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authorVivek Gautam <gautam.vivek@samsung.com>2014-05-22 07:49:13 +0900
committerKukjin Kim <kgene.kim@samsung.com>2014-05-22 07:49:13 +0900
commitdfbbdbf4405d73012f158ae39dc3dd66cebcf418 (patch)
treeab50a9379534443c6510fb9fe548db30548e2ac3
parent94b62c38f095fd7e69ebeafc5fbcd312602ff8e9 (diff)
ARM: dts: Add sysreg sytem controller node to exynos5250 and exynos5420
This patch adds sysreg-syscon node to exynos5250 and exynos5420 device tree, to access System Register's registers using syscon driver. Signed-off-by: Kamil Debski <k.debski@samsung.com> [gautam.vivek@samsung.com: Split this syreg-syscon dts entry] [gautam.vivek@samsung.com: added similar syscon entry for exynos5420] Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com> [vikas.sajjan@samsung.com: updated the binding document] Signed-off-by: Vikas Sajjan <vikas.sajjan@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
-rw-r--r--Documentation/devicetree/bindings/arm/samsung/sysreg.txt11
-rw-r--r--arch/arm/boot/dts/exynos5250.dtsi5
-rw-r--r--arch/arm/boot/dts/exynos5420.dtsi5
3 files changed, 19 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/arm/samsung/sysreg.txt b/Documentation/devicetree/bindings/arm/samsung/sysreg.txt
index 0ab3251a6ec2..4fced6e9d5e4 100644
--- a/Documentation/devicetree/bindings/arm/samsung/sysreg.txt
+++ b/Documentation/devicetree/bindings/arm/samsung/sysreg.txt
@@ -1,8 +1,10 @@
SAMSUNG S5P/Exynos SoC series System Registers (SYSREG)
Properties:
- - compatible : should contain "samsung,<chip name>-sysreg", "syscon";
- For Exynos4 SoC series it should be "samsung,exynos4-sysreg", "syscon";
+ - compatible : should contain two values. First value must be one from following list:
+ - "samsung,exynos4-sysreg" - for Exynos4 based SoCs,
+ - "samsung,exynos5-sysreg" - for Exynos5 based SoCs.
+ second value must be always "syscon".
- reg : offset and length of the register set.
Example:
@@ -10,3 +12,8 @@ Example:
compatible = "samsung,exynos4-sysreg", "syscon";
reg = <0x10010000 0x400>;
};
+
+ syscon@10050000 {
+ compatible = "samsung,exynos5-sysreg", "syscon";
+ reg = <0x10050000 0x5000>;
+ };
diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index 68a3e6f254d9..8e9b9a31d959 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -193,6 +193,11 @@
reg = <0x10040000 0x5000>;
};
+ sysreg_system_controller: syscon@10050000 {
+ compatible = "samsung,exynos5-sysreg", "syscon";
+ reg = <0x10050000 0x5000>;
+ };
+
watchdog@101D0000 {
compatible = "samsung,exynos5250-wdt";
reg = <0x101D0000 0x100>;
diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
index c0436b8563c3..1debb718ecef 100644
--- a/arch/arm/boot/dts/exynos5420.dtsi
+++ b/arch/arm/boot/dts/exynos5420.dtsi
@@ -701,6 +701,11 @@
reg = <0x10040000 0x5000>;
};
+ sysreg_system_controller: syscon@10050000 {
+ compatible = "samsung,exynos5-sysreg", "syscon";
+ reg = <0x10050000 0x5000>;
+ };
+
tmu_cpu0: tmu@10060000 {
compatible = "samsung,exynos5420-tmu";
reg = <0x10060000 0x100>;