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Message-Id: <1519139541-18783-5-git-send-email-jacopo+renesas@jmondi.org>
Date: Tue, 20 Feb 2018 16:12:06 +0100
From: Jacopo Mondi <jacopo+renesas@...ndi.org>
To: geert@...ux-m68k.org, horms@...ge.net.au, magnus.damm@...il.com,
robh+dt@...nel.org, mark.rutland@....com
Cc: Jacopo Mondi <jacopo+renesas@...ndi.org>,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-renesas-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 04/19] 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@...ndi.org>
---
v1->v2:
- Remove A2VC0 power area
- Add A3VP power area
---
.../bindings/power/renesas,rcar-sysc.txt | 1 +
drivers/soc/renesas/Kconfig | 5 +++
drivers/soc/renesas/Makefile | 1 +
drivers/soc/renesas/r8a77965-sysc.c | 37 ++++++++++++++++++++++
drivers/soc/renesas/rcar-sysc.c | 3 ++
drivers/soc/renesas/rcar-sysc.h | 1 +
include/dt-bindings/power/r8a77965-sysc.h | 30 ++++++++++++++++++
7 files changed, 78 insertions(+)
create mode 100644 drivers/soc/renesas/r8a77965-sysc.c
create mode 100644 include/dt-bindings/power/r8a77965-sysc.h
diff --git a/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt b/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt
index 8690f10..b9c9e28 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,r8a77965-sysc" (R-Car M3-N)
- "renesas,r8a77970-sysc" (R-Car V3M)
- "renesas,r8a77995-sysc" (R-Car D3)
- reg: Address start and address range for the device.
diff --git a/drivers/soc/renesas/Kconfig b/drivers/soc/renesas/Kconfig
index 741b7cd..c262a4b 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_R8A77965 if ARCH_R8A77965
select SYSC_R8A77970 if ARCH_R8A77970
select SYSC_R8A77995 if ARCH_R8A77995
@@ -56,6 +57,10 @@ 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
diff --git a/drivers/soc/renesas/Makefile b/drivers/soc/renesas/Makefile
index 845d62a..9f360b8 100644
--- a/drivers/soc/renesas/Makefile
+++ b/drivers/soc/renesas/Makefile
@@ -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_R8A77995) += r8a77995-sysc.o
diff --git a/drivers/soc/renesas/r8a77965-sysc.c b/drivers/soc/renesas/r8a77965-sysc.c
new file mode 100644
index 0000000..d7f7928
--- /dev/null
+++ b/drivers/soc/renesas/r8a77965-sysc.c
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Renesas R-Car M3-N System Controller
+ * Copyright (C) 2018 Jacopo Mondi <jacopo+renesas@...ndi.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),
+};
diff --git a/drivers/soc/renesas/rcar-sysc.c b/drivers/soc/renesas/rcar-sysc.c
index 636872b..d87f83a 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[] __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
diff --git a/drivers/soc/renesas/rcar-sysc.h b/drivers/soc/renesas/rcar-sysc.h
index 9d9daf9..c892105 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 r8a77965_sysc_info;
extern const struct rcar_sysc_info r8a77970_sysc_info;
extern const struct rcar_sysc_info r8a77995_sysc_info;
diff --git a/include/dt-bindings/power/r8a77965-sysc.h b/include/dt-bindings/power/r8a77965-sysc.h
new file mode 100644
index 0000000..05a4b59
--- /dev/null
+++ b/include/dt-bindings/power/r8a77965-sysc.h
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2018 Jacopo Mondi <jacopo+renesas@...ndi.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__ */
--
2.7.4
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