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authorArnd Bergmann <arnd@arndb.de>2017-08-16 22:55:03 +0300
committerArnd Bergmann <arnd@arndb.de>2017-08-16 22:55:03 +0300
commitf822e600854cfd3fa965aa3acfd162e8631161fd (patch)
treea7eb965605526c6d9757bd8f59a6078e644b4dfd
parent900452f3046521845fb7c3b1e263e8c9cd4c4827 (diff)
parent105ae504a3eb6c2e188e8d67db59b71186f11967 (diff)
downloadlinux-f822e600854cfd3fa965aa3acfd162e8631161fd.tar.xz
Merge tag 'renesas-drivers-for-v4.14' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers
Pull "Renesas ARM Based SoC Drivers Updates for v4.14" from Simon Horman: Add R-Car D3 (r8a77995) support to the Renesas-specific SoC drivers - SoC identification - System controller - Reset controller * tag 'renesas-drivers-for-v4.14' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: soc: renesas: rcar-rst: Add support for R-Car D3 soc: renesas: rcar-sysc: Add support for R-Car D3 power areas soc: renesas: Add r8a77995 SYSC PM Domain Binding Definitions soc: renesas: Identify R-Car D3
-rw-r--r--Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt1
-rw-r--r--Documentation/devicetree/bindings/reset/renesas,rst.txt1
-rw-r--r--drivers/soc/renesas/Kconfig7
-rw-r--r--drivers/soc/renesas/Makefile1
-rw-r--r--drivers/soc/renesas/r8a77995-sysc.c31
-rw-r--r--drivers/soc/renesas/rcar-rst.c1
-rw-r--r--drivers/soc/renesas/rcar-sysc.c3
-rw-r--r--drivers/soc/renesas/rcar-sysc.h1
-rw-r--r--drivers/soc/renesas/renesas-soc.c8
-rw-r--r--include/dt-bindings/power/r8a77995-sysc.h23
10 files changed, 76 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt b/Documentation/devicetree/bindings/power/renesas,rcar-sysc.txt
index d91715bc8d52..98cc8c09d02d 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,r8a77995-sysc" (R-Car D3)
- reg: Address start and address range for the device.
- #power-domain-cells: Must be 1.
diff --git a/Documentation/devicetree/bindings/reset/renesas,rst.txt b/Documentation/devicetree/bindings/reset/renesas,rst.txt
index fe5e0f37b3c9..e5a03ffe04fb 100644
--- a/Documentation/devicetree/bindings/reset/renesas,rst.txt
+++ b/Documentation/devicetree/bindings/reset/renesas,rst.txt
@@ -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,r8a77995-rst" (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 87a4be46bd98..567414cb42ba 100644
--- a/drivers/soc/renesas/Kconfig
+++ b/drivers/soc/renesas/Kconfig
@@ -3,7 +3,7 @@ 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_R8A7795 || ARCH_R8A7796 || ARCH_R8A77995
select SYSC_R8A7743 if ARCH_R8A7743
select SYSC_R8A7745 if ARCH_R8A7745
select SYSC_R8A7779 if ARCH_R8A7779
@@ -13,6 +13,7 @@ config SOC_RENESAS
select SYSC_R8A7794 if ARCH_R8A7794
select SYSC_R8A7795 if ARCH_R8A7795
select SYSC_R8A7796 if ARCH_R8A7796
+ select SYSC_R8A77995 if ARCH_R8A77995
if SOC_RENESAS
@@ -53,6 +54,10 @@ config SYSC_R8A7796
bool "R-Car M3-W 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
+
# Family
config RST_RCAR
bool "R-Car Reset Controller support" if COMPILE_TEST
diff --git a/drivers/soc/renesas/Makefile b/drivers/soc/renesas/Makefile
index 1a1a297b26a7..6b6e7f16104c 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-$(CONFIG_SYSC_R8A77995) += r8a77995-sysc.o
