[PATCH 3/3] soc: renesas: rcar-sysc: add R8A77970 support
Simon Horman
horms+renesas at verge.net.au
Mon Sep 25 00:53:58 PDT 2017
From: Sergei Shtylyov <sergei.shtylyov at cogentembedded.com>
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 at hitachi.com>.
Signed-off-by: Vladimir Barinov <vladimir.barinov at cogentembedded.com>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov at cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas at glider.be>
Signed-off-by: Simon Horman <horms+renesas at verge.net.au>
---
.../bindings/power/renesas,rcar-sysc.txt | 1 +
drivers/soc/renesas/Kconfig | 5 +++
drivers/soc/renesas/Makefile | 1 +
drivers/soc/renesas/r8a77970-sysc.c | 39 ++++++++++++++++++++++
drivers/soc/renesas/rcar-sysc.c | 3 ++
drivers/soc/renesas/rcar-sysc.h | 1 +
6 files changed, 50 insertions(+)
create mode 100644 drivers/soc/renesas/r8a77970-sysc.c
diff --git a/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt b/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt
index 98cc8c09d02d..8690f10426a3 100644
--- a/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt
+++ b/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt
@@ -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.
diff --git a/drivers/soc/renesas/Kconfig b/drivers/soc/renesas/Kconfig
index f0d562a7c4d3..09550b1da56d 100644
--- a/drivers/soc/renesas/Kconfig
+++ b/drivers/soc/renesas/Kconfig
@@ -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
diff --git a/drivers/soc/renesas/Makefile b/drivers/soc/renesas/Makefile
index 6b6e7f16104c..8334af1d231b 100644
--- a/drivers/soc/renesas/Makefile
+++ b/drivers/soc/renesas/Makefile
@@ -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
diff --git a/drivers/soc/renesas/r8a77970-sysc.c b/drivers/soc/renesas/r8a77970-sysc.c
new file mode 100644
index 000000000000..8c614164718e
--- /dev/null
+++ b/drivers/soc/renesas/r8a77970-sysc.c
@@ -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),
+};
diff --git a/drivers/soc/renesas/rcar-sysc.c b/drivers/soc/renesas/rcar-sysc.c
index c8406e81640f..55a47e509e49 100644
--- a/drivers/soc/renesas/rcar-sysc.c
+++ b/drivers/soc/renesas/rcar-sysc.c
@@ -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
diff --git a/drivers/soc/renesas/rcar-sysc.h b/drivers/soc/renesas/rcar-sysc.h
index 2f524922c4d2..9d9daf9eb91b 100644
--- a/drivers/soc/renesas/rcar-sysc.h
+++ b/drivers/soc/renesas/rcar-sysc.h
@@ -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;
--
2.1.4
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