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Renesas ARM Based SoC Drivers Updates for v4.15

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Add basic support for R-Car V3M (R8A77970) SoC.
 
 Sergei Shtylyov says:
 
 * Add support for R-Car V3M (R8A77970) SoC power areas to the R-Car SYSC
   driver
 
 * Add support for identifying the R-Car V3M (R8A77970) SoC
 
 * Add support for R-Car V3M (R8A77970) to the R-Car RST driver -- this
   driver is  needed  for the clock driver to work
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Merge tag 'renesas-drivers-for-v4.15' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers

Pull "Renesas ARM Based SoC Drivers Updates for v4.15" from Simon Horman:

Add basic support for R-Car V3M (R8A77970) SoC.

Sergei Shtylyov says:

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

* Add support for identifying the R-Car V3M (R8A77970) SoC

* Add support for R-Car V3M (R8A77970) to the R-Car RST driver -- this
  driver is  needed  for the clock driver to work

* tag 'renesas-drivers-for-v4.15' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  soc: renesas: rcar-sysc: add R8A77970 support
  soc: renesas: identify R-Car V3M
  soc: renesas: rcar-rst: add R8A77970 support
This commit is contained in:
Arnd Bergmann 2017-10-20 22:27:58 +02:00
commit 4b367f2e88
9 changed files with 62 additions and 1 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

@ -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.

1
Documentation/devicetree/bindings/reset/renesas,rst.txt
View File

@ -26,6 +26,7 @@ Required properties:
- "renesas,r8a7794-rst" (R-Car E2)
- "renesas,r8a7795-rst" (R-Car H3)
- "renesas,r8a7796-rst" (R-Car M3-W)
- "renesas,r8a77970-rst" (R-Car V3M)
- "renesas,r8a77995-rst" (R-Car D3)
- reg: Address start and address range for the device.

8
drivers/soc/renesas/Kconfig
View File

@ -3,7 +3,8 @@ config SOC_RENESAS
default y if ARCH_RENESAS
select SOC_BUS
select RST_RCAR if ARCH_RCAR_GEN1 || ARCH_RCAR_GEN2 || \
ARCH_R8A7795 || ARCH_R8A7796 || ARCH_R8A77995
ARCH_R8A7795 || ARCH_R8A7796 || ARCH_R8A77970 || \
ARCH_R8A77995
select SYSC_R8A7743 if ARCH_R8A7743
select SYSC_R8A7745 if ARCH_R8A7745
select SYSC_R8A7779 if ARCH_R8A7779
@ -13,6 +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
@ -54,6 +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
View File

@ -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
View File

@ -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),
};

1
drivers/soc/renesas/rcar-rst.c
View File

@ -41,6 +41,7 @@ static const struct of_device_id rcar_rst_matches[] __initconst = {
/* R-Car Gen3 is handled like R-Car Gen2 */
{ .compatible = "renesas,r8a7795-rst", .data = &rcar_rst_gen2 },
{ .compatible = "renesas,r8a7796-rst", .data = &rcar_rst_gen2 },
{ .compatible = "renesas,r8a77970-rst", .data = &rcar_rst_gen2 },
{ .compatible = "renesas,r8a77995-rst", .data = &rcar_rst_gen2 },
{ /* sentinel */ }
};

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
View File

@ -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;

8
drivers/soc/renesas/renesas-soc.c
View File

@ -144,6 +144,11 @@ static const struct renesas_soc soc_rcar_m3_w __initconst __maybe_unused = {
.id = 0x52,
};
static const struct renesas_soc soc_rcar_v3m __initconst __maybe_unused = {
.family = &fam_rcar_gen3,
.id = 0x54,
};
static const struct renesas_soc soc_rcar_d3 __initconst __maybe_unused = {
.family = &fam_rcar_gen3,
.id = 0x58,
@ -204,6 +209,9 @@ static const struct of_device_id renesas_socs[] __initconst = {
#ifdef CONFIG_ARCH_R8A7796
{ .compatible = "renesas,r8a7796", .data = &soc_rcar_m3_w },
#endif
#ifdef CONFIG_ARCH_R8A77970
{ .compatible = "renesas,r8a77970", .data = &soc_rcar_v3m },
#endif
#ifdef CONFIG_ARCH_R8A77995
{ .compatible = "renesas,r8a77995", .data = &soc_rcar_d3 },
#endif