# Family
obj-$(CONFIG_RST_RCAR) += rcar-rst.o
diff --git a/drivers/soc/renesas/r8a77995-sysc.c b/drivers/soc/renesas/r8a77995-sysc.c
new file mode 100644
index 000000000000..f718429cab02
--- /dev/null
+++ b/drivers/soc/renesas/r8a77995-sysc.c
@@ -0,0 +1,31 @@
+/*
+ * Renesas R-Car D3 System Controller
+ *
+ * Copyright (C) 2017 Glider bvba
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ */
+
+#include <linux/bug.h>
+#include <linux/kernel.h>
+#include <linux/sys_soc.h>
+
+#include <dt-bindings/power/r8a77995-sysc.h>
+
+#include "rcar-sysc.h"
+
+static struct rcar_sysc_area r8a77995_areas[] __initdata = {
+ { "always-on", 0, 0, R8A77995_PD_ALWAYS_ON, -1, PD_ALWAYS_ON },
+ { "ca53-scu", 0x140, 0, R8A77995_PD_CA53_SCU, R8A77995_PD_ALWAYS_ON,
+ PD_SCU },
+ { "ca53-cpu0", 0x200, 0, R8A77995_PD_CA53_CPU0, R8A77995_PD_CA53_SCU,
+ PD_CPU_NOCR },
+};
+
+
+const struct rcar_sysc_info r8a77995_sysc_info __initconst = {
+ .areas = r8a77995_areas,
+ .num_areas = ARRAY_SIZE(r8a77995_areas),
+};
diff --git a/drivers/soc/renesas/rcar-rst.c b/drivers/soc/renesas/rcar-rst.c
index 78c40d5dd62b..baa47014e96b 100644
--- a/drivers/soc/renesas/rcar-rst.c
+++ b/drivers/soc/renesas/rcar-rst.c
@@ -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,r8a77995-rst", .data = &rcar_rst_gen2 },
{ /* sentinel */ }
};
diff --git a/drivers/soc/renesas/rcar-sysc.c b/drivers/soc/renesas/rcar-sysc.c
index cd387347fa94..c8406e81640f 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_R8A77995
+ { .compatible = "renesas,r8a77995-sysc", .data = &r8a77995_sysc_info },
+#endif
{ /* sentinel */ }
};
diff --git a/drivers/soc/renesas/rcar-sysc.h b/drivers/soc/renesas/rcar-sysc.h
index 1a5bebaf54ba..2f524922c4d2 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 r8a77995_sysc_info;
/*
diff --git a/drivers/soc/renesas/renesas-soc.c b/drivers/soc/renesas/renesas-soc.c
index ca26f13d399c..90d6b7a4340a 100644
--- a/drivers/soc/renesas/renesas-soc.c
+++ b/drivers/soc/renesas/renesas-soc.c
@@ -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_d3 __initconst __maybe_unused = {
+ .family = &fam_rcar_gen3,
+ .id = 0x58,
+};
+
static const struct renesas_soc soc_shmobile_ag5 __initconst __maybe_unused = {
.family = &fam_shmobile,
.id = 0x37,
@@ -199,6 +204,9 @@ 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_R8A77995
+ { .compatible = "renesas,r8a77995", .data = &soc_rcar_d3 },
+#endif
#ifdef CONFIG_ARCH_SH73A0
{ .compatible = "renesas,sh73a0", .data = &soc_shmobile_ag5 },
#endif
diff --git a/include/dt-bindings/power/r8a77995-sysc.h b/include/dt-bindings/power/r8a77995-sysc.h
new file mode 100644
index 000000000000..09d0ed575b73
--- /dev/null
+++ b/include/dt-bindings/power/r8a77995-sysc.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2017 Glider bvba
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ */
+#ifndef __DT_BINDINGS_POWER_R8A77995_SYSC_H__
+#define __DT_BINDINGS_POWER_R8A77995_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 R8A77995_PD_CA53_CPU0 5
+#define R8A77995_PD_CA53_SCU 21
+
+/* Always-on power area */
+#define R8A77995_PD_ALWAYS_ON 32
+
+#endif /* __DT_BINDINGS_POWER_R8A77995_SYSC_H__ */