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soc: renesas: rcar-sysc: add R8A77970 support

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Add support for R-Car V3M (R8A77970) SoC power areas to the R-Car SYSC
driver.

Based on the original (and large) patch by Daisuke Matsushita
<daisuke.matsushita.ns@hitachi.com>.

Signed-off-by: Vladimir Barinov <vladimir.barinov@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>
This commit is contained in:
Sergei Shtylyov 2017-09-12 23:37:20 +03:00 committed by Simon Horman
parent bb0030752f
commit bab9b2a74f
6 changed files with 50 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt
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@ -17,6 +17,7 @@ Required properties:
- "renesas,r8a7794-sysc" (R-Car E2)
- "renesas,r8a7795-sysc" (R-Car H3)
- "renesas,r8a7796-sysc" (R-Car M3-W)
- "renesas,r8a77970-sysc" (R-Car V3M)
- "renesas,r8a77995-sysc" (R-Car D3)
- reg: Address start and address range for the device.
- #power-domain-cells: Must be 1.

5
drivers/soc/renesas/Kconfig
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@ -14,6 +14,7 @@ config SOC_RENESAS
select SYSC_R8A7794 if ARCH_R8A7794
select SYSC_R8A7795 if ARCH_R8A7795
select SYSC_R8A7796 if ARCH_R8A7796
select SYSC_R8A77970 if ARCH_R8A77970
select SYSC_R8A77995 if ARCH_R8A77995
if SOC_RENESAS
@ -55,6 +56,10 @@ config SYSC_R8A7796
bool "R-Car M3-W System Controller support" if COMPILE_TEST
select SYSC_RCAR
config SYSC_R8A77970
bool "R-Car V3M System Controller support" if COMPILE_TEST
select SYSC_RCAR
config SYSC_R8A77995
bool "R-Car D3 System Controller support" if COMPILE_TEST
select SYSC_RCAR

1
drivers/soc/renesas/Makefile
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@ -11,6 +11,7 @@ obj-$(CONFIG_SYSC_R8A7792) += r8a7792-sysc.o
obj-$(CONFIG_SYSC_R8A7794) += r8a7794-sysc.o
obj-$(CONFIG_SYSC_R8A7795) += r8a7795-sysc.o
obj-$(CONFIG_SYSC_R8A7796) += r8a7796-sysc.o
obj-$(CONFIG_SYSC_R8A77970) += r8a77970-sysc.o
obj-$(CONFIG_SYSC_R8A77995) += r8a77995-sysc.o
# Family

39
drivers/soc/renesas/r8a77970-sysc.c Normal file
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@ -0,0 +1,39 @@
/*
* Renesas R-Car V3M System Controller
*
* Copyright (C) 2017 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.
*/
#include <linux/bug.h>
#include <linux/kernel.h>
#include <dt-bindings/power/r8a77970-sysc.h>
#include "rcar-sysc.h"
static const struct rcar_sysc_area r8a77970_areas[] __initconst = {
{ "always-on", 0, 0, R8A77970_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
{ "ca53-scu", 0x140, 0, R8A77970_PD_CA53_SCU, R8A77970_PD_ALWAYS_ON,
PD_SCU },
{ "ca53-cpu0", 0x200, 0, R8A77970_PD_CA53_CPU0, R8A77970_PD_CA53_SCU,
PD_CPU_NOCR },
{ "ca53-cpu1", 0x200, 1, R8A77970_PD_CA53_CPU1, R8A77970_PD_CA53_SCU,
PD_CPU_NOCR },
{ "cr7", 0x240, 0, R8A77970_PD_CR7, R8A77970_PD_ALWAYS_ON },
{ "a3ir", 0x180, 0, R8A77970_PD_A3IR, R8A77970_PD_ALWAYS_ON },
{ "a2ir0", 0x400, 0, R8A77970_PD_A2IR0, R8A77970_PD_ALWAYS_ON },
{ "a2ir1", 0x400, 1, R8A77970_PD_A2IR1, R8A77970_PD_A2IR0 },
{ "a2ir2", 0x400, 2, R8A77970_PD_A2IR2, R8A77970_PD_A2IR0 },
{ "a2ir3", 0x400, 3, R8A77970_PD_A2IR3, R8A77970_PD_A2IR0 },
{ "a2sc0", 0x400, 4, R8A77970_PD_A2SC0, R8A77970_PD_ALWAYS_ON },
{ "a2sc1", 0x400, 5, R8A77970_PD_A2SC1, R8A77970_PD_A2SC0 },
};
const struct rcar_sysc_info r8a77970_sysc_info __initconst = {
.areas = r8a77970_areas,
.num_areas = ARRAY_SIZE(r8a77970_areas),
};

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

@ -284,6 +284,9 @@ static const struct of_device_id rcar_sysc_matches[] = {
#ifdef CONFIG_SYSC_R8A7796
{ .compatible = "renesas,r8a7796-sysc", .data = &r8a7796_sysc_info },
#endif
#ifdef CONFIG_SYSC_R8A77970
{ .compatible = "renesas,r8a77970-sysc", .data = &r8a77970_sysc_info },
#endif
#ifdef CONFIG_SYSC_R8A77995
{ .compatible = "renesas,r8a77995-sysc", .data = &r8a77995_sysc_info },
#endif

1
drivers/soc/renesas/rcar-sysc.h
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@ -58,6 +58,7 @@ extern const struct rcar_sysc_info r8a7792_sysc_info;
extern const struct rcar_sysc_info r8a7794_sysc_info;
extern const struct rcar_sysc_info r8a7795_sysc_info;
extern const struct rcar_sysc_info r8a7796_sysc_info;
extern const struct rcar_sysc_info r8a77970_sysc_info;
extern const struct rcar_sysc_info r8a77995_sysc_info;