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authorSergei Shtylyov <sergei.shtylyov@cogentembedded.com>2018-02-16 21:28:02 +0300
committerSimon Horman <horms+renesas@verge.net.au>2018-02-19 20:50:44 +0100
commit41d6d8bd8ae94ca9ee53720cd530168aca557db7 (patch)
tree03cac34457bd056b515aab7c8e69d5abb3290259 /drivers/soc/renesas
parent7755b40d07a8dba723aadcb9a1d2828331f3f1b3 (diff)
downloadlinux-41d6d8bd8ae94ca9ee53720cd530168aca557db7.tar.bz2
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>
Diffstat (limited to 'drivers/soc/renesas')
-rw-r--r--drivers/soc/renesas/Kconfig5
-rw-r--r--drivers/soc/renesas/Makefile1
-rw-r--r--drivers/soc/renesas/r8a77980-sysc.c52
-rw-r--r--drivers/soc/renesas/rcar-sysc.c3
-rw-r--r--drivers/soc/renesas/rcar-sysc.h1
5 files changed, 62 insertions, 0 deletions
diff --git a/drivers/soc/renesas/Kconfig b/drivers/soc/renesas/Kconfig
index 6efd7bef8577..6caa393e3a2d 100644
--- a/drivers/soc/renesas/Kconfig
+++ b/drivers/soc/renesas/Kconfig
@@ -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
diff --git a/drivers/soc/renesas/Makefile b/drivers/soc/renesas/Makefile
index 845d62a08ce1..d3b7bb3284c0 100644
--- a/drivers/soc/renesas/Makefile
+++ b/drivers/soc/renesas/Makefile
@@ -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
diff --git a/drivers/soc/renesas/r8a77980-sysc.c b/drivers/soc/renesas/r8a77980-sysc.c
new file mode 100644
index 000000000000..9265fb525ef3
--- /dev/null
+++ b/drivers/soc/renesas/r8a77980-sysc.c
@@ -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),
+};
diff --git a/drivers/soc/renesas/rcar-sysc.c b/drivers/soc/renesas/rcar-sysc.c
index 636872bc2416..72b0f4a9ad4e 100644
--- a/drivers/soc/renesas/rcar-sysc.c
+++ b/drivers/soc/renesas/rcar-sysc.c
@@ -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
diff --git a/drivers/soc/renesas/rcar-sysc.h b/drivers/soc/renesas/rcar-sysc.h
index 9d9daf9eb91b..974b18619c08 100644
--- a/drivers/soc/renesas/rcar-sysc.h
+++ b/drivers/soc/renesas/rcar-sysc.h
@@ -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;