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soc: renesas: rcar-sysc: Add R-Car M3-N support 

Add support for R-Car M3-N (R8A77965) power areas.

Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Jacopo Mondi 2018-02-20 16:12:06 +01:00 committed by Simon Horman
parent bfd8398339
commit a527709b78
7 changed files with 78 additions and 0 deletions
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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,r8a77965-sysc" (R-Car M3-N)
- "renesas,r8a77970-sysc" (R-Car V3M)
- "renesas,r8a77980-sysc" (R-Car V3H)
- "renesas,r8a77995-sysc" (R-Car D3)

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_R8A77965 if ARCH_R8A77965
select SYSC_R8A77970 if ARCH_R8A77970
select SYSC_R8A77980 if ARCH_R8A77980
select SYSC_R8A77995 if ARCH_R8A77995
@ -57,6 +58,10 @@ config SYSC_R8A7796
bool "R-Car M3-W System Controller support" if COMPILE_TEST
select SYSC_RCAR
config SYSC_R8A77965
bool "R-Car M3-N 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

1
drivers/soc/renesas/Makefile
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@ -12,6 +12,7 @@ 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-$(CONFIG_SYSC_R8A77965) += r8a77965-sysc.o
obj-$(CONFIG_SYSC_R8A77970) += r8a77970-sysc.o
obj-$(CONFIG_SYSC_R8A77980) += r8a77980-sysc.o
obj-$(CONFIG_SYSC_R8A77995) += r8a77995-sysc.o

37
drivers/soc/renesas/r8a77965-sysc.c Normal file
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@ -0,0 +1,37 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Renesas R-Car M3-N System Controller
* Copyright (C) 2018 Jacopo Mondi <jacopo+renesas@jmondi.org>
*
* Based on Renesas R-Car M3-W System Controller
* Copyright (C) 2016 Glider bvba
*/
#include <linux/bug.h>
#include <linux/kernel.h>
#include <dt-bindings/power/r8a77965-sysc.h>
#include "rcar-sysc.h"
static const struct rcar_sysc_area r8a77965_areas[] __initconst = {
{ "always-on", 0, 0, R8A77965_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
{ "ca57-scu", 0x1c0, 0, R8A77965_PD_CA57_SCU, R8A77965_PD_ALWAYS_ON,
PD_SCU },
{ "ca57-cpu0", 0x80, 0, R8A77965_PD_CA57_CPU0, R8A77965_PD_CA57_SCU,
PD_CPU_NOCR },
{ "ca57-cpu1", 0x80, 1, R8A77965_PD_CA57_CPU1, R8A77965_PD_CA57_SCU,
PD_CPU_NOCR },
{ "cr7", 0x240, 0, R8A77965_PD_CR7, R8A77965_PD_ALWAYS_ON },
{ "a3vc", 0x380, 0, R8A77965_PD_A3VC, R8A77965_PD_ALWAYS_ON },
{ "a3vp", 0x340, 0, R8A77965_PD_A3VP, R8A77965_PD_ALWAYS_ON },
{ "a2vc1", 0x3c0, 1, R8A77965_PD_A2VC1, R8A77965_PD_A3VC },
{ "3dg-a", 0x100, 0, R8A77965_PD_3DG_A, R8A77965_PD_ALWAYS_ON },
{ "3dg-b", 0x100, 1, R8A77965_PD_3DG_B, R8A77965_PD_3DG_A },
{ "a3ir", 0x180, 0, R8A77965_PD_A3IR, R8A77965_PD_ALWAYS_ON },
};
const struct rcar_sysc_info r8a77965_sysc_info __initconst = {
.areas = r8a77965_areas,
.num_areas = ARRAY_SIZE(r8a77965_areas),
};

3
drivers/soc/renesas/rcar-sysc.c
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@ -284,6 +284,9 @@ static const struct of_device_id rcar_sysc_matches[] __initconst = {
#ifdef CONFIG_SYSC_R8A7796
{ .compatible = "renesas,r8a7796-sysc", .data = &r8a7796_sysc_info },
#endif
#ifdef CONFIG_SYSC_R8A77965
{ .compatible = "renesas,r8a77965-sysc", .data = &r8a77965_sysc_info },
#endif
#ifdef CONFIG_SYSC_R8A77970
{ .compatible = "renesas,r8a77970-sysc", .data = &r8a77970_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 r8a77965_sysc_info;
extern const struct rcar_sysc_info r8a77970_sysc_info;
extern const struct rcar_sysc_info r8a77980_sysc_info;
extern const struct rcar_sysc_info r8a77995_sysc_info;

30
include/dt-bindings/power/r8a77965-sysc.h Normal file
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@ -0,0 +1,30 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2018 Jacopo Mondi <jacopo+renesas@jmondi.org>
* Copyright (C) 2016 Glider bvba
*/
#ifndef __DT_BINDINGS_POWER_R8A77965_SYSC_H__
#define __DT_BINDINGS_POWER_R8A77965_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 R8A77965_PD_CA57_CPU0 0
#define R8A77965_PD_CA57_CPU1 1
#define R8A77965_PD_A3VP 9
#define R8A77965_PD_CA57_SCU 12
#define R8A77965_PD_CR7 13
#define R8A77965_PD_A3VC 14
#define R8A77965_PD_3DG_A 17
#define R8A77965_PD_3DG_B 18
#define R8A77965_PD_A3IR 24
#define R8A77965_PD_A2VC1 26
/* Always-on power area */
#define R8A77965_PD_ALWAYS_ON 32
#endif /* __DT_BINDINGS_POWER_R8A77965_SYSC_H__ */