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Renesas ARM Based SoC r8a7745 SYSC Driver Updates for v4.10

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* Add support for the r8a7745 SoC to rcar-sysc
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Merge tag 'renesas-r8a7745-sysc-for-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers

Pull "Renesas ARM Based SoC r8a7745 SYSC Driver Updates for v4.10" from Simon Horman:

* Add support for the r8a7745 SoC to rcar-sysc

* tag 'renesas-r8a7745-sysc-for-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  soc: renesas: rcar-sysc: add R8A7745 support
  ARM: shmobile: r8a7745: add power domain index macros

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2016-11-30 16:39:48 +01:00
commit d319fc6dc1
6 changed files with 63 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
View File

@ -8,6 +8,7 @@ and various coprocessors.
Required properties:
- compatible: Must contain exactly one of the following:
- "renesas,r8a7743-sysc" (RZ/G1M)
- "renesas,r8a7745-sysc" (RZ/G1E)
- "renesas,r8a7779-sysc" (R-Car H1)
- "renesas,r8a7790-sysc" (R-Car H2)
- "renesas,r8a7791-sysc" (R-Car M2-W)

1
drivers/soc/renesas/Makefile
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@ -1,4 +1,5 @@
obj-$(CONFIG_ARCH_R8A7743) += rcar-sysc.o r8a7743-sysc.o
obj-$(CONFIG_ARCH_R8A7745) += rcar-sysc.o r8a7745-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

32
drivers/soc/renesas/r8a7745-sysc.c Normal file
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@ -0,0 +1,32 @@
/*
* Renesas RZ/G1E 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/r8a7745-sysc.h>
#include "rcar-sysc.h"
static const struct rcar_sysc_area r8a7745_areas[] __initconst = {
{ "always-on", 0, 0, R8A7745_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
{ "ca7-scu", 0x100, 0, R8A7745_PD_CA7_SCU, R8A7745_PD_ALWAYS_ON,
PD_SCU },
{ "ca7-cpu0", 0x1c0, 0, R8A7745_PD_CA7_CPU0, R8A7745_PD_CA7_SCU,
PD_CPU_NOCR },
{ "ca7-cpu1", 0x1c0, 1, R8A7745_PD_CA7_CPU1, R8A7745_PD_CA7_SCU,
PD_CPU_NOCR },
{ "sgx", 0xc0, 0, R8A7745_PD_SGX, R8A7745_PD_ALWAYS_ON },
};
const struct rcar_sysc_info r8a7745_sysc_info __initconst = {
.areas = r8a7745_areas,
.num_areas = ARRAY_SIZE(r8a7745_areas),
};

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

@ -278,6 +278,9 @@ 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_R8A7745
{ .compatible = "renesas,r8a7745-sysc", .data = &r8a7745_sysc_info },
#endif
#ifdef CONFIG_ARCH_R8A7779
{ .compatible = "renesas,r8a7779-sysc", .data = &r8a7779_sysc_info },
#endif

1
drivers/soc/renesas/rcar-sysc.h
View File

@ -51,6 +51,7 @@ struct rcar_sysc_info {
};
extern const struct rcar_sysc_info r8a7743_sysc_info;
extern const struct rcar_sysc_info r8a7745_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;

25
include/dt-bindings/power/r8a7745-sysc.h Normal file
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@ -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_R8A7745_SYSC_H__
#define __DT_BINDINGS_POWER_R8A7745_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 R8A7745_PD_CA7_CPU0 5
#define R8A7745_PD_CA7_CPU1 6
#define R8A7745_PD_SGX 20
#define R8A7745_PD_CA7_SCU 21
/* Always-on power area */
#define R8A7745_PD_ALWAYS_ON 32
#endif /* __DT_BINDINGS_POWER_R8A7745_SYSC_H__ */