| From 301a4451dbe88b9e49f7961cd8e33b8fc84bb7d0 Mon Sep 17 00:00:00 2001 |
| From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> |
| Date: Wed, 5 Oct 2016 14:35:01 -0700 |
| Subject: [PATCH 028/299] soc: renesas: rcar-sysc: add R8A7743 support |
| |
| Add support for RZ/G1M (R8A7743) SoC power areas to the R-Car SYSC driver. |
| |
| Based on the original (and large) patch by Dmitry Shifrin |
| <dmitry.shifrin@cogentembedded.com>. |
| |
| Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> |
| Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> |
| Signed-off-by: Simon Horman <horms+renesas@verge.net.au> |
| (cherry picked from commit 603311ba979fa5bbbf6a8961e5f7a27deafce1b4) |
| Signed-off-by: Simon Horman <horms+renesas@verge.net.au> |
| |
| Conflicts: |
| drivers/soc/renesas/Makefile |
| --- |
| Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt | 7 +- |
| drivers/soc/renesas/Makefile | 1 |
| drivers/soc/renesas/r8a7743-sysc.c | 32 ++++++++++ |
| drivers/soc/renesas/rcar-sysc.c | 3 |
| drivers/soc/renesas/rcar-sysc.h | 1 |
| 5 files changed, 41 insertions(+), 3 deletions(-) |
| create mode 100644 drivers/soc/renesas/r8a7743-sysc.c |
| |
| --- 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) |
| --- a/drivers/soc/renesas/Makefile |
| +++ b/drivers/soc/renesas/Makefile |
| @@ -1,5 +1,6 @@ |
| obj-$(CONFIG_SOC_BUS) += renesas-soc.o |
| |
| +obj-$(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 |
| --- /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), |
| +}; |
| --- 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 |
| --- 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; |