diff options
| -rw-r--r-- | Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt | 7 | ||||
| -rw-r--r-- | drivers/soc/renesas/Makefile | 1 | ||||
| -rw-r--r-- | drivers/soc/renesas/r8a7743-sysc.c | 32 | ||||
| -rw-r--r-- | drivers/soc/renesas/rcar-sysc.c | 3 | ||||
| -rw-r--r-- | drivers/soc/renesas/rcar-sysc.h | 1 | ||||
| -rw-r--r-- | include/dt-bindings/power/r8a7743-sysc.h | 25 |
6 files changed, 66 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt b/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt index 0725fb37a973..c16ec1866ac4 100644 --- a/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt +++ b/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt @@ -1,12 +1,13 @@ -DT bindings for the Renesas R-Car System Controller +DT bindings for the Renesas R-Car (RZ/G) System Controller == System Controller Node == -The R-Car System Controller provides power management for the CPU cores and -various coprocessors. +The R-Car (RZ/G) System Controller provides power management for the CPU cores +and various coprocessors. Required properties: - compatible: Must contain exactly one of the following: + - "renesas,r8a7743-sysc" (RZ/G1M) - "renesas,r8a7779-sysc" (R-Car H1) - "renesas,r8a7790-sysc" (R-Car H2) - "renesas,r8a7791-sysc" (R-Car M2-W) diff --git a/drivers/soc/renesas/Makefile b/drivers/soc/renesas/Makefile index 623039c3514c..9e0bb329594c 100644 --- a/drivers/soc/renesas/Makefile +++ b/drivers/soc/renesas/Makefile @@ -1,3 +1,4 @@ +obj-$(CONFIG_ARCH_R8A7743) += rcar-sysc.o r8a7743-sysc.o obj-$(CONFIG_ARCH_R8A7779) += rcar-sysc.o r8a7779-sysc.o obj-$(CONFIG_ARCH_R8A7790) += rcar-sysc.o r8a7790-sysc.o obj-$(CONFIG_ARCH_R8A7791) += rcar-sysc.o r8a7791-sysc.o diff --git a/drivers/soc/renesas/r8a7743-sysc.c b/drivers/soc/renesas/r8a7743-sysc.c new file mode 100644 index 000000000000..9583a327d90c --- /dev/null +++ b/drivers/soc/renesas/r8a7743-sysc.c @@ -0,0 +1,32 @@ +/* + * Renesas RZ/G1M System Controller + * + * Copyright (C) 2016 Cogent Embedded Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation; of the License. + */ + +#include <linux/bug.h> +#include <linux/kernel.h> + +#include <dt-bindings/power/r8a7743-sysc.h> + +#include "rcar-sysc.h" + +static const struct rcar_sysc_area r8a7743_areas[] __initconst = { + { "always-on", 0, 0, R8A7743_PD_ALWAYS_ON, -1, PD_ALWAYS_ON }, + { "ca15-scu", 0x180, 0, R8A7743_PD_CA15_SCU, R8A7743_PD_ALWAYS_ON, + PD_SCU }, + { "ca15-cpu0", 0x40, 0, R8A7743_PD_CA15_CPU0, R8A7743_PD_CA15_SCU, + PD_CPU_NOCR }, + { "ca15-cpu1", 0x40, 1, R8A7743_PD_CA15_CPU1, R8A7743_PD_CA15_SCU, + PD_CPU_NOCR }, + { "sgx", 0xc0, 0, R8A7743_PD_SGX, R8A7743_PD_ALWAYS_ON }, +}; + +const struct rcar_sysc_info r8a7743_sysc_info __initconst = { + .areas = r8a7743_areas, + .num_areas = ARRAY_SIZE(r8a7743_areas), +}; diff --git a/drivers/soc/renesas/rcar-sysc.c b/drivers/soc/renesas/rcar-sysc.c index 65c8e1eb90c0..71acd45b13f0 100644 --- a/drivers/soc/renesas/rcar-sysc.c +++ b/drivers/soc/renesas/rcar-sysc.c @@ -275,6 +275,9 @@ finalize: } static const struct of_device_id rcar_sysc_matches[] = { +#ifdef CONFIG_ARCH_R8A7743 + { .compatible = "renesas,r8a7743-sysc", .data = &r8a7743_sysc_info }, +#endif #ifdef CONFIG_ARCH_R8A7779 { .compatible = "renesas,r8a7779-sysc", .data = &r8a7779_sysc_info }, #endif diff --git a/drivers/soc/renesas/rcar-sysc.h b/drivers/soc/renesas/rcar-sysc.h index 77dbe861473f..8ab9ca8a825a 100644 --- a/drivers/soc/renesas/rcar-sysc.h +++ b/drivers/soc/renesas/rcar-sysc.h @@ -50,6 +50,7 @@ struct rcar_sysc_info { unsigned int num_areas; }; +extern const struct rcar_sysc_info r8a7743_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; diff --git a/include/dt-bindings/power/r8a7743-sysc.h b/include/dt-bindings/power/r8a7743-sysc.h new file mode 100644 index 000000000000..61cfbb2907ea --- /dev/null +++ b/include/dt-bindings/power/r8a7743-sysc.h @@ -0,0 +1,25 @@ +/* + * Copyright (C) 2016 Cogent Embedded Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef __DT_BINDINGS_POWER_R8A7743_SYSC_H__ +#define __DT_BINDINGS_POWER_R8A7743_SYSC_H__ + +/* + * These power domain indices match the numbers of the interrupt bits + * representing the power areas in the various Interrupt Registers + * (e.g. SYSCISR, Interrupt Status Register) + */ + +#define R8A7743_PD_CA15_CPU0 0 +#define R8A7743_PD_CA15_CPU1 1 +#define R8A7743_PD_CA15_SCU 12 +#define R8A7743_PD_SGX 20 + +/* Always-on power area */ +#define R8A7743_PD_ALWAYS_ON 32 + +#endif /* __DT_BINDINGS_POWER_R8A7743_SYSC_H__ */ |
