cf3 --- /dev/null +++ b/drivers/pmdomain/renesas/r8a774a3-sysc.c @@ -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/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), +}; diff --git a/drivers/pmdomain/renesas/rcar-sysc.c b/drivers/pmdomain/renesas/rcar-sysc.c index bd7bb9cbd9da..3c8a44c6d772 100644 --- a/drivers/pmdomain/renesas/rcar-sysc.c +++ b/drivers/pmdomain/renesas/rcar-sysc.c @@ -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 diff --git a/drivers/pmdomain/renesas/rcar-sysc.h b/drivers/pmdomain/renesas/rcar-sysc.h index 07ffce310686..9e93a1f98f68 100644 --- a/drivers/pmdomain/renesas/rcar-sysc.h +++ b/drivers/pmdomain/renesas/rcar-sysc.h @@ -55,6 +55,7 @@ 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; -- 2.34.1