From: Biju Das Date: Tue, 3 Feb 2026 10:30:12 +0000 (+0000) Subject: soc: renesas: rz-sysc: Add SoC identification for RZ/G3L SoC X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=b1de9823fdc67a8e9cd0dcf1f6f0e9780d425d4e;p=thirdparty%2Fkernel%2Flinux.git soc: renesas: rz-sysc: Add SoC identification for RZ/G3L SoC Add SoC identification for the RZ/G3L SoC using the System Controller (SYSC) block. Signed-off-by: Biju Das Reviewed-by: Geert Uytterhoeven Link: https://patch.msgid.link/20260203103031.247435-5-biju.das.jz@bp.renesas.com Signed-off-by: Geert Uytterhoeven --- diff --git a/drivers/soc/renesas/Kconfig b/drivers/soc/renesas/Kconfig index 1e50dc7c31cd7..26bed0fdceb00 100644 --- a/drivers/soc/renesas/Kconfig +++ b/drivers/soc/renesas/Kconfig @@ -390,6 +390,14 @@ config ARCH_R9A08G045 help This enables support for the Renesas RZ/G3S SoC variants. +config ARCH_R9A08G046 + bool "ARM64 Platform support for R9A08G046 (RZ/G3L)" + default y if ARCH_RENESAS + select ARCH_RZG2L + select SYSC_R9A08G046 + help + This enables support for the Renesas RZ/G3L SoC variants. + config ARCH_R9A09G011 bool "ARM64 Platform support for R9A09G011 (RZ/V2M)" default y if ARCH_RENESAS @@ -474,6 +482,10 @@ config SYSC_R9A08G045 bool "Renesas System controller support for R9A08G045 (RZ/G3S)" if COMPILE_TEST select SYSC_RZ +config SYSC_R9A08G046 + bool "Renesas System controller support for R9A08G046 (RZ/G3L)" if COMPILE_TEST + select SYSC_RZ + config SYS_R9A09G047 bool "Renesas System controller support for R9A09G047 (RZ/G3E)" if COMPILE_TEST select SYSC_RZ diff --git a/drivers/soc/renesas/Makefile b/drivers/soc/renesas/Makefile index 33d44d964d61b..655dbcb087472 100644 --- a/drivers/soc/renesas/Makefile +++ b/drivers/soc/renesas/Makefile @@ -7,6 +7,7 @@ ifdef CONFIG_SMP obj-$(CONFIG_ARCH_R9A06G032) += r9a06g032-smp.o endif obj-$(CONFIG_SYSC_R9A08G045) += r9a08g045-sysc.o +obj-$(CONFIG_SYSC_R9A08G046) += r9a08g046-sysc.o obj-$(CONFIG_SYS_R9A09G047) += r9a09g047-sys.o obj-$(CONFIG_SYS_R9A09G056) += r9a09g056-sys.o obj-$(CONFIG_SYS_R9A09G057) += r9a09g057-sys.o diff --git a/drivers/soc/renesas/r9a08g046-sysc.c b/drivers/soc/renesas/r9a08g046-sysc.c new file mode 100644 index 0000000000000..fd98df196d0a5 --- /dev/null +++ b/drivers/soc/renesas/r9a08g046-sysc.c @@ -0,0 +1,91 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * RZ/G3L System controller (SYSC) driver + * + * Copyright (C) 2026 Renesas Electronics Corp. + */ + +#include +#include +#include + +#include "rz-sysc.h" + +#define SYS_XSPI_MAP_STAADD_CS0 0x348 +#define SYS_XSPI_MAP_ENDADD_CS0 0x34c +#define SYS_XSPI_MAP_STAADD_CS1 0x350 +#define SYS_XSPI_MAP_ENDADD_CS1 0x354 +#define SYS_GETH0_CFG 0x380 +#define SYS_GETH1_CFG 0x390 +#define SYS_PCIE_CFG 0x3a0 +#define SYS_PCIE_MON 0x3a4 +#define SYS_PCIE_PHY 0x3b4 +#define SYS_I2C0_CFG 0x400 +#define SYS_I2C1_CFG 0x410 +#define SYS_I2C2_CFG 0x420 +#define SYS_I2C3_CFG 0x430 +#define SYS_I3C_CFG 0x440 +#define SYS_PWRRDY_N 0xd70 +#define SYS_IPCONT_SEL_CLONECH 0xe2c + +static bool rzg3l_regmap_readable_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case SYS_XSPI_MAP_STAADD_CS0: + case SYS_XSPI_MAP_ENDADD_CS0: + case SYS_XSPI_MAP_STAADD_CS1: + case SYS_XSPI_MAP_ENDADD_CS1: + case SYS_GETH0_CFG: + case SYS_GETH1_CFG: + case SYS_PCIE_CFG: + case SYS_PCIE_MON: + case SYS_PCIE_PHY: + case SYS_I2C0_CFG: + case SYS_I2C1_CFG: + case SYS_I2C2_CFG: + case SYS_I2C3_CFG: + case SYS_I3C_CFG: + case SYS_PWRRDY_N: + case SYS_IPCONT_SEL_CLONECH: + return true; + default: + return false; + } +} + +static bool rzg3l_regmap_writeable_reg(struct device *dev, unsigned int reg) +{ + switch (reg) { + case SYS_XSPI_MAP_STAADD_CS0: + case SYS_XSPI_MAP_ENDADD_CS0: + case SYS_XSPI_MAP_STAADD_CS1: + case SYS_XSPI_MAP_ENDADD_CS1: + case SYS_PCIE_CFG: + case SYS_PCIE_PHY: + case SYS_I2C0_CFG: + case SYS_I2C1_CFG: + case SYS_I2C2_CFG: + case SYS_I2C3_CFG: + case SYS_I3C_CFG: + case SYS_PWRRDY_N: + case SYS_IPCONT_SEL_CLONECH: + return true; + default: + return false; + } +} + +static const struct rz_sysc_soc_id_init_data rzg3l_sysc_soc_id_init_data __initconst = { + .family = "RZ/G3L", + .id = 0x87d9447, + .devid_offset = 0xa04, + .revision_mask = GENMASK(31, 28), + .specific_id_mask = GENMASK(27, 0), +}; + +const struct rz_sysc_init_data rzg3l_sysc_init_data __initconst = { + .soc_id_init_data = &rzg3l_sysc_soc_id_init_data, + .readable_reg = rzg3l_regmap_readable_reg, + .writeable_reg = rzg3l_regmap_writeable_reg, + .max_register = 0xe2c, +}; diff --git a/drivers/soc/renesas/rz-sysc.c b/drivers/soc/renesas/rz-sysc.c index 7471dc8736e63..161e8c38eea69 100644 --- a/drivers/soc/renesas/rz-sysc.c +++ b/drivers/soc/renesas/rz-sysc.c @@ -88,6 +88,9 @@ static const struct of_device_id rz_sysc_match[] = { #ifdef CONFIG_SYSC_R9A08G045 { .compatible = "renesas,r9a08g045-sysc", .data = &rzg3s_sysc_init_data }, #endif +#ifdef CONFIG_SYSC_R9A08G046 + { .compatible = "renesas,r9a08g046-sysc", .data = &rzg3l_sysc_init_data }, +#endif #ifdef CONFIG_SYS_R9A09G047 { .compatible = "renesas,r9a09g047-sys", .data = &rzg3e_sys_init_data }, #endif diff --git a/drivers/soc/renesas/rz-sysc.h b/drivers/soc/renesas/rz-sysc.h index 88929bf21cb11..921ee0d26c470 100644 --- a/drivers/soc/renesas/rz-sysc.h +++ b/drivers/soc/renesas/rz-sysc.h @@ -46,6 +46,7 @@ struct rz_sysc_init_data { }; extern const struct rz_sysc_init_data rzg3e_sys_init_data; +extern const struct rz_sysc_init_data rzg3l_sysc_init_data; extern const struct rz_sysc_init_data rzg3s_sysc_init_data; extern const struct rz_sysc_init_data rzv2h_sys_init_data; extern const struct rz_sysc_init_data rzv2n_sys_init_data;