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soc: renesas: rcar-sysc: add R8A77980 support 

Add support for R-Car V3H (R8A77980) SoC power areas to the R-Car SYSC
driver.

Based on the original (and large) patch by Vladimir Barinov.

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 2018-02-16 21:28:02 +03:00 committed by Simon Horman
parent 7755b40d07
commit 41d6d8bd8a
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
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@ -18,6 +18,7 @@ Required properties:
- "renesas,r8a7795-sysc" (R-Car H3)
- "renesas,r8a7796-sysc" (R-Car M3-W)
- "renesas,r8a77970-sysc" (R-Car V3M)
- "renesas,r8a77980-sysc" (R-Car V3H)
- "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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@ -15,6 +15,7 @@ config SOC_RENESAS
select SYSC_R8A7795 if ARCH_R8A7795
select SYSC_R8A7796 if ARCH_R8A7796
select SYSC_R8A77970 if ARCH_R8A77970
select SYSC_R8A77980 if ARCH_R8A77980
select SYSC_R8A77995 if ARCH_R8A77995
if SOC_RENESAS
@ -60,6 +61,10 @@ config SYSC_R8A77970
bool "R-Car V3M System Controller support" if COMPILE_TEST
select SYSC_RCAR
config SYSC_R8A77980
bool "R-Car V3H 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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@ -13,6 +13,7 @@ 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-$(CONFIG_SYSC_R8A77980) += r8a77980-sysc.o
obj-$(CONFIG_SYSC_R8A77995) += r8a77995-sysc.o
# Family

52
drivers/soc/renesas/r8a77980-sysc.c Normal file
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@ -0,0 +1,52 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Renesas R-Car V3H System Controller
*
* Copyright (C) 2018 Renesas Electronics Corp.
* Copyright (C) 2018 Cogent Embedded, Inc.
*/
#include <linux/bug.h>
#include <linux/kernel.h>
#include <dt-bindings/power/r8a77980-sysc.h>
#include "rcar-sysc.h"
static const struct rcar_sysc_area r8a77980_areas[] __initconst = {
{ "always-on", 0, 0, R8A77980_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
{ "ca53-scu", 0x140, 0, R8A77980_PD_CA53_SCU, R8A77980_PD_ALWAYS_ON,
PD_SCU },
{ "ca53-cpu0", 0x200, 0, R8A77980_PD_CA53_CPU0, R8A77980_PD_CA53_SCU,
PD_CPU_NOCR },
{ "ca53-cpu1", 0x200, 1, R8A77980_PD_CA53_CPU1, R8A77980_PD_CA53_SCU,
PD_CPU_NOCR },
{ "ca53-cpu2", 0x200, 2, R8A77980_PD_CA53_CPU2, R8A77980_PD_CA53_SCU,
PD_CPU_NOCR },
{ "ca53-cpu3", 0x200, 3, R8A77980_PD_CA53_CPU3, R8A77980_PD_CA53_SCU,
PD_CPU_NOCR },
{ "cr7", 0x240, 0, R8A77980_PD_CR7, R8A77980_PD_ALWAYS_ON },
{ "a3ir", 0x180, 0, R8A77980_PD_A3IR, R8A77980_PD_ALWAYS_ON },
{ "a2ir0", 0x400, 0, R8A77980_PD_A2IR0, R8A77980_PD_A3IR },
{ "a2ir1", 0x400, 1, R8A77980_PD_A2IR1, R8A77980_PD_A3IR },
{ "a2ir2", 0x400, 2, R8A77980_PD_A2IR2, R8A77980_PD_A3IR },
{ "a2ir3", 0x400, 3, R8A77980_PD_A2IR3, R8A77980_PD_A3IR },
{ "a2ir4", 0x400, 4, R8A77980_PD_A2IR4, R8A77980_PD_A3IR },
{ "a2ir5", 0x400, 5, R8A77980_PD_A2IR5, R8A77980_PD_A3IR },
{ "a2sc0", 0x400, 6, R8A77980_PD_A2SC0, R8A77980_PD_A3IR },
{ "a2sc1", 0x400, 7, R8A77980_PD_A2SC1, R8A77980_PD_A3IR },
{ "a2sc2", 0x400, 8, R8A77980_PD_A2SC2, R8A77980_PD_A3IR },
{ "a2sc3", 0x400, 9, R8A77980_PD_A2SC3, R8A77980_PD_A3IR },
{ "a2sc4", 0x400, 10, R8A77980_PD_A2SC4, R8A77980_PD_A3IR },
{ "a2pd0", 0x400, 11, R8A77980_PD_A2PD0, R8A77980_PD_A3IR },
{ "a2pd1", 0x400, 12, R8A77980_PD_A2PD1, R8A77980_PD_A3IR },
{ "a2cn", 0x400, 13, R8A77980_PD_A2CN, R8A77980_PD_A3IR },
{ "a3vip", 0x2c0, 0, R8A77980_PD_A3VIP, R8A77980_PD_ALWAYS_ON },
{ "a3vip1", 0x300, 0, R8A77980_PD_A3VIP1, R8A77980_PD_A3VIP },
{ "a3vip2", 0x280, 0, R8A77980_PD_A3VIP2, R8A77980_PD_A3VIP },
};
const struct rcar_sysc_info r8a77980_sysc_info __initconst = {
.areas = r8a77980_areas,
.num_areas = ARRAY_SIZE(r8a77980_areas),
};

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

@ -287,6 +287,9 @@ static const struct of_device_id rcar_sysc_matches[] __initconst = {
#ifdef CONFIG_SYSC_R8A77970
{ .compatible = "renesas,r8a77970-sysc", .data = &r8a77970_sysc_info },
#endif
#ifdef CONFIG_SYSC_R8A77980
{ .compatible = "renesas,r8a77980-sysc", .data = &r8a77980_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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@ -59,6 +59,7 @@ 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 r8a77980_sysc_info;
extern const struct rcar_sysc_info r8a77995_sysc_info